VP1CartesianGrid::Imp Class Reference

Collaboration diagram for VP1CartesianGrid::Imp:

Public Member Functions
	Imp (VP1CartesianGrid *, SoSeparator *attachsep)
void	rebuild3DObjects ()
void	updateColour ()

Public Attributes
VP1CartesianGrid *	theclass
SoSeparator *	attachSep
bool	shown
SbColor4f	colourAndTransp
double	extent
double	spacing
SoSeparator *	sep

Detailed Description

Definition at line 32 of file VP1CartesianGrid.cxx.

Constructor & Destructor Documentation

Imp()

VP1CartesianGrid::Imp::Imp	(	VP1CartesianGrid *	tc,
		SoSeparator *	attachsep
	)

Definition at line 68 of file VP1CartesianGrid.cxx.

  : theclass(tc), attachSep(as), shown(false),
    colourAndTransp(SbColor4f(1,1,1,1)),extent(10), spacing(1), sep(0)
{
  attachSep->ref();
}

Member Function Documentation

rebuild3DObjects()

void VP1CartesianGrid::Imp::rebuild3DObjects

(

)

Definition at line 76 of file VP1CartesianGrid.cxx.

{
  theclass->messageVerbose("(Re)building 3D objects");
 
  if (sep) {
    sep->removeAllChildren();
  } else {
    sep = new SoSeparator;
    sep->ref();
  }
 
  const bool save = sep->enableNotify(false);
 
  int nmax; double distmax;
  if (!VP1Floor::calcParsFromExtentAndSpacing( theclass, extent, spacing, 40/*max lines*/, nmax, distmax )) {
    nmax = 10;
    distmax = 10*SYSTEM_OF_UNITS::m;
    theclass->message("ERROR: Problems calculating nmax/distmax.");
  }
 
  SoVertexProperty * grid_cartesian_vertices = new SoVertexProperty();
 
  int ivert(0);
  int nsublines(0);
 
  //First, loop over (x,z) values and add one line parallel with the y-axis through each.
  for (int ix = -nmax; ix<=nmax; ++ix)
    for (int iz = -nmax; iz<=nmax; ++iz) {
      double x = ix*spacing;
      double z = iz*spacing;
      grid_cartesian_vertices->vertex.set1Value(ivert++,x,-distmax,z);
      grid_cartesian_vertices->vertex.set1Value(ivert++,x,+distmax,z);
      ++nsublines;
      }
 
  //Next, loop over y values and add a plane of lines parallel to the x-z plane.
  for (int iy = -nmax; iy<=nmax; ++iy) {
    double y = iy*spacing;
    for (int ix = -nmax; ix<=nmax; ++ix) {
      double x = ix*spacing;
      grid_cartesian_vertices->vertex.set1Value(ivert++,x,y,-distmax);
      grid_cartesian_vertices->vertex.set1Value(ivert++,x,y,+distmax);
      ++nsublines;
    }
    for (int iz = -nmax; iz<=nmax; ++iz) {
      double z = iz*spacing;
      grid_cartesian_vertices->vertex.set1Value(ivert++,-distmax,y,z);
      grid_cartesian_vertices->vertex.set1Value(ivert++,+distmax,y,z);
      ++nsublines;
    }
  }
 
  grid_cartesian_vertices->materialBinding=SoMaterialBinding::OVERALL;
  grid_cartesian_vertices->normalBinding=SoNormalBinding::OVERALL;
  SoLineSet * line = new SoLineSet();
  line->numVertices.enableNotify(FALSE);
  line->numVertices.setNum(nsublines);
  for (int i=0;i<nsublines;++i)
    line->numVertices.set1Value(i,2);
  line->vertexProperty = grid_cartesian_vertices;
  line->numVertices.enableNotify(TRUE);
  line->numVertices.touch();
 
  sep->addChild(line);
  updateColour();
 
  if (save) {
    sep->enableNotify(true);
    sep->touch();
  }
 
}

updateColour()

void VP1CartesianGrid::Imp::updateColour

(

)

Definition at line 150 of file VP1CartesianGrid.cxx.

{
  theclass->messageVerbose("Updating packed colour");
  if (!sep||sep->getNumChildren()<1)
    return;
  SoNode * n = sep->getChild(0);
  if (!n||n->getTypeId()!=SoLineSet::getClassTypeId())
    return;
  SoLineSet * line = static_cast<SoLineSet*>(n);
  SoVertexProperty * vertices = static_cast<SoVertexProperty *>(line->vertexProperty.getValue());
  if (!vertices)
    return;
  vertices->orderedRGBA = colourAndTransp.getPackedValue();
}

Member Data Documentation

attachSep

SoSeparator* VP1CartesianGrid::Imp::attachSep

Definition at line 37 of file VP1CartesianGrid.cxx.

colourAndTransp

SbColor4f VP1CartesianGrid::Imp::colourAndTransp

Definition at line 40 of file VP1CartesianGrid.cxx.

extent

double VP1CartesianGrid::Imp::extent

Definition at line 41 of file VP1CartesianGrid.cxx.

sep

SoSeparator* VP1CartesianGrid::Imp::sep

Definition at line 44 of file VP1CartesianGrid.cxx.

shown

bool VP1CartesianGrid::Imp::shown

Definition at line 39 of file VP1CartesianGrid.cxx.

spacing

double VP1CartesianGrid::Imp::spacing

Definition at line 42 of file VP1CartesianGrid.cxx.

theclass

VP1CartesianGrid* VP1CartesianGrid::Imp::theclass

Definition at line 36 of file VP1CartesianGrid.cxx.

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

• VP1CartesianGrid.cxx