C++ (Cpp) ON_Surface::GetNurbForm示例

示例#1

文件： opennurbs_gl.cpp 项目： Bardo91/pcl

void ON_GL( 
      const ON_Surface& surface,   // 
      GLUnurbsObj* nobj           // created with gluNewNurbsRenderer
      )
{
  ON_NurbsSurface tmp;
  const ON_NurbsSurface* nurbs_surface;
  nurbs_surface = ON_NurbsSurface::Cast(&surface);
  if ( !nurbs_surface ) {
    if ( surface.GetNurbForm(tmp) ) {
      nurbs_surface = &tmp;
    }
  }
  if ( nurbs_surface )
    ON_GL( *nurbs_surface, nobj, 0, true );
}