GtkWidget *drawing;
GtkWidget *config_body;
static Sweep *cur_sweep = NULL; // make this not global
-static int nred, ngreen, nblue;
-static char red[256], green[256], blue[256];
+//static int nred, ngreen, nblue;
+//static char red[256], green[256], blue[256];
+static colormap_t *colormap;
static guint sweep_tex = 0;
static AWeatherGui *gui = NULL;
/**************************
* Data loading functions *
**************************/
-/* return a GL alpha value for a radar pixle */
-static guint8 get_alpha(guint8 db)
-{
- if (db == BADVAL) return 0;
- if (db == RFVAL ) return 0;
- if (db == APFLAG) return 0;
- if (db == NOECHO) return 0;
- if (db == 0 ) return 0;
- if (db > 60) return 0;
- else if (db < 10) return 0;
- else if (db < 25) return (db-10)*(255.0/15);
- else return 255;
-}
-
/* Convert a sweep to an 2d array of data points */
static void bscan_sweep(Sweep *sweep, guint8 **data, int *width, int *height)
{
for (bi = 0; bi < ray->h.nbins; bi++) {
/* copy RGBA into buffer */
//guint val = dz_f(ray->range[bi]);
- guint val = ray->h.f(ray->range[bi]);
- guint buf_i = (ri*max_bins+bi)*4;
- buf[buf_i+0] = red[val];
- buf[buf_i+1] = green[val];
- buf[buf_i+2] = blue[val];
- buf[buf_i+3] = get_alpha(val);
+ guint8 val = (guint8)ray->h.f(ray->range[bi]);
+ guint buf_i = (ri*max_bins+bi)*4;
+ buf[buf_i+0] = colormap->data[val][0];
+ buf[buf_i+1] = colormap->data[val][1];
+ buf[buf_i+2] = colormap->data[val][2];
+ buf[buf_i+3] = colormap->data[val][3];
+ if (val == BADVAL || val == RFVAL || val == APFLAG ||
+ val == NOTFOUND_H || val == NOTFOUND_V || val == NOECHO) {
+ buf[buf_i+3] = 0x00; // transparent
+ }
}
}
*data = buf;
}
+static void load_color_table(char *table)
+{
+ for (int i = 0; colormaps[i].name; i++)
+ if (g_str_equal(colormaps[i].name, table))
+ colormap = &colormaps[i];
+}
+
/* Load a sweep as the active texture */
static void load_sweep(Sweep *sweep)
{
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
g_free(data);
- gdk_window_invalidate_rect(drawing->window, &drawing->allocation, FALSE);
- gdk_window_process_updates(drawing->window, FALSE);
+ gtk_widget_queue_draw(aweather_gui_get_widget(gui, "drawing"));
aweather_gui_gl_end(gui);
}
char *label = g_strdup_printf("Tilt: %.2f (%s)", sweep->h.elev, vol->h.type_str);
button = gtk_radio_button_new_with_label_from_widget(GTK_RADIO_BUTTON(button), label);
g_object_set(button, "draw-indicator", FALSE, NULL);
+ g_signal_connect_swapped(button, "clicked", G_CALLBACK(load_color_table), vol->h.type_str);
g_signal_connect_swapped(button, "clicked", G_CALLBACK(load_sweep), sweep);
gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, TRUE, 0);
g_free(label);
return;
}
- /* TODO: replace this with a better color table */
- g_message("loading color table");
- RSL_load_refl_color_table();
- RSL_get_color_table(RSL_RED_TABLE, red, &nred);
- RSL_get_color_table(RSL_GREEN_TABLE, green, &ngreen);
- RSL_get_color_table(RSL_BLUE_TABLE, blue, &nblue);
-
/* Load the first sweep by default */
if (radar->h.nvolumes < 1 || radar->v[0]->h.nsweeps < 1) {
g_warning("No sweeps found\n");
if (radar->v[vi]== NULL) continue;
for (int si = 0; si < radar->v[vi]->h.nsweeps; si++) {
if (radar->v[vi]->sweep[si]== NULL) continue;
+ load_color_table(radar->v[vi]->h.type_str);
load_sweep(radar->v[vi]->sweep[si]);
break;
}
glMatrixMode(GL_PROJECTION); glPushMatrix(); glLoadIdentity();
glBegin(GL_QUADS);
int i;
- for (i = 0; i < nred; i++) {
- glColor4ub(red[i], green[i], blue[i], get_alpha(i));
- glVertex3f(-1.0, (float)((i ) - nred/2)/(nred/2), 0.0); // bot left
- glVertex3f(-1.0, (float)((i+1) - nred/2)/(nred/2), 0.0); // top left
- glVertex3f(-0.9, (float)((i+1) - nred/2)/(nred/2), 0.0); // top right
- glVertex3f(-0.9, (float)((i ) - nred/2)/(nred/2), 0.0); // bot right
+ for (i = 0; i < 256; i++) {
+ glColor4ub(colormap->data[i][0],
+ colormap->data[i][1],
+ colormap->data[i][2],
+ colormap->data[i][3]);
+ glVertex3f(-1.0, (float)((i ) - 256/2)/(256/2), 0.0); // bot left
+ glVertex3f(-1.0, (float)((i+1) - 256/2)/(256/2), 0.0); // top left
+ glVertex3f(-0.9, (float)((i+1) - 256/2)/(256/2), 0.0); // top right
+ glVertex3f(-0.9, (float)((i ) - 256/2)/(256/2), 0.0); // bot right
}
glEnd();
glEnable(GL_DEPTH_TEST);
char *base = "http://mesonet.agron.iastate.edu/data/";
char *path = g_strdup_printf("nexrd2/raw/K%s/K%s_%s", site, site, time);
//g_message("caching %s/%s", base, path);
+ cur_sweep = NULL; // Clear radar
+ gtk_widget_queue_draw(aweather_gui_get_widget(gui, "drawing"));
cache_file(base, path, load_radar, NULL);
}
GError *error = NULL;
char *list_uri = g_strdup_printf("http://mesonet.agron.iastate.edu/data/nexrd2/raw/K%s/dir.list", site);
GFile *list = g_file_new_for_uri(list_uri);
+ cur_sweep = NULL; // Clear radar
+ gtk_widget_queue_draw(aweather_gui_get_widget(gui, "drawing"));
g_file_load_contents(list, NULL, &data, &length, NULL, &error);
if (error) {
g_warning("Error loading list for %s: %s", site, error->message);
projects / grits / blobdiff