emitter representation

src/Vtk/uLibVtkInterface.cxx

@@ -215,6 +215,7 @@ vtkProp *Puppet::GetProp()
 void Puppet::SetProp(vtkProp *prop)
 {
     if(prop) {
+        prop->SetPickable(d->m_Selectable);
         if (auto* p3d = vtkProp3D::SafeDownCast(prop)) {
             d->m_Assembly->AddPart(p3d);
         }
@@ -414,6 +415,11 @@ void Puppet::SetOpacity(double alpha)
 void Puppet::SetSelectable(bool selectable)
 {
     d->m_Selectable = selectable;
+    vtkProp3DCollection *props = d->m_Assembly->GetParts();
+    props->InitTraversal();
+    for (int i = 0; i < props->GetNumberOfItems(); ++i) {
+        props->GetNextProp3D()->SetPickable(selectable);
+    }
 }
 
 bool Puppet::IsSelectable() const