make getter const

2021-01-06 15:50:08 -05:00 · 2021-01-06 15:50:08 -05:00 · 7daf01be3d
parent 758ece7238
commit 7daf01be3d
1 changed files with 1 additions and 1 deletions
--- a/gtsam/slam/dataset.h
+++ b/gtsam/slam/dataset.h
@ -227,7 +227,7 @@ struct SfmTrack {
  std::vector<SiftIndex> siftIndices;
  
  /// Get RGB values describing 3d point
-  Point3 rgb() const { return Point3(r, g, b); }
+  const Point3 rgb() const { return Point3(r, g, b); }

  /// Total number of measurements in this track
  size_t number_measurements() const {