[vtkusers] vtkPropPicker - Get Surface Area of actor (polygon)

[polys_poly at hotmail.com]

Hello, 

I am creating some polygons in 3D and i am picking these actors using the following code

int mouseX = m_pRenderWindow->GetInteractor()->GetEventPosition()[0];
int mouseY = m_pRenderWindow->GetInteractor()->GetEventPosition()[1]; 
 
vtkObject* prop = vtkProp::New();
int i = m_pPropPicker->PickProp(mouseX, mouseY, pChildFrameReference->m_wndView.m_pVTK->m_pRenderer);
if (i==1)
  prop = m_pPropPicker->GetViewProp();

How can i get the surface area of the polygon picked?

Thanks in advance,
Polys
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