diff options
Diffstat (limited to 'include/astra/ProjectionGeometry3D.h')
| -rw-r--r-- | include/astra/ProjectionGeometry3D.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/astra/ProjectionGeometry3D.h b/include/astra/ProjectionGeometry3D.h index 2cff9f1..73e446b 100644 --- a/include/astra/ProjectionGeometry3D.h +++ b/include/astra/ProjectionGeometry3D.h @@ -307,6 +307,16 @@ public: */ virtual void indexToAngleDetectorIndex(int _iIndex, int& _iAngleIndex, int& _iDetectorIndex) const; + /** Find a bounding box of the projections of a box in the volume. + * It may not be the tighest possible bounding box. + * This may fall (partially or fully) outside of the actual detector. + */ + virtual void getProjectedBBox(double fXMin, double fXMax, + double fYMin, double fYMax, + double fZMin, double fZMax, + double &fUMin, double &fUMax, + double &fVMin, double &fVMax) const; + /** Project a point onto the detector. The 3D point coordinates * are in units. The output fU,fV are the (unrounded) indices of the * detector column and row. |