@SuppressWarnings("unchecked")
	int addVertexCopy(Point3f vertex, float value, boolean iHaveAssociation, String sKey) {
		int vPt = currentMesh.addVertexCopy(vertex, value);
		if (associateNormals && iHaveAssociation) {
			assocGridPointMap.put(new Integer(vPt), sKey);
			if (!assocGridPointNormals.containsKey(sKey))
				assocGridPointNormals.put(sKey, new Vector3f(0, 0, 0));
		}
		return vPt;
	}