]> Pileus Git - grits/blobdiff - src/plugin-radar.c
moving roadplan to todo
[grits] / src / plugin-radar.c
index dbf71957fd796c45d6036e5a7e38cba1004759a8..5c1c46ef850a8df5eb7b58c21604887f06c674d6 100644 (file)
@@ -93,6 +93,7 @@ static void load_sweep(Sweep *sweep)
        int height, width;
        guint8 *data;
        bscan_sweep(sweep, &data, &width, &height);
+       glDeleteTextures(1, &sweep_tex);
        glGenTextures(1, &sweep_tex);
        glBindTexture(GL_TEXTURE_2D, sweep_tex);
        glPixelStorei(GL_PACK_ALIGNMENT, 1);
@@ -114,32 +115,54 @@ static void load_radar_gui(Radar *radar)
        if (child)
                gtk_widget_destroy(child);
 
-       GtkWidget *hbox = gtk_hbox_new(TRUE, 0);
-       GtkWidget *button = NULL;
-       int vi = 0, si = 0;
-       for (vi = 0; vi < radar->h.nvolumes; vi++) {
+       guint rows = 1, cols = 1, cur_cols;
+       gchar row_label_str[64], col_label_str[64], button_str[64];
+       GtkWidget *row_label, *col_label, *button = NULL;
+       GtkWidget *table = gtk_table_new(rows, cols, FALSE);
+
+       for (guint vi = 0; vi < radar->h.nvolumes; vi++) {
                Volume *vol = radar->v[vi];
                if (vol == NULL) continue;
-               GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
-               for (si = vol->h.nsweeps-1; si >= 0; si--) {
+               rows++; cols = 1;
+
+               /* Row label */
+               g_snprintf(row_label_str, 64, "<b>%s:</b>", vol->h.type_str);
+               row_label = gtk_label_new(row_label_str);
+               gtk_label_set_use_markup(GTK_LABEL(row_label), TRUE);
+               gtk_misc_set_alignment(GTK_MISC(row_label), 1, 0.5);
+               gtk_table_attach(GTK_TABLE(table), row_label,
+                               0,1, rows-1,rows, GTK_FILL,GTK_FILL, 5,0);
+
+               for (guint si = 0; si < vol->h.nsweeps; si++) {
                        Sweep *sweep = vol->sweep[si];
-                       if (sweep == NULL) continue;
-                       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);
+                       if (sweep == NULL || sweep->h.elev == 0) continue;
+                       cols++;
+
+                       /* Column label */
+                       g_object_get(table, "n-columns", &cur_cols, NULL);
+                       if (cols >  cur_cols) {
+                               g_snprintf(col_label_str, 64, "<b>%.2f°</b>", sweep->h.elev);
+                               col_label = gtk_label_new(col_label_str);
+                               gtk_label_set_use_markup(GTK_LABEL(col_label), TRUE);
+                               gtk_widget_set_size_request(col_label, 40, -1);
+                               gtk_table_attach(GTK_TABLE(table), col_label,
+                                               cols-1,cols, 0,1, GTK_FILL,GTK_FILL, 0,0);
+                       }
+
+                       /* Button */
+                       button = gtk_radio_button_new_from_widget(GTK_RADIO_BUTTON(button));
+                       gtk_widget_set_size_request(button, -1, 22);
                        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);
+                       gtk_table_attach(GTK_TABLE(table), button,
+                                       cols-1,cols, rows-1,rows, GTK_FILL,GTK_FILL, 0,0);
                }
-               gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0);
        }
-       gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(config_body), hbox);
-       gtk_widget_show_all(hbox);
+       gtk_container_add(GTK_CONTAINER(config_body), table);
+       gtk_widget_show_all(table);
 }
 
 /* Load a radar from a file */
@@ -150,7 +173,9 @@ static void load_radar_rsl(GPid pid, gint status, gpointer _path)
                g_warning("wsr88ddec exited with status %d", status);
                return;
        }
-       char *site = g_path_get_basename(g_path_get_dirname(path));
+       char *dir  = g_path_get_dirname(path);
+       char *site = g_path_get_basename(dir);
+       g_free(dir);
        RSL_read_these_sweeps("all", NULL);
        if (radar) {
                g_message("Freeing radar");
@@ -160,8 +185,12 @@ static void load_radar_rsl(GPid pid, gint status, gpointer _path)
        radar = RSL_wsr88d_to_radar(path, site);
        if (radar == NULL) {
                g_warning("fail to load radar: path=%s, site=%s", path, site);
+               g_free(path);
+               g_free(site);
                return;
        }
+       g_free(path);
+       g_free(site);
 
        /* Load the first sweep by default */
        if (radar->h.nvolumes < 1 || radar->v[0]->h.nsweeps < 1) {
@@ -184,12 +213,13 @@ static void load_radar_rsl(GPid pid, gint status, gpointer _path)
 }
 
 /* decompress a radar file, then chain to the actuall loading function */
-static void load_radar(char *path, gpointer user_data)
+static void load_radar(char *path, gboolean updated, gpointer user_data)
 {
        char *raw  = g_strconcat(path, ".raw", NULL);
-       if (g_file_test(raw, G_FILE_TEST_EXISTS)) {
+       if (!updated) {
                load_radar_rsl(0, 0, raw);
        } else {
+               g_message("File updated, decompressing..");
                char *argv[] = {"wsr88ddec", path, raw, NULL};
                GPid pid;
                GError *error = NULL;
@@ -204,17 +234,59 @@ static void load_radar(char *path, gpointer user_data)
                        NULL,    // gpointer user_data,
                        &pid,    // GPid *child_pid,
                        &error); // GError **error
-               if (error)
+               if (error) {
                        g_warning("failed to decompress WSR88D data: %s",
                                        error->message);
+                       g_error_free(error);
+               }
                g_child_watch_add(pid, load_radar_rsl, raw);
        }
 }
 
+static void update_times(char *site, char **last_time)
+{
+       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);
+       g_free(list_uri);
+
+       gchar *data;
+       gsize length;
+       GError *error = NULL;
+       g_file_load_contents(list, NULL, &data, &length, NULL, &error);
+       g_object_unref(list);
+       if (error) {
+               g_warning("Error loading list for %s: %s", site, error->message);
+               g_error_free(error);
+               return;
+       }
+       gchar **lines = g_strsplit(data, "\n", -1);
+       GtkTreeView  *tview  = GTK_TREE_VIEW(aweather_gui_get_widget(gui, "time"));
+       GtkListStore *lstore = GTK_LIST_STORE(gtk_tree_view_get_model(tview));
+       gtk_list_store_clear(lstore);
+       GtkTreeIter iter;
+       for (int i = 0; lines[i] && lines[i][0]; i++) {
+               // format: `841907 KABR_20090510_0159'
+               //g_message("\tadding %p [%s]", lines[i], lines[i]);
+               char **parts = g_strsplit(lines[i], " ", 2);
+               char *time = parts[1]+5;
+               gtk_list_store_insert(lstore, &iter, 0);
+               gtk_list_store_set(lstore, &iter, 0, time, -1);
+               g_strfreev(parts);
+       }
+
+       if (last_time)
+               gtk_tree_model_get(GTK_TREE_MODEL(lstore), &iter, 0, last_time, -1);
+
+       g_free(data);
+       g_strfreev(lines);
+}
+
 /*************
  * Callbacks *
  *************/
-static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
+static gboolean on_expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
 {
        g_message("radar:expose");
        if (cur_sweep == NULL)
@@ -230,16 +302,20 @@ static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
        glDisable(GL_ALPHA_TEST);
        glColor4f(1,1,1,1);
        glBegin(GL_QUAD_STRIP);
-       for (int ri = 0; ri <= sweep->h.nrays+1; ri++) {
-               /* Do the first sweep twice to complete the last Quad */
-               Ray *ray = sweep->ray[ri % sweep->h.nrays];
-
-               /* right and left looking out from radar */
-               double left  = ((ray->h.azimuth - ((double)ray->h.beam_width/2.))*M_PI)/180.0; 
-               //double right = ((ray->h.azimuth + ((double)ray->h.beam_width/2.))*M_PI)/180.0; 
+       for (int ri = 0; ri <= sweep->h.nrays; ri++) {
+               Ray  *ray = NULL;
+               double angle = 0;
+               if (ri < sweep->h.nrays) {
+                       ray = sweep->ray[ri];
+                       angle = ((ray->h.azimuth - ((double)ray->h.beam_width/2.))*M_PI)/180.0; 
+               } else {
+                       /* Do the right side of the last sweep */
+                       ray = sweep->ray[ri-1];
+                       angle = ((ray->h.azimuth + ((double)ray->h.beam_width/2.))*M_PI)/180.0; 
+               }
 
-               double lx = sin(left);
-               double ly = cos(left);
+               double lx = sin(angle);
+               double ly = cos(angle);
 
                double near_dist = ray->h.range_bin1;
                double far_dist  = ray->h.nbins*ray->h.gate_size + ray->h.range_bin1;
@@ -290,57 +366,39 @@ static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
        return FALSE;
 }
 
-static void set_time(AWeatherView *view, char *time, gpointer user_data)
+static void on_time_changed(AWeatherView *view, char *time, gpointer user_data)
 {
        g_message("radar:setting time");
        // format: http://mesonet.agron.iastate.edu/data/nexrd2/raw/KABR/KABR_20090510_0323
        char *site = aweather_view_get_location(view);
        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);
+
+       radar = NULL;
        cur_sweep = NULL; // Clear radar
        gtk_widget_queue_draw(aweather_gui_get_widget(gui, "drawing"));
-       cache_file(base, path, load_radar, NULL);
+
+       cache_file(base, path, AWEATHER_AUTOMATIC, load_radar, NULL);
        g_free(path);
 }
 
-static void set_site(AWeatherView *view, char *site, gpointer user_data)
+static void on_location_changed(AWeatherView *view, char *site, gpointer user_data)
 {
        g_message("Loading wsr88d list for %s", site);
-       gchar *data;
-       gsize length;
-       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);
-       g_free(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);
-               return;
-       }
-       gchar **lines = g_strsplit(data, "\n", -1);
-       GtkTreeView  *tview  = GTK_TREE_VIEW(aweather_gui_get_widget(gui, "time"));
-       GtkListStore *lstore = GTK_LIST_STORE(gtk_tree_view_get_model(tview));
-       gtk_list_store_clear(lstore);
-       radar = NULL;
        char *time = NULL;
-       for (int i = 0; lines[i] && lines[i][0]; i++) {
-               // format: `841907 KABR_20090510_0159'
-               //g_message("\tadding %p [%s]", lines[i], lines[i]);
-               char **parts = g_strsplit(lines[i], " ", 2);
-               time = parts[1]+5;
-               GtkTreeIter iter;
-               gtk_list_store_insert(lstore, &iter, 0);
-               gtk_list_store_set(lstore, &iter, 0, time, -1);
-       }
-       if (time != NULL) 
-               aweather_view_set_time(view, time);
-       g_free(data);
-       g_strfreev(lines);
+       update_times(site, &time);
+       aweather_view_set_time(view, time);
+
+       g_free(time);
+}
+
+static void on_refresh(AWeatherView *view, gpointer user_data)
+{
+       char *site = aweather_view_get_location(view);
+       char *time = NULL;
+       update_times(site, &time);
+       aweather_view_set_time(view, time);
+       g_free(time);
 }
 
 /* Init */
@@ -352,18 +410,16 @@ gboolean radar_init(AWeatherGui *_gui)
        AWeatherView *view    = aweather_gui_get_view(gui);
 
        /* Add configuration tab */
-       config_body = gtk_scrolled_window_new(NULL, NULL);
-       gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(config_body),
-                       gtk_label_new("No radar loaded"));
-       gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(config_body),
-                       GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
-       gtk_notebook_prepend_page(GTK_NOTEBOOK(config),
-                       config_body, gtk_label_new("Radar"));
+       config_body = gtk_alignment_new(0, 0, 1, 1);
+       gtk_container_set_border_width(GTK_CONTAINER(config_body), 5);
+       gtk_container_add(GTK_CONTAINER(config_body), gtk_label_new("No radar loaded"));
+       gtk_notebook_prepend_page(GTK_NOTEBOOK(config), config_body, gtk_label_new("Radar"));
 
        /* Set up OpenGL Stuff */
-       g_signal_connect(drawing, "expose-event",     G_CALLBACK(expose),   NULL);
-       g_signal_connect(view,    "location-changed", G_CALLBACK(set_site), NULL);
-       g_signal_connect(view,    "time-changed",     G_CALLBACK(set_time), NULL);
+       g_signal_connect(drawing, "expose-event",     G_CALLBACK(on_expose),           NULL);
+       g_signal_connect(view,    "location-changed", G_CALLBACK(on_location_changed), NULL);
+       g_signal_connect(view,    "time-changed",     G_CALLBACK(on_time_changed),     NULL);
+       g_signal_connect(view,    "refresh",          G_CALLBACK(on_refresh),          NULL);
 
        return TRUE;
 }