ColoringAttributes ca = new ColoringAttributes();
ca.setColor(0.0f,0.0f,1.0f);
a.setColoringAttributes(ca);
Shape3D saxis = new Shape3D(la, a);
saxis.setName("X");
g.addChild(saxis);
// Y axis in green
axis = makeAxis(1);
la = new LineArray(axis.length/3, LineArray.COORDINATES);
la.setCoordinates(0,axis);