message: Clear collimation when clearing geometry
diff: @@ -266,6 +266,10 @@ void rtk::ThreeDCircularProjectionGeometry::Clear()
  m_SourceToDetectorDistances.clear();
  m_ProjectionOffsetsX.clear();
  m_ProjectionOffsetsY.clear();
  + m_CollimationUInf.clear();
  + m_CollimationUSup.clear();
  + m_CollimationVInf.clear();
  + m_CollimationVSup.clear();
  m_ProjectionTranslationMatrices.clear();
  m_MagnificationMatrices.clear();
  