Vector3d norm2 = new Vector3d(0,0,1);
li = triangulator.points.listIterator();
for (int i=0; li.hasNext(); i++) {
Point2d curPoint = (Point2d)li.next();
triVertices[i]=new Vertex3d(new Point3d(curPoint.x,curPoint.y,-extz/2),norm1,null,null,new TexCoord2f());
triVertices[triangulator.points.size()+i]=new Vertex3d(new Point3d(curPoint.x,curPoint.y,extz/2),norm2,null,null,new TexCoord2f());
}
li = triangulator.triangles.listIterator();
for (int i=0; li.hasNext(); i++) {
Triangle curTri = (Triangle)li.next();