osg::ref_ptr<osg::Geode> VTKActorToOSG(vtkActor *actor, osg::ref_ptr<osg::Geode> geode, int verbose)
{
// make actor current
actor->GetMapper()->Update();
// this could possibly be any type of DataSet, VTKActorToOSG assumes polyData
if (strcmp(actor->GetMapper()->GetInput()->GetClassName(), "vtkPolyData"))
{
std::cerr << "ERROR! Actor must use a vtkPolyDataMapper." << std::endl;
std::cerr << "If you are using a vtkDataSetMapper, use vtkGeometryFilter instead." << std::endl;
return NULL;
}
// if geode doesn't exist, then create a new one
if (!geode.valid())
geode = new osg::Geode();
// get poly data
vtkPolyData *polyData = (vtkPolyData *) actor->GetMapper()->GetInput();
// get primitive arrays
osg::ref_ptr<osg::Geometry> points, lines, polys, strips;
// create new Geometry for the Geode
points = processPrimitive(actor, polyData->GetVerts(), osg::PrimitiveSet::POINTS, verbose);
lines = processPrimitive(actor, polyData->GetLines(), osg::PrimitiveSet::LINE_STRIP, verbose);
polys = processPrimitive(actor, polyData->GetPolys(), osg::PrimitiveSet::POLYGON, verbose);
strips = processPrimitive(actor, polyData->GetStrips(), osg::PrimitiveSet::TRIANGLE_STRIP, verbose);
// remove old gsets and delete them
geode->removeDrawables(0, geode->getNumDrawables());
if (points.valid())
geode->addDrawable(points.get());
if (lines.valid())
geode->addDrawable(lines.get());
if (polys.valid())
geode->addDrawable(polys.get());
if (strips.valid())
geode->addDrawable(strips.get());
return geode;
}
void VTKPolyDataMapper::execute(void)
{
#ifdef OSG_WITH_VTK
if(_pActor == NULL)
{
return;
}
vtkMapper *pMapper = _pActor->GetMapper();
if(pMapper == NULL)
return;
pMapper->GetInput()->Update();
if( (_pActor -> GetMTime() < this->_executeTime) &&
( pMapper-> GetMTime() < this->_executeTime) &&
( pMapper->GetInput()->GetMTime() < this->_executeTime) &&
( this->_modifiedTime < this->_executeTime) )
{
return;
}
else
{
fprintf(stderr, "%ld %ld | %ld %ld %ld\n",
_executeTime.GetMTime(),
_modifiedTime.GetMTime(),
_pActor->GetMTime(),
_pActor->GetMapper()->GetMTime(),
_pActor->GetMapper()->GetInput()->GetMTime());
}
if(_sfRoot.getValue() == NULL)
{
initGeometries();
}
fprintf(stderr, "Mapper::execute %p\n", _pActor);
// get poly data
vtkPolyData *polyData =
static_cast<vtkPolyData *>(_pActor->GetMapper()->GetInput());
if(polyData == NULL)
{
fprintf(stderr, "Strange no data\n");
return;
}
// get primitive arrays
vtkCellArray *points, *lines, *polys, *strips;
points = polyData->GetVerts();
lines = polyData->GetLines();
polys = polyData->GetPolys();
strips = polyData->GetStrips();
int numPts = points->GetNumberOfCells();
int numLines = lines ->GetNumberOfCells();
int numPolys = polys ->GetNumberOfCells();
int numStrips = strips->GetNumberOfCells();
fprintf(stderr, "P : %d | L : %d | Poly : %d | S : %d\n",
numPts,
numLines,
numPolys,
numStrips);
const VTKPolyDataMapper *pThis = this;
if(numPts != 0)
{
bool rc = processPrimitive(pThis->_mfPositions[0],
pThis->_mfColors [0],
pThis->_mfNormals [0],
pThis->_mfLength [0],
pThis->_mfTypes [0],
_pActor,
points,
GL_POINTS,
true);
if(rc == true)
{
pThis->_mfGeoRoots[0]->setTravMask(
OSG::TypeTraits<OSG::UInt32>::BitsSet);
pThis->_mfGeoRoots[0]->invalidateVolume();
}
}
if(numLines != 0)
{
bool rc = processPrimitive(pThis->_mfPositions[1],
pThis->_mfColors [1],
pThis->_mfNormals [1],
pThis->_mfLength [1],
pThis->_mfTypes [1],
_pActor,
lines,
GL_LINE_STRIP,
true);
if(rc == true)
{
pThis->_mfGeoRoots[1]->setTravMask(
OSG::TypeTraits<OSG::UInt32>::BitsSet);
pThis->_mfGeoRoots[1]->invalidateVolume();
}
}
if(numPolys != 0)
{
bool rc = processPrimitive(pThis->_mfPositions[2],
pThis->_mfColors [2],
pThis->_mfNormals [2],
pThis->_mfLength [2],
pThis->_mfTypes [2],
_pActor,
polys,
GL_POLYGON,
true);
if(rc == true)
{
pThis->_mfGeoRoots[2]->setTravMask(
OSG::TypeTraits<OSG::UInt32>::BitsSet);
pThis->_mfGeoRoots[2]->invalidateVolume();
}
}
if(numStrips != 0)
{
bool rc = processPrimitive(pThis->_mfPositions[3],
pThis->_mfColors [3],
pThis->_mfNormals [3],
pThis->_mfLength [3],
pThis->_mfTypes [3],
_pActor,
strips,
GL_TRIANGLE_STRIP,
true);
if(rc == true)
{
pThis->_mfGeoRoots[3]->setTravMask(
OSG::TypeTraits<OSG::UInt32>::BitsSet);
pThis->_mfGeoRoots[3]->invalidateVolume();
}
}
_sfRoot.getValue()->updateVolume();
this->_executeTime.Modified();
OSG::Thread::getCurrentChangeList()->commitChanges();
#endif
}