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-rw-r--r--libcrystfel/src/detector.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/libcrystfel/src/detector.c b/libcrystfel/src/detector.c
index 5bdfcec2..72b72f08 100644
--- a/libcrystfel/src/detector.c
+++ b/libcrystfel/src/detector.c
@@ -937,9 +937,11 @@ struct detector *get_detector_geometry(const char *filename,
return NULL;
}
- beam->photon_energy = -1.0;
- beam->photon_energy_from = NULL;
- beam->photon_energy_scale = 1.0;
+ if ( beam != NULL ) {
+ beam->photon_energy = -1.0;
+ beam->photon_energy_from = NULL;
+ beam->photon_energy_scale = 1.0;
+ }
det->n_panels = 0;
det->panels = NULL;
@@ -1280,7 +1282,7 @@ struct detector *get_detector_geometry(const char *filename,
}
}
- if ( beam->photon_energy < -0.5 ) {
+ if ( (beam != NULL) && (beam->photon_energy < -0.5) ) {
STATUS("Photon energy must be specified (note: this is now "
"done in the 'geometry' file.\n");
reject = 1;