origin[1] = origin[1] + normal[1]*bbGetInputParam();
origin[2] = origin[2] + normal[2]*bbGetInputParam();
bbGetInputIn()->SetOrigin(origin);
origin[1] = origin[1] + normal[1]*bbGetInputParam();
origin[2] = origin[2] + normal[2]*bbGetInputParam();
bbGetInputIn()->SetOrigin(origin);