From d889de524b665bb82caa232b925044a36054464f Mon Sep 17 00:00:00 2001
From: taw27 <taw27@bf6ca9ba-c028-0410-8290-897cf20841d1>
Date: Wed, 24 Oct 2007 19:20:49 +0000
Subject: Preparation for relrod projection refinement Add the option to
 perform a fine centering of patterns

git-svn-id: svn://cook.msm.cam.ac.uk:745/diff-tomo/dtr@174 bf6ca9ba-c028-0410-8290-897cf20841d1
---
 src/reproject.c | 53 ++++++++++++++++++++++++++++++++---------------------
 1 file changed, 32 insertions(+), 21 deletions(-)

(limited to 'src/reproject.c')

diff --git a/src/reproject.c b/src/reproject.c
index 2c84326..b13dd66 100644
--- a/src/reproject.c
+++ b/src/reproject.c
@@ -85,6 +85,7 @@ ImageFeatureList *reproject_get_reflections(ImageRecord *image, ReflectionList *
 			double theta;
 			double x, y;
 			double rx, ry, rz;
+			double xtest, ytest;
 			
 			/* Determine the intersection point */
 			xi = xl + s*nx;  yi = yl + s*ny;  zi = zl + s*nz;
@@ -153,12 +154,10 @@ ImageFeatureList *reproject_get_reflections(ImageRecord *image, ReflectionList *
 					return NULL;
 				}
 				
-				/* Adjust centre */
-				x += image->x_centre;
-				y += image->y_centre;
-				
 				/* Sanity check */
-				if ( (x>=0) && (x<image->width) && (y>=0) && (y<image->height) ) {
+				xtest = x + image->x_centre;
+				ytest = y + image->y_centre;
+				if ( (xtest>=0) && (xtest<image->width) && (ytest>=0) && (ytest<image->height) ) {
 				
 					/* Record the reflection */
 					image_add_feature(flist, x, y, image, reflection->intensity);
@@ -178,10 +177,32 @@ ImageFeatureList *reproject_get_reflections(ImageRecord *image, ReflectionList *
 
 }
 
-static gint reproject_clicked(GtkWidget *widget, GdkEventButton *event, ControlContext *ctx) {
+static void reproject_mark_peaks(ControlContext *ctx) {
 
 	ImageFeatureList *flist;
 	size_t j;
+	double xc, yc;
+	
+	xc = ctx->images->images[ctx->reproject_cur_image].x_centre;
+	yc = ctx->images->images[ctx->reproject_cur_image].y_centre;
+	
+	/* Draw the reprojected peaks */
+	flist = reproject_get_reflections(&ctx->images->images[ctx->reproject_cur_image], ctx->cell_lattice, ctx);
+	for ( j=0; j<flist->n_features; j++ ) {
+		imagedisplay_add_mark(ctx->reproject_id, xc+flist->features[j].x, yc+flist->features[j].y, IMAGEDISPLAY_MARK_CIRCLE_1);
+	}
+	image_feature_list_free(flist);
+	
+	/* Now draw the original measured peaks */
+	flist = ctx->images->images[ctx->reproject_cur_image].features;
+	for ( j=0; j<flist->n_features; j++ ) {
+		imagedisplay_add_mark(ctx->reproject_id, xc+flist->features[j].x, yc+flist->features[j].y, IMAGEDISPLAY_MARK_CIRCLE_2);
+	}
+	
+}
+
+static gint reproject_clicked(GtkWidget *widget, GdkEventButton *event, ControlContext *ctx) {
+
 	
 	ctx->reproject_cur_image++;
 	if ( ctx->reproject_cur_image == ctx->images->n_images ) ctx->reproject_cur_image = 0;
@@ -189,11 +210,7 @@ static gint reproject_clicked(GtkWidget *widget, GdkEventButton *event, ControlC
 	imagedisplay_clear_circles(ctx->reproject_id);
 	reflectionlist_clear_markers(ctx->reflectionlist);
 	
-	flist = reproject_get_reflections(&ctx->images->images[ctx->reproject_cur_image], ctx->cell_lattice, ctx);
-	for ( j=0; j<flist->n_features; j++ ) {
-		imagedisplay_mark_circle(ctx->reproject_id, flist->features[j].x, flist->features[j].y);
-	}
-	image_feature_list_free(flist);
+	reproject_mark_peaks(ctx);
 	
 	imagedisplay_put_data(ctx->reproject_id, ctx->images->images[ctx->reproject_cur_image]);
 	
@@ -208,9 +225,6 @@ static gint reproject_closed(GtkWidget *widget, ControlContext *ctx) {
 
 void reproject_open(ControlContext *ctx) {
 	
-	size_t j;
-	ImageFeatureList *flist;
-	
 	if ( ctx->reproject_id ) {
 		displaywindow_error("Reprojection window is already open.", ctx->dw);
 		return;
@@ -231,16 +245,13 @@ void reproject_open(ControlContext *ctx) {
 	ctx->cell_lattice = reflection_list_from_cell(ctx->cell);
 	ctx->reproject_cur_image = 0;
 	
-	ctx->reproject_id = imagedisplay_open_with_message(ctx->images->images[ctx->reproject_cur_image], "Current Image", "Click to change image",
+	ctx->reproject_id = imagedisplay_open_with_message(ctx->images->images[ctx->reproject_cur_image],
+				"Reprojected Diffraction Pattern", "Click to change image",
 				IMAGEDISPLAY_SHOW_CENTRE | IMAGEDISPLAY_SHOW_TILT_AXIS, G_CALLBACK(reproject_clicked), ctx);
 	
-	g_signal_connect(GTK_OBJECT(ctx->reproject_id->drawingarea), "destroy", G_CALLBACK(reproject_closed), ctx);
+	reproject_mark_peaks(ctx);
 	
-	flist = reproject_get_reflections(&ctx->images->images[ctx->reproject_cur_image], ctx->cell_lattice, ctx);
-	for ( j=0; j<flist->n_features; j++ ) {
-		imagedisplay_mark_circle(ctx->reproject_id, flist->features[j].x, flist->features[j].y);
-	}
-	image_feature_list_free(flist);
+	g_signal_connect(GTK_OBJECT(ctx->reproject_id->drawingarea), "destroy", G_CALLBACK(reproject_closed), ctx);
 	
 }
 
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