paint method

@override bool paint()

Implementation

@override
bool paint() {
  clip().commandGWorld( width().toInt(), height().toInt() );
  clip().commandGColor( 252 );
  clip().procLine( "plot3d [\"exp([-\\](x*x+y*y] \\-2 2 0.2 \\-2 2 0.2 0.2 5 1" );
//    clip().updateCanvas();
  return false;
}