public void removeVertex(int index) {
public void removeVertex(DXFVertex vertex) {
	public void removeVertex(int index) {		constantWidth = true;		for (int i = 0; i < vertices.size(); i++) {			DXFVertex v = (DXFVertex) vertices.get(i);			if (index == i) {				vertices.remove(i);			} else if (!v.isConstantWidth()) {				constantWidth = false;			}		}	}