From 7e5c548f918da7747cb8f21d52e3a5ac7f799148 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Tue, 11 Jul 2023 14:18:37 +0200
Subject: Add detgeom_group_center

---
 libcrystfel/src/detgeom.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libcrystfel/src/detgeom.h')

diff --git a/libcrystfel/src/detgeom.h b/libcrystfel/src/detgeom.h
index 4df67c0c..5a1a758e 100644
--- a/libcrystfel/src/detgeom.h
+++ b/libcrystfel/src/detgeom.h
@@ -143,6 +143,9 @@ extern void detgeom_show_hierarchy(const struct detgeom *dg);
 
 extern void detgeom_translate_detector_m(struct detgeom *dg, double x, double y, double z);
 
+extern int detgeom_group_center(const struct detgeom_panel_group *grp,
+                                double *x, double *y, double *z);
+
 extern gsl_matrix **make_panel_minvs(struct detgeom *dg);
 
 #ifdef __cplusplus
-- 
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