CalModel *calMod; 
std::vector<CalMesh*>& meshes = calMod->getVectorMesh();
for (std::vector<CalMesh*>::iterator meshIt = meshes.begin();
	meshIt != meshes.end(); ++meshIt)
{
	int subMeshCount = (*meshIt)->getSubmeshCount();
	if (subMeshCount==1)
	{
		CalSubmesh *subMesh=(*meshIt)->getSubmesh(subMeshCount-1);
		CalCoreSubmesh *coresubMesh=subMesh->getCoreSubmesh();
		std::vector<CalCoreSubmesh::Vertex>& vertices=coresubMesh->getVectorVertex();
		for (std::vector<CalCoreSubmesh::Vertex>::iterator vertexIt=vertices.begin();vertexIt != vertices.end(); ++vertexIt)
		{
			CalVector coresubmeshvec;
			coresubmeshvec=CalVector((*vertexIt).position[0],(*vertexIt).position[1],(*vertexIt).position[2]);
			.......
		}
	}
}