Stereo triangulation: Bug fix: Check for NaN values.

zmoratto · Oct 1, 2012 · bf7397b · bf7397b
1 parent 08392b9
commit bf7397b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/vw/Stereo/StereoModel.cc b/src/vw/Stereo/StereoModel.cc
@@ -117,6 +117,10 @@ bool StereoModel::are_nearly_parallel(Vector3 const& vec1, Vector3 const& vec2)
 Vector3 StereoModel::operator()(Vector2 const& pix1,
                                 Vector2 const& pix2, double& error ) const {
 
+
+  // Check for NaN values
+  if (pix1 != pix1 || pix2 != pix2) return Vector3();
+
   try {
     // determine range by triangulation
     Vector3 vec1 = m_camera1->pixel_to_vector(pix1);