Program to extract vertices...
void extractVertices()
{
// we assume here that Maya has been initialized and the file in
// question has already been loaded.
MStatus stat;
MItDag dagIter( MItDag::kBreadthFirst, MFn::kInvalid, &stat );
for ( ; !dagIter.isDone(); dagIter.next())
{
MDagPath dagPath;
stat = dagIter.getPath( dagPath );
if ( stat )
{
MFnDagNode dagNode( dagPath, &stat );
// this object cannot be intermediate, and it must be a mesh
// and it can't be a transform.
// Intermediate objects are special meshes
// that are not drawn used for mesh morphs or something.
if ( dagNode.isIntermediateObject()) continue;
if ( !dagPath.hasFn( MFn::kMesh )) continue;
if ( dagPath.hasFn( MFn::kTransform )) continue;
MFnMesh fnMesh( dagPath );
// get the vertices that are part of the current mesh
MPointArray vertexList;
fnMesh.getPoints( vertexList, MSpace::kWorld );
// iterate through all the vertices
for ( u32 i = 0; i < vertexlist.length(); i++ )
{
vertexlist[i].cartesianize();
mpoint point = vertexlist[i];
// here is your data... now go do whatever you want with
// it. if you need a unique identifier for this vertex,
// use it's index in the mesh, and some kind of mesh id.
// these stay constant while exporting ( so long as the file is
// not edited )
processvertex( point.x, point.y, point.z );
}
}
}
}
