checkInvariant();
if(imagedata != NULL){
image = imagedata;
wxMaracasSurfaceRenderingManagerData* data = new wxMaracasSurfaceRenderingManagerDataMhd(imagedata, dataname, _interactor);
prop3Dvect.push_back(data);
_renderer->AddActor(data->getProp3D());
checkInvariant();
if(imagedata != NULL){
image = imagedata;
wxMaracasSurfaceRenderingManagerData* data = new wxMaracasSurfaceRenderingManagerDataMhd(imagedata, dataname, _interactor);
prop3Dvect.push_back(data);
_renderer->AddActor(data->getProp3D());