public void addGraph(Cat RG,boolean add) {
for(int i=0;i<size();i++) {
IVertex V=vertices[i];
RankedData RD=(RankedData)RG.rawVertexData(V.key);
//Object RS=RG.getSelected(V.key);
Object RS=getIFilter().filterVertex(RD);
// V = key + data
Vertex3D GV;