Пример #1
0
float QgsTerrainGenerator::rootChunkError( const Qgs3DMapSettings &map ) const
{
  QgsRectangle te = extent();
  QgsCoordinateTransform terrainToMapTransform( crs(), map.crs() );
  te = terrainToMapTransform.transformBoundingBox( te );

  // use texel size as the error
  return te.width() / map.mapTileResolution();
}