CSGHomogeneousTransformation elem = new CSGHomogeneousTransformation();
csgso.addCSGNode(elem);
return elem;
} else if (elementName.equals(SpatialConstants.spatialPoint)) {
ParametricGeometry pg = (ParametricGeometry) listOf.getParentSBMLObject();
SpatialPoint elem = new SpatialPoint();
pg.addSpatialPoint(elem);
return elem;
} else if (elementName.equals(SpatialConstants.parametricObject)) {
ParametricGeometry pg = (ParametricGeometry) listOf.getParentSBMLObject();
ParametricObject elem = new ParametricObject();