+/* Load a radar from a file */
+static void load_radar_rsl(GPid pid, gint status, gpointer _path)
+{
+ gchar *path = _path;
+ if (status != 0) {
+ g_warning("wsr88ddec exited with status %d", status);
+ return;
+ }
+ char *site = g_path_get_basename(g_path_get_dirname(path));
+ if (radar) RSL_free_radar(radar);
+ RSL_read_these_sweeps("all", NULL);
+ radar = RSL_wsr88d_to_radar(path, site);
+ if (radar == NULL) {
+ g_warning("fail to load radar: path=%s, site=%s", path, site);
+ 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");
+ } else {
+ /* load first available sweep */
+ for (int vi = 0; vi < radar->h.nvolumes; vi++) {
+ 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_sweep(radar->v[vi]->sweep[si]);
+ break;
+ }
+ break;
+ }
+ }
+
+ load_radar_gui(radar);
+}
+
+/* decompress a radar file, then chain to the actuall loading function */
+static void load_radar(char *path, gpointer user_data)
+{
+ char *raw = g_strconcat(path, ".raw", NULL);
+ if (g_file_test(raw, G_FILE_TEST_EXISTS)) {
+ load_radar_rsl(0, 0, raw);
+ } else {
+ char *argv[] = {"wsr88ddec", path, raw, NULL};
+ GPid pid;
+ GError *error = NULL;
+ g_spawn_async(
+ NULL, // const gchar *working_directory,
+ argv, // gchar **argv,
+ NULL, // gchar **envp,
+ G_SPAWN_SEARCH_PATH|
+ G_SPAWN_DO_NOT_REAP_CHILD,
+ // GSpawnFlags flags,
+ NULL, // GSpawnChildSetupFunc child_setup,
+ NULL, // gpointer user_data,
+ &pid, // GPid *child_pid,
+ &error); // GError **error
+ if (error)
+ g_warning("failed to decompress WSR88D data: %s", error->message);
+ g_child_watch_add(pid, load_radar_rsl, raw);
+ }
+}
+
+/*************
+ * Callbacks *
+ *************/