const Field<PointType>&
PrimitivePatch<Face, FaceList, PointField, PointType>::faceNormals() const
{
if (!faceNormalsPtr_)
{
calcFaceNormals();
}
return *faceNormalsPtr_;
}
MeshModel::MeshModel(GLfloat x,GLfloat y,GLfloat z, vector<V3f> &mv,vector<int> &mvi){
textured=false;
for(int i=0; i<mv.size();i++)
v.push_back(V3f(mv[i].x+x,mv[i].y+y,mv[i].z+z));
for(int i=0; i<mvi.size(); i+=3)
vi.push_back(V3i(mvi[i],mvi[i+1],mvi[i+2]));
calcFaceNormals();
calcVertexNormalsAverage();
calcVertexNormalsWeight();
}
artemis::Entity& EntityFactory::makePlaneEntity(){
artemis::Entity& planeEntity = em->create();
vector<vertex> planeVerts;
vector<GLuint> planeVertIndex;
makePlane(5,5, planeVerts, planeVertIndex);
calcFaceNormals(planeVerts, planeVertIndex);
planeEntity.addComponent(geoManager.create(planeVerts, planeVertIndex));
return planeEntity;
}
MeshPlane::MeshPlane(GLfloat x, GLfloat y, GLfloat z, GLfloat x_len, GLfloat y_len, int x_tiles, int y_tiles){
textured=false;
for(int i = 0; i<=x_tiles; i++)
for(int j = 0; j<=y_tiles; j++)
v.push_back(V3f(i*x_len+x,y, j*y_len+z));
for(int i = 1; i<v.size()-y_tiles-1; i++){
if(i%(y_tiles+1)!=0){
vi.push_back(V3i(i-1,i,i+y_tiles+1));
vi.push_back(V3i( i-1,i+y_tiles+1, i+y_tiles));
}
}
calcFaceNormals();
calcVertexNormalsAverage();
calcVertexNormalsWeight();
}
MeshPlane::MeshPlane(GLfloat x, GLfloat y, GLfloat z, GLfloat x_len, GLfloat y_len, int x_tiles, int y_tiles, GLuint texid){
MeshPlane::texid=texid;
textured=true;
t.push_back(V2f(0,0));
t.push_back(V2f(0,1));
t.push_back(V2f(1,1));
t.push_back(V2f(1,0));
for(int i = 0; i<=x_tiles; i++)
for(int j = 0; j<=y_tiles; j++)
v.push_back(V3f(i*x_len+x,y, j*y_len+z));
for(int i = 1; i<v.size()-y_tiles-1; i++){
if(i%(y_tiles+1)!=0){
vi.push_back(V3i(i-1,i,i+y_tiles+1));
ti.push_back(V3i(0,1,2));
vi.push_back(V3i( i-1,i+y_tiles+1, i+y_tiles));
ti.push_back(V3i(0,2,3));
}
}
calcFaceNormals();
calcVertexNormalsAverage();
calcVertexNormalsWeight();
}
bool vtkOsgConverter::WriteAnActor()
{
vtkMapper* actorMapper = _actor->GetMapper();
// see if the actor has a mapper. it could be an assembly
if (actorMapper == NULL)
return false;
// dont export when not visible
if (_actor->GetVisibility() == 0)
return false;
vtkDataObject* inputDO = actorMapper->GetInputDataObject(0, 0);
if (inputDO == NULL)
return false;
// Get PolyData. Convert if necessary becasue we only want polydata
vtkSmartPointer<vtkPolyData> pd;
if(inputDO->IsA("vtkCompositeDataSet"))
{
vtkCompositeDataGeometryFilter* gf = vtkCompositeDataGeometryFilter::New();
gf->SetInput(inputDO);
gf->Update();
pd = gf->GetOutput();
gf->Delete();
}
else if(inputDO->GetDataObjectType() != VTK_POLY_DATA)
{
vtkGeometryFilter* gf = vtkGeometryFilter::New();
gf->SetInput(inputDO);
gf->Update();
pd = gf->GetOutput();
gf->Delete();
}
else
pd = static_cast<vtkPolyData*>(inputDO);
// Get the color range from actors lookup table
double range[2];
vtkLookupTable* actorLut = static_cast<vtkLookupTable*>(actorMapper->GetLookupTable());
actorLut->GetTableRange(range);
// Copy mapper to a new one
vtkPolyDataMapper* pm = vtkPolyDataMapper::New();
// Convert cell data to point data
// NOTE: Comment this out to export a mesh
if (actorMapper->GetScalarMode() == VTK_SCALAR_MODE_USE_CELL_DATA ||
actorMapper->GetScalarMode() == VTK_SCALAR_MODE_USE_CELL_FIELD_DATA)
{
vtkCellDataToPointData* cellDataToPointData = vtkCellDataToPointData::New();
cellDataToPointData->PassCellDataOff();
cellDataToPointData->SetInput(pd);
cellDataToPointData->Update();
pd = cellDataToPointData->GetPolyDataOutput();
cellDataToPointData->Delete();
pm->SetScalarMode(VTK_SCALAR_MODE_USE_POINT_DATA);
}
else
pm->SetScalarMode(actorMapper->GetScalarMode());
pm->SetInput(pd);
pm->SetScalarVisibility(actorMapper->GetScalarVisibility());
vtkLookupTable* lut = NULL;
// ParaView OpenSG Exporter
if (dynamic_cast<vtkDiscretizableColorTransferFunction*>(actorMapper->GetLookupTable()))
lut = actorLut;
// Clone the lut in OGS because otherwise the original lut gets destroyed
else
{
lut = vtkLookupTable::New();
lut->DeepCopy(actorLut);
lut->Build();
}
pm->SetLookupTable(lut);
pm->SetScalarRange(range);
pm->Update();
if(pm->GetScalarMode() == VTK_SCALAR_MODE_USE_POINT_FIELD_DATA ||
pm->GetScalarMode() == VTK_SCALAR_MODE_USE_CELL_FIELD_DATA )
{
if(actorMapper->GetArrayAccessMode() == VTK_GET_ARRAY_BY_ID )
pm->ColorByArrayComponent(actorMapper->GetArrayId(),
actorMapper->GetArrayComponent());
else
pm->ColorByArrayComponent(actorMapper->GetArrayName(),
actorMapper->GetArrayComponent());
}
vtkPointData* pntData = pd->GetPointData();
bool hasTexCoords = false;
vtkUnsignedCharArray* vtkColors = pm->MapScalars(1.0);
// ARRAY SIZES
vtkIdType m_iNumPoints = pd->GetNumberOfPoints();
if (m_iNumPoints == 0)
return false;
vtkIdType m_iNumGLPoints = pd->GetVerts()->GetNumberOfCells();
vtkIdType m_iNumGLLineStrips = pd->GetLines()->GetNumberOfCells();
vtkIdType m_iNumGLPolygons = pd->GetPolys()->GetNumberOfCells();
vtkIdType m_iNumGLTriStrips = pd->GetStrips()->GetNumberOfCells();
vtkIdType m_iNumGLPrimitives = m_iNumGLPoints + m_iNumGLLineStrips + m_iNumGLPolygons +
m_iNumGLTriStrips;
bool lit = !(m_iNumGLPolygons == 0 && m_iNumGLTriStrips == 0);
if (_verbose)
{
std::cout << "Array sizes:" << std::endl;
std::cout << " number of vertices: " << m_iNumPoints << std::endl;
std::cout << " number of GL_POINTS: " << m_iNumGLPoints << std::endl;
std::cout << " number of GL_LINE_STRIPS: " << m_iNumGLLineStrips << std::endl;
std::cout << " number of GL_POLYGON's: " << m_iNumGLPolygons << std::endl;
std::cout << " number of GL_TRIANGLE_STRIPS: " << m_iNumGLTriStrips << std::endl;
std::cout << " number of primitives: " << m_iNumGLPrimitives << std::endl;
}
// NORMALS
vtkDataArray* vtkNormals = NULL;
int m_iNormalType = NOT_GIVEN;
if (_actor->GetProperty()->GetInterpolation() == VTK_FLAT)
{
vtkNormals = pd->GetCellData()->GetNormals();
if (vtkNormals != NULL)
m_iNormalType = PER_CELL;
}
else
{
vtkNormals = pntData->GetNormals();
if (vtkNormals != NULL)
m_iNormalType = PER_VERTEX;
}
if (_verbose)
{
std::cout << "Normals:" << std::endl;
if (m_iNormalType != NOT_GIVEN)
{
std::cout << " number of normals: " << vtkNormals->GetNumberOfTuples() <<
std::endl;
std::cout << " normals are given: ";
std::cout <<
((m_iNormalType == PER_VERTEX) ? "per vertex" : "per cell") << std::endl;
}
else
std::cout << " no normals are given" << std::endl;
}
// COLORS
int m_iColorType = NOT_GIVEN;
if(pm->GetScalarVisibility())
{
int iScalarMode = pm->GetScalarMode();
if(vtkColors == NULL)
{
m_iColorType = NOT_GIVEN;
std::cout << "WARNING: MapScalars(1.0) did not return array!" << std::endl;
}
else if(iScalarMode == VTK_SCALAR_MODE_USE_CELL_DATA)
m_iColorType = PER_CELL;
else if(iScalarMode == VTK_SCALAR_MODE_USE_POINT_DATA)
m_iColorType = PER_VERTEX;
else if(iScalarMode == VTK_SCALAR_MODE_USE_CELL_FIELD_DATA)
{
std::cout <<
"WARNING TO BE REMOVED: Can not process colours with scalar mode using cell field data!"
<< std::endl;
m_iColorType = PER_CELL;
}
else if(iScalarMode == VTK_SCALAR_MODE_USE_POINT_FIELD_DATA)
{
std::cout <<
"WARNING TO BE REMOVED: Can not process colours with scalar mode using point field data!"
<< std::endl;
m_iColorType = PER_VERTEX;
}
else if(iScalarMode == VTK_SCALAR_MODE_DEFAULT)
{
//Bummer, we do not know what it is. may be we can make a guess
int numColors = vtkColors->GetNumberOfTuples();
if (numColors == 0)
{
m_iColorType = NOT_GIVEN;
std::cout << "WARNING: No colors found!" << std::endl;
}
else if (numColors == m_iNumPoints)
m_iColorType = PER_VERTEX;
else if (numColors == m_iNumGLPrimitives)
m_iColorType = PER_CELL;
else
{
m_iColorType = NOT_GIVEN;
std::cout <<
"WARNING: Number of colors do not match number of points / cells!"
<< std::endl;
}
}
}
if (_verbose)
{
std::cout << "Colors:" << std::endl;
if (m_iColorType != NOT_GIVEN)
{
std::cout << " number of colors: " << vtkColors->GetNumberOfTuples() <<
std::endl;
std::cout << " colors are given: " <<
((m_iColorType == PER_VERTEX) ? "per vertex" : "per cell") << std::endl;
}
else
std::cout << " no colors are given" << std::endl;
}
// TEXCOORDS
vtkDataArray* vtkTexCoords = pntData->GetTCoords();
if (_verbose)
{
std::cout << "Tex-coords:" << std::endl;
if (vtkTexCoords)
{
std::cout << " Number of tex-coords: " <<
vtkTexCoords->GetNumberOfTuples() << std::endl;
hasTexCoords = true;
}
else
std::cout << " No tex-coords where given" << std::endl;
}
// TRANSFORMATION
double scaling[3];
double translation[3];
// double rotation[3];
_actor->GetPosition(translation);
_actor->GetScale(scaling);
//_actor->GetRotation(rotation[0], rotation[1], rotation[2]);
if (_verbose)
std::cout << "set scaling: " << scaling[0] << " " << scaling[1] << " " <<
scaling[2] << std::endl;
osg::Matrix m;
m.setIdentity();
m.setTranslate(translation[0], translation[1], translation[2]);
m.setScale(scaling[0], scaling[1], scaling[2]);
// TODO QUATERNION m.setRotate(rotation[0], rotation[1], rotation[2])
beginEditCP(_osgTransform);
_osgTransform->setMatrix(m);
endEditCP(_osgTransform);
//pm->Update();
// Get the converted OpenSG node
NodePtr osgGeomNode = Node::create();
GeometryPtr osgGeometry = Geometry::create();
beginEditCP(osgGeomNode);
osgGeomNode->setCore(osgGeometry);
endEditCP(osgGeomNode);
bool osgConversionSuccess = false;
GeoPTypesPtr osgTypes = GeoPTypesUI8::create();
GeoPLengthsPtr osgLengths = GeoPLengthsUI32::create();
GeoIndicesUI32Ptr osgIndices = GeoIndicesUI32::create();
GeoPositions3fPtr osgPoints = GeoPositions3f::create();
GeoNormals3fPtr osgNormals = GeoNormals3f::create();
GeoColors3fPtr osgColors = GeoColors3f::create();
GeoTexCoords2dPtr osgTexCoords = GeoTexCoords2d::create();
//Rendering with OpenSG simple indexed geometry
if (((m_iNormalType == PER_VERTEX) || (m_iNormalType == NOT_GIVEN)) &&
((m_iColorType == PER_VERTEX) || (m_iColorType == NOT_GIVEN)))
{
if (_verbose)
std::cout << "Start ProcessGeometryNormalsAndColorsPerVertex()" << std::endl;
//getting the vertices:
beginEditCP(osgPoints);
{
for (int i = 0; i < m_iNumPoints; i++)
{
double* aVertex = pd->GetPoint(i);
osgPoints->addValue(Vec3f(aVertex[0], aVertex[1], aVertex[2]));
}
} endEditCP(osgPoints);
//possibly getting the normals
if (m_iNormalType == PER_VERTEX)
{
vtkIdType iNumNormals = vtkNormals->GetNumberOfTuples();
beginEditCP(osgNormals);
{
double* aNormal;
for (int i = 0; i < iNumNormals; i++)
{
aNormal = vtkNormals->GetTuple(i);
osgNormals->addValue(Vec3f(aNormal[0], aNormal[1], aNormal[2]));
}
} endEditCP(osgNormals);
if (iNumNormals != m_iNumPoints)
{
std::cout <<
"WARNING: CVtkActorToOpenSG::ProcessGeometryNormalsAndColorsPerVertex() number of normals"
<< std::endl;
std::cout << "should equal the number of vertices (points)!" << std::endl << std::endl;
}
}
//possibly getting the colors
if (m_iColorType == PER_VERTEX)
{
vtkIdType iNumColors = vtkColors->GetNumberOfTuples();
beginEditCP(osgColors);
{
unsigned char aColor[4];
for (int i = 0; i < iNumColors; i++)
{
vtkColors->GetTupleValue(i, aColor);
float r = ((float) aColor[0]) / 255.0f;
float g = ((float) aColor[1]) / 255.0f;
float b = ((float) aColor[2]) / 255.0f;
osgColors->addValue(Color3f(r, g, b));
}
} endEditCP(osgColors);
if (iNumColors != m_iNumPoints)
{
std::cout <<
"WARNING: CVtkActorToOpenSG::ProcessGeometryNormalsAndColorsPerVertex() number of colors"
<< std::endl;
std::cout << "should equal the number of vertices (points)!" << std::endl << std::endl;
}
}
//possibly getting the texture coordinates. These are alwary per vertex
if (vtkTexCoords != NULL)
{
int numTuples = vtkTexCoords->GetNumberOfTuples();
for (int i = 0; i < numTuples; i++)
{
double texCoords[3];
vtkTexCoords->GetTuple(i, texCoords);
osgTexCoords->addValue(Vec2f(texCoords[0], texCoords[1]));
}
}
//getting the cells
beginEditCP(osgTypes);
beginEditCP(osgLengths);
beginEditCP(osgIndices);
{
vtkCellArray* pCells;
vtkIdType npts, * pts;
int prim;
prim = 0;
pCells = pd->GetVerts();
if (pCells->GetNumberOfCells() > 0)
for (pCells->InitTraversal(); pCells->GetNextCell(npts, pts);
prim++)
{
osgLengths->addValue(npts);
osgTypes->addValue(GL_POINTS);
for (int i = 0; i < npts; i++)
osgIndices->addValue(pts[i]);
}
prim = 0;
pCells = pd->GetLines();
if (pCells->GetNumberOfCells() > 0)
for (pCells->InitTraversal(); pCells->GetNextCell(npts, pts);
prim++)
{
osgLengths->addValue(npts);
osgTypes->addValue(GL_LINE_STRIP);
for (int i = 0; i < npts; i++)
osgIndices->addValue(pts[i]);
}
prim = 0;
pCells = pd->GetPolys();
if (pCells->GetNumberOfCells() > 0)
for (pCells->InitTraversal(); pCells->GetNextCell(npts, pts);
prim++)
{
osgLengths->addValue(npts);
osgTypes->addValue(GL_POLYGON);
for (int i = 0; i < npts; i++)
osgIndices->addValue(pts[i]);
}
prim = 0;
pCells = pd->GetStrips();
if (pCells->GetNumberOfCells() > 0)
for (pCells->InitTraversal(); pCells->GetNextCell(npts, pts); prim++)
{
osgLengths->addValue(npts);
osgTypes->addValue(GL_TRIANGLE_STRIP);
for (int i = 0; i < npts; i++)
osgIndices->addValue(pts[i]);
}
} endEditCP(osgIndices);
endEditCP(osgLengths);
endEditCP(osgTypes);
ChunkMaterialPtr material = CreateMaterial(lit, hasTexCoords);
beginEditCP(osgGeometry);
{
osgGeometry->setPositions(osgPoints);
osgGeometry->setTypes(osgTypes);
osgGeometry->setLengths(osgLengths);
osgGeometry->setIndices(osgIndices);
osgGeometry->setMaterial(material);
if (m_iNormalType == PER_VERTEX)
osgGeometry->setNormals(osgNormals);
if (m_iColorType == PER_VERTEX)
osgGeometry->setColors(osgColors);
if (osgTexCoords->getSize() > 0)
osgGeometry->setTexCoords(osgTexCoords);
} endEditCP(osgGeometry);
osgConversionSuccess = true;
if (_verbose)
std::cout << " End ProcessGeometryNormalsAndColorsPerVertex()" <<
std::endl;
}
else
{
//Rendering with OpenSG non indexed geometry by copying a lot of attribute data
if (_verbose)
std::cout <<
"Start ProcessGeometryNonIndexedCopyAttributes(int gl_primitive_type)" <<
std::endl;
int gl_primitive_type = -1;
if(m_iNumGLPolygons > 0)
{
if(m_iNumGLPolygons != m_iNumGLPrimitives)
std::cout << "WARNING: vtkActor contains different kind of primitives" << std::endl;
gl_primitive_type = GL_POLYGON;
//osgConversionSuccess = this->ProcessGeometryNonIndexedCopyAttributes(GL_POLYGON, pd, osgGeometry);
}
else if(m_iNumGLLineStrips > 0)
{
if (m_iNumGLLineStrips != m_iNumGLPrimitives)
std::cout << "WARNING: vtkActor contains different kind of primitives" << std::endl;
gl_primitive_type = GL_LINE_STRIP;
//osgConversionSuccess = this->ProcessGeometryNonIndexedCopyAttributes(GL_LINE_STRIP, pd osgGeometry);
}
else if(m_iNumGLTriStrips > 0)
{
if (m_iNumGLTriStrips != m_iNumGLPrimitives)
std::cout << "WARNING: vtkActor contains different kind of primitives" << std::endl;
gl_primitive_type = GL_TRIANGLE_STRIP;
//osgConversionSuccess = this->ProcessGeometryNonIndexedCopyAttributes(GL_TRIANGLE_STRIP, pd osgGeometry);
}
else if (m_iNumGLPoints > 0)
{
if (m_iNumGLPoints != m_iNumGLPrimitives)
std::cout << "WARNING: vtkActor contains different kind of primitives" << std::endl;
gl_primitive_type = GL_POINTS;
//osgConversionSuccess = this->ProcessGeometryNonIndexedCopyAttributes(GL_POINTS, pd osgGeometry);
}
if(gl_primitive_type != -1)
{
vtkCellArray* pCells;
if (gl_primitive_type == GL_POINTS)
pCells = pd->GetVerts();
else if (gl_primitive_type == GL_LINE_STRIP)
pCells = pd->GetLines();
else if (gl_primitive_type == GL_POLYGON)
pCells = pd->GetPolys();
else if (gl_primitive_type == GL_TRIANGLE_STRIP)
pCells = pd->GetStrips();
else
{
std::cout <<
"CVtkActorToOpenSG::ProcessGeometryNonIndexedCopyAttributes(int gl_primitive_type)"
<< std::endl << " was called with non implemented gl_primitive_type!" << std::endl;
}
beginEditCP(osgTypes);
beginEditCP(osgLengths);
beginEditCP(osgPoints);
beginEditCP(osgColors);
beginEditCP(osgNormals);
{
int prim = 0;
if (pCells->GetNumberOfCells() > 0)
{
vtkIdType npts, * pts;
for (pCells->InitTraversal(); pCells->GetNextCell(npts, pts);
prim++)
{
osgLengths->addValue(npts);
osgTypes->addValue(GL_POLYGON);
for (int i = 0; i < npts; i++)
{
double* aVertex;
double* aNormal;
unsigned char aColor[4];
aVertex = pd->GetPoint(pts[i]);
osgPoints->addValue(Vec3f(aVertex[0], aVertex[1], aVertex[2]));
if (m_iNormalType == PER_VERTEX)
{
aNormal =
vtkNormals->GetTuple(pts[i]);
osgNormals->addValue(Vec3f(aNormal[0], aNormal[1], aNormal[2]));
}
else if (m_iNormalType == PER_CELL)
{
aNormal = vtkNormals->GetTuple(prim);
osgNormals->addValue(Vec3f(aNormal[0], aNormal[1], aNormal[2]));
}
if (m_iColorType == PER_VERTEX)
{
vtkColors->GetTupleValue(pts[i], aColor);
float r = ((float) aColor[0]) / 255.0f;
float g = ((float) aColor[1]) / 255.0f;
float b = ((float) aColor[2]) / 255.0f;
osgColors->addValue(Color3f(r, g, b));
}
else if (m_iColorType == PER_CELL)
{
vtkColors->GetTupleValue(prim,
aColor);
float r = ((float) aColor[0]) / 255.0f;
float g = ((float) aColor[1]) / 255.0f;
float b = ((float) aColor[2]) / 255.0f;
osgColors->addValue(Color3f(r, g, b));
}
}
}
}
} endEditCP(osgTypes);
endEditCP(osgLengths);
endEditCP(osgPoints);
endEditCP(osgColors);
endEditCP(osgNormals);
//possibly getting the texture coordinates. These are always per vertex
vtkPoints* points = pd->GetPoints();
if ((vtkTexCoords != NULL) && (points != NULL))
{
int numPoints = points->GetNumberOfPoints();
int numTexCoords = vtkTexCoords->GetNumberOfTuples();
if (numPoints == numTexCoords)
{
beginEditCP(osgTexCoords);
{
int numTuples = vtkTexCoords->GetNumberOfTuples();
for (int i = 0; i < numTuples; i++)
{
double texCoords[3];
vtkTexCoords->GetTuple(i, texCoords);
osgTexCoords->addValue(Vec2f(texCoords[0], texCoords[1]));
}
} endEditCP(osgTexCoords);
}
}
ChunkMaterialPtr material = CreateMaterial(lit, hasTexCoords);
//GeometryPtr geo = Geometry::create();
beginEditCP(osgGeometry);
{
osgGeometry->setPositions(osgPoints);
osgGeometry->setTypes(osgTypes);
osgGeometry->setLengths(osgLengths);
osgGeometry->setMaterial(material);
if (m_iNormalType != NOT_GIVEN)
osgGeometry->setNormals(osgNormals);
if (m_iColorType != NOT_GIVEN)
osgGeometry->setColors(osgColors);
if (osgTexCoords->getSize() > 0)
osgGeometry->setTexCoords(osgTexCoords);
//geo->setMaterial(getDefaultMaterial());
} endEditCP(osgGeometry);
osgConversionSuccess = true;
}
if (_verbose)
std::cout <<
" End ProcessGeometryNonIndexedCopyAttributes(int gl_primitive_type)" <<
std::endl;
}
if(!osgConversionSuccess)
{
std::cout << "OpenSG converter was not able to convert this actor." << std::endl;
return false;
}
if(m_iNormalType == NOT_GIVEN)
{
//GeometryPtr newGeometryPtr = GeometryPtr::dcast(newNodePtr->getCore());
if((osgGeometry != NullFC) && (m_iColorType == PER_VERTEX))
{
std::cout <<
"WARNING: Normals are missing in the vtk layer, calculating normals per vertex!"
<< std::endl;
calcVertexNormals(osgGeometry);
}
else if ((osgGeometry != NullFC) && (m_iColorType == PER_CELL))
{
std::cout <<
"WARNING: Normals are missing in the vtk layer, calculating normals per face!"
<< std::endl;
calcFaceNormals(osgGeometry);
}
else if (osgGeometry != NullFC)
{
std::cout <<
"WARNING: Normals are missing in the vtk layer, calculating normals per vertex!"
<< std::endl;
calcVertexNormals(osgGeometry);
}
}
std::cout << "Conversion finished." << std::endl;
// Add node to root
beginEditCP(_osgRoot);
_osgRoot->addChild(osgGeomNode);
endEditCP(_osgRoot);
pm->Delete();
return true;
}
int main (int argc, char **argv)
{
osgInit( argc, argv );
glutInit( &argc, argv );
glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
int winID = glutCreateWindow("OpenSG");
glutKeyboardFunc(key);
glutVisibilityFunc(vis);
glutReshapeFunc(resize);
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutIdleFunc(display);
glEnable( GL_DEPTH_TEST );
glEnable( GL_LIGHTING );
glEnable( GL_LIGHT0 );
glClearColor( .1, .6, .2, 1 );
//glCullFace( GL_BACK );
//glEnable( GL_CULL_FACE );
//BEACON
NodePtr beaconNode = Node::create();
GroupPtr beaconCore = Group::create();
beginEditCP( beaconNode );
beaconNode->setCore( beaconCore );
endEditCP( beaconNode );
//TRANSFORM
NodePtr transNode = Node::create();
TransformPtr transCore = Transform::create();
beginEditCP( transNode );
transNode->setCore( transCore );
transNode->addChild( beaconNode );
endEditCP( transNode );
cam_trans = transCore;
//OBJECT0: Plane
objects[0] = makeBox( 3,3,2, 2,2,1 );
calcFaceNormals( GeometryPtr::dcast(objects[0]->getCore()) );
normals[0] = calcFaceNormalsGeo( GeometryPtr::dcast(objects[0]->getCore()), 0.5 );
//OBJECT1: Sphere
objects[1] = makeSphere( 2, 2 );
calcFaceNormals( GeometryPtr::dcast(objects[1]->getCore()) );
normals[1] = calcFaceNormalsGeo( GeometryPtr::dcast(objects[1]->getCore()), 0.5 );
//OBJECT2: Cone
objects[2] = makeConicalFrustum( 1.5, 0.75, 2, 8, true, true, true );
calcFaceNormals( GeometryPtr::dcast(objects[2]->getCore()) );
normals[2] = calcFaceNormalsGeo( GeometryPtr::dcast(objects[2]->getCore()), 0.5 );
//OBJECT3: Custom Single Indexed Geometry
objects[3] = Node::create();
GeometryPtr obj3Core= Geometry::create();
GeoIndicesUI32Ptr obj3Index = GeoIndicesUI32::create();
GeoPositions3f::PtrType obj3Pnts = GeoPositions3f::create();
GeoColors3f::PtrType obj3Colors = GeoColors3f::create();
GeoPTypesPtr obj3Types = GeoPTypesUI8::create();
GeoPLengthsPtr obj3Lengths = GeoPLengthsUI32::create();
beginEditCP( obj3Pnts );
obj3Pnts->addValue( Pnt3f(0, 0,0) );
obj3Pnts->addValue( Pnt3f(1,-1,0) );
obj3Pnts->addValue( Pnt3f(1, 1,0) );
obj3Pnts->addValue( Pnt3f(1, 1,0) );
obj3Pnts->addValue( Pnt3f(1,-1,0) );
obj3Pnts->addValue( Pnt3f(3,-1.3,0) );
obj3Pnts->addValue( Pnt3f(3, 1.3,0) );
obj3Pnts->addValue( Pnt3f(3, 1.3,0) );
obj3Pnts->addValue( Pnt3f(3,-1.3,0) );
obj3Pnts->addValue( Pnt3f(4, 0,0) );
endEditCP( obj3Pnts );
beginEditCP( obj3Types );
//obj3Types->addValue( GL_TRIANGLES );
//obj3Types->addValue( GL_QUADS );
//obj3Types->addValue( GL_TRIANGLES );
obj3Types->addValue( GL_POLYGON );
endEditCP( obj3Types );
beginEditCP( obj3Lengths );
//obj3Lengths->addValue( 3 );
//obj3Lengths->addValue( 4 );
//obj3Lengths->addValue( 3 );
obj3Lengths->addValue( 6 );
endEditCP( obj3Lengths );
beginEditCP( obj3Colors );
for( UInt32 i=0; i<obj3Pnts->getSize(); ++i )
{
obj3Colors->addValue( Color3f(.7,.7,.7) );
}
endEditCP( obj3Colors );
beginEditCP( obj3Index );
//for( UInt32 i=0; i<obj3Pnts->getSize(); ++i )
//{
// obj3Index->addValue( i );
//}
obj3Index->addValue( 0 );
obj3Index->addValue( 1 );
obj3Index->addValue( 5 );
obj3Index->addValue( 9 );
obj3Index->addValue( 6 );
obj3Index->addValue( 2 );
endEditCP( obj3Index );
beginEditCP( obj3Core );
obj3Core->setIndices( obj3Index );
obj3Core->setPositions( obj3Pnts );
obj3Core->setTypes( obj3Types );
obj3Core->setLengths( obj3Lengths );
obj3Core->setColors( obj3Colors );
endEditCP( obj3Core );
beginEditCP( objects[3] );
objects[3]->setCore( obj3Core );
endEditCP( objects[3] );
calcFaceNormals( GeometryPtr::dcast(objects[3]->getCore()) );
normals[3] = calcFaceNormalsGeo( GeometryPtr::dcast(objects[3]->getCore()), 0.5 );
//ROOT
root = Node::create();
GroupPtr rootCore = Group::create();
beginEditCP(root);
root->setCore(rootCore);
root->addChild(transNode);
root->addChild(objects[0]);
root->addChild(normals[0]);
activeObj = root->findChild( objects[0] );
activeNorm = root->findChild( normals[0] );
endEditCP(root);
camera = PerspectiveCamera::create();
camera->setBeacon( beaconNode );
camera->setFov( 90 );
camera->setNear( 0.1 );
camera->setFar( 10000 );
SolidBackgroundPtr background = SolidBackground::create();
viewp = Viewport::create();
viewp->setCamera( camera );
viewp->setBackground( background );
viewp->setRoot( root );
viewp->setSize( 0,0, 1,1 );
GLint glVP[4];
glGetIntegerv( GL_VIEWPORT, glVP );
GLUTWindowPtr gwin = GLUTWindow::create();
gwin->setId(winID);
gwin->setSize(glVP[2], glVP[3]);
window = gwin;
window->addPort( viewp );
window->init();
drAct = DrawAction::create();
Vec3f pos( 0, 0, 3 );
tball.setMode( Trackball::OSGObject );
tball.setStartPosition( pos, true );
tball.setSum( true );
tball.setTranslationMode( Trackball::OSGFree );
glutMainLoop();
return 0;
}
