Move water calculation to diffraction.c, and work out the consequences

1 files changed, 6 insertions, 1 deletions

diff --git a/src/detector.h b/src/detector.h
index f71768c6..d6e740a0 100644
--- a/src/detector.h
+++ b/src/detector.h
@@ -38,7 +38,12 @@ struct detector
 	int           n_panels;
 };
 
-extern void record_image(struct image *image, int do_water, int do_poisson);
+
+/* x,y in pixels relative to central beam */
+extern int map_position(struct image *image, double x, double y,
+                        double *rx, double *ry, double *rz);
+
+extern void record_image(struct image *image, int do_poisson);
 
 extern struct panel *find_panel(struct detector *det, int x, int y);