final HotPixelSnapAction hotPixelSnapAction = new HotPixelSnapAction(hotPixel, parentEdge, hotPixelVertexIndex);
index.query(pixelEnv, new ItemVisitor() {
public void visitItem(Object item) {
MonotoneChain testChain = (MonotoneChain) item;
testChain.select(pixelEnv, hotPixelSnapAction);
}
}
);
return hotPixelSnapAction.isNodeAdded();
}