From 8571d4a0559fa3e448df8f3084bada5008600402 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Thu, 22 May 2014 10:34:13 +0200
Subject: Add average_camera_length to stream

---
 libcrystfel/src/stream.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'libcrystfel')

diff --git a/libcrystfel/src/stream.c b/libcrystfel/src/stream.c
index 34c14573..54d4597e 100644
--- a/libcrystfel/src/stream.c
+++ b/libcrystfel/src/stream.c
@@ -421,6 +421,13 @@ void write_chunk(Stream *st, struct image *i, struct hdfile *hdfile,
 	if ( i->det != NULL ) {
 
 		int j;
+		double tclen = 0.0;
+
+		for ( j=0; j<i->det->n_panels; j++ ) {
+			tclen += i->det->panels[j].clen;
+		}
+		fprintf(st->fh, "average_camera_length = %f m\n",
+		        tclen / i->det->n_panels);
 
 		for ( j=0; j<i->det->n_rigid_groups; j++ ) {
 
-- 
cgit v1.2.3