SetEdgeVisibility(1) in VTK 9.1 is now wrong in many models

[LexaMark]

Some discussions are in another page in the Support category while this problem should be in the development category.

Edge Show

inner edge display for quadric element is not correct for version 9.1

Dear Cory Quammen and Mathieu Westphal, thanks for your reply. Below is the sample code i used to test and generate above images. void testReadPolydata(int argc, char* argv[]) { vtkNew<vtkXMLPolyDataReader> reader; reader->SetFileName(argv[1]); reader->Update(); auto poly = reader->GetOutput(); vtkNew<vtkOpenGLPolyDataMapper> mapper; mapper->SetInputData(poly); vtkNew<vtkActor> actor; actor->SetMapper(mapper); actor->GetProperty()->SetEdgeVisibility(1); …