public void SetTopMost()
{
vtkRenderer _aRender = _rendererPackage.Renderer;
if (_aRender.GetLayer() > 0)
{
return;
}
if (_aRender.GetRenderWindow().GetRenderers().GetNumberOfItems() == 1)
{
vtkRenderer ren1 = vtkRenderer.New(); // 2d actor
ren1.SetLayer(1); // top layer
ren1.InteractiveOff();
_aRender.SetLayer(0);
_aRender.GetRenderWindow().SetNumberOfLayers(2);
_aRender.GetRenderWindow().AddRenderer(ren1);
//ren1.SetActiveCamera(_aRender.GetActiveCamera());
//new SpherePackage(ren1, new double[] { 0, 0, 0 }, 600).SetOpacity(0.01f);
_aRender.SetActiveCamera(ren1.GetActiveCamera());
_aRender.RemoveActor(Actor);
ren1.AddActor(Actor);
_aRender.InteractiveOn();
}
else
{
for (int i = 0; i < _aRender.GetRenderWindow().GetRenderers().GetNumberOfItems(); ++i)
{
int layer = vtkRenderer.SafeDownCast(_aRender.GetRenderWindow().GetRenderers().GetItemAsObject(i)).GetLayer();
if (layer == 1)
{
vtkRenderer.SafeDownCast(_aRender.GetRenderWindow().GetRenderers().GetItemAsObject(i)).AddActor(Actor);
}
else
{
vtkRenderer.SafeDownCast(_aRender.GetRenderWindow().GetRenderers().GetItemAsObject(i)).RemoveActor(Actor);
}
}
}
}