From 5d916db27e826138312d59c9777a224e8f30771f Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Tue, 8 Mar 2011 15:24:56 +0100
Subject: Throw out detected peaks in bad regions

---
 src/detector.c | 36 ++++++++++++++++++++++++++++++++++++
 src/detector.h |  2 ++
 src/peaks.c    | 13 +++++--------
 3 files changed, 43 insertions(+), 8 deletions(-)

(limited to 'src')

diff --git a/src/detector.c b/src/detector.c
index b3ef6563..c5c56476 100644
--- a/src/detector.c
+++ b/src/detector.c
@@ -100,6 +100,42 @@ struct rvec get_q(struct image *image, double fs, double ss,
 }
 
 
+int in_bad_region(struct detector *det, double fs, double ss)
+{
+	double rx, ry;
+	struct panel *p;
+	double xs, ys;
+	int i;
+
+	/* Determine which panel to use */
+	const unsigned int x = fs;
+	const unsigned int y = ss;
+	p = find_panel(det, x, y);
+
+	/* No panel found -> definitely bad! */
+	if ( p == NULL ) return 1;
+
+	/* Convert xs and ys, which are in fast scan/slow scan coordinates,
+	 * to x and y */
+	xs = (fs-(double)p->min_fs)*p->fsx + (ss-(double)p->min_ss)*p->ssx;
+	ys = (fs-(double)p->min_fs)*p->fsy + (ss-(double)p->min_ss)*p->ssy;
+
+	rx = (xs + p->cnx) / p->res;
+	ry = (ys + p->cny) / p->res;
+
+	for ( i=0; i<det->n_bad; i++ ) {
+		struct badregion *b = &det->bad[i];
+		if ( rx < b->min_x ) continue;
+		if ( rx > b->max_x ) continue;
+		if ( ry < b->min_y ) continue;
+		if ( ry > b->max_y ) continue;
+		return 1;
+	}
+
+	return 0;
+}
+
+
 double get_tt(struct image *image, double fs, double ss)
 {
 	double r, rx, ry;
diff --git a/src/detector.h b/src/detector.h
index 4c849a77..6570ef50 100644
--- a/src/detector.h
+++ b/src/detector.h
@@ -80,6 +80,8 @@ extern struct rvec get_q(struct image *image, double fs, double ss,
 
 extern double get_tt(struct image *image, double xs, double ys);
 
+extern int in_bad_region(struct detector *det, double fs, double ss);
+
 extern void record_image(struct image *image, int do_poisson);
 
 extern struct panel *find_panel(struct detector *det, int x, int y);
diff --git a/src/peaks.c b/src/peaks.c
index d7e202ee..65bf01fb 100644
--- a/src/peaks.c
+++ b/src/peaks.c
@@ -47,14 +47,6 @@
 #define PEAK_WINDOW_SIZE (10)
 
 
-static int in_streak(int x, int y)
-{
-	if ( (y>512) && (y<600) && (abs(x-489)<15) ) return 1;
-	if ( (y>600) && (abs(x-480)<25) ) return 1;
-	return 0;
-}
-
-
 static int is_hot_pixel(struct image *image, int x, int y)
 {
 	int dx, dy;
@@ -386,6 +378,11 @@ static void search_peaks_in_panel(struct image *image, float threshold,
 			continue;
 		}
 
+		if ( in_bad_region(image->det, f_fs, f_ss) ) {
+			nrej_bad++;
+			continue;
+		}
+
 		/* It is possible for the centroid to fall outside the image */
 		if ( (f_fs < p->min_fs) || (f_fs > p->max_fs)
 		  || (f_ss < p->min_ss) || (f_ss > p->max_ss) ) {
-- 
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