// Loads geometry from IGES File
DLL_HEADER Ng_OCC_Geometry * Ng_OCC_Load_IGES (const char * filename)
{
// Call the IGES File Load function. Note.. the geometry class
// is created and instantiated within the load function
OCCGeometry * occgeo = LoadOCC_IGES(filename);
return ((Ng_OCC_Geometry *)occgeo);
}
NetgenGeometry * OCCGeometryRegister :: Load (string filename) const
{
const char * lgfilename = filename.c_str();
/*
if (strcmp (&cfilename[strlen(cfilename)-3], "geo") == 0)
{
PrintMessage (1, "Load OCCG geometry file ", cfilename);
extern OCCGeometry * ParseOCCG (istream & istr);
ifstream infile(cfilename);
OCCGeometry * hgeom = ParseOCCG (infile);
if (!hgeom)
throw NgException ("geo-file should start with 'algebraic3d'");
hgeom -> FindIdenticSurfaces(1e-8 * hgeom->MaxSize());
return hgeom;
}
*/
if ((strcmp (&lgfilename[strlen(lgfilename)-4], "iges") == 0) ||
(strcmp (&lgfilename[strlen(lgfilename)-3], "igs") == 0) ||
(strcmp (&lgfilename[strlen(lgfilename)-3], "IGS") == 0) ||
(strcmp (&lgfilename[strlen(lgfilename)-4], "IGES") == 0))
{
PrintMessage (1, "Load IGES geometry file ", lgfilename);
OCCGeometry * occgeometry = LoadOCC_IGES (lgfilename);
return occgeometry;
}
else if ((strcmp (&lgfilename[strlen(lgfilename)-4], "step") == 0) ||
(strcmp (&lgfilename[strlen(lgfilename)-3], "stp") == 0) ||
(strcmp (&lgfilename[strlen(lgfilename)-3], "STP") == 0) ||
(strcmp (&lgfilename[strlen(lgfilename)-4], "STEP") == 0))
{
PrintMessage (1, "Load STEP geometry file ", lgfilename);
OCCGeometry * occgeometry = LoadOCC_STEP (lgfilename);
return occgeometry;
}
else if ((strcmp (&lgfilename[strlen(lgfilename)-4], "brep") == 0) ||
(strcmp (&lgfilename[strlen(lgfilename)-4], "Brep") == 0) ||
(strcmp (&lgfilename[strlen(lgfilename)-4], "BREP") == 0))
{
PrintMessage (1, "Load BREP geometry file ", lgfilename);
OCCGeometry * occgeometry = LoadOCC_BREP (lgfilename);
return occgeometry;
}
return NULL;
}
// Loads geometry from IGES File
DLL_HEADER Ng_OCC_Geometry * Ng_OCC_Load_IGES (const char * filename)
{
Ng_OCC_Geometry * geo = Ng_OCC_NewGeometry();
OCCGeometry * occgeo = LoadOCC_IGES(filename);
// Create the initial triangulation for the OCC
BRepMesh_IncrementalMesh::BRepMesh_IncrementalMesh(occgeo->shape,0.1);
geo = (Ng_OCC_Geometry *)occgeo;
return (geo);
}