if (! itrChildren.hasNext())
continue;
while (itrChildren.hasNext())
{
Renderable rndCurChild = itrChildren.next();
if (!(rndCurChild instanceof IGfrHandlerWwdEarthObjectGeoforgeRenderableLayer))
continue;
IGfrHandlerWwdEarthObjectGeoforgeRenderableLayer objRndChildCur = (IGfrHandlerWwdEarthObjectGeoforgeRenderableLayer) rndCurChild;