TopologyStretcher stretcher = new TopologyStretcher(g0, g1);
// check if view is valid (performant enough) to render
if (maskEnv != null) {
isViewPerformant = stretcher.numVerticesInMask(maskEnv) < MAX_VERTICES_IN_MASK;
}
if (! isViewPerformant)
return;
stretchGeom = stretcher.stretch(nearnessTol, stretchSize, maskEnv);