hdfsee: added an option to overlay rings with user-defined radii

src/dw-hdfsee.c

@@ -240,16 +240,24 @@ static int draw_stuff(cairo_surface_t *surf, DisplayWindow *dw)
 		//show_simple_ring(cr, dw, 380.0, &basic_m);
 
 		/* Draw resolution circles */
-		show_ring(cr, dw, 10.0e-10, "10A", &basic_m, 1.0, 0.0, 0.0);
-		show_ring(cr, dw, 9.0e-10, "9A", &basic_m, 1.0, 0.0, 0.0);
-		show_ring(cr, dw, 8.0e-10, "8A", &basic_m, 1.0, 0.0, 0.0);
-		show_ring(cr, dw, 7.0e-10, "7A", &basic_m, 1.0, 0.5, 0.0);
-		show_ring(cr, dw, 6.0e-10, "6A", &basic_m, 1.0, 1.0, 0.0);
-		show_ring(cr, dw, 5.0e-10, "5A", &basic_m, 0.0, 1.0, 0.0);
-		show_ring(cr, dw, 4.0e-10, "4A", &basic_m, 0.0, 1.0, 0.0);
-//		show_ring(cr, dw, 3.0e-10, "3A", &basic_m);
-//		show_ring(cr, dw, 2.0e-10, "2A", &basic_m);
-//		show_ring(cr, dw, 1.0e-10, "1A", &basic_m);
+		if ( dw->n_rings == -1 ) {
+			/* n_rings == -1 means default behavior */
+			show_ring(cr, dw, 10.0e-10, "10A", &basic_m, 1.0, 0.0, 0.0);
+			show_ring(cr, dw, 9.0e-10, "9A", &basic_m, 1.0, 0.0, 0.0);
+			show_ring(cr, dw, 8.0e-10, "8A", &basic_m, 1.0, 0.0, 0.0);
+			show_ring(cr, dw, 7.0e-10, "7A", &basic_m, 1.0, 0.5, 0.0);
+			show_ring(cr, dw, 6.0e-10, "6A", &basic_m, 1.0, 1.0, 0.0);
+			show_ring(cr, dw, 5.0e-10, "5A", &basic_m, 0.0, 1.0, 0.0);
+			show_ring(cr, dw, 4.0e-10, "4A", &basic_m, 0.0, 1.0, 0.0);
+			//show_ring(cr, dw, 3.0e-10, "3A", &basic_m);
+			//show_ring(cr, dw, 2.0e-10, "2A", &basic_m);
+			//show_ring(cr, dw, 1.0e-10, "1A", &basic_m);
+		} else {
+			int i;
+			for ( i=0; i<dw->n_rings; i++ ) {
+				show_simple_ring(cr, dw, dw->ring_radii[i], &basic_m);
+			}
+		}
 
 	}
 
@@ -1720,7 +1728,8 @@ DisplayWindow *displaywindow_open(const char *filename, const char *peaks,
                                   int boost, int binning, int cmfilter,
                                   int noisefilter, int colscale,
                                   const char *element, const char *geometry,
-                                  int show_rings, double ring_size)
+                                  int show_rings, double *ring_radii, int n_rings, 
+                                  double ring_size)
 {
 	DisplayWindow *dw;
 	char *title;
@@ -1749,6 +1758,8 @@ DisplayWindow *displaywindow_open(const char *filename, const char *peaks,
 	dw->not_ready_yet = 1;
 	dw->surf = NULL;
 	dw->ring_radius = ring_size;
+	dw->ring_radii = ring_radii;
+	dw->n_rings = n_rings;
 
 	/* Open the file, if any */
 	if ( filename != NULL ) {

src/dw-hdfsee.h

@@ -87,6 +87,8 @@ typedef struct {
 	int             show_rings;
 	int		show_peaks;
 	double          ring_radius;
+	double          *ring_radii;
+	int             n_rings;
 
 	int		show_col_scale;
 	int		scale;
@@ -101,7 +103,7 @@ extern DisplayWindow *displaywindow_open(const char *filename,
                                          int noisefilter, int colscale,
                                          const char *element,
                                          const char *geometry, int show_rings,
-                                         double ring_size);
+                                         double *ring_radii, int n_rings, double ring_size);
 
 
 #endif	/* DISPLAYWINDOW_H */

src/hdfsee.c

@@ -99,7 +99,10 @@ int main(int argc, char *argv[])
 	char *element = NULL;
 	char *geometry = NULL;
 	double ring_size = 5.0;
-
+	char *reslist = NULL;
+	double ring_radii[128];
+	int n_rings = -1;
+	
 	/* Long options */
 	const struct option longopts[] = {
 		{"help",               0, NULL,               'h'},
@@ -113,6 +116,7 @@ int main(int argc, char *argv[])
 		{"geometry",           1, NULL,               'g'},
 		{"show-rings",         0, &config_showrings,   1},
 		{"ring-size",          1, NULL,                2},
+		{"simple-rings",       1, NULL,               'r'},
 		{0, 0, NULL, 0}
 	};
 
@@ -168,7 +172,26 @@ int main(int argc, char *argv[])
 				ERROR("Ring size must be numerical.\n");
 				return 1;
 			}
-
+		case 'r' :
+			config_showrings = 1;
+			reslist = strdup(optarg);
+			int nchar = strlen(reslist);
+			char thisvalue[128];
+			int i;
+			int j=0;
+			n_rings = 0;
+			for ( i=0; i<=nchar; i++ ) {
+				if ( ( reslist[i] != ',' ) && ( reslist[i] != '\0' ) ) {
+					thisvalue[j] = reslist[i];
+					j++;
+				} else {
+					j=0;
+					thisvalue[i] = '\0';
+					ring_radii[n_rings] = atof(thisvalue);
+					n_rings++;
+				}
+			}
+			break;
 		case 0 :
 			break;
 
@@ -208,6 +231,8 @@ int main(int argc, char *argv[])
 		                                         colscale, element,
 		                                         geometry,
 		                                         config_showrings,
+		                                         ring_radii,
+		                                         n_rings,
 		                                         ring_size);
 		if ( main_window_list[i] == NULL ) {
 			ERROR("Couldn't open display window\n");