From 8b883cd945ec49ec117ceee3b82760eb20d5c3a6 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@bitwiz.org.uk>
Date: Fri, 16 Oct 2009 17:12:49 +0200
Subject: Perform the indexing, and test

---
 src/main.c      |  5 ++++-
 src/sim-main.c  |  4 ++--
 src/templates.c | 41 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 47 insertions(+), 3 deletions(-)

diff --git a/src/main.c b/src/main.c
index 257a1169..9c678667 100644
--- a/src/main.c
+++ b/src/main.c
@@ -93,7 +93,7 @@ int main(int argc, char *argv[])
 
 		struct image image;
 
-		printf("%6i: %s\n", i+1, in_files[i]);
+		printf("%6i: %s  ", i+1, in_files[i]);
 
 		image.width = 512;
 		image.height = 512;
@@ -112,6 +112,9 @@ int main(int argc, char *argv[])
 
 		try_templates(&image, templates);
 
+		printf("%6.2f %6.2f\n", rad2deg(image.omega),
+		                        rad2deg(image.tilt));
+
 	}
 
 	return 0;
diff --git a/src/sim-main.c b/src/sim-main.c
index f794cdda..9c7c6c3c 100644
--- a/src/sim-main.c
+++ b/src/sim-main.c
@@ -72,8 +72,8 @@ int main(int argc, char *argv[])
 	list = image_list_new();
 	image.width = 512;
 	image.height = 512;
-	image.tilt = deg2rad(10.0);
-	image.omega = deg2rad(0.0);
+	image.tilt = deg2rad(32.0);
+	image.omega = deg2rad(40.0);
 	image.fmode = FORMULATION_CLEN;
 	image.x_centre = 255.5;
 	image.y_centre = 255.5;
diff --git a/src/templates.c b/src/templates.c
index 33dc1720..a66607e1 100644
--- a/src/templates.c
+++ b/src/templates.c
@@ -134,7 +134,48 @@ TemplateList *generate_templates(UnitCell *cell, struct image params)
 }
 
 
+int try_template(struct image *image, struct template template)
+{
+	int fit = 0;
+	struct template_feature *f;
+
+	f = template.features;
+	while ( f != NULL ) {
+
+		int x, y;
+
+		x = f->x;
+		y = f->y;	/* Discards digits after the decimal point */
+
+		fit += image->data[y*image->width+x];
+
+		f = f->next;
+
+	}
+
+	return fit;
+}
+
+
 int try_templates(struct image *image, TemplateList *list)
 {
+	int i;
+	int fit_max = 0;
+	int i_max = 0;
+
+	for ( i=0; i<list->n_templates; i++ ) {
+
+		int fit;
+
+		fit = try_template(image, list->templates[i]);
+		if ( fit > fit_max ) {
+			fit_max = fit;
+			i_max = i;
+		}
+
+	}
+	image->omega = list->templates[i_max].omega;
+	image->tilt = list->templates[i_max].tilt;
+
 	return 0;
 }
-- 
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