VP1CameraHelper Class Reference

#include <VP1CameraHelper.h>

Inheritance diagram for VP1CameraHelper:

Collaboration diagram for VP1CameraHelper:

Classes
class	Imp

Signals
void	animationFinished ()
void	animationFinishedAbnormally ()
void	clipVolumePercentageOfATLAS (double)

Public Member Functions
void	setOutputImagesMode (VP1ExaminerViewer *ra, const QString &outputdir, int width=1024, int height=768, double fps=24, const QString &prefix="vp1_frame")
void	forceAbort ()

Static Public Member Functions
static void	abortAnyCurrentZoom (SoCamera *camera)
static VP1CameraHelper *	animatedZoomToCameraState (SoCamera *camera, SoGroup *sceneroot, const QByteArray &camstate, double duration_in_secs=1.0, double clipVolPercent=100.0, double lastClipVolPercent=100.0, bool varySpeed=true, bool forceCircular=false)
static VP1CameraHelper *	animatedZoomToPoint (SoCamera *camera, SoGroup *sceneroot, SbVec3f, double duration_in_secs=1.0, double clipVolPercent=100.0, bool varySpeed=true, bool forceCircular=false)
static VP1CameraHelper *	animatedZoomToPath (SoCamera *camera, SoGroup *sceneroot, SoPath *path, double duration_in_secs=1.0, double clipVolPercent=100.0, double slack=1.0, const SbVec3f &lookat=SbVec3f(999, 999, 999), const SbVec3f &upvec=SbVec3f(999, 999, 999), bool varySpeed=true, bool forceCircular=false)
static VP1CameraHelper *	animatedZoomToBBox (SoCamera *camera, SoGroup *sceneroot, const SbBox3f &box, double duration_in_secs=1.0, double clipVolPercent=100.0, double slack=1.0, const SbVec3f &lookat=SbVec3f(999, 999, 999), const SbVec3f &upvec=SbVec3f(999, 999, 999), bool varySpeed=true, bool forceCircular=false)
static VP1CameraHelper *	animatedZoomToSubTree (SoCamera *camera, SoGroup *sceneroot, SoNode *subtreeroot, double duration_in_secs=1.0, double clipVolPercent=100.0, double lastClipVolPercent=100.0, double slack=1.0, const SbVec3f &lookat=SbVec3f(999, 999, 999), const SbVec3f &upvec=SbVec3f(999, 999, 999), bool varySpeed=true, bool forceCircular=false)
static void	getLastAndNextFrameFileNames (const QString &outputdir, const QString &prefix, QString &lastOfExistingFiles, QString &nextAvailableFile)

Private Member Functions
	VP1CameraHelper (SoCamera *, SoGroup *)
virtual	~VP1CameraHelper ()

Private Attributes
Imp *	m_d

Detailed Description

Definition at line 31 of file VP1CameraHelper.h.

Constructor & Destructor Documentation

VP1CameraHelper()

VP1CameraHelper::VP1CameraHelper ( SoCamera * camera, SoGroup * sceneroot )

private

Definition at line 202 of file VP1CameraHelper.cxx.

  : QObject(0), m_d(new Imp)
{
  m_d->theclass=this;
  m_d->camera=camera;
  m_d->forceCircular = false;
  if (camera) {
    std::map<SoCamera*,VP1CameraHelper*>::iterator it = Imp::helpers.find(camera);
    if (it!=Imp::helpers.end())
      it->second->forceAbort();
    Imp::helpers[camera] = this;
  }
  m_d->sceneroot=sceneroot;
 
  m_d->fps=-1;
  m_d->ntotframes = -1;
  m_d->width = 100;
  m_d->height = 100;
  m_d->iframe = -1;
  m_d->renderArea = 0;
 
  m_d->seekdistance = 50.0f;
  m_d->seekdistanceabs = FALSE;
  m_d->seektopoint = TRUE;
  m_d->seekperiod = 2.0f;
  m_d->inseekmode = FALSE;
  m_d->seeksensor = new SoTimerSensor(Imp::seeksensorCB, m_d);
 
  m_d->searchaction = new SoSearchAction;
  m_d->matrixaction = new SoGetMatrixAction(SbViewportRegion(100,100));
 
  m_d->camera->ref();
  m_d->sceneroot->ref();
  m_d->camera_ref=m_d->camera->getRefCount();
  m_d->instance_invalid = false;
 
  if (!camera||!sceneroot)
    m_d->instance_invalid=true;
 
}

Member Function Documentation

abortAnyCurrentZoom()

void VP1CameraHelper::abortAnyCurrentZoom ( SoCamera * camera )

static

Definition at line 265 of file VP1CameraHelper.cxx.

{
  std::map<SoCamera*,VP1CameraHelper*>::iterator it = Imp::helpers.find(camera);
  VP1CameraHelper* helper(0);
  if (it!=Imp::helpers.end()) {
    helper = it->second;
  }
  if (helper)
    helper->forceAbort();
}

animatedZoomToBBox()

VP1CameraHelper * VP1CameraHelper::animatedZoomToBBox ( SoCamera * camera, SoGroup * sceneroot, const SbBox3f & box, double duration_in_secs = 1.0, double clipVolPercent = 100.0, double slack = 1.0, const SbVec3f & lookat = SbVec3f(999,999,999), const SbVec3f & upvec = SbVec3f(999,999,999), bool varySpeed = true, bool forceCircular = false )

static

Definition at line 460 of file VP1CameraHelper.cxx.

{
  
  VP1CameraHelper * helper = new VP1CameraHelper(camera,sceneroot);
  helper->m_d->actual_animatedZoomToBBox( box,duration_in_secs,slack,lookat,upvec );
  helper->m_d->varySpeed=varySpeed;
  helper->m_d->forceCircular = forceCircular;
  return helper;
}

animatedZoomToCameraState()

VP1CameraHelper * VP1CameraHelper::animatedZoomToCameraState ( SoCamera * camera, SoGroup * sceneroot, const QByteArray & camstate, double duration_in_secs = 1.0, double clipVolPercent = 100.0, double lastClipVolPercent = 100.0, bool varySpeed = true, bool forceCircular = false )

static

Definition at line 301 of file VP1CameraHelper.cxx.

{
  // std::cout<<"VP1CameraHelper::animatedZoomToCameraState - clipVol%="<<clipVolPercent<<" lastClipVolPercent"<<lastClipVolPercent<<std::endl;
  // std::cout<<"clipVol_lastPercentage%="<<d->clipVol_lastPercentage<<", clipVol_percentage%="<<d->clipVol_percentage
  //   <<", clipVol_startPercentage%="<<d->clipVol_startPercentage<<", clipVol_endPercentage%="<<d->clipVol_endPercentage<<std::endl;
  VP1CameraHelper * helper = new VP1CameraHelper(camera,sceneroot);
  helper->m_d->actual_animatedZoomToCameraState( camstate,duration_in_secs );
  helper->m_d->varySpeed=varySpeed;
  helper->m_d->clipVol_startPercentage=lastClipVolPercent;
  helper->m_d->clipVol_percentage=lastClipVolPercent;
  helper->m_d->clipVol_endPercentage=clipVolPercent;
  helper->m_d->forceCircular = forceCircular;
  return helper;
}

animatedZoomToPath()

VP1CameraHelper * VP1CameraHelper::animatedZoomToPath ( SoCamera * camera, SoGroup * sceneroot, SoPath * path, double duration_in_secs = 1.0, double clipVolPercent = 100.0, double slack = 1.0, const SbVec3f & lookat = SbVec3f(999,999,999), const SbVec3f & upvec = SbVec3f(999,999,999), bool varySpeed = true, bool forceCircular = false )

static

Definition at line 371 of file VP1CameraHelper.cxx.

{  
  VP1CameraHelper * helper = new VP1CameraHelper(camera,sceneroot);
  helper->m_d->actual_animatedZoomToPath( path,duration_in_secs, slack, lookat, upvec );
  helper->m_d->varySpeed=varySpeed;
  helper->m_d->forceCircular = forceCircular;
  return helper;
}

animatedZoomToPoint()

VP1CameraHelper * VP1CameraHelper::animatedZoomToPoint ( SoCamera * camera, SoGroup * sceneroot, SbVec3f targetpoint, double duration_in_secs = 1.0, double clipVolPercent = 100.0, bool varySpeed = true, bool forceCircular = false )

static

Definition at line 592 of file VP1CameraHelper.cxx.

{  
  VP1CameraHelper * helper = new VP1CameraHelper(camera,sceneroot);
  helper->m_d->actual_animatedZoomToPoint( targetpoint,duration_in_secs );
  helper->m_d->varySpeed=varySpeed;
  helper->m_d->forceCircular = forceCircular;
  return helper;
}

animatedZoomToSubTree()

VP1CameraHelper * VP1CameraHelper::animatedZoomToSubTree ( SoCamera * camera, SoGroup * sceneroot, SoNode * subtreeroot, double duration_in_secs = 1.0, double clipVolPercent = 100.0, double lastClipVolPercent = 100.0, double slack = 1.0, const SbVec3f & lookat = SbVec3f(999,999,999), const SbVec3f & upvec = SbVec3f(999,999,999), bool varySpeed = true, bool forceCircular = false )

static

Definition at line 413 of file VP1CameraHelper.cxx.

{  
  VP1CameraHelper * helper = new VP1CameraHelper(camera,sceneroot);
  helper->m_d->actual_animatedZoomToSubTree( subtreeroot,duration_in_secs,slack,lookat,upvec );
  helper->m_d->varySpeed=varySpeed;
  helper->m_d->forceCircular = forceCircular;
  return helper;
}

animationFinished

void VP1CameraHelper::animationFinished ( )

signal

animationFinishedAbnormally

void VP1CameraHelper::animationFinishedAbnormally ( )

signal

clipVolumePercentageOfATLAS

void VP1CameraHelper::clipVolumePercentageOfATLAS ( double )

signal

forceAbort()

void VP1CameraHelper::forceAbort

(

)

Definition at line 150 of file VP1CameraHelper.cxx.

{
  std::map<SoCamera*,VP1CameraHelper*>::iterator it = Imp::helpers.find(m_d->camera);
  if (it!=Imp::helpers.end())
    Imp::helpers.erase(it);
  m_d->instance_invalid = true;
  m_d->camera->unrefNoDelete();
  m_d->camera = 0;
}

getLastAndNextFrameFileNames()

void VP1CameraHelper::getLastAndNextFrameFileNames ( const QString & outputdir, const QString & prefix, QString & lastOfExistingFiles, QString & nextAvailableFile )

static

Definition at line 793 of file VP1CameraHelper.cxx.

{
  lastOfExistingFiles="";
  QString filename;
  int i(0);
  while (true) {
    filename=outputdir+"/"+prefix+"_"+QString::number(i++).rightJustified(6,'0')+".png";
    if (!QFile::exists(filename)) {
      nextAvailableFile=filename;
      return;
    }
    lastOfExistingFiles = filename;
  }
}

setOutputImagesMode()

void VP1CameraHelper::setOutputImagesMode	(	VP1ExaminerViewer *	ra,
		const QString &	outputdir,
		int	width = 1024,
		int	height = 768,
		double	fps = 24,
		const QString &	prefix = "vp1_frame" )

Definition at line 164 of file VP1CameraHelper.cxx.

{
  if (!ra) {
    VP1Msg::messageDebug("VP1CameraHelper::setOutputImagesMode ERROR: Bad input. Null render area.");
    return;
  }
  if (fps<1) {
    VP1Msg::messageDebug("VP1CameraHelper::setOutputImagesMode ERROR: Bad input. Bad FPS = "+QString::number(fps));
    return;
  }
  if (!QDir(outputdir).exists()) {
    VP1Msg::messageDebug("VP1CameraHelper::setOutputImagesMode ERROR: Bad input. Output dir "+outputdir+" does not exist.");
    return;
  }
  if (width<1||width>4000||height<1||height>4000) {
    VP1Msg::messageDebug("VP1CameraHelper::setOutputImagesMode ERROR: Bad input. Bad dimensions: "
             +QString::number(width)+"x"+QString::number(height));
    return;
  }
  if (prefix.isEmpty()) {
    VP1Msg::messageDebug("VP1CameraHelper::setOutputImagesMode ERROR: Bad input. Empty prefix.");
    return;
  }
  m_d->fps = fps;
  m_d->outputdir = outputdir;
  m_d->width = width;
  m_d->height = height;
  m_d->prefix = prefix;
  m_d->renderArea = ra;
}

~VP1CameraHelper()

VP1CameraHelper::~VP1CameraHelper ( )

privatevirtual

Definition at line 245 of file VP1CameraHelper.cxx.

{
  if (m_d->seeksensor->isScheduled())
    m_d->seeksensor->unschedule();
  delete m_d->seeksensor;
  m_d->searchaction->reset(); delete m_d->searchaction;
  delete m_d->matrixaction;
  SoCamera * cam = m_d->camera;
  if (m_d->sceneroot)
    m_d->sceneroot->unref();
  delete m_d; m_d=0;
  if (cam) {
    std::map<SoCamera*,VP1CameraHelper*>::iterator it = Imp::helpers.find(cam);
    if (it!=Imp::helpers.end())
      Imp::helpers.erase(it);
    cam->unref();
  }
}

Member Data Documentation

m_d

Imp* VP1CameraHelper::m_d

private

Definition at line 103 of file VP1CameraHelper.h.

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The documentation for this class was generated from the following files:

• VP1CameraHelper.h
• VP1CameraHelper.cxx