[vtkusers] Strange rendering problem - renderwindow becomes black

[Andras Lasso]

Determinant of this matrix is negative, which means that you turn the model inside out. You can use vtkReverseSense or vtkPolyDataNormals (with auto-orientation enabled) to fix it.

Andras

________________________________
From: vinmean <iamdpak at gmail.com>
Sent: Tuesday, September 18, 2018 6:39 PM
To: vtkusers at vtk.org
Subject: Re: [vtkusers] Strange rendering problem - renderwindow becomes black

The problem is with some of the transformation matrices. But I don't see any
thing wrong with the matrix as the same matrix works well with actors
without textures. Below is one such matrix that gives me this issue.

        Eigen::Matrix4d tmat;
         tmat <<   0.997911, -0.00378345,   0.0644943,   0.0259245,
         -0.0180899,    0.941987,    0.335162,    0.129426,
          0.0620209,    0.335629,    -0.93995,   -0.772905,
                  0,           0,           0,           1;





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