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-rw-r--r--libcrystfel/src/geometry.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/libcrystfel/src/geometry.c b/libcrystfel/src/geometry.c
index 92284c3d..ca91082b 100644
--- a/libcrystfel/src/geometry.c
+++ b/libcrystfel/src/geometry.c
@@ -370,6 +370,11 @@ double r_gradient(UnitCell *cell, int k, Reflection *refl, struct image *image)
case GPARAM_CSZ :
return - ls * cos(phi);
+ case GPARAM_DETX :
+ case GPARAM_DETY :
+ case GPARAM_CLEN :
+ return 0.0;
+
}
ERROR("No r gradient defined for parameter %i\n", k);