1 files changed, 2 insertions, 0 deletions
diff --git a/src/detector.h b/src/detector.h
index c4e06cef..7db90e21 100644
--- a/src/detector.h
+++ b/src/detector.h
@@ -78,6 +78,8 @@ extern void get_pixel_extents(struct detector *det,
 
 extern void fill_in_values(struct detector *det, struct hdfile *f);
 
+extern struct detector *copy_geom(const struct detector *in);
+
 extern int reverse_2d_mapping(double x, double y, double *pfs, double *pss,
                               struct detector *det);