From 490807b4f205cc7de810e946b87631b5973cef72 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Wed, 17 Feb 2010 15:04:37 +0100
Subject: Do peak locations in floating point

---
 src/displaywindow.c | 8 ++++----
 src/render.c        | 8 +++-----
 2 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/src/displaywindow.c b/src/displaywindow.c
index d7f66002..5831d034 100644
--- a/src/displaywindow.c
+++ b/src/displaywindow.c
@@ -411,22 +411,22 @@ static void load_features_from_file(struct image *image, const char *filename)
 
 	do {
 		char line[1024];
-		int x, y, r, d;
-		float df;
+		float x, y, d, df;
+		int r;
 
 		rval = fgets(line, 1023, fh);
 		if ( rval == NULL ) continue;
 		chomp(line);
 
 		/* Try long format (output of pattern_sim --near-bragg) */
-		r = sscanf(line, "%i %i %i %f (at %i,%i)",
+		r = sscanf(line, "%f %f %f %f (at %f,%f)",
 		           &d, &d, &d, &df, &x, &y);
 		if ( r == 6 ) {
 			image_add_feature(image->features, x, y, image, 1.0);
 			continue;
 		}
 
-		r = sscanf(line, "%i %i", &x, &y);
+		r = sscanf(line, "%f %f", &x, &y);
 		if ( r != 2 ) continue;
 
 		image_add_feature(image->features, x, y, image, 1.0);
diff --git a/src/render.c b/src/render.c
index 3586b962..9bdb9a75 100644
--- a/src/render.c
+++ b/src/render.c
@@ -174,16 +174,14 @@ static void show_marked_features(struct image *image, guchar *data,
 	for ( i=0; i<image_feature_count(image->features); i++ ) {
 
 		struct imagefeature *f;
-		int x, y;
+		float x, y;
 		double th;
 
 		f = image_get_feature(image->features, i);
 		if ( f == NULL ) continue;
 
-		x = f->x;  y = f->y;
-
-		x /= binning;
-		y /= binning;
+		x = f->x / (float)binning;
+		y = f->y / (float)binning;
 
 		for ( th=0; th<2*M_PI; th+=M_PI/40.0 ) {
 
-- 
cgit v1.2.3