diff options
-rw-r--r-- | libcrystfel/src/datatemplate.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/libcrystfel/src/datatemplate.c b/libcrystfel/src/datatemplate.c index bbcf1aa5..c270b128 100644 --- a/libcrystfel/src/datatemplate.c +++ b/libcrystfel/src/datatemplate.c @@ -2051,8 +2051,13 @@ struct detgeom *create_detgeom(struct image *image, break; case ADU_PER_EV: - p->adu_per_photon = tmpl->adu_scale - * ph_lambda_to_eV(image->lambda); + if ( image == NULL ) { + p->adu_per_photon = NAN; + ERROR("Cannot use adu_per_eV without image\n"); + } else { + p->adu_per_photon = tmpl->adu_scale + * ph_lambda_to_eV(image->lambda); + } break; default: |