Add check for beam in Experiment.get_type

cctbx · May 31, 2024 · a724d7d · a724d7d
1 parent 4e8320c
commit a724d7d
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/src/dxtbx/model/experiment.h b/src/dxtbx/model/experiment.h
@@ -157,10 +157,12 @@ namespace dxtbx { namespace model {
  return TOF;
  }
 
- dxtbx::model::BeamBase &beam_base_ref = *beam_;
- PolychromaticBeam *beam = dynamic_cast<PolychromaticBeam *>(&beam_base_ref);
- if (beam != nullptr) {
- return LAUE;
+ if (beam_) {
+ dxtbx::model::BeamBase &beam_base_ref = *beam_;
+ PolychromaticBeam *beam = dynamic_cast<PolychromaticBeam *>(&beam_base_ref);
+ if (beam != nullptr) {
+ return LAUE;
+ }
  }
 
  if (!goniometer_ || !scan_ || scan_->is_still()) {