VP1ExaminerViewer.cxx

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
 
 
//                                                            //
//  Implementation of class VP1ExaminerViewer                 //
//                                                            //
//  Author: Thomas H. Kittelmann (Thomas.Kittelmann@cern.ch)  //
//  Initial version: March 2008                               //
//                                                            //
//  Major updates:                                            //
//  Sep 2013, Riccardo-Maria BIANCHI rbianchi@cern.ch         //
//  Sep 2017, Riccardo-Maria BIANCHI rbianchi@cern.ch         //
//                                                            //
 
#include "VP1Base/VP1ExaminerViewer.h"
#include "VP1Base/VP1Controller.h"
#include "VP1Base/VP1Msg.h"
#include "VP1Base/VP1CameraHelper.h"
#include "VP1Base/VP1QtInventorUtils.h"
#include "VP1Base/VP1QtUtils.h"
#include "VP1Base/AnimationSequencer.h"
#include "VP1Base/VP1Settings.h"
#include "VP1Base/VP1CustomTourEditor.h"
#include "VP1Base/VP1CustomStereoEditor.h"
#include "VP1HEPVis/VP1HEPVisUtils.h"
#include "VP1HEPVis/actions/SoGL2PSAction.h"
 
#include <Inventor/nodes/SoSphere.h>
#include <Inventor/nodes/SoGroup.h>
#include <Inventor/nodes/SoPerspectiveCamera.h>
#include <Inventor/nodes/SoSeparator.h>
#include <Inventor/Qt/widgets/SoQtPopupMenu.h>
#include <Inventor/events/SoKeyboardEvent.h>
#include <Inventor/events/SoMouseButtonEvent.h>
#include <Inventor/nodes/SoEnvironment.h>
#include <Inventor/actions/SoSearchAction.h>
#include <Inventor/nodekits/SoBaseKit.h>
#include <Inventor/SoSceneManager.h>
 
#include <QBuffer>
#include <QByteArray>
#include <QMenu>
#include <QCursor>
#include <QColorDialog>
#include <QFileDialog>
#include <QInputDialog>
#include <QPushButton>
#include <QGLFormat>
 
// Has to be after qt headers because qt uses its own glext.
#include "VP1HEPVis/gl2ps.h"
 
#include <map>
#include <iostream>
#include <typeinfo>
 
//TODO: Statustips.
//TODO: windows menu button should launch the menu (in correct mode?).
//TODO: detectorviewbuttons (+others) in menu so hidden control modes has access to everything!
//TODO: preserve spinning when going to next event (or when tour returns).
 
//____________________________________________________________________
class VP1ExaminerViewer::Imp {
 
public:
        Imp (const Imp&) = delete;
        Imp& operator= (const Imp&) = delete;
 
    Imp(VP1ExaminerViewer*tc,bool dvb)
: theclass(tc),
  takeTourButton(0),
  rotationMode(ZROT),
  actualSceneGraph(0),
  environmentNode(0),
  customtoureditor(0),
  customstereoeditor(0),
  popup_menu(0),
  popup_headLightAction(0),
  popup_antiAliasAction(0),
  popup_bgdColAction(0),
  popup_ambientLightAction(0),
  popup_focalLengthAction(0),
  popup_dumpSceneAction(0),
  popup_dumpSceneVRMLAction(0),
  popup_toSVGAction(0),
  popup_toEPSAction(0),
  popup_resetCameraAction(0),
  popup_hidedecorationsaction(0),
  popup_tourReturnToStartAction(0),
  popup_tourExecute(0),
  popup_tourStartEachEvent(0),
  popup_tourSpeedVerySlow(0),
  popup_tourSpeedSlow(0),
  popup_tourSpeedMedium(0),
  popup_tourSpeedFast(0),
  popup_tourSpeedVeryFast(0),
  popup_tourPartsVertex(0),
  popup_tourPartsInDet(0),
  popup_tourPartsCalo(0),
  popup_tourPartsMuon(0),
  popup_tourLoopOnce(0),
  popup_tourLoopTwice(0),
  popup_tourLoopThrice(0),
  popup_tourLoopForever(0),
  viewmenu_storecurrentview(0),
  viewmenu_deleteview(0),
  viewmenu_restoreview(0),
  viewmenu_zoomtoview(0),
  customtour_launcheditor(0),
  customtour_execute(0),
  stereo_launcheditor(0),
  action_movieenabled(0),
  action_moviewidth(0),
  action_movieheight(0),
  action_moviefps(0),
  action_movieoutdir(0),
  action_moviefadetocurrentview(0),
  stereo_offset_value(0.0),
  popup_focal_value_action(0),
  detectorViewButtons(dvb),
  animationSequencer(tc),
  tourLoopsForever(false),
  tourLoopsForeverSkipFirstFrame(false),
  signalcatcher(new VP1ExaminerViewer_SignalCatcher),
  isantialias(false),
  button_interact(0),
  button_examine(0),
  button_home(0),
  button_sethome(0),
  button_viewall(0),
  button_seek(0),
  button_togglecamera(0),
  sphere(0),
  decorationMenuRemoved(false),
  ambientLightPercentage(20),
  movieFrameFileNamePrefix("vp1_frame"),
  resetCamera_isPerspective(false)
{
        VP1Msg::messageVerbose("VP1ExaminerViewer::Imp() constructor");
        signalcatcher->m_d = this; init();
 
        // TEST
        // With this command, Coin does not clear the pixel-buffer,
        // so the previous (or background) image
        // is not removed before the new rendering.
        // theclass->setClearBeforeRender(FALSE, TRUE);
        // theclass->setClearBeforeRender(FALSE, FALSE);
        // theclass->setClearBeforeOverlayRender(FALSE);
}
 
    ~Imp()
    {
        VP1Msg::messageVerbose("VP1ExaminerViewer::~Imp() destructor");
        if (actualSceneGraph)
            actualSceneGraph->unref();
        if (environmentNode)
            environmentNode->unref();
        if (customtoureditor)
            customtoureditor->deleteLater();
        if (customstereoeditor)
            customstereoeditor->deleteLater();
        delete popup_menu;
        delete signalcatcher;
        if (sphere)
            sphere->unref();
    }
 
 
 
      enum REGION { VERTEX, INDET, CALO, MUON, FORWARDREGION };
      QString toString(const REGION& r) {
        switch (r) {
        case VERTEX: return "VERTEX";
        case INDET: return "INDET";
        case FORWARDREGION: return "FORWARDREGION";
        case CALO: return "CALO";
        case MUON: return "MUON";
        default: return "Unknown(ERROR)";
        }
      }
 
    VP1ExaminerViewer * theclass;
 
    enum VIEW { ASIDE, CSIDE, BARREL };
    std::map<QPushButton*,std::pair<REGION,VIEW> > detectorbuttons;
    QPushButton *takeTourButton; // * JFB
 
    enum ROTATIONMODE { XROT, ZROT };
    ROTATIONMODE rotationMode; 
 
 
    QPushButton * addNewButton(QString text,QString tooltip,REGION region ,VIEW view,QWidget * tempparent, QString iconname="");
    void init();
    void detectorZoomButtonClicked(std::pair<REGION,VIEW>);
    void takeTourButtonClicked();          // * JFB
    void grabFocus();
 
 
    SoGroup * actualSceneGraph;
    SoEnvironment * environmentNode;
 
 
 
 
    bool ensureMenuInit();
    void updatePopupMenuStates();
    QByteArray customtoureditorState;
    VP1CustomTourEditor * customtoureditor;
    VP1CustomStereoEditor * customstereoeditor;
    QMenu * popup_menu;
    QAction* popup_headLightAction;
    QAction* popup_antiAliasAction;
    QAction* popup_bgdColAction;
    QAction* popup_ambientLightAction;
    QAction* popup_focalLengthAction;
    QAction* popup_dumpSceneAction;
    QAction* popup_dumpSceneVRMLAction;
    QAction* popup_toSVGAction;
    QAction* popup_toEPSAction;
    QAction* popup_resetCameraAction;
    QAction* popup_hidedecorationsaction;
    QList<QAction*> popup_transptype_actions;
    QList<QAction*> popup_drawstyle_still_actions;
    QList<QAction*> popup_drawstyle_interactive_actions;
    QAction* popup_tourReturnToStartAction;
    QAction* popup_tourExecute;
    QAction* popup_tourStartEachEvent;
    QAction* popup_tourSpeedVerySlow;
    QAction* popup_tourSpeedSlow;
    QAction* popup_tourSpeedMedium;
    QAction* popup_tourSpeedFast;
    QAction* popup_tourSpeedVeryFast;
    QAction* popup_tourPartsVertex;
    QAction* popup_tourPartsInDet;
    QAction* popup_tourPartsCalo;
    QAction* popup_tourPartsMuon;
    QAction* popup_tourLoopOnce;
    QAction* popup_tourLoopTwice;
    QAction* popup_tourLoopThrice;
    QAction* popup_tourLoopForever;
    QMenu * viewmenu_storecurrentview;
    QMenu * viewmenu_deleteview;
    QMenu * viewmenu_restoreview;
    QMenu * viewmenu_zoomtoview;
    QAction * customtour_launcheditor;
    QAction * customtour_execute;
    QAction* stereo_launcheditor;
    QAction * action_movieenabled;
    QAction * action_moviewidth;
    QAction * action_movieheight;
    QAction * action_moviefps;
    QAction * action_movieoutdir;
    QAction * action_moviefadetocurrentview;
    // stereo view
    float stereo_offset_value;
    QAction* popup_focal_value_action;
//  QList<QAction*> popup_stereo_offset_actions;
//  QList<QAction*> popup_stereo_type_actions;
//  QList<QAction*> popup_stereo_anaglyph_actions;
//  QList<QAction*> popup_stereo_anaglyph_actions_camera;
//  QMenu * stereo_set_anaglyph_menu;
//  QMenu * stereo_set_stereo_camera_view_menu;
//  QAction* popup_stereo_offset_value_action;
//  QAction* popup_stereo_offset_value_action_camera;
//  QAction* popup_stereo_balance_value_action_camera;
 
 
    void updateEnvironmentNode() {
        if (environmentNode) {
            int al = theclass->ambientLight();
            environmentNode->ambientIntensity = (al==0?0.0f:(al==100?1.0f:al/100.0f));
        }
    }
 
 
    bool detectorViewButtons;
    AnimationSequencer animationSequencer;
    bool tourLoopsForever;
    bool tourLoopsForeverSkipFirstFrame;
    void applyMovieSettingsToAnimationSequencer();
    bool updateAnimationSequence();//Returns false if nothing is to be animated (i.e. no regions selected)
    VP1ExaminerViewer_SignalCatcher * signalcatcher;
    bool isantialias;
    QPushButton * button_interact;
    QPushButton * button_examine;
    QPushButton * button_home;
    QPushButton * button_sethome;
    QPushButton * button_viewall;
    QPushButton * button_seek;
    QPushButton * button_togglecamera;
    SoSphere * sphere;
    SoSphere * getRegionSphere(REGION,bool perspective);
 
    bool decorationMenuRemoved;
 
    float rotZWheelMotion(float value, float oldvalue);
    float rotXWheelMotion(float value, float oldvalue);
    void rotateCamera(SoCamera * cam,const SbVec3f & aroundaxis,const float delta);
    static int drawStyleToInt(SoQtViewer::DrawStyle);
    static SoQtViewer::DrawStyle intToDrawStyle(int);
 
 
    void updateAmbientLightText() {
        if (popup_ambientLightAction)
            popup_ambientLightAction->setText("Change ambient &light [current "+QString::number(ambientLightPercentage)+"%]");
    }
    int ambientLightPercentage;
 
 
    QString movieFrameFileNamePrefix;
 
    void updateMovieMenuVisuals();
 
    void aboutToShowMenu(QMenu *);
 
    QString lastDumpFile;
    QString lastSVGFile;
    QString lastEPSFile;
    bool resetCamera_isPerspective;
    QByteArray resetCamera_state;
 
    class StoredView {
    public:
        StoredView(const QByteArray& camState, bool camPerspective, QPixmap snapShot, const QString& name)
    : m_camState(camState), m_camPerspective(camPerspective), m_snapShot(snapShot), m_name(name) {}
        StoredView(QByteArray persistifiedState);
        const QString& name() const { return m_name; }
        const QByteArray& camState() const { return m_camState; }
        bool camStateIsPerspective() const { return m_camPerspective; }
        QPixmap snapShot() const { return m_snapShot; }
        QByteArray persistifiedState() const;
        QIcon icon() const {
            if (m_cachedIcon.isNull())
                m_cachedIcon = QIcon(m_snapShot);
            return m_cachedIcon;
        }
        bool isValid() { return !m_name.isEmpty()&&!m_camState.isEmpty()&&!m_snapShot.isNull(); }
 
 
    private:
        QByteArray m_camState;
        bool m_camPerspective;
        QPixmap m_snapShot;//FIXME: Update this whenever we have just "restored view"
        QString m_name;
        mutable QIcon m_cachedIcon;
    };
 
    bool fitsCurrentCamType(const StoredView& sv) { return sv.camStateIsPerspective()==theclass->currentCamIsPerspective(); }
 
    QList<StoredView> storedViews;
    void storedViewsChanged() {
        if (viewmenu_deleteview)
            viewmenu_deleteview->setEnabled(!storedViews.isEmpty());
        if (viewmenu_restoreview)
            viewmenu_restoreview->setEnabled(!storedViews.isEmpty());
        if (viewmenu_zoomtoview)
            viewmenu_zoomtoview->setEnabled(!storedViews.isEmpty());
    }
    QList<QAction*> storeViewActions;
    QList<QAction*> restoreViewActions;
    QList<QAction*> deleteViewActions;
    QList<QAction*> zoomToViewActions;
    QString firstAvailableStoredViewName() {
        const bool perspective(theclass->currentCamIsPerspective());
        int i(1);
        while (true) {
            QString n = QString(perspective?"Perspective":"Orthographic")+"View"+QString::number(i++);
            bool ok(true);
            for(const StoredView & sv : storedViews) {
                if (sv.name()==n) {
                    ok = false;
                    break;
                }
            }
            if (ok)
                return n;
        }
    }
 
    //    For persistification, etc. of draw styles (possibly move to util class)    //
    static QList<SoQtViewer::DrawStyle> getAllViewerDrawStyles();
    static int viewerDrawStyleToInt( SoQtViewer::DrawStyle );//Returns -1 if unknown.
    static SoQtViewer::DrawStyle intToViewerDrawStyle( int );//Return VIEW_AS_IS if unknown;
    static QString viewerDrawStyle2PrettyString( SoQtViewer::DrawStyle );//Returns "" if unknown.
    // Stereo view
        static QList<SoQtViewer::StereoType> getAllStereoViewTypes();
        static int viewerStereoTypeToInt( SoQtViewer::StereoType );//Returns -1 if unknown.
        static SoQtViewer::StereoType intToViewerStereoType( int );//Return STEREO_NONE if unknown;
        static QString viewerStereoType2PrettyString( SoQtViewer::StereoType );//Returns "" if unknown.
 
 
 
};
 
 
 
 
//____________________________________________________________________
QByteArray VP1ExaminerViewer::Imp::StoredView::persistifiedState() const
{
    VP1Msg::messageVerbose("persistifiedState()");
 
    // ===> Setup stream writing to a byteArray:
    QByteArray byteArray;
    QBuffer buffer(&byteArray);
    buffer.open(QIODevice::WriteOnly);
    QDataStream out(&buffer);
 
    // ===> Write Data:
    out << (qint32)0;//version
    out << m_name;
    out << m_camState;
    out << m_camPerspective;
    out << m_snapShot;
 
    // ===> Finish up:
    buffer.close();
    return byteArray;
}
 
//____________________________________________________________________
VP1ExaminerViewer::Imp::StoredView::StoredView(QByteArray persistifiedState)
: m_camPerspective(true)
{
    VP1Msg::messageVerbose("StoredView()");
 
    // ===> Setup stream for getting the contents of the byteArray:
    QBuffer buffer(&persistifiedState);
    buffer.open(QIODevice::ReadOnly);
    QDataStream state(&buffer);
    // ===> Check version and pass on state info to base class:
    qint32 version;
    state >> version;
    if (version!=0) {
        VP1Msg::messageDebug("VP1ExaminerViewer Warning: "
                "Attempt to depersistify stored view ignored due to bad version!");
        return;
    }
    // ===> Decode the state info:
    state >> m_name;
    state >> m_camState;
    state >> m_camPerspective;
    state >> m_snapShot;
    if (!buffer.atEnd())
        m_name = "";//To make isValid() return false;
    // ===> Finish up:
    buffer.close();
}
 
 
 
//____________________________________________________________________
//  N.B.
//  this code has been taken and adapted from CMSSW:
//  http://cmssw.cvs.cern.ch/cgi-bin/cmssw.cgi/CMSSW/ISpy/Client/src/ISpy3DView.cc?view=co
//
void debugCameraClipPlanes(void * data, const SbVec2f & nearfar)
{
    SoCamera *camera = ((VP1ExaminerViewer *) data)->getCamera();
    SoNode *scenegraph = ((VP1ExaminerViewer *) data)->getSceneGraph();
 
    SbVec3f pos = camera->position.getValue();
 
    SoSearchAction action;
    SbBool oldsearch = SoBaseKit::isSearchingChildren();
    SoBaseKit::setSearchingChildren(TRUE);
 
    action.setSearchingAll(true);
    action.setType(SoCamera::getClassTypeId());
    action.setInterest(SoSearchAction::ALL);
    action.apply(scenegraph);
 
    SoBaseKit::setSearchingChildren(oldsearch);
 
    SoPathList &cameras = action.getPaths();
 
    for (int i = 0, e = cameras.getLength(); i != e; ++i) {
                auto* tail = cameras[i]->getTail();
        std::cerr << "Camera #" << i << " = " << (void *) tail << "(" << typeid(*tail).name() << ")\n";
        }
 
    std::cerr << "Calculated clip-planes. Near: " << nearfar[0] << ". Far: " << nearfar[1] << "\n"
            << "Current camera clip-planes. Near: " << camera->nearDistance.getValue() << ", Far: " << camera->farDistance.getValue() << "\n"
            << "Camera ptr: " << (void *) camera << "\n"
            << "Camera name: " << camera->getName() << "\n"
            << "Camera type: " << typeid(*camera).name() << "\n"
            << "Camera position:(" << pos[0] << ", " << pos[1] << ", " << pos[2] << ")\n"
            << "Number of cameras in the scene: " << cameras.getLength() << "\n"
            << "Focal distance: " << camera->focalDistance.getValue() << std::endl;
}
 
//____________________________________________________________________
//  N.B.
//  this code has been taken and adapted from CMSSW:
//  http://cmssw.cvs.cern.ch/cgi-bin/cmssw.cgi/CMSSW/ISpy/Client/src/ISpy3DView.cc?view=co
//
SbVec2f fixedDistanceClipPlanesCB(void * data, const SbVec2f & nearfar)
{
    SoCamera *camera = ((VP1ExaminerViewer *) data)->getCamera();
    if (0) debugCameraClipPlanes(data, nearfar);
 
    if (camera->nearDistance.getValue() != nearfar[0])
        camera->nearDistance = nearfar[0];
    if (camera->farDistance.getValue() != nearfar[1])
        camera->farDistance = nearfar[1];
 
    return nearfar;
}
 
//____________________________________________________________________
VP1ExaminerViewer::VP1ExaminerViewer(QWidget * parent,
        bool detectorViewButtons,
        const char * name,
        SbBool embed,
        SoQtFullViewer::BuildFlag flag,
        SoQtViewer::Type type)
: SoQtExaminerViewer(parent,(name?name:"VP1ExaminerViewer"),embed,flag,type,false/*delay createViewerButtons call*/),
  m_d(new Imp(this,detectorViewButtons))
{
    VP1Msg::messageDebug("VP1ExaminerViewer::VP1ExaminerViewer()");
    // Explicitly trigger the construction of viewer decorations.
    QWidget * widget = buildWidget(getParentWidget());
    if (rightWheelLabel)
        rightWheelLabel->setVisible(false);//it will be shown again by the first setCameraType call
    setBaseWidget(widget);
    setLeftWheelString("Rotz");
    m_d->rotationMode=Imp::ZROT;
//  setRightWheelString("Zoom");
    setRightWheelString("Zoom test");
    leftWheel->setMinimumHeight(20);
    rightWheel->setMinimumHeight(20);
 
 
    /* set the clipping strategy and fix the clipping
     *
     *   N.B.
     *   this code has been taken and adapted from CMSSW:
     *   http://cmssw.cvs.cern.ch/cgi-bin/cmssw.cgi/CMSSW/ISpy/Client/src/ISpy3DView.cc?view=co
     */
    setAutoClippingStrategy(CONSTANT_NEAR_PLANE, 0.9, fixedDistanceClipPlanesCB, this);
 
  // Let's build this now, otherwise there will be problems with making the connections later:
    m_d->customtoureditor = new VP1CustomTourEditor(this);
    QObject::connect(&(m_d->animationSequencer),SIGNAL(clipVolumePercentOfATLAS(double)),m_d->customtoureditor,SLOT(setClipVolumePercentOfATLAS(double)));
  VP1Controller::setCustomTourEditor(m_d->customtoureditor);
    m_d->customtoureditor->disableObjectWhenTourNotAvailable(m_d->customtour_execute);
    if (m_d->customtoureditorState!=QByteArray()) {
        m_d->customtoureditor->setState(m_d->customtoureditorState);
        m_d->customtoureditorState = QByteArray();
    }
 
    // test Ric
    VP1Msg::messageVerbose("is stereo: " + QString(isStereoViewing()) + " - offset: " + QString::number(getStereoOffsetSlot()) + " - type: " + QString::number(getStereoType()) );
}
 
 
// stereographic view methods
void VP1ExaminerViewer::setStereoOffsetSlot(float offset) {
    VP1Msg::messageDebug("VP1ExaminerViewer::setStereoOffsetSlot() - offset: " + QString::number(offset));
    SoQtExaminerViewer::setStereoOffset(offset);
}
float VP1ExaminerViewer::getStereoOffsetSlot() {
    return SoQtExaminerViewer::getStereoOffset();
}
SbBool VP1ExaminerViewer::setStereoTypeSlot(SoQtViewer::StereoType type) {
    VP1Msg::messageDebug("VP1ExaminerViewer::setStereoTypeSlot() - type: " + QString::number(type));
    return SoQtExaminerViewer::setStereoType(type);
}
SoQtViewer::StereoType VP1ExaminerViewer::getStereoTypeSlot(void) const {
    return SoQtExaminerViewer::getStereoType();
}
void VP1ExaminerViewer::setAnaglyphStereoColorMasksSlot(const SbBool left[3], const SbBool right[3]) {
    SoQtExaminerViewer::setAnaglyphStereoColorMasks(left, right);
}
void VP1ExaminerViewer::getAnaglyphStereoColorMasksSlot(SbBool left[3], SbBool right[3]) {
    SoQtExaminerViewer::getAnaglyphStereoColorMasks(left, right);
}
 
 
 
 
//____________________________________________________________________
int VP1ExaminerViewer::Imp::drawStyleToInt(SoQtViewer::DrawStyle ds) {
    switch (ds) {
    case VIEW_AS_IS: return 0;
    case VIEW_HIDDEN_LINE: return 1;
    case VIEW_NO_TEXTURE: return 2;
    case VIEW_LOW_COMPLEXITY: return 3;
    case VIEW_LINE: return 4;
    case VIEW_POINT: return 5;
    case VIEW_BBOX: return 6;
    case VIEW_LOW_RES_LINE: return 7;
    case VIEW_LOW_RES_POINT: return 8;
    case VIEW_SAME_AS_STILL: return 9;
    case VIEW_WIREFRAME_OVERLAY     : return 10;
    default:
        VP1Msg::messageDebug("VP1ExaminerViewer::Imp::drawStyleToInt ERROR: Unknown draw style");
        return 0;
    }
}
 
//____________________________________________________________________
SoQtViewer::DrawStyle VP1ExaminerViewer::Imp::intToDrawStyle(int i) {
    switch (i) {
    case 0: return SoQtViewer::VIEW_AS_IS;
    case 1: return SoQtViewer::VIEW_HIDDEN_LINE;
    case 2: return SoQtViewer::VIEW_NO_TEXTURE;
    case 3: return SoQtViewer::VIEW_LOW_COMPLEXITY;
    case 4: return SoQtViewer::VIEW_LINE;
    case 5: return SoQtViewer::VIEW_POINT;
    case 6: return SoQtViewer::VIEW_BBOX;
    case 7: return SoQtViewer::VIEW_LOW_RES_LINE;
    case 8: return SoQtViewer::VIEW_LOW_RES_POINT;
    case 9: return SoQtViewer::VIEW_SAME_AS_STILL;
    case 10: return SoQtViewer::VIEW_WIREFRAME_OVERLAY;
    default:
        VP1Msg::messageDebug("VP1ExaminerViewer::Imp::intToDrawStyle ERROR: int out of range "+str(i));
        return SoQtViewer::VIEW_AS_IS;
    }
}
 
//____________________________________________________________________
QByteArray VP1ExaminerViewer::saveState()
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::saveState");
 
    // ===> Setup stream writing to a byteArray:
    QByteArray byteArray;
    QBuffer buffer(&byteArray);
    buffer.open(QIODevice::WriteOnly);
    QDataStream out(&buffer);
 
    // ===> Write Data:
    //Version:
    out << (qint32)6; //version
 
    //Background color:
    QColor bgdcol(VP1QtInventorUtils::sbcol2qcol(getBackgroundColor()));
    out << bgdcol;
    VP1Msg::messageVerbose("saveState background color = "+str(bgdcol));
 
    //Render buffer:
    int ibuffer(0);
    if (getBufferingType()==BUFFER_SINGLE)
        ibuffer=1;
    else if (getBufferingType()==BUFFER_INTERACTIVE)
        ibuffer=2;
    out << ibuffer;
    VP1Msg::messageVerbose("saveState Render Buffer = ("+str(ibuffer)+")");
 
    //Camera type and parameters:
    bool isperspective(currentCamIsPerspective());
    out << isperspective;
    out << currentCameraState();
    VP1Msg::messageVerbose("saveState camera type = "+str(isperspective?"Perspective":"Orthographic"));
 
    //Misc:
    const bool isdeco(isDecoration()), isheadlight(isHeadlight()),isviewing(isViewing());
    out << isdeco;
    out << isheadlight;
    out << isviewing;
    out << m_d->decorationMenuRemoved;
    VP1Msg::messageVerbose("saveState (deco,headlight,viewing,nodecomenu) = ("
            +str(isdeco)+", "+str(isheadlight)+", "+str(isviewing)+", "+str(m_d->decorationMenuRemoved)+")");
 
    //Antialiasing state:
    out << m_d->isantialias;//version 6+
    VP1Msg::messageVerbose("saveState (isantialis)) = ("+str(m_d->isantialias)+")");
    //OLD (up to version 5):
    //   SbBool smoothing; int numPasses;
    //   getAntialiasing(smoothing, numPasses);
    //   out << smoothing;
    //   out << numPasses;
    //   VP1Msg::messageVerbose("saveState (smoothing,numPasses)) = ("+str(smoothing)+", "+str(numPasses)+")");
 
    //Draw style:
    int idrawstyle_still = Imp::drawStyleToInt(getDrawStyle(STILL));
    int idrawstyle_interactive = Imp::drawStyleToInt(getDrawStyle(INTERACTIVE));
    out << idrawstyle_still;
    out << idrawstyle_interactive;
    VP1Msg::messageVerbose("saveState DrawStyle (still,interactive)) = ("+str(idrawstyle_still)+", "+str(idrawstyle_interactive)+")");
 
    //Transparency type:
    int itransp = VP1QtInventorUtils::transparencyTypeToInt(getTransparencyType());
    out << itransp;
    VP1Msg::messageVerbose("saveState Transparency Type = ("+str(itransp)+")");
 
    // Added for version 1 //
 
    m_d->ensureMenuInit();
    out << m_d->popup_tourReturnToStartAction->isChecked();
    out << m_d->popup_tourStartEachEvent->isChecked();
 
    qint32 ispeed(0);//medium
    if (m_d->popup_tourSpeedVerySlow->isChecked()) ispeed = -2;
    else if (m_d->popup_tourSpeedSlow->isChecked()) ispeed = -1;
    else if (m_d->popup_tourSpeedFast->isChecked()) ispeed = 1;
    else if (m_d->popup_tourSpeedVeryFast->isChecked()) ispeed = 2;
    out << ispeed;
 
    out << m_d->popup_tourPartsVertex->isChecked();
    out << m_d->popup_tourPartsInDet->isChecked();
    out << m_d->popup_tourPartsCalo->isChecked();
    out << m_d->popup_tourPartsMuon->isChecked();
 
    qint32 iloop(1);
    if (m_d->popup_tourLoopTwice->isChecked()) iloop = 2;
    else if (m_d->popup_tourLoopThrice->isChecked()) iloop = 3;
    else if (m_d->popup_tourLoopForever->isChecked()) iloop = 999;
    out << iloop;
 
    // Added for version 2 //
    out << m_d->resetCamera_isPerspective;
    out << m_d->resetCamera_state;
 
    // Added for version 3 //
 
    QList<QByteArray> persistifiedViews;
    for(const Imp::StoredView & sv : m_d->storedViews){
      persistifiedViews << sv.persistifiedState();
    }
    out << persistifiedViews;
 
    // Added for version 4 //
 
    out << m_d->ambientLightPercentage;
 
    // Added for version 5 //
 
    out << (m_d->customtoureditor ? m_d->customtoureditor->state() : QByteArray());
 
    // ===> Finish up:
    buffer.close();
    return byteArray;
 
}
 
 
//____________________________________________________________________
void VP1ExaminerViewer::restoreFromState(QByteArray ba_state)
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::restoreFromState");
 
    // ===> Setup stream for getting the contents of the byteArray:
    QBuffer buffer(&ba_state);
    buffer.open(QIODevice::ReadOnly);
    QDataStream state(&buffer);
    // ===> Check version and pass on state info to base class:
    qint32 version;
    state >> version;
    if (version<0||version>6) {
        VP1Msg::messageDebug("VP1ExaminerViewer Warning: Input state data is in wrong format - ignoring!");
        return;
    }
    // ===> Decode the state info:
 
    //Background color:
    QColor bgdcol;
    state >> bgdcol;
    if (bgdcol.isValid())
        setBackgroundColor(VP1QtInventorUtils::qcol2sbcol(bgdcol));
    VP1Msg::messageVerbose("restoreState background color = "+str(bgdcol));
 
    //Render buffer:
    int ibuffer;
    state >> ibuffer;
    if (ibuffer==1) setBufferingType(BUFFER_SINGLE);
    else if (ibuffer==2) setBufferingType(BUFFER_INTERACTIVE);
    else setBufferingType(BUFFER_DOUBLE);
    VP1Msg::messageVerbose("restoreState Render Buffer = ("+str(ibuffer)+")");
 
    //camtype and camera parameters:
    bool isperspective;
    state >> isperspective;
    if (isperspective != currentCamIsPerspective())
        toggleCameraType();
    QByteArray ba_cam;
    state>>ba_cam;
    if (getCamera()&&ba_cam!=QByteArray())
        VP1QtInventorUtils::deserializeSoCameraParameters(ba_cam,*(getCamera()));//Fixme: Check return value?
    VP1Msg::messageVerbose("restoreState camera type = "+str(isperspective?"Perspective":"Orthographic"));
 
    //misc:
    bool isdeco, isheadlight, isviewing, decoremoved;
    state >> isdeco; if (isdeco!=isDecoration()) setDecoration(isdeco);
    state >> isheadlight; if (isheadlight!=isHeadlight()) setHeadlight(isheadlight);
    state >> isviewing; if (isviewing!=isViewing()) setViewing(isviewing);
    state >> decoremoved; if (decoremoved) removeDecorationMenuOption();
    VP1Msg::messageVerbose("saveState (deco,headlight,viewing,nodecomenu) = ("
            +str(isdeco)+", "+str(isheadlight)+", "+str(isviewing)+", "+str(decoremoved)+")");
 
    //Antialiasing state:
    if (version<=5) {
        SbBool smoothing; int numPasses;
        state >> smoothing;
        state >> numPasses;
        m_d->isantialias=smoothing;
    }
    if (version>=6) {
        state >> m_d->isantialias;
    }
    setAntiAlias(m_d->isantialias);
    VP1Msg::messageVerbose("restoreState (isantialias)) = ("+str(m_d->isantialias)+")");
    //   getAntialiasing(current_smoothing, current_numPasses);
    //   state >> smoothing;
    //   state >> numPasses;
    //   if (numPasses<9999&&(current_smoothing!=smoothing||current_numPasses!=numPasses))
    //     setAntialiasing(smoothing,numPasses);
    //   VP1Msg::messageVerbose("restoreState (smoothing,numPasses)) = ("+str(smoothing)+", "+str(numPasses)+")");
 
    //Draw style:
    int idrawstyle_still, idrawstyle_interactive;
    state >> idrawstyle_still;
    state >> idrawstyle_interactive;
    setDrawStyle(STILL,Imp::intToDrawStyle(idrawstyle_still));
    setDrawStyle(INTERACTIVE,Imp::intToDrawStyle(idrawstyle_interactive));
    VP1Msg::messageVerbose("restoreState DrawStyle (still,interactive)) = ("+str(idrawstyle_still)+", "+str(idrawstyle_interactive)+")");
 
    //Transparency type:
    int itransp;
    state >> itransp;
    setTransparencyType(VP1QtInventorUtils::intToTransparencyType(itransp));
    VP1Msg::messageVerbose("restoreState Transparency Type = ("+str(itransp)+")");
 
    if (version>=1) {
 
        m_d->ensureMenuInit();
        bool b;
        state >> b; m_d->popup_tourReturnToStartAction->setChecked(b);
        state >> b; m_d->popup_tourStartEachEvent->setChecked(b);
 
        qint32 ispeed;
        state >> ispeed;
        if (ispeed==-2) m_d->popup_tourSpeedVerySlow->setChecked(true);
        else if (ispeed==-1) m_d->popup_tourSpeedSlow->setChecked(true);
        else if (ispeed==1) m_d->popup_tourSpeedFast->setChecked(true);
        else if (ispeed==2) m_d->popup_tourSpeedVeryFast->setChecked(true);
 
        state >> b; m_d->popup_tourPartsVertex->setChecked(b);
        state >> b; m_d->popup_tourPartsInDet->setChecked(b);
        state >> b; m_d->popup_tourPartsCalo->setChecked(b);
        state >> b; m_d->popup_tourPartsMuon->setChecked(b);
 
        qint32 iloop;
        state >> iloop;
        if (iloop==2) m_d->popup_tourLoopTwice->setChecked(true);
        else if (iloop==3) m_d->popup_tourLoopThrice->setChecked(true);
        else if (iloop==999) m_d->popup_tourLoopForever->setChecked(true);
 
    }
 
    if (version>=2) {
        state >> m_d->resetCamera_isPerspective;
        state >> m_d->resetCamera_state;
        if (m_d->popup_resetCameraAction) {
            bool v(m_d->resetCamera_state!=QByteArray());
            if (m_d->popup_resetCameraAction->isVisible()!=v)
                m_d->popup_resetCameraAction->setVisible(v);
        }
    }
    if (version>=3) {
        m_d->storedViews.clear();
        QList<QByteArray> persistifiedViews;
        state >> persistifiedViews;
        for(const QByteArray& ba_pv : persistifiedViews) {
            Imp::StoredView sv(ba_pv);
            if (sv.isValid())
                m_d->storedViews << sv;
        }
        m_d->storedViewsChanged();
    }
 
    if (version>=4)
        state >> m_d->ambientLightPercentage;
 
    if (version>=5) {
        QByteArray ba;
        state >> ba;
        if (ba!=QByteArray()) {
            if (!m_d->customtoureditor)
                m_d->customtoureditorState = std::move(ba);
            else
                m_d->customtoureditor->setState(ba);
        }
    }
 
    m_d->updateEnvironmentNode();
    m_d->updateAmbientLightText();
 
    // ===> Finish up:
            buffer.close();
}
 
 
//____________________________________________________________________
VP1ExaminerViewer::~VP1ExaminerViewer()
{
#if SOQT_MAJOR_VERSION <= 1 && SOQT_MINOR_VERSION <= 4 && SOQT_MICRO_VERSION <= 1
    //Fix bug in SoQt, in which the menu does not get deleted (reported and fixed upstream after SoQt 1.4.1)
    delete prefmenu;
#endif
    delete m_d;
    SoQtExaminerViewer::setSceneGraph(0);
}
 
//____________________________________________________________________
void VP1ExaminerViewer::createViewerButtons(QWidget * parent, SbPList * buttonlist)
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::createViewerButtons");
 
    SoQtExaminerViewer::createViewerButtons(parent,buttonlist);
    //buttonlist holds void pointers to pushbuttons
 
    if (buttonlist->getLength()==7) {
        //Get pointers:
        m_d->button_interact = static_cast<QPushButton*>(buttonlist->get(0));
        m_d->button_examine = static_cast<QPushButton*>(buttonlist->get(1));
        m_d->button_home = static_cast<QPushButton*>(buttonlist->get(2));
        m_d->button_sethome = static_cast<QPushButton*>(buttonlist->get(3));
        m_d->button_viewall = static_cast<QPushButton*>(buttonlist->get(4));
        m_d->button_seek = static_cast<QPushButton*>(buttonlist->get(5));
        m_d->button_togglecamera = static_cast<QPushButton*>(buttonlist->get(6));
        //Other stuff? Connections? Change pixmaps?
        m_d->button_interact->setToolTip("Pick mode (ESC/M toggles). Use this in order to select objects.");
        m_d->button_examine->setToolTip("Navigation mode (ESC/M toggles). Use to ROTATE (left click), ZOOM (wheel or SHIFT+CTRL+left click) or PAN (middle click or SHIFT+left click or CTRL+left click).");
        m_d->button_home->setToolTip("Change view to home view");
        m_d->button_sethome->setToolTip("Store current view as new home");
        m_d->button_viewall->setToolTip("View all objects currently displayed (V)");
        m_d->button_seek->setToolTip("Seek to point (S). Sets cameras rotation centre to the clicked point and zooms towards it.");
        m_d->button_togglecamera->setToolTip("Toggle (C) camera between perspective (P) and orthographic (O) mode.");
        //These are just confusing anyway:
        m_d->button_home->setVisible(false);
        m_d->button_sethome->setVisible(false);
    } else {
        VP1Msg::message("VP1ExaminerViewer::createViewerButtons ERROR: Did not get list of exactly 7 buttons from base.");
    }
}
 
//____________________________________________________________________
QPushButton * VP1ExaminerViewer::Imp::addNewButton(QString text,QString tooltip,REGION region ,VIEW view,QWidget * tempparent, QString iconname)
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::Imp::addNewButton()");
 
    QPushButton * button = new QPushButton(tempparent);
    if (iconname.isEmpty()) {
        button->setText(text);
    } else {
        button->setIcon( QIcon(iconname) );
    }
    button->setToolTip(tooltip);
    detectorbuttons[button] = std::make_pair(region,view);
    button->setFocusPolicy(Qt::NoFocus);
    //  button->setIconSize(QSize(24, 24));
    //  button->setFixedSize(30, );
    QObject::connect(button,SIGNAL(clicked()),signalcatcher,SLOT(catchSignal()));
    theclass->addAppPushButton(button);
    return button;
}
 
//____________________________________________________________________
bool VP1ExaminerViewer::Imp::updateAnimationSequence()
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::Imp::updateAnimationSequence()");
    animationSequencer.sequence().clearAllFrames();
    ensureMenuInit();
 
    //Speed:
    double steptime=3;//seconds (fixme. Also, fix number of loops... Also, calculate total time and display in speed menu...
    if (popup_tourSpeedVerySlow->isChecked())
        steptime *= 3;
    else if (popup_tourSpeedSlow->isChecked())
        steptime *= 1.5;
    else if (popup_tourSpeedFast->isChecked())
        steptime /= 1.5;
    else if (popup_tourSpeedVeryFast->isChecked())
        steptime /= 3;
 
    //cycles:
    tourLoopsForever = popup_tourLoopForever->isChecked();
    int nloops(1);//define number of loops
    if (popup_tourLoopTwice->isChecked())
        nloops = 2;
    else if (popup_tourLoopThrice->isChecked())
        nloops = 3;
 
    int nregions(0);
    tourLoopsForeverSkipFirstFrame = false;
    double firstfact(action_movieenabled->isChecked()?0.0:0.25);
    AnimationSequence::REGION firstRegion(AnimationSequence::MUON), latestRegion(AnimationSequence::MUON);
    bool first(true);
    for (int iloop = 0; iloop < nloops; ++iloop) {
        if (popup_tourPartsMuon->isChecked()) {
            AnimationSequence::REGION region=AnimationSequence::MUON;
            if (first||latestRegion!=region)
                animationSequencer.sequence().addFrame(region,  SbVec3f(sin(6*M_PI/6),  0,cos(6*M_PI/6)),  (first?firstfact:1.0)*steptime);
            animationSequencer.sequence().addFrame(region,  SbVec3f(sin(10*M_PI/6),  0,cos(10*M_PI/6)),  steptime);
            animationSequencer.sequence().addFrame(region,  SbVec3f(sin(2*M_PI/6),  0,cos(2*M_PI/6)),  steptime);
            animationSequencer.sequence().addFrame(region,  SbVec3f(sin(6*M_PI/6), 0,cos(6*M_PI/6)),  steptime);
            latestRegion=region;
            if (first)
                firstRegion = region;
            first=false;
            if (iloop==0)
                ++nregions;
        }
        if (popup_tourPartsCalo->isChecked()) {
            AnimationSequence::REGION region=AnimationSequence::CALO;
            if (first||latestRegion!=region)
                animationSequencer.sequence().addFrame(region,  SbVec3f(sin(6*M_PI/6),  0,cos(6*M_PI/6)),  (first?firstfact:1.0)*steptime);
            animationSequencer.sequence().addFrame(region,  SbVec3f(sin(10*M_PI/6),  0,cos(10*M_PI/6)),  steptime);
            animationSequencer.sequence().addFrame(region,  SbVec3f(sin(2*M_PI/6),  0,cos(2*M_PI/6)),  steptime);
            animationSequencer.sequence().addFrame(region,  SbVec3f(sin(6*M_PI/6), 0,cos(6*M_PI/6)),  steptime);
            latestRegion=region;
            if (first)
                firstRegion = region;
            first=false;
            if (iloop==0)
                ++nregions;
        }
        if (popup_tourPartsInDet->isChecked()) {
            AnimationSequence::REGION region=AnimationSequence::INDET;
            if (first||latestRegion!=region)
                animationSequencer.sequence().addFrame(region,  SbVec3f(sin(6*M_PI/6),  0,cos(6*M_PI/6)),  (first?firstfact:1.0)*steptime);
            animationSequencer.sequence().addFrame(region,  SbVec3f(sin(10*M_PI/6),  0,cos(10*M_PI/6)),  steptime);
            animationSequencer.sequence().addFrame(region,  SbVec3f(sin(2*M_PI/6),  0,cos(2*M_PI/6)),  steptime);
            animationSequencer.sequence().addFrame(region,  SbVec3f(sin(6*M_PI/6), 0,cos(6*M_PI/6)),  steptime);
            latestRegion=region;
            if (first)
                firstRegion = region;
            first=false;
            if (iloop==0)
                ++nregions;
        }
        if (popup_tourPartsVertex->isChecked()) {
            AnimationSequence::REGION region=AnimationSequence::VERTEX;
            if (first||latestRegion!=region)
                animationSequencer.sequence().addFrame(region,  SbVec3f(sin(6*M_PI/6),  0,cos(6*M_PI/6)),  (first?firstfact:1.0)*steptime);
            animationSequencer.sequence().addFrame(region,  SbVec3f(sin(10*M_PI/6),  0,cos(10*M_PI/6)),  steptime);
            animationSequencer.sequence().addFrame(region,  SbVec3f(sin(2*M_PI/6),  0,cos(2*M_PI/6)),  steptime);
            animationSequencer.sequence().addFrame(region,  SbVec3f(sin(6*M_PI/6), 0,cos(6*M_PI/6)),  steptime);
            latestRegion=region;
            if (first)
                firstRegion = region;
            first=false;
            if (iloop==0)
                ++nregions;
        }
        if (first)//Apparently nothing was enabled
                return false;
    }
    if (tourLoopsForever && nregions==1)
        tourLoopsForeverSkipFirstFrame = true;
 
    if (!tourLoopsForever&&latestRegion!=firstRegion)
        animationSequencer.sequence().addFrame(firstRegion,  SbVec3f(sin(6*M_PI/6),  0,cos(6*M_PI/6)),  steptime);
    if (firstfact>0.0&&!tourLoopsForever)
        animationSequencer.sequence().addFrame(theclass->currentCameraState(),firstfact*steptime);
 
    return true;
}
 
 
//____________________________________________________________________
void VP1ExaminerViewer::Imp::init()
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::Imp::init");
    QWidget * tempparent = new QWidget();//Use this as temporary parent to
    //avoid the buttons temporarily
    //showing up as individual top
    //widgets.
    tempparent->setVisible(false);
    if (detectorViewButtons) {
        // addNewButton("VA","View vertex region from positive Z axis",VERTEX,ASIDE,tempparent);
        // addNewButton("VC","View vertex region from negative Z axis",VERTEX,CSIDE,tempparent);
 
        addNewButton("IA","View inner detector from positive Z axis",INDET,ASIDE,tempparent);
        addNewButton("IC","View inner detector from negative Z axis",INDET,CSIDE,tempparent);
 
        addNewButton("CA","View calorimeters from positive Z axis",CALO,ASIDE,tempparent);
        addNewButton("CC","View calorimeters from negative Z axis",CALO,CSIDE,tempparent);
 
        addNewButton("MA","View muon spectrometer from positive Z axis",MUON,ASIDE,tempparent);
        addNewButton("MC","View muon spectrometer from negative Z axis",MUON,CSIDE,tempparent);
 
        addNewButton("FA","View forward region from positive Z axis",FORWARDREGION,ASIDE,tempparent);
        addNewButton("FC","View forward region from negative Z axis",FORWARDREGION,CSIDE,tempparent);
 
        addNewButton("MB","View muon spectrometer from barrel",MUON,BARREL,tempparent, ":icons/icons/rphi.png");
 
        // This one is special:
        //addNewButton("XT", "Execute a tour of the detector",INDET, true, tempparent);
        {
            QPushButton *button = new QPushButton(tempparent);
            button->setText("XT");
            button->setToolTip("Execute a tour of the detector (configure in context menu)");
            button->setFocusPolicy(Qt::NoFocus);
            takeTourButton=button;
            QObject::connect(button,SIGNAL(clicked()), signalcatcher, SLOT(catchSignal()));
            theclass->addAppPushButton(button);
            QObject::connect(&animationSequencer,SIGNAL(animationFinishedSuccessfully()),signalcatcher,SLOT(catchSignal()));      
        }
    }
    QWidget * w_spacer = new QWidget(tempparent);
    QSizePolicy sp_spacer(w_spacer->sizePolicy());
    unsigned vertStretch = 99999;
    sp_spacer.setVerticalStretch(vertStretch);
    w_spacer->setSizePolicy(sp_spacer);
    theclass->addAppPushButton(w_spacer);
 
    tempparent->deleteLater();
}
 
//____________________________________________________________________
void VP1ExaminerViewer_SignalCatcher::catchSignal()
{
    if (!sender())
        return;
    if (sender()==&(m_d->animationSequencer)) {
        if (m_d->tourLoopsForever)
            m_d->animationSequencer.startAnimating(m_d->tourLoopsForeverSkipFirstFrame);
        return;
    }
    QPushButton* button = dynamic_cast<QPushButton*>(sender());
    if (button) {
        if (m_d->detectorbuttons.find(button)!=m_d->detectorbuttons.end())
            m_d->detectorZoomButtonClicked(m_d->detectorbuttons.find(button)->second);
        else if (button==m_d->takeTourButton)
            m_d->takeTourButtonClicked();
        return;
    }
    QMenu* menu = dynamic_cast<QMenu*>(sender());
    if (menu) {
        m_d->aboutToShowMenu(menu);
        return;
    }
    VP1Msg::messageDebug("VP1ExaminerViewer_SignalCatcher::catchSignal ERROR: Received unknown signal");
}
 
//____________________________________________________________________
void VP1ExaminerViewer::startTour()
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::startTour()");
    if (m_d->detectorViewButtons)
        m_d->takeTourButtonClicked();
}
 
//____________________________________________________________________
bool VP1ExaminerViewer::startTourEachEvent() const
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::startTourEachEvent()");
    return m_d->popup_tourStartEachEvent ? m_d->popup_tourStartEachEvent->isChecked() : false;
}
 
//____________________________________________________________________
SoSphere * VP1ExaminerViewer::Imp::getRegionSphere(REGION region,bool perspective)
{
  if (!sphere) {
    sphere = new SoSphere;
    sphere->ref();
  }
  double r(30);
  switch (region) {
  case VERTEX:
    VP1Msg::messageVerbose("set sphere dimensions for vertex");
    //r = perspective ? 0.5 : 0.5;
    r=0.5;
    break;
  case INDET:
    VP1Msg::messageVerbose("set sphere dimensions for indet");
    r = perspective ? 13 : 7;
    break;
  case CALO:
    VP1Msg::messageVerbose("set sphere dimensions for calo");
    r = perspective ? 35 : 27;
    break;
  case FORWARDREGION:
    VP1Msg::messageVerbose("set sphere dimensions for forward region");
    //r = perspective ? 600 : 600;
    r=600;
    break;
  case MUON:
  default:
    VP1Msg::messageVerbose("set sphere dimensions for muon");
    r = perspective ? 95 : 73;
    break;
  }
  sphere->radius  = r * 1000.0;
  return sphere;
}
 
//____________________________________________________________________
void VP1ExaminerViewer::Imp::grabFocus()
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::Imp::grabFocus()");
    QWidget * w = theclass->getGLWidget();
    if (w)
        w->setFocus(Qt::OtherFocusReason);
}
 
//____________________________________________________________________
void VP1ExaminerViewer::Imp::applyMovieSettingsToAnimationSequencer()
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::Imp::applyMovieSettingsToAnimationSequencer()");
 
    //Movie pars:
    if (action_movieenabled->isChecked()) {
        int width = action_moviewidth->data().toInt();
        int height = action_movieheight->data().toInt();
        int fps = action_moviefps->data().toInt();
        QString outdir = action_movieoutdir->data().toString();
        QDir().mkpath(outdir);
        animationSequencer.setMovie(true);
        animationSequencer.setMovieParameters(outdir,movieFrameFileNamePrefix,fps,width,height);
    } else {
        animationSequencer.setMovie(false);
    }
}
 
//____________________________________________________________________
void VP1ExaminerViewer::startCustomTour()
{
    VP1Msg::messageVerbose("startCustomTour begin.");
 
    if (!m_d->customtoureditor||!m_d->customtoureditor->tourAvailable())
        return;
 
    m_d->grabFocus();
    if (isAnimating())
        stopAnimating();
    bool jump(m_d->action_movieenabled->isChecked());
    if (currentCamIsPerspective()!=m_d->customtoureditor->tourIsPerspective()) {
        toggleCameraType();
        jump = true;
    }
    m_d->animationSequencer.sequence().clearAllFrames();
    m_d->customtoureditor->addTourToAnimationSequencer(m_d->animationSequencer,jump);
    m_d->applyMovieSettingsToAnimationSequencer();
    //Start animation:
    m_d->animationSequencer.startAnimating();
}
 
//____________________________________________________________________
void VP1ExaminerViewer::Imp::takeTourButtonClicked() {
    VP1Msg::messageVerbose("takeTourButtonClicked begin.");
    grabFocus();
    if (theclass->isAnimating())
        theclass->stopAnimating();
    if (updateAnimationSequence()) {
        applyMovieSettingsToAnimationSequencer();
        //animationSequencer
        animationSequencer.startAnimating();
    } else {
        VP1Msg::messageDebug("Aborting tour since no detector parts enabled.");
    }
    VP1Msg::messageVerbose("takeTourButtonClicked end.");
}
 
//____________________________________________________________________
void VP1ExaminerViewer::Imp::detectorZoomButtonClicked(std::pair<REGION,VIEW> p)
{
    grabFocus();
 
    VP1Msg::messageVerbose("detectorZoomButtonClicked region = "+toString(p.first)+", from "+QString((std::to_string(p.second) +" Z axis").c_str()));
 
    SoNode * rootnode = theclass->getSceneGraph();
    if (!rootnode) {
        VP1Msg::messageDebug("VP1ExaminerViewer::Imp::detectorZoomButtonClicked WARNING: No scenegraph set. Ignoring.");
        return;
    }
    if ( ! ( rootnode->getTypeId().isDerivedFrom(SoGroup::getClassTypeId())) ) {
        VP1Msg::messageDebug("VP1ExaminerViewer::Imp::detectorZoomButtonClicked WARNING: Root node does not derive from SoGroup. Ignoring.");
        return;
    }
    if (theclass->currentCamIsPerspective()) {
        //Fix for bad camera (fixme: this doesn't really work... Perhaps let all detector buttons reset camera?):
        theclass->toggleCameraType();
        theclass->toggleCameraType();
    }
    SoCamera * camera = theclass->getCamera();
    if (!camera) {
        VP1Msg::messageDebug("VP1ExaminerViewer::Imp::detectorZoomButtonClicked WARNING: Could not get camera. Ignoring.");
        return;
    }
    rootnode->ref();
    camera->ref();
 
    SoGroup * root = static_cast<SoGroup*>(rootnode);
 
    //Get region:
    SoSphere * regionsphere = getRegionSphere(p.first,
            theclass->currentCamIsPerspective());
    //Get direction:
    int zDir=0;
    int xDir=0;
    switch (p.second){
    case ASIDE:
    {
        zDir=-1;
        rotationMode=ZROT;
        theclass->setLeftWheelString("Rotz");
        break;
    }
    case CSIDE:
    {
        zDir=1;
        rotationMode=ZROT;
        theclass->setLeftWheelString("Rotz");
        break;
    }
    case BARREL:
    {
        xDir=1;
        rotationMode=XROT;
        theclass->setLeftWheelString("Rotx");
    }
    }
    SbVec3f lookat(xDir,0,zDir), upvec(0,1,0);
 
    bool notifyenabled = root->enableNotify(false);
 
    root->insertChild(regionsphere,0);
    VP1Msg::messageVerbose("detectorZoomButtonClicked Initiating zoom.");
    if (theclass->isAnimating())
        theclass->stopAnimating();
    camera->unrefNoDelete();//Must be done before we start the zoom (to avoid an abort)
    //   if (resetCamera_state!=QByteArray())
    //     VP1CameraHelper::animatedZoomToCameraState( camera,root,resetCamera_state,1.0, true );
    //   else
    VP1CameraHelper::animatedZoomToSubTree(camera,root,regionsphere,1.0,100.0,100.0,0.1,lookat,upvec);
 
    root->removeChild(regionsphere);
    if (notifyenabled) {
        root->enableNotify(true);
        root->touch();
    }
 
    rootnode->unrefNoDelete();
 
    VP1Msg::messageVerbose("detectorZoomButtonClicked end.");
}
 
 
 
//____________________________________________________________________
void VP1ExaminerViewer::buildPopupMenu()
{
    //We don't actually use this popupmenu.
 
    // SoQtExaminerViewer::buildPopupMenu();
}
 
//____________________________________________________________________
void VP1ExaminerViewer::removeDecorationMenuOption()
{
 
    VP1Msg::messageVerbose("VP1ExaminerViewer::removeDecorationMenuOption()");
    if (m_d->decorationMenuRemoved || !prefmenu)
        return;
    m_d->decorationMenuRemoved = true;
    int id = prefmenu->getMenuItem("decoration");
    if (id!=-1)
        prefmenu->removeMenuItem(id);
 
}
 
//____________________________________________________________________
SbBool VP1ExaminerViewer::processSoEvent(const SoEvent * const evt )
{
//    VP1Msg::messageDebug("VP1ExaminerViewer::processSoEvent()");
//    std::cout << "event type: " << evt->getClassTypeId().getName() << " - " << evt->getTypeId().getName() << std::endl;
 
    if (evt->getTypeId().isDerivedFrom(SoKeyboardEvent::getClassTypeId())) {
        //We want to add a few shortcuts:
        // "A": View all
        // "P": Perspective camera
        // "O": Orthogonal camera
        // "C": Toggle camera mode
        // "M": Toggle view/selection mode.
        //  If "Q" then we do NOT pass it on to the base class (because that closes the top window!!)
 
        m_d->grabFocus(); //probably redundant since we got the event, but can't hurt.
 
        if (SO_KEY_PRESS_EVENT(evt,SoKeyboardEvent::V)) {
            viewAll();
            return true;//eat event
        }
        if (SO_KEY_PRESS_EVENT(evt,SoKeyboardEvent::Q))
            return false;//do not eat event, but do not pass through to base.
        if (SO_KEY_PRESS_EVENT(evt,SoKeyboardEvent::C)) {
            toggleCameraType();
            return true;//eat event
        }
        if (SO_KEY_PRESS_EVENT(evt,SoKeyboardEvent::P)) {
            if (!currentCamIsPerspective() )
                toggleCameraType();
            return true;//eat event
        }
        if (SO_KEY_PRESS_EVENT(evt,SoKeyboardEvent::O)) {
            if (currentCamIsPerspective())
                toggleCameraType();
            return true;//eat event
        }
        if (SO_KEY_PRESS_EVENT(evt,SoKeyboardEvent::M)) {
            setViewing(!isViewing());
            return true;//eat event
        }
        if (SO_KEY_PRESS_EVENT(evt,SoKeyboardEvent::A)) {
            setAntiAlias(!isAntiAlias());
            m_d->grabFocus();//Needed since the GL calls triggered when setting antialiasing makes us loose focus (we obviusly just had it).
            return true;//eat event
        }
 
        //NB: We could emit keypressed signal when keyboardevent and base
        //    class does not eat event.
 
    } else if (evt->getTypeId().isDerivedFrom(SoMouseButtonEvent::getClassTypeId())) {
        m_d->grabFocus();//Any click grabs focus:
        if (isViewing()) {//In viewing mode we open a popup menu on right clicks:
            const SoMouseButtonEvent * ev_mouse = static_cast<const SoMouseButtonEvent*>(evt);
            if ((ev_mouse->getButton() == SoMouseButtonEvent::BUTTON2/*right click*/)) {
                if (ev_mouse->getState() == SoButtonEvent::DOWN) {
                    showPopupMenu();
                }
                return true;//eat all right-clicks in viewing mode.
            }
        }
    }
 
    return SoQtExaminerViewer::processSoEvent(evt);//pass event through
}
 
//____________________________________________________________________
void VP1ExaminerViewer::viewAll()
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::viewAll()");
    m_d->grabFocus();
    if (currentCamIsPerspective()) {
        //Fix for bad camera:
        toggleCameraType();
        toggleCameraType();
        //Fixme: Instead make a reset camera followed by a 0 second "zoom" to correct orientation?
    }
    SoQtExaminerViewer::viewAll();
 
}
 
//____________________________________________________________________
void VP1ExaminerViewer::toggleCameraType()
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::toggleCameraType()");
    m_d->grabFocus();
    SoQtExaminerViewer::toggleCameraType();
}
 
//____________________________________________________________________
void VP1ExaminerViewer::setCameraType(SoType type)
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::setCameraType()");
    m_d->grabFocus();
    if (rightWheelLabel)
        rightWheelLabel->setUpdatesEnabled(false);
    SoQtExaminerViewer::setCameraType(type);
    setRightWheelString("Zoom");
    if (rightWheelLabel) {
        rightWheelLabel->setVisible(true);
        rightWheelLabel->setUpdatesEnabled(true);
    }
 
    // get default stereo values and set them as starting point for the stereo editor
    if (getCamera()) {
        stereo_offset_camera = getCamera()->getStereoAdjustment();
        stereo_parallax_camera = getCamera()->getBalanceAdjustment();
        stereo_offset_viewer = getStereoOffset();
    }
}
 
//____________________________________________________________________
void VP1ExaminerViewer::setSeekMode(SbBool enable)
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::setSeekMode()");
    m_d->grabFocus();
    SoQtExaminerViewer::setSeekMode(enable);
}
 
//____________________________________________________________________
void VP1ExaminerViewer::setViewing(SbBool enable)
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::setViewing()");
    m_d->grabFocus();
    SoQtExaminerViewer::setViewing(enable);
}
 
//____________________________________________________________________
void VP1ExaminerViewer::bottomWheelFinish()
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::bottomWheelFinish()");
    m_d->grabFocus();
    SoQtExaminerViewer::bottomWheelFinish();
}
 
//____________________________________________________________________
void VP1ExaminerViewer::bottomWheelMotion(float val)
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::bottomWheelMotion()");
    m_d->grabFocus();
    SoQtExaminerViewer::bottomWheelMotion(val);
}
 
//____________________________________________________________________
void VP1ExaminerViewer::bottomWheelStart()
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::bottomWheelStart()");
    m_d->grabFocus();
    SoQtExaminerViewer::bottomWheelStart();
}
 
//____________________________________________________________________
void VP1ExaminerViewer::leftWheelFinish()
{
    m_d->grabFocus();
    SoQtExaminerViewer::leftWheelFinish();
}
 
//____________________________________________________________________
void VP1ExaminerViewer::leftWheelMotion(float val)
{
    m_d->grabFocus();
 
    if (isAnimating())
        stopAnimating();
 
    float newval = 0.0;
    if (m_d->rotationMode==Imp::XROT)
        newval = m_d->rotXWheelMotion(val, getLeftWheelValue());
    else
        newval = m_d->rotZWheelMotion(val, getLeftWheelValue());
 
    SoQtFullViewer::leftWheelMotion(newval);//NB: We bypass SoQtExaminerViewer implementation
}
 
//____________________________________________________________________
void VP1ExaminerViewer::leftWheelStart()
{
    m_d->grabFocus();
    SoQtExaminerViewer::leftWheelStart();
}
 
//____________________________________________________________________
void VP1ExaminerViewer::rightWheelFinish()
{
    m_d->grabFocus();
    SoQtExaminerViewer::rightWheelFinish();
}
 
//____________________________________________________________________
void VP1ExaminerViewer::rightWheelMotion(float val)
{
    m_d->grabFocus();
    SoQtExaminerViewer::rightWheelMotion(val);
}
 
//____________________________________________________________________
void VP1ExaminerViewer::rightWheelStart()
{
    m_d->grabFocus();
    SoQtExaminerViewer::rightWheelStart();
}
 
//____________________________________________________________________
float VP1ExaminerViewer::Imp::rotZWheelMotion(float value, float oldvalue)
{
    SoCamera * cam = theclass->getCamera();
    if (!cam)
        return 0.0f; // can happen for empty scenegraph
 
    cam->ref();
    rotateCamera(cam, SbVec3f(0, 0, -1), value - oldvalue);
    cam->unrefNoDelete();
    return value;
}
 
//____________________________________________________________________
float VP1ExaminerViewer::Imp::rotXWheelMotion(float value, float oldvalue)
{
    SoCamera * cam = theclass->getCamera();
    if (!cam)
        return 0.0f; // can happen for empty scenegraph
 
    cam->ref();
    rotateCamera(cam, SbVec3f(-1, 0, 0), value - oldvalue);
    cam->unrefNoDelete();
    return value;
}
 
//____________________________________________________________________
void VP1ExaminerViewer::Imp::rotateCamera(SoCamera * cam,
        const SbVec3f & aroundaxis,
        const float delta)
{
    const SbVec3f DEFAULTDIRECTION(0, 0, -1);
    const SbRotation currentorientation = cam->orientation.getValue();
 
    SbVec3f currentdir;
    currentorientation.multVec(DEFAULTDIRECTION, currentdir);
 
    const SbVec3f focalpoint = cam->position.getValue() +
            cam->focalDistance.getValue() * currentdir;
 
    // set new orientation
    cam->orientation = SbRotation(aroundaxis, delta) * currentorientation;
 
    SbVec3f newdir;
    cam->orientation.getValue().multVec(DEFAULTDIRECTION, newdir);
    cam->position = focalpoint - cam->focalDistance.getValue() * newdir;
}
 
//____________________________________________________________________
void VP1ExaminerViewer::setBufferingType(SoQtViewer::BufferType bt)
{
    SoQtExaminerViewer::setBufferingType(bt);
}
 
//____________________________________________________________________
void VP1ExaminerViewer::setAntialiasing(SbBool smoothing, int numPasses)
{
    VP1Msg::messageDebug("VP1ExaminerViewer::setAntialiasing()");
 
    SoQtExaminerViewer::setAntialiasing(smoothing, numPasses); // Needed for offscreen rendering (i.e. snapshots).
    
 
    // --- OLD AA method ---
    //  QGLWidget* qglw = (QGLWidget*)getGLWidget();
    //  QGLFormat fmt = qglw->format();
    //  fmt.setSampleBuffers(smoothing);
    //  fmt.setSamples(numPasses);
    //  qglw->setFormat(fmt);    // note: this is supposedly deprecated..
    //  qglw->makeCurrent();
 
    //    if(smoothing && numPasses > 1)
    //        glEnable(GL_MULTISAMPLE);
    //    else
    //        glDisable(GL_MULTISAMPLE);
 
    bool printWarning = false;
    const char* env_aa;
    #ifndef BUILDVP1LIGHT
        env_aa = std::getenv("VP1_ADVANCED_ANTIALIASING");
    #else
        bool antialiasingIsOn = VP1QtUtils::expertSettingIsOn("general","ExpertSettings/VP1_ADVANCED_ANTIALIASING");
        if(antialiasingIsOn){
            env_aa = "1";
        } else {
            env_aa = "0";
        }
    #endif
    if (env_aa != NULL) {
     std::string env_aa_string( env_aa );
     if(env_aa_string == "1") {
    
      // print a warning message, on the first time
      if ( ! std::getenv("VP1_ADVANCED_ANTIALIASING_PRINTMSG")) {
        VP1Msg::messageWarningRed("You switched ON advanced anti-aliasing. That's very good, but please notice that this method DOES NOT WORK on LXPLUS machines, currently, because of their old graphics drivers! If you are on LXPLUS, this will likely freeze VP1... If that's the case, please restart VP1 without the '-advanced-aa' flag.");
      }
      ::setenv("VP1_ADVANCED_ANTIALIASING_PRINTMSG", "1", 1/*override present value*/); // TODO: move to Qt settings
 
      // --- NEW AA method (26Sep2017) --- it works, but not on LXPLUS!!
      if (smoothing) {
        VP1Msg::message("VP1ExaminerViewer: turning AA on.");
 
        VP1Msg::message("Sep 2017: AA is now done using a new technique so please let hn-atlas-vp1-help@cern.ch know of any problems.");
        //FIXME - remove above messages at some point? EJWM.
 
        if (getGLRenderAction()->isSmoothing() != smoothing)
                getGLRenderAction()->setSmoothing(smoothing); // --> quite ugly outcome!
 
        int buffers = 4;
        #if SOQT_MAJOR_VERSION > 1 || (SOQT_MAJOR_VERSION == 1 && SOQT_MINOR_VERSION >= 5)
            if (getSampleBuffers() != buffers)
                setSampleBuffers(buffers);
        #else
            if (buffers > 1)
                VP1Msg::message("Multisampling is not supported by SoQT < 1.5, this anti-aliasing mode is disabled");
        #endif
      }
      else {
        VP1Msg::message("VP1ExaminerViewer: turning AA off.");
        getGLRenderAction()->setSmoothing(smoothing);
        setSampleBuffers(0);
      }
     }
     else {
        printWarning = true;
     }
    }
    else {
        printWarning = true;
    }
 
    if (printWarning) {
        VP1Msg::messageWarningRed("Anti-aliasing is using low-quality mode only, because of problems with the graphic drivers installed on LXPLUS machines. If you are not running VP1 on LXPLUS machine (for example, if you are running it on a custom SLC6 machine), you can start VP1 again using the command-line flag '-advanced-aa'.");
        }
 
    m_d->isantialias=smoothing;
}
 
//____________________________________________________________________
void VP1ExaminerViewer::setTransparencyType(SoGLRenderAction::TransparencyType t)
{
    SoQtExaminerViewer::setTransparencyType(t);
}
 
//____________________________________________________________________
void VP1ExaminerViewer::setDrawStyle(SoQtViewer::DrawType t, SoQtViewer::DrawStyle s)
{
    SoQtExaminerViewer::setDrawStyle(t,s);
}
 
//____________________________________________________________________
bool VP1ExaminerViewer::isAntiAlias() const
{
    return m_d->isantialias;
    //   SbBool smoothing; int numPasses;
    //   getAntialiasing(smoothing, numPasses);
    //   return smoothing&&numPasses>1;
}
 
//____________________________________________________________________
void VP1ExaminerViewer::setAntiAlias(bool b)
{
    m_d->isantialias=b;
    b ? setAntialiasing(true,4) : setAntialiasing(false,1);
    std::cout << "antiAliasing set." << std::endl;
}
 
//____________________________________________________________________
void VP1ExaminerViewer::resetCamera()
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::resetCamera()");
    if (m_d->resetCamera_state==QByteArray())
        return;
    if (isAnimating())
        stopAnimating();
    if (m_d->resetCamera_isPerspective != (currentCamIsPerspective()))
        toggleCameraType();
    if (getCamera()&&m_d->resetCamera_state!=QByteArray())
        VP1QtInventorUtils::deserializeSoCameraParameters(m_d->resetCamera_state,*(getCamera()));//Fixme: Check return value?
}
 
 
//____________________________________________________________________
bool VP1ExaminerViewer::currentCamIsPerspective() const
{
    return getCameraType() == SoPerspectiveCamera::getClassTypeId();
}
 
//____________________________________________________________________
QByteArray VP1ExaminerViewer::currentCameraState() const
{
    SoCamera * cam(getCamera());
    return cam ? VP1QtInventorUtils::serializeSoCameraParameters(*cam) : QByteArray();
}
 
//____________________________________________________________________
QPixmap VP1ExaminerViewer::getSnapShotFromCamState(bool camStateIsPerspective, QByteArray camState,
        int width, int height, bool transp )
{
    SoCamera * cam = getCamera();
    if (!cam)
        return QPixmap();
    bool notifyenabled = cam->enableNotify(false);
 
    bool currentPersp(currentCamIsPerspective());
    QByteArray currentState(currentCameraState());
    if (currentPersp!=camStateIsPerspective)
        toggleCameraType();
    VP1QtInventorUtils::deserializeSoCameraParameters(camState,*(getCamera()));
    QPixmap pm = VP1QtInventorUtils::renderToPixmap(this, width, height,transp);
    if (currentPersp!=camStateIsPerspective)
        toggleCameraType();
    VP1QtInventorUtils::deserializeSoCameraParameters(currentState,*(getCamera()));
 
    if (notifyenabled) {
        cam->enableNotify(true);
        //We don't touch since we know that we didn't actually change anything: cam->touch();
    }
    return pm;
}
 
//____________________________________________________________________
void VP1ExaminerViewer::storeCameraParametersForReset()
{
    if (m_d->resetCamera_state!=QByteArray())
        return;
    //Camera type and parameters:
    m_d->resetCamera_isPerspective = (currentCamIsPerspective());
    m_d->resetCamera_state = currentCameraState();
 
    if (m_d->popup_resetCameraAction&&!m_d->popup_resetCameraAction->isVisible())
        m_d->popup_resetCameraAction->setVisible(true);
}
 
//____________________________________________________________________
void VP1ExaminerViewer::Imp::updateMovieMenuVisuals()
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::Imp::updateMovieMenuVisuals()");
 
    ensureMenuInit();
    int width = action_moviewidth->data().toInt();
    int height = action_movieheight->data().toInt();
    int fps = action_moviefps->data().toInt();
    QString outdir = action_movieoutdir->data().toString();
    action_moviewidth->setText("Change output &width [current: "+QString::number(width)+"]");
    action_movieheight->setText("Change output &height [current: "+QString::number(height)+"]");
    action_moviefps->setText("Change output &FPS [current: "+QString::number(fps)+"]");
    action_movieoutdir->setText("Change output &dir [current: "+outdir+"]");
 
    bool c(action_movieenabled->isChecked());
    action_moviewidth->setEnabled(c);
    action_movieheight->setEnabled(c);
    action_moviefps->setEnabled(c);
    action_movieoutdir->setEnabled(c);
 
}
 
//____________________________________________________________________
bool VP1ExaminerViewer::Imp::ensureMenuInit()
{
    if (popup_menu)
        return true;
    QWidget * w = theclass->getWidget();
    if (!w)
        return false;
    popup_menu = new QMenu (w);
 
    popup_bgdColAction = popup_menu->addAction("&Background Colour");
    popup_antiAliasAction = popup_menu->addAction("&Anti aliasing [A]");
    popup_resetCameraAction = popup_menu->addAction("&Reset camera");
 
    if (detectorViewButtons) {
        //Tour - base
        QMenu * tourmenu = popup_menu->addMenu("&Tour");
        popup_tourStartEachEvent = tourmenu->addAction("Start tour on new event");
        popup_tourStartEachEvent->setCheckable(true);
        popup_tourReturnToStartAction = tourmenu->addAction("Tour ends at &original view");
        popup_tourReturnToStartAction->setCheckable(true);
        popup_tourReturnToStartAction->setVisible(false);//Until functionality actually implemented
        QMenu * tourspeedmenu = tourmenu->addMenu("&Speed");
        QMenu * tourpartsmenu = tourmenu->addMenu("&Parts");
        QMenu * tourloopmenu = tourmenu->addMenu("&Looping");
        popup_tourExecute = tourmenu->addAction("E&xecute");
 
        //Tour - speed:
        popup_tourSpeedVerySlow = tourspeedmenu->addAction("Very s&low");
        popup_tourSpeedSlow = tourspeedmenu->addAction("&Slow");
        popup_tourSpeedMedium = tourspeedmenu->addAction("&Medium");
        popup_tourSpeedFast = tourspeedmenu->addAction("&Fast");
        popup_tourSpeedVeryFast = tourspeedmenu->addAction("Very f&ast");
        popup_tourSpeedVerySlow->setCheckable(true);
        popup_tourSpeedSlow->setCheckable(true);
        popup_tourSpeedMedium->setCheckable(true);
        popup_tourSpeedFast->setCheckable(true);
        popup_tourSpeedVeryFast->setCheckable(true);
        QActionGroup * tour_speed_group = new QActionGroup(tourspeedmenu);
        tour_speed_group->addAction(popup_tourSpeedVerySlow);
        tour_speed_group->addAction(popup_tourSpeedSlow);
        tour_speed_group->addAction(popup_tourSpeedMedium);
        tour_speed_group->addAction(popup_tourSpeedFast);
        tour_speed_group->addAction(popup_tourSpeedVeryFast);
        popup_tourSpeedMedium->setChecked(true);
 
        //Tour - parts:
        popup_tourPartsVertex = tourpartsmenu->addAction("&Vertex region");
        popup_tourPartsInDet = tourpartsmenu->addAction("&Inner Detector");
        popup_tourPartsCalo = tourpartsmenu->addAction("&Calorimeters");
        popup_tourPartsMuon = tourpartsmenu->addAction("&Muon systems");
        popup_tourPartsVertex->setCheckable(true);
        popup_tourPartsInDet->setCheckable(true);
        popup_tourPartsCalo->setCheckable(true);
        popup_tourPartsMuon->setCheckable(true);
        popup_tourPartsInDet->setChecked(true);
        popup_tourPartsMuon->setChecked(true);
 
        //Tour - Looping:
        popup_tourLoopOnce = tourloopmenu->addAction("&Once");
        popup_tourLoopTwice = tourloopmenu->addAction("&Twice");
        popup_tourLoopThrice = tourloopmenu->addAction("T&hrice");
        popup_tourLoopForever = tourloopmenu->addAction("&Indefinitely");
        popup_tourLoopOnce->setCheckable(true);
        popup_tourLoopTwice->setCheckable(true);
        popup_tourLoopThrice->setCheckable(true);
        popup_tourLoopForever->setCheckable(true);
        QActionGroup * tour_loop_group = new QActionGroup(tourloopmenu);
        tour_loop_group->addAction(popup_tourLoopOnce);
        tour_loop_group->addAction(popup_tourLoopTwice);
        tour_loop_group->addAction(popup_tourLoopThrice);
        tour_loop_group->addAction(popup_tourLoopForever);
        popup_tourLoopOnce->setChecked(true);
 
    }
 
    QMenu * advancedmenu = popup_menu->addMenu("&More");
 
    popup_hidedecorationsaction = advancedmenu->addAction("Hide &controls");
    popup_headLightAction = advancedmenu->addAction("&Headlight");
    popup_ambientLightAction = advancedmenu->addAction("dummy");
    popup_dumpSceneAction = advancedmenu->addAction("Dump &scene to file");
    popup_dumpSceneVRMLAction = advancedmenu->addAction("Dump &scene to VRML file");
    popup_toSVGAction = advancedmenu->addAction("Produce SV&G image");
    popup_toEPSAction = advancedmenu->addAction("Produce &EPS image");
 
    if (detectorViewButtons) {
        //Custom views:
        QMenu * viewsmenu = advancedmenu->addMenu("Stored &views");
        viewmenu_zoomtoview = viewsmenu->addMenu("Animated &zoom to view");
        viewmenu_restoreview = viewsmenu->addMenu("&Restore view");
        viewmenu_storecurrentview = viewsmenu->addMenu("Store &current view");
        viewmenu_deleteview = viewsmenu->addMenu("&Delete view");
        QObject::connect(viewmenu_storecurrentview,SIGNAL(aboutToShow()),signalcatcher,SLOT(catchSignal()));
        QObject::connect(viewmenu_deleteview,SIGNAL(aboutToShow()),signalcatcher,SLOT(catchSignal()));
        QObject::connect(viewmenu_restoreview,SIGNAL(aboutToShow()),signalcatcher,SLOT(catchSignal()));
        QObject::connect(viewmenu_zoomtoview,SIGNAL(aboutToShow()),signalcatcher,SLOT(catchSignal()));
        storedViewsChanged();
    }
 
    if (detectorViewButtons) {
        //Custom tour:
        QMenu * customtourmenu = advancedmenu->addMenu("Custom &tour");
        customtour_launcheditor = customtourmenu->addAction("Launch &editor");
        customtour_execute = customtourmenu->addAction("E&xecute");
        customtour_execute->setEnabled(false);
 
        //Movies:
        QMenu * moviesmenu = advancedmenu->addMenu("&Movie settings");
        action_movieenabled = moviesmenu->addAction("&Enable movie output when executing tours (one image file per frame)");
        action_movieenabled->setCheckable(true);
        action_movieenabled->setChecked(false);
        action_moviewidth = moviesmenu->addAction("dummy");
        action_moviewidth->setData(1024);
        action_movieheight = moviesmenu->addAction("dummy");
        action_movieheight->setData(768);
        action_moviefps = moviesmenu->addAction("dummy");
        action_moviefps->setData(24);
        action_movieoutdir = moviesmenu->addAction("dummy");
        QString username=VP1QtUtils::environmentVariableValue("USER");
        action_movieoutdir->setData(username.isEmpty() ? "/tmp/vp1frames" : "/tmp/"+username+"/vp1frames");
        action_moviefadetocurrentview = moviesmenu->addAction("Fade last frame to current view (1s)");
        updateMovieMenuVisuals();
    }
 
 
    updateAmbientLightText();
    popup_headLightAction->setCheckable(true);
    popup_antiAliasAction->setCheckable(true);
    popup_hidedecorationsaction->setCheckable(true);
 
 
    //Draw styles sub menu:
    QMenu * drawstylemenu = advancedmenu->addMenu("&Draw styles");
 
    QMenu * drawstyle_still_menu = drawstylemenu->addMenu("&Still draw style");
    QMenu * drawstyle_interactive_menu = drawstylemenu->addMenu("&Interactive draw style");
    QMenu * drawstyle_transptype_menu = drawstylemenu->addMenu("&Transparency Type");
 
    //Drawstyles sub menus:
    QActionGroup * ds_still_group = new QActionGroup(drawstyle_still_menu);
    QActionGroup * ds_interactive_group = new QActionGroup(drawstyle_interactive_menu);
    for(SoQtViewer::DrawStyle ds : getAllViewerDrawStyles()) {
        int ids = viewerDrawStyleToInt(ds);
        QString pretty = viewerDrawStyle2PrettyString(ds);
        if (ds!=SoQtViewer::VIEW_SAME_AS_STILL) {
            //still menu:
            QAction * act = drawstyle_still_menu->addAction(pretty);
            act->setData(ids);
            popup_drawstyle_still_actions << act;
            ds_still_group->addAction(act);
            act->setCheckable(true);
        }
        if (ds!=SoQtViewer::VIEW_AS_IS) {
            //interactive menu:
            QAction * act = drawstyle_interactive_menu->addAction(pretty);
            act->setData(ids);
            popup_drawstyle_interactive_actions << act;
            ds_interactive_group->addAction(act);
            act->setCheckable(true);
        }
    }
 
    //Transparency type sub menu:
    QActionGroup * transptype_group = new QActionGroup(drawstyle_transptype_menu);
    for(SoGLRenderAction::TransparencyType type : VP1QtInventorUtils::getAllTransparencyTypes()) {
        QAction * act = drawstyle_transptype_menu->addAction(VP1QtInventorUtils::transparencyType2PrettyString(type));
        act->setData(VP1QtInventorUtils::transparencyTypeToInt(type));
        popup_transptype_actions << act;
        transptype_group->addAction(act);
        act->setCheckable(true);
    }
 
 
    //Stereo view sub menu:
    QMenu * stereoviewmenu_main = advancedmenu->addMenu("&Stereographic view");
    stereo_launcheditor = stereoviewmenu_main->addAction("Launch &editor");
 
    // focal length submenu
    popup_focal_value_action = advancedmenu->addAction("dummy"); // dummy text replaced here below
    SoCamera *camera = theclass->getCamera();
    float default_focal_camera = camera->focalDistance.getValue();
    popup_focal_value_action->setData(default_focal_camera);
    popup_focal_value_action->setText("Change camera FOCAL LENGTH [current: "+QString::number(default_focal_camera)+"]");
 
    // N.B.!! --> all the actions and menus here below are not needed anymore,
    //            because we implemented the new stereo editor
 
//  QMenu * stereoviewmenu = stereoviewmenu_main->addMenu("stereo menu - viewer");
//  QMenu * stereoviewmenu_camera = stereoviewmenu_main->addMenu("stereo menu - camera");
 
 
//  // STEREO settings - SoQtViewer version
//
//  QMenu * stereo_set_offset_menu = stereoviewmenu->addMenu("Set stereo &Offset");
//  popup_stereo_offset_value_action = stereoviewmenu->addAction("dummy"); // dummy text replaced here below
//  QMenu * stereo_set_type_menu = stereoviewmenu->addMenu("Set &Stereo type");
//  stereo_set_anaglyph_menu = stereoviewmenu->addMenu("Set &Anaglyph settings");
 
 
//  // build the Stereo Offset submenu
//  QActionGroup * stereo_set_offset_group = new QActionGroup(stereo_set_offset_menu);
//
//  QList<float> offset_values;
//  offset_values << 0 << 1000.00 << 5000.00 << 10000.00 << 20000.00;
//
//  for(float value : offset_values) {
//      QAction * act = stereo_set_offset_menu->addAction(QString::number(value));
//      act->setData(QString::number(value));
//      popup_stereo_offset_actions << act;
//      stereo_set_offset_group->addAction(act);
//      act->setCheckable(true);
//  }
//
//
//
//  // an action to change the let the user change the stereo offset by entering a double
//  float default_offset = 0.1;
//  popup_stereo_offset_value_action->setData(default_offset);
//  popup_stereo_offset_value_action->setText("Change STEREO offset [current: "+QString::number(default_offset)+"]");
//
//
//  // build the Stereo Type submenu
//  QActionGroup * stereo_set_type_group = new QActionGroup(stereoviewmenu);
//
//  QList<SoQtViewer::StereoType> stereo_type_values;
//  stereo_type_values << SoQtViewer::STEREO_NONE << SoQtViewer::STEREO_ANAGLYPH;
//
//  for(SoQtViewer::StereoType value : getAllStereoViewTypes() ) {
//      QAction * act = stereo_set_type_menu->addAction(viewerStereoType2PrettyString(value));
//      act->setData( viewerStereoTypeToInt(value) );
//      popup_stereo_type_actions << act;
//      stereo_set_type_group->addAction(act);
//      act->setCheckable(true);
//  }
//
//
//  // build the Anaglyph settings submenu
//  QActionGroup * stereo_set_anaglyph_group = new QActionGroup(stereoviewmenu);
//
//  QList<SoQtViewer::StereoType> stereo_type_values;
//  stereo_type_values << SoQtViewer::STEREO_NONE << SoQtViewer::STEREO_ANAGLYPH;
//
//  QStringList options;
//  options << "Standard Red-Cyan view" << "Left-eye only" << "Right-eye only";
//
//  for(QString value : options ) {
//      QAction * act = stereo_set_anaglyph_menu->addAction(value);
//      act->setData( value );
//      popup_stereo_anaglyph_actions << act;
//      stereo_set_anaglyph_group->addAction(act);
//      act->setCheckable(true);
//  }
 
 
 
 
    // STEREO settings - Camera version
 
//  // offset submenu
//  popup_stereo_offset_value_action_camera = stereoviewmenu_camera->addAction("dummy"); // dummy text replaced here below
//  // an action to change the let the user change the stereo offset by entering a double
//  float default_offset_camera = 0.1;
//  popup_stereo_offset_value_action_camera->setData(default_offset_camera);
//  popup_stereo_offset_value_action_camera->setText("Change STEREO offset [current: "+QString::number(default_offset_camera)+"]");
//
//  // balance submenu
//  popup_stereo_balance_value_action_camera = stereoviewmenu_camera->addAction("dummy"); // dummy text replaced here below
//  // an action to change the let the user change the stereo offset by entering a double
//  float default_balance_camera = 1.0;
//  popup_stereo_balance_value_action_camera->setData(default_balance_camera);
//  popup_stereo_balance_value_action_camera->setText("Change STEREO balance [current: "+QString::number(default_balance_camera)+"]");
//
 
 
 
//  // stereo camera view settings submenu
//  stereo_set_stereo_camera_view_menu = stereoviewmenu_camera->addMenu("Set Stereo &Camera view settings");
//  QActionGroup * stereo_set_stereo_camera_view_group = new QActionGroup(stereoviewmenu_camera);
//
//  QStringList options_camera;
//  options_camera << "Standard view" << "Left-eye view" << "Right-eye view";
//
//  for(QString value : options_camera ) {
//      QAction * act = stereo_set_stereo_camera_view_menu->addAction(value);
//      act->setData( value );
//      popup_stereo_anaglyph_actions_camera << act;
//      stereo_set_stereo_camera_view_group->addAction(act);
//      act->setCheckable(true);
//  }
 
 
 
    return true;
 
}
 
//____________________________________________________________________
void VP1ExaminerViewer::Imp::aboutToShowMenu(QMenu * menu)
{
    VP1Msg::messageVerbose("aboutToShowMenu()");
 
    if (viewmenu_storecurrentview==menu) {
        viewmenu_storecurrentview->clear();
        storeViewActions.clear();
        QString fs = firstAvailableStoredViewName();
        QAction * act = viewmenu_storecurrentview->addAction("Store as "+fs);
        act->setData(fs);
        storeViewActions << act;
        if (!storedViews.isEmpty()) {
            viewmenu_storecurrentview->addSeparator();
            for(const StoredView & sv : storedViews) {
                act = viewmenu_storecurrentview->addAction("Overwrite "+sv.name());
                act->setIcon(sv.icon());
                if (!fitsCurrentCamType(sv)) {
                    act->setEnabled(false);
                } else {
                    act->setData(sv.name());
                    storeViewActions << act;
                }
            }
        }
        return;
 
    }
    if (viewmenu_zoomtoview==menu) {
        viewmenu_zoomtoview->clear();
        zoomToViewActions.clear();
        for(const StoredView & sv : storedViews) {
            QAction * act = viewmenu_zoomtoview->addAction(sv.name());
            act->setIcon(sv.icon());
            if (!fitsCurrentCamType(sv)) {
                act->setEnabled(false);
            } else {
                act->setData(sv.name());
                zoomToViewActions << act;
            }
        }
        return;
    }
    if (viewmenu_restoreview==menu) {
        viewmenu_restoreview->clear();
        restoreViewActions.clear();
        for(const StoredView & sv : storedViews) {
            QAction * act = viewmenu_restoreview->addAction(sv.name());
            act->setIcon(sv.icon());
            act->setData(sv.name());
            restoreViewActions << act;
        }
        return;
    }
    if (viewmenu_deleteview==menu) {
        viewmenu_deleteview->clear();
        deleteViewActions.clear();
        for(const StoredView & sv : storedViews) {
            QAction * act = viewmenu_deleteview->addAction(sv.name());
            act->setIcon(sv.icon());
            act->setData(sv.name());
            deleteViewActions << act;
        }
        return;
    }
    VP1Msg::messageDebug("VP1ExaminerViewer::Imp::aboutToShowMenu ERROR: Unknown menu");
}
 
//____________________________________________________________________
void VP1ExaminerViewer::Imp::updatePopupMenuStates()
{
    VP1Msg::messageVerbose("updatePopupMenuStates()");
 
    if (!popup_headLightAction)
        return;
    popup_headLightAction->setChecked(theclass->isHeadlight());
    popup_antiAliasAction->setChecked(theclass->isAntiAlias());
    popup_hidedecorationsaction->setChecked(! theclass->isDecoration());
 
    int idrawstyle_still = viewerDrawStyleToInt(theclass->getDrawStyle(SoQtViewer::STILL));
    for (QAction * act : popup_drawstyle_still_actions) {
        if (act->data().toInt() == idrawstyle_still) {
            act->setChecked(true);
            break;
        }
    }
 
    int idrawstyle_interactive = viewerDrawStyleToInt(theclass->getDrawStyle(SoQtViewer::INTERACTIVE));
    for (QAction * act : popup_drawstyle_interactive_actions) {
        if (act->data().toInt() == idrawstyle_interactive) {
            act->setChecked(true);
            break;
        }
    }
 
    int itransptype = VP1QtInventorUtils::transparencyTypeToInt(theclass->getTransparencyType());
    for (QAction * act : popup_transptype_actions) {
        if (act->data().toInt() == itransptype) {
            act->setChecked(true);
            break;
        }
    }
 
    popup_resetCameraAction->setVisible(resetCamera_state!=QByteArray());
 
}
 
//____________________________________________________________________
void VP1ExaminerViewer::dumpSceneToFile(QString filename)
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::dumpSceneToFile()");
 
    SoNode * rootnode = getSceneGraph();
    if (!rootnode)
        return;
 
    QWidget * w = getWidget();
    if (!w)
        return;
 
    if(filename.isEmpty()) {
        if (isAnimating())
            stopAnimating();
        filename = QFileDialog::getSaveFileName(w, "Select output file",
                (m_d->lastDumpFile.isEmpty()?VP1Settings::defaultFileSelectDirectory():m_d->lastDumpFile),
                "Inventor files (*.iv)",0,QFileDialog::DontResolveSymlinks);
        if(filename.isEmpty())
            return;
        if (!filename.endsWith(".iv"))
            filename += ".iv";
        m_d->lastDumpFile=filename;
    }
 
    SoGroup * standardisedRoot(0);
    if ( rootnode->getTypeId().isDerivedFrom(SoGroup::getClassTypeId()))
        standardisedRoot = VP1HEPVisUtils::convertToStandardScene(static_cast<SoGroup*>(rootnode));
 
    if (standardisedRoot&&VP1QtInventorUtils::writeGraphToFile(standardisedRoot, filename))
        VP1Msg::messageDebug("VP1ExaminerViewer: Dumped scene to file "+filename);
    else
        VP1Msg::messageDebug("VP1ExaminerViewer: Error: Problems dumping scene to file "+filename);
 
}
 
void VP1ExaminerViewer::dumpSceneToVRMLFile(QString filename){
    VP1Msg::messageVerbose("VP1ExaminerViewer::dumpSceneToVRMLFile()");
 
    SoNode * rootnode = getSceneGraph();
    if (!rootnode)
        return;
 
    QWidget * w = getWidget();
    if (!w)
        return;
 
    if(filename.isEmpty()) {
        if (isAnimating())
            stopAnimating();
        filename = QFileDialog::getSaveFileName(w, "Select output file",
                (m_d->lastDumpFile.isEmpty()?VP1Settings::defaultFileSelectDirectory():m_d->lastDumpFile),
                "VRML2.0/X3D files (*.wrl)",0,QFileDialog::DontResolveSymlinks);
        if(filename.isEmpty())
            return;
        if (!filename.endsWith(".wrl"))
            filename += ".wrl";
        m_d->lastDumpFile=filename;
    }
 
    SoGroup * standardisedRoot(0);
    if ( rootnode->getTypeId().isDerivedFrom(SoGroup::getClassTypeId()))
        standardisedRoot = VP1HEPVisUtils::convertToStandardScene(static_cast<SoGroup*>(rootnode));
 
    if (standardisedRoot&&VP1QtInventorUtils::writeGraphToVRMLFile(standardisedRoot, filename))
        VP1Msg::messageDebug("VP1ExaminerViewer: Dumped scene to VRML file "+filename);
    else
        VP1Msg::messageDebug("VP1ExaminerViewer: Error: Problems dumping scene to VRML file "+filename);
 
}
 
//____________________________________________________________________
void VP1ExaminerViewer::produceSVGImage(QString filename)
{
    QWidget * w = getWidget();
    if (!w)
        return;
    if(filename.isEmpty()) {
        if (isAnimating())
            stopAnimating();
        filename = QFileDialog::getSaveFileName(w, "Select output file",
                (m_d->lastSVGFile.isEmpty()?VP1Settings::defaultFileSelectDirectory():m_d->lastSVGFile),
                "Scalable Vector Graphics files (*.svg)",0,QFileDialog::DontResolveSymlinks);
        if(filename.isEmpty())
            return;
        if (!filename.endsWith(".svg"))
            filename += ".svg";
        m_d->lastSVGFile=filename;
    }
 
    VP1Msg::messageVerbose("Attempting to produce svg output: "+filename);
 
    //The following code contributed by Laurent Duflot:
 
    SoGL2PSAction::initClass();
 
    // want to render from above the SceneGraph so we get what the camera sees
    SoNode *rootA = static_cast<SoNode*>(SoQtRenderArea::getSceneGraph());
    if (!rootA ) return;
    SoNode *cam = static_cast<SoNode*>(this->getCamera());
    if ( ! cam ) return;
    SoSearchAction search;
    search.setNode(cam);
    search.apply(rootA);
    assert(search.getPath());
    SoNode* hiddenRoot =
            static_cast<SoFullPath *>(search.getPath())->getNodeFromTail(1);
 
    const SbViewportRegion& vpRegion = getViewportRegion();
    SoGL2PSAction* action = new SoGL2PSAction(vpRegion);
    action->setFileName(filename.toStdString().c_str());
    action->setFileFormat(SoGL2PSAction::SVG);
    action->enableFileWriting();
    action->apply(hiddenRoot);
    action->disableFileWriting();
    delete action;
 
}
 
//____________________________________________________________________
void VP1ExaminerViewer::produceEPSImage(QString filename)
{
    QWidget * w = getWidget();
    if (!w)
        return;
    if(filename.isEmpty()) {
        if (isAnimating())
            stopAnimating();
        filename = QFileDialog::getSaveFileName(w, "Select output file",
                (m_d->lastEPSFile.isEmpty()?VP1Settings::defaultFileSelectDirectory():m_d->lastEPSFile),
                "Encapsulated Postscript files (*.eps)",0,QFileDialog::DontResolveSymlinks);
        if(filename.isEmpty())
            return;
        if (!filename.endsWith(".eps"))
            filename += ".eps";
        m_d->lastEPSFile=filename;
    }
 
    VP1Msg::messageVerbose("Attempting to produce eps output: "+filename);
 
    //The following code contributed by Laurent Duflot:
 
    // first method : direct calls to gl2ps
    if (FILE *output = fopen (filename.toStdString().c_str(), "w"))
    {
        int buffsize = 0, state = GL2PS_OVERFLOW;
        while (state == GL2PS_OVERFLOW)
        {
            buffsize += 1024*1024;
            gl2psBeginPage ("VP1"/*fixme: should contain run/evt number*/, "VP1", NULL,
                    GL2PS_EPS, GL2PS_BSP_SORT,
                    GL2PS_USE_CURRENT_VIEWPORT
                    | GL2PS_SILENT
                    | GL2PS_BEST_ROOT | GL2PS_OCCLUSION_CULL
                    | GL2PS_DRAW_BACKGROUND
                    | 0,
                    GL_RGBA, 0, NULL,0, 0, 0,
                    buffsize, output, NULL);
            actualRedraw();
            state = gl2psEndPage();
        }
        fclose (output);
    }
}
 
//____________________________________________________________________
void VP1ExaminerViewer::setAmbientLight(int a)
{
    VP1Msg::messageVerbose("setAmbientLight()");
 
    a = std::max(0,std::min(100,a));
    if (m_d->ambientLightPercentage==a)
        return;
    m_d->ambientLightPercentage = a;
    m_d->updateAmbientLightText();
    m_d->updateEnvironmentNode();
}
 
//____________________________________________________________________
int VP1ExaminerViewer::ambientLight() const
{
    return m_d->ambientLightPercentage;
}
 
//____________________________________________________________________
void VP1ExaminerViewer::showPopupMenu()
{
    VP1Msg::messageVerbose("VP1ExaminerViewer: Showing popup menu.");
    if (!m_d->ensureMenuInit())
        return;
    m_d->updatePopupMenuStates();
 
    //Execute
    QAction * selAct = m_d->popup_menu->exec(QCursor::pos());
 
    //Act on selection:
    if (!selAct) {
        VP1Msg::messageVerbose("     => No selection.");
        return;
    }
    if ( selAct == m_d->popup_bgdColAction ) {
        VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu Change background colour.");
        if (isAnimating())
            stopAnimating();
        QColor oldcol = VP1QtInventorUtils::sbcol2qcol(getBackgroundColor());
        QColor col = QColorDialog::getColor(oldcol, getWidget());
        if (col!=oldcol)
            setBackgroundColor(VP1QtInventorUtils::qcol2sbcol(col));
        return;
    }
    if ( selAct == m_d->popup_ambientLightAction ) {
        VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu ambient light editor triggered");
        bool ok;
        // int newamb = QInputDialog::getInteger(getWidget(), "Change ambient light",
        int newamb = QInputDialog::getInt(getWidget(), "Change ambient light",
                "New ambient light percentage:",
                ambientLight(),0,100,1,&ok);
        if (ok)
            setAmbientLight(newamb);
        return;
    }
    if ( selAct == m_d->popup_headLightAction ) {
        VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu head light changed to "+VP1Msg::str(m_d->popup_headLightAction->isChecked()));
        setHeadlight(m_d->popup_headLightAction->isChecked());
        return;
    }
    if ( selAct == m_d->popup_hidedecorationsaction ) {
        VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu hide controls changed to "+VP1Msg::str(m_d->popup_hidedecorationsaction->isChecked()));
        setDecoration(! m_d->popup_hidedecorationsaction->isChecked());
        return;
    }
    if ( selAct == m_d->popup_antiAliasAction ) {
        VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu anti aliasing changed to "+VP1Msg::str(m_d->popup_antiAliasAction->isChecked()));
        setAntiAlias(m_d->popup_antiAliasAction->isChecked());
        m_d->grabFocus();//Needed since the GL calls triggered when setting antialiasing makes us loose focus (we obviusly just had it).
        VP1Msg::messageVerbose("Anti-aliasing, done.");
        return;
    }
    if ( selAct == m_d->popup_dumpSceneAction ) {
        VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu Dump scene to an *.iv (OpenInventor) file");
        dumpSceneToFile();
        return;
    }
    if ( selAct == m_d->popup_dumpSceneVRMLAction ) {
        VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu Dump scene to a *.wrl (VRML) file");
        dumpSceneToVRMLFile();
        return;
    }
 
    if ( selAct == m_d->popup_toSVGAction ) {
        VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu Produce SVG image");
        produceSVGImage();
        return;
    }
 
    if ( selAct == m_d->popup_toEPSAction ) {
        VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu Produce EPS image");
        produceEPSImage();
        return;
    }
 
    if ( selAct == m_d->popup_resetCameraAction ) {
        VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu Reset camera");
        resetCamera();
        return;
    }
    if (m_d->popup_drawstyle_still_actions.contains(selAct)) {
        SoQtViewer::DrawStyle ds = Imp::intToViewerDrawStyle(selAct->data().toInt());
        if (VP1Msg::verbose())
            VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu still draw style selected: "
                    +Imp::viewerDrawStyle2PrettyString(ds));
        if (ds!=getDrawStyle(STILL))
            setDrawStyle(STILL,ds);
        return;
    }
    if (m_d->popup_drawstyle_interactive_actions.contains(selAct)) {
        SoQtViewer::DrawStyle ds = Imp::intToViewerDrawStyle(selAct->data().toInt());
        if (VP1Msg::verbose())
            VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu interactive draw style selected: "
                    +Imp::viewerDrawStyle2PrettyString(ds));
        if (ds!=getDrawStyle(INTERACTIVE))
            setDrawStyle(INTERACTIVE,ds);
        return;
    }
    if (m_d->popup_transptype_actions.contains(selAct)) {
        SoGLRenderAction::TransparencyType type = VP1QtInventorUtils::intToTransparencyType(selAct->data().toInt());
        if (VP1Msg::verbose())
            VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu transparency type selected: "
                    +VP1QtInventorUtils::transparencyType2PrettyString(type));
        setTransparencyType(type);
        return;
    }
 
    if (m_d->storeViewActions.contains(selAct)) {
        QString name = selAct->data().toString();
        VP1Msg::messageVerbose("Storing current view as "+name);
 
        bool camPerspective = currentCamIsPerspective();
        QByteArray camState = currentCameraState();
        QPixmap snapShot = VP1QtInventorUtils::renderToPixmap(this, 40, 40,false);
 
        Imp::StoredView sv(camState, camPerspective, snapShot, name);
        //Remove old stored views with that name (if any)
        int i(0);
        bool replaced(false);
        for(const Imp::StoredView & oldsv : m_d->storedViews) {
            if (oldsv.name()==name) {
                m_d->storedViews.replace(i,sv);
                replaced = true;
                break;
            }
            ++i;
        }
        if (!replaced)
            m_d->storedViews << sv;
        m_d->storedViewsChanged();
        return;
    }
 
    if (m_d->zoomToViewActions.contains(selAct)) {
        QString name = selAct->data().toString();
        SoGroup * root = dynamic_cast<SoGroup*>(getSceneGraph());
        SoCamera * camera = getCamera();
        if (root&&camera) {
            for(const Imp::StoredView & sv : m_d->storedViews) {
                if (sv.name()==name) {
                    if (isAnimating())
                        stopAnimating();
                    VP1CameraHelper::animatedZoomToCameraState( camera,root,sv.camState(),1.5, 100.0, 100.0, true );
                    break;
                }
            }
        } else {
            VP1Msg::messageDebug("VP1CameraHelper Error: Attempting to zoom"
                    " to stored view, but can't get root and camera pointers");
        }
        return;
    }
 
 
 
    if (m_d->restoreViewActions.contains(selAct)) {
        QString name = selAct->data().toString();
        SoGroup * root = dynamic_cast<SoGroup*>(getSceneGraph());
        SoCamera * camera = getCamera();
        if (root&&camera) {
            for(const Imp::StoredView & sv : m_d->storedViews) {
                if (sv.name()==name) {
                    if (!m_d->fitsCurrentCamType(sv))
                        toggleCameraType();
                    if (isAnimating())
                        stopAnimating();
                    QByteArray ba = sv.camState();
                    VP1QtInventorUtils::deserializeSoCameraParameters(ba,*(getCamera()));
                    break;
                }
            }
        } else {
            VP1Msg::messageDebug("VP1CameraHelper Error: Attempting to zoom"
                    " to stored view, but can't get root and camera pointers");
        }
        return;
 
    }
 
    if (m_d->deleteViewActions.contains(selAct)) {
        QString name = selAct->data().toString();
        int i(0);
        for(const Imp::StoredView & sv : m_d->storedViews) {
            if (sv.name()==name) {
                m_d->storedViews.removeAt(i);
                break;
            }
            ++i;
        }
        m_d->storedViewsChanged();
        return;
    }
 
    if (selAct==m_d->customtour_launcheditor) {
        VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu Launch custom tour editor.");
        if (!m_d->customtoureditor) {
            m_d->customtoureditor = new VP1CustomTourEditor(this);
            QObject::connect(&(m_d->animationSequencer),SIGNAL(clipVolumePercentOfATLAS(double)),m_d->customtoureditor,SLOT(setClipVolumePercentOfATLAS(double)));
      VP1Controller::setCustomTourEditor(m_d->customtoureditor);
            m_d->customtoureditor->disableObjectWhenTourNotAvailable(m_d->customtour_execute);
            if (m_d->customtoureditorState!=QByteArray()) {
                m_d->customtoureditor->setState(m_d->customtoureditorState);
                m_d->customtoureditorState = QByteArray();
            }
        }
        m_d->customtoureditor->show();
        //Fixme: deal with minimised state!
        return;
    }
 
    if (selAct==m_d->customtour_execute) {
        VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu Execute custom tour.");
        startCustomTour();
        return;
    }
 
    if (selAct==m_d->action_movieenabled) {
        VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu movie enabled changed.");
        m_d->updateMovieMenuVisuals();
        return;
    }
    if (selAct==m_d->action_moviewidth) {
        int old = m_d->action_moviewidth->data().toInt();
        bool ok;
        // int newwidth = QInputDialog::getInteger(getWidget(), "Change movie width",
        int newwidth = QInputDialog::getInt(getWidget(), "Change movie width",
                "New movie width:", old,1,4000,1,&ok);
        if (ok&&old!=newwidth) {
            VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu changed movie width to "+VP1Msg::str(newwidth));
            m_d->action_moviewidth->setData(newwidth);
            m_d->updateMovieMenuVisuals();
        }
        return;
    }
    if (selAct==m_d->action_movieheight) {
        int old = m_d->action_movieheight->data().toInt();
        bool ok;
        // int newheight = QInputDialog::getInteger(getWidget(), "Change movie height",
        int newheight = QInputDialog::getInt(getWidget(), "Change movie height",
                "New movie height:", old,1,4000,1,&ok);
        if (ok&&old!=newheight) {
            VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu changed movie height to "+VP1Msg::str(newheight));
            m_d->action_movieheight->setData(newheight);
            m_d->updateMovieMenuVisuals();
        }
        return;
    }
    if (selAct==m_d->action_moviefps) {
        int old = m_d->action_moviefps->data().toInt();
        bool ok;
        // int newfps = QInputDialog::getInteger(getWidget(), "Change movie FPS",
        int newfps = QInputDialog::getInt(getWidget(), "Change movie FPS",
                "New movie frames per second:", old,1,4000,1,&ok);
        if (ok&&old!=newfps) {
            VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu changed movie fps to "+VP1Msg::str(newfps));
            m_d->action_moviefps->setData(newfps);
            m_d->updateMovieMenuVisuals();
        }
        return;
    }
    if (selAct==m_d->action_movieoutdir) {
        QString old = m_d->action_movieoutdir->data().toString();
        QString newoutdir = QFileDialog::getExistingDirectory ( getWidget(), "Select movie frame output directory",old);
        if (!newoutdir.isEmpty()&&old!=newoutdir) {
            VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu changed movie outdir to "+VP1Msg::str(newoutdir));
            m_d->action_movieoutdir->setData(newoutdir);
            m_d->updateMovieMenuVisuals();
        }
        return;
    }
    if (selAct==m_d->action_moviefadetocurrentview) {
        fadeLastRecordedFrameToCurrent(1.0);
        return;
    }
 
    if (selAct==m_d->popup_tourReturnToStartAction
            ||selAct==m_d->popup_tourStartEachEvent
            ||selAct==m_d->popup_tourSpeedVerySlow
            ||selAct==m_d->popup_tourSpeedSlow
            ||selAct==m_d->popup_tourSpeedMedium
            ||selAct==m_d->popup_tourSpeedFast
            ||selAct==m_d->popup_tourSpeedVeryFast
            ||selAct==m_d->popup_tourPartsVertex
            ||selAct==m_d->popup_tourPartsInDet
            ||selAct==m_d->popup_tourPartsCalo
            ||selAct==m_d->popup_tourPartsMuon
            ||selAct==m_d->popup_tourLoopOnce
            ||selAct==m_d->popup_tourLoopTwice
            ||selAct==m_d->popup_tourLoopThrice
            ||selAct==m_d->popup_tourLoopForever) {
        VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu tour setting changed.");
        return;
    }
    if (selAct==m_d->popup_tourExecute) {
        VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu Tour Execute selected => starting tour.");
        startTour();
        return;
    }
 
 
    // stereo view actions
 
 
    if (selAct==m_d->stereo_launcheditor) {
            VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu Launch custom STEREO editor.");
            if (!m_d->customstereoeditor) {
                m_d->customstereoeditor = new VP1CustomStereoEditor(this);
//              m_d->customstereoeditor->disableObjectWhenTourNotAvailable(m_d->customtour_execute);
//              if (m_d->customstereoeditorState!=QByteArray()) { //TODO: implement save stereo settings
//                  m_d->customstereoeditor->setState(m_d->customstereoeditorState);
//                  m_d->customstereoeditorState = QByteArray();
//              }
            }
            m_d->customstereoeditor->show();
            //Fixme: deal with minimised state!
            return;
        }
 
// N.B.!! --> those separate actions below are not needed anymore,
//            because we introduced the stereo editor window
 
//  if (m_d->popup_stereo_offset_actions.contains(selAct)) {
//
//      float old = m_d->stereo_offset_value; //->data().toFloat();
//
//      // new value
//      float offset = selAct->data().toFloat();
//
//      int newoffset = offset;
//      if (old != newoffset) {
//          VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu stereo offset selected: "
//                  +VP1Msg::str(newoffset));
//          m_d->stereo_offset_value = newoffset;
//      }
//
//      setStereoOffsetSlot(offset);
//      return;
//  }
//
//  if (selAct==m_d->popup_stereo_offset_value_action) {
//
//          float old = m_d->popup_stereo_offset_value_action->data().toFloat();
//          bool ok;
//          int newoffset = QInputDialog::getDouble(getWidget(), "Change stereo OFFSET - 0.1 is the standard offset between left and right eye",
//                  "New stereo offset: ", old,0.1,4000,1,&ok);
//          if (ok && old != newoffset) {
//              VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu changed stereo offset to "+VP1Msg::str(newoffset));
//              m_d->popup_stereo_offset_value_action->setData(newoffset);
//              setStereoOffsetSlot(newoffset);
//              m_d->popup_stereo_offset_value_action->setText("Change STEREO offset [current: "+QString::number(newoffset)+"]");
//          }
//          return;
//      }
//
    if (selAct==m_d->popup_focal_value_action) {
 
        //      float old = m_d->popup_focal_value_action->data().toFloat();
        bool ok;
        SoPerspectiveCamera * camera = dynamic_cast<SoPerspectiveCamera*>(getCamera());
        if (! (camera==NULL) ) {
            float current_value = camera->focalDistance.getValue();
            int newfocal = QInputDialog::getDouble(getWidget(),
                    "Change focal length", // title
                    "New focal length: ", // label
                    current_value, // initial value
                    0.1, // min value
                    2147483647, // max value
                    1, // decimals
                    &ok);
            if (ok && current_value != newfocal) {
                VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu changed focal length to "+VP1Msg::str(newfocal));
                m_d->popup_focal_value_action->setData(newfocal);
                //          SoCamera *camera = getCamera();
                camera->focalDistance.setValue(newfocal);
                //          camera->heightAngle.setValue(newfocal);
                m_d->popup_focal_value_action->setText("Change FOCAL LENGTH value [current: "+QString::number(newfocal)+"]");
            }
        } else {
            VP1Msg::message("Warning! No 'camera'...");
        }
        return;
    }
//
//
//  if (m_d->popup_stereo_type_actions.contains(selAct)) {
//
//      SoQtViewer::StereoType type = m_d->intToViewerStereoType(selAct->data().toInt());
//
//      if (VP1Msg::verbose())
//          VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu stereo type selected: "
//                  +m_d->viewerStereoType2PrettyString(type));
//
//      setStereoTypeSlot(type);
//
//      // enable the relevant menus
//      if (type == SoQtViewer::STEREO_ANAGLYPH) {
//          m_d->stereo_set_anaglyph_menu->setEnabled(true);
//      } else {
//          m_d->stereo_set_anaglyph_menu->setEnabled(false);
//      }
//
//
//      return;
//  }
//  if (m_d->popup_stereo_anaglyph_actions.contains(selAct)) {
//
//      QString type = selAct->data().toString();
//
//      if (VP1Msg::verbose())
//          VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu stereo anaglyph selected: "
//                  +type);
//
//      // default values for normal Anaglyph red-cyan view
//      SbBool leftFilter[3] = {true, false, false};
//      SbBool rightFilter[3] = {false, true, true};
//
//      if (type.contains("Left-eye")) {
//          SbBool leftFilter[3] = {true, true, true};
//          SbBool rightFilter[3] = {false, false, false};
//          setAnaglyphStereoColorMasksSlot(leftFilter, rightFilter);
//      }
//      else if (type.contains("Right-eye")) {
//          SbBool leftFilter[3] = {false, false, false};
//          SbBool rightFilter[3] = {true, true, true};
//          setAnaglyphStereoColorMasksSlot(leftFilter, rightFilter);
//      }
//      else {
//          setAnaglyphStereoColorMasksSlot(leftFilter, rightFilter);
//      }
//      return;
//  }
//
//
//  // STEREO - Camera
//  if (selAct==m_d->popup_stereo_offset_value_action_camera) {
//
//      float old = m_d->popup_stereo_offset_value_action_camera->data().toFloat();
//      bool ok;
//      float newoffset = QInputDialog::getDouble(getWidget(), "Change stereo OFFSET (Camera) - 0.1 is the standard offset between left and right eye",
//              "New stereo offset: ", old,0.1,4000,1,&ok);
//      if (ok && old != newoffset) {
//          VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu changed CAMERA stereo offset to "+VP1Msg::str(newoffset));
//          m_d->popup_stereo_offset_value_action_camera->setData(newoffset);
//
//          SoCamera *camera = getCamera();
//          camera->setStereoAdjustment(newoffset);
//          m_d->popup_stereo_offset_value_action_camera->setText("Change CAMERA STEREO offset [current: "+QString::number(newoffset)+"]");
//      }
//      return;
//  }
//  if (selAct==m_d->popup_stereo_balance_value_action_camera) {
//
//      float old = m_d->popup_stereo_balance_value_action_camera->data().toFloat();
//      bool ok;
//      float newoffset = QInputDialog::getDouble(getWidget(), "Change stereo OFFSET (Camera) - 0.1 is the standard offset between left and right eye",
//              "New stereo offset: ", old,0.1,4000,1,&ok);
//      if (ok && old != newoffset) {
//          VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu changed CAMERA stereo offset to "+VP1Msg::str(newoffset));
//          m_d->popup_stereo_balance_value_action_camera->setData(newoffset);
//
//          SoCamera *camera = getCamera();
//          camera->setBalanceAdjustment(newoffset);
//          m_d->popup_stereo_balance_value_action_camera->setText("Change CAMERA STEREO balance [current: "+QString::number(newoffset)+"]");
//      }
//      return;
//  }
//
//
//  if (m_d->popup_stereo_anaglyph_actions_camera.contains(selAct)) {
//
//          QString type = selAct->data().toString();
//
//          if (VP1Msg::verbose())
//              VP1Msg::messageVerbose("VP1ExaminerViewer::showPopupMenu CAMERA stereo view mode selected: "
//                      +type);
//
//          SoCamera *camera = getCamera();
//
//          if (type.contains("Left-eye")) {
//              camera->setStereoMode(SoCamera::LEFT_VIEW);
//          }
//          else if (type.contains("Right-eye")) {
//              camera->setStereoMode(SoCamera::RIGHT_VIEW);
//          }
//          else {
//              camera->setStereoMode(SoCamera::MONOSCOPIC);
//          }
//          return;
//      }
 
 
 
 
    // default
    VP1Msg::messageDebug("VP1ExaminerViewer::showPopupMenu ERROR: Unknown selected item!");
    return;
 
}
 
 
//____________________________________________________________________
void VP1ExaminerViewer::launchStereoEditor()
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::launchStereoEditor()");
 
    if (!m_d->customstereoeditor) {
        m_d->customstereoeditor = new VP1CustomStereoEditor(this);
        //              m_d->customstereoeditor->disableObjectWhenTourNotAvailable(m_d->customtour_execute);
        //              if (m_d->customstereoeditorState!=QByteArray()) { //TODO: implement save stereo settings
        //                  m_d->customstereoeditor->setState(m_d->customstereoeditorState);
        //                  m_d->customstereoeditorState = QByteArray();
        //              }
    }
    m_d->customstereoeditor->show();
    //Fixme: deal with minimised state!
    return;
}
 
 
//____________________________________________________________________
QList<SoQtViewer::StereoType> VP1ExaminerViewer::Imp::getAllStereoViewTypes()
{
    VP1Msg::messageVerbose("getAllStereoViewTypes()");
    QList<SoQtViewer::StereoType> l;
 
    // for the moment we only use these two
    l << SoQtViewer::STEREO_NONE; //Use monoscopic rendering.
    l<< SoQtViewer::STEREO_ANAGLYPH; //Render stereo by superimposing two images of the same scene, but with different color filters over the left and right view (or "eye").
                                    //This is a way of rendering stereo which works on any display, using color-filter glasses. Such glasses are usually cheap and easy to come by.
                                    //See also: setAnaglyphStereoColorMasks()
 
    // test
    l << SoQtViewer::STEREO_QUADBUFFER; //Render stereo by using OpenGL quad-buffers. This is the most common interface for stereo rendering for more expensive hardware devices, such as shutter glasses and polarized glasses.
                                        //The well known Crystal Eyes glasses are commonly used with this type of stereo display.
    l << SoQtViewer::STEREO_INTERLEAVED_ROWS; //Interleaving / interlacing rows from the left and right eye is another stereo rendering method requiring special hardware. One example of a provider of shutter glasses working with interleaved glasses is VRex:
                                                //http://www.vrex.com/
    l << SoQtViewer::STEREO_INTERLEAVED_COLUMNS; //Same basic technique as SoQtViewer::STEREO_INTERLEAVED_ROWS, only it is vertical lines that are interleaved / interlaced, instead of horizontal lines.
 
    return l;
}
//____________________________________________________________________
QString VP1ExaminerViewer::Imp::viewerStereoType2PrettyString( SoQtViewer::StereoType ds )
{
    VP1Msg::messageVerbose("viewerStereoType2PrettyString() - "+QString::number(ds) );
    switch (ds) {
    case SoQtViewer::STEREO_NONE: return "NO Stereo";
    case SoQtViewer::STEREO_ANAGLYPH: return "Anaglyph Stereo (Red-Cyan 3D mode)";
    case SoQtViewer::STEREO_QUADBUFFER: return "QUADBUFFER";
    case SoQtViewer::STEREO_INTERLEAVED_ROWS: return "INTERLEAVED_ROWS";
    case SoQtViewer::STEREO_INTERLEAVED_COLUMNS: return "INTERLEAVED_COLUMNS";
    default:
        VP1Msg::messageDebug("VP1ExaminerViewer::Imp::viewerStereoType2PrettyString ERROR: Unknown viewer draw style");
        return "x";
    }
}
//____________________________________________________________________
int VP1ExaminerViewer::Imp::viewerStereoTypeToInt( SoQtViewer::StereoType ds )
{
    switch (ds) {
    case SoQtViewer::STEREO_NONE: return 0;
    case SoQtViewer::STEREO_ANAGLYPH: return 1;
    case SoQtViewer::STEREO_QUADBUFFER: return 2;
    case SoQtViewer::STEREO_INTERLEAVED_ROWS: return 3;
    case SoQtViewer::STEREO_INTERLEAVED_COLUMNS: return 4;
    default:
        VP1Msg::messageDebug("VP1ExaminerViewer::Imp::viewerStereoTypeToInt ERROR: Unknown viewer draw style");
        return -1;
    }
}
//____________________________________________________________________
SoQtViewer::StereoType VP1ExaminerViewer::Imp::intToViewerStereoType( int i )
{
    VP1Msg::messageVerbose("intToViewerStereoType() - "+QString::number(i) );
    switch (i) {
    case 0: return SoQtViewer::STEREO_NONE;
    case 1: return SoQtViewer::STEREO_ANAGLYPH;
    case 2: return SoQtViewer::STEREO_QUADBUFFER;
    case 3: return SoQtViewer::STEREO_INTERLEAVED_ROWS;
    case 4: return SoQtViewer::STEREO_INTERLEAVED_COLUMNS;
    default:
        VP1Msg::messageDebug("VP1ExaminerViewer::Imp::intToViewerStereoType ERROR: int out of range "+VP1Msg::str(i));
        return SoQtViewer::STEREO_NONE;
    }
}
 
 
 
 
//____________________________________________________________________
QList<SoQtViewer::DrawStyle> VP1ExaminerViewer::Imp::getAllViewerDrawStyles()
{
    VP1Msg::messageVerbose("getAllViewerDrawStyles()");
 
    QList<SoQtViewer::DrawStyle> l;
    l << SoQtViewer::VIEW_SAME_AS_STILL
            << SoQtViewer::VIEW_AS_IS
            << SoQtViewer::VIEW_HIDDEN_LINE
            << SoQtViewer::VIEW_NO_TEXTURE
            << SoQtViewer::VIEW_LOW_COMPLEXITY
            << SoQtViewer::VIEW_LINE
            << SoQtViewer::VIEW_POINT
            << SoQtViewer::VIEW_BBOX
            << SoQtViewer::VIEW_LOW_RES_LINE
            << SoQtViewer::VIEW_LOW_RES_POINT
            << SoQtViewer::VIEW_WIREFRAME_OVERLAY;
    return l;
}
 
//____________________________________________________________________
int VP1ExaminerViewer::Imp::viewerDrawStyleToInt( SoQtViewer::DrawStyle ds )
{
    switch (ds) {
    case SoQtViewer::VIEW_AS_IS: return 0;
    case SoQtViewer::VIEW_HIDDEN_LINE: return 1;
    case SoQtViewer::VIEW_NO_TEXTURE: return 2;
    case SoQtViewer::VIEW_LOW_COMPLEXITY: return 3;
    case SoQtViewer::VIEW_LINE: return 4;
    case SoQtViewer::VIEW_POINT: return 5;
    case SoQtViewer::VIEW_BBOX: return 6;
    case SoQtViewer::VIEW_LOW_RES_LINE: return 7;
    case SoQtViewer::VIEW_LOW_RES_POINT: return 8;
    case SoQtViewer::VIEW_SAME_AS_STILL: return 9;
    case SoQtViewer::VIEW_WIREFRAME_OVERLAY: return 10;
    default:
        VP1Msg::messageDebug("VP1ExaminerViewer::Imp::viewerDrawStyleToInt ERROR: Unknown viewer draw style");
        return -1;
    }
}
 
//____________________________________________________________________
SoQtViewer::DrawStyle VP1ExaminerViewer::Imp::intToViewerDrawStyle( int i )
{
    switch (i) {
    case 0: return SoQtViewer::VIEW_AS_IS;
    case 1: return SoQtViewer::VIEW_HIDDEN_LINE;
    case 2: return SoQtViewer::VIEW_NO_TEXTURE;
    case 3: return SoQtViewer::VIEW_LOW_COMPLEXITY;
    case 4: return SoQtViewer::VIEW_LINE;
    case 5: return SoQtViewer::VIEW_POINT;
    case 6: return SoQtViewer::VIEW_BBOX;
    case 7: return SoQtViewer::VIEW_LOW_RES_LINE;
    case 8: return SoQtViewer::VIEW_LOW_RES_POINT;
    case 9: return SoQtViewer::VIEW_SAME_AS_STILL;
    case 10: return SoQtViewer::VIEW_WIREFRAME_OVERLAY;
    default:
        VP1Msg::messageDebug("VP1ExaminerViewer::Imp::intToViewerDrawStyle ERROR: int out of range "+VP1Msg::str(i));
        return SoQtViewer::VIEW_AS_IS;
    }
}
 
//____________________________________________________________________
QString VP1ExaminerViewer::Imp::viewerDrawStyle2PrettyString( SoQtViewer::DrawStyle ds )
{
    switch (ds) {
    case SoQtViewer::VIEW_AS_IS: return "As is";
    case SoQtViewer::VIEW_HIDDEN_LINE: return "Hidden line";
    case SoQtViewer::VIEW_NO_TEXTURE: return "No texture";
    case SoQtViewer::VIEW_LOW_COMPLEXITY: return "Low complexity";
    case SoQtViewer::VIEW_LINE: return "Line";
    case SoQtViewer::VIEW_POINT: return "Point";
    case SoQtViewer::VIEW_BBOX: return "Bounding boxes";
    case SoQtViewer::VIEW_LOW_RES_LINE: return "Low resolution lines";
    case SoQtViewer::VIEW_LOW_RES_POINT: return "Low resolution points";
    case SoQtViewer::VIEW_SAME_AS_STILL: return "Same as still";
    case SoQtViewer::VIEW_WIREFRAME_OVERLAY: return "Wireframe overlay";
    default:
        VP1Msg::messageDebug("VP1ExaminerViewer::Imp::viewerDrawStyleToInt ERROR: Unknown viewer draw style");
        return "";
    }
}
 
//____________________________________________________________________
void VP1ExaminerViewer::setSceneGraph(SoNode *n)
{
    VP1Msg::messageVerbose("VP1ExaminerViewer::setSceneGraph()");
 
    if (!m_d->actualSceneGraph) {
        m_d->actualSceneGraph = new SoGroup;
        m_d->actualSceneGraph->ref();
        if (!m_d->environmentNode) {
            m_d->environmentNode = new SoEnvironment;
            m_d->environmentNode->ref();
        }
        m_d->updateEnvironmentNode();
        m_d->actualSceneGraph->addChild(m_d->environmentNode);
        SoQtExaminerViewer::setSceneGraph(m_d->actualSceneGraph);
    }
    while(m_d->actualSceneGraph->getNumChildren()>1)
        m_d->actualSceneGraph->removeChild(1);
 
    if (n)
        m_d->actualSceneGraph->addChild(n);
}
 
//____________________________________________________________________
SoNode* VP1ExaminerViewer::getSceneGraph()
{
    return (m_d->actualSceneGraph && m_d->actualSceneGraph->getNumChildren()>1) ? m_d->actualSceneGraph->getChild(1) : 0;
}
 
//____________________________________________________________________
void VP1ExaminerViewer::fadeLastRecordedFrameToCurrent(double time_seconds)
{
    if (!m_d->ensureMenuInit())
        return;
    QString lastfile, nextfile;
    QString outdir = m_d->action_movieoutdir->data().toString();
    VP1CameraHelper::getLastAndNextFrameFileNames( outdir,
            m_d->movieFrameFileNamePrefix,
            lastfile, nextfile );
 
    QImage img0(lastfile);
 
    if (lastfile.isEmpty()||img0.isNull()) {
        VP1Msg::messageDebug("VP1ExaminerViewer ERROR: No previous image found!");
        return;
    }
    if (nextfile.isEmpty())
        return;
 
    QImage img1 = VP1QtInventorUtils::renderToImage(this, img0.width(),img0.height(),false/*transp*/);
    if (img1.isNull())
        return;
 
    int nTransitionFrames = std::max(1,static_cast<int>(m_d->action_moviefps->data().toInt()*time_seconds+0.5));
    VP1Msg::messageDebug("VP1ExaminerViewer Creating "+VP1Msg::str(nTransitionFrames)+" transition frames");
 
    for (int i = 0; i < nTransitionFrames; ++i) {
        double fadefact((i+1.0)/(nTransitionFrames+1.0));//Should not be 0.0 or 1.0
        QString dummy, filename;
        VP1CameraHelper::getLastAndNextFrameFileNames( outdir, m_d->movieFrameFileNamePrefix,dummy,filename );
        QImage img = VP1QtUtils::fadeImage(img0, img1, fadefact );
        if (img.isNull()) {
            VP1Msg::messageDebug("VP1ExaminerViewer ERROR: Problems creating image!");
        } else {
            if (!img.save(filename))
                VP1Msg::messageDebug("VP1ExaminerViewer ERROR: Could not save image file "+filename);
        }
    }
 
    QString dummy, filename;
    VP1CameraHelper::getLastAndNextFrameFileNames( outdir, m_d->movieFrameFileNamePrefix,dummy,filename );
    if (!img1.save(filename))
        VP1Msg::messageDebug("VP1ExaminerViewer ERROR: Could not save image file "+filename);
 
}