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<div>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.
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Andras<br>
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<div style="border:none; padding:3.0pt 0cm 0cm 0cm"><span style="font-size:11.0pt; font-family:'Calibri','sans-serif'"><b>From:</b> vinmean <iamdpak@gmail.com><br>
<b>Sent:</b> Tuesday, September 18, 2018 6:39 PM<br>
<b>To:</b> vtkusers@vtk.org<br>
<b>Subject:</b> Re: [vtkusers] Strange rendering problem - renderwindow becomes black<br>
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<div class="PlainText">The problem is with some of the transformation matrices. But I don't see any<br>
thing wrong with the matrix as the same matrix works well with actors<br>
without textures. Below is one such matrix that gives me this issue.<br>
   <br>
        Eigen::Matrix4d tmat;<br>
         tmat <<   0.997911, -0.00378345,   0.0644943,   0.0259245,<br>
         -0.0180899,    0.941987,    0.335162,    0.129426,<br>
          0.0620209,    0.335629,    -0.93995,   -0.772905,<br>
                  0,           0,           0,           1;<br>
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