#include "aweather-gui.h"
#include "plugin-radar.h"
+#include "data.h"
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 AWeatherGui *gui = NULL;
static Radar *radar = NULL;
+/**************************
+ * Data loading functions *
+ **************************/
+/* return a GL alpha value for a radar pixle */
static guint8 get_alpha(guint8 db)
{
if (db == BADVAL) return 0;
/* Load a sweep as the active texture */
static void load_sweep(Sweep *sweep)
{
+ aweather_gui_gl_begin(gui);
cur_sweep = sweep;
int height, width;
guint8 *data;
g_free(data);
gdk_window_invalidate_rect(drawing->window, &drawing->allocation, FALSE);
gdk_window_process_updates(drawing->window, FALSE);
+ aweather_gui_gl_end(gui);
}
-/* Load the default sweep */
-static gboolean map(GtkWidget *da, GdkEvent *event, gpointer user_data)
+/* Add selectors to the config area for the sweeps */
+static void load_radar_gui(Radar *radar)
{
- g_message("radar:map");
- aweather_gui_gl_begin(gui);
- Sweep *first = radar->v[0]->sweep[0];
- if (cur_sweep == NULL)
- load_sweep(first);
- aweather_gui_gl_end(gui);
+ /* Clear existing items */
+ GtkWidget *child = gtk_bin_get_child(GTK_BIN(config_body));
+ if (child)
+ gtk_widget_destroy(child);
- return FALSE;
+ GtkWidget *hbox = gtk_hbox_new(TRUE, 0);
+ GtkWidget *button = NULL;
+ int vi = 0, si = 0;
+ for (vi = 0; vi < radar->h.nvolumes; vi++) {
+ Volume *vol = radar->v[vi];
+ if (vol == NULL) continue;
+ g_message(" adding volume: %d", vi);
+ GtkWidget *vbox = gtk_vbox_new(TRUE, 0);
+ for (si = vol->h.nsweeps-1; si >= 0; 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);
+ g_message(" adding sweep: %d - %s", si, label);
+ 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_sweep), sweep);
+ gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, TRUE, 0);
+ g_free(label);
+ }
+ g_message("adding vbox to hbox");
+ gtk_box_set_homogeneous(GTK_BOX(vbox), FALSE);
+ gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0);
+ }
+ g_message("adding hbox to scroll");
+ gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(config_body), hbox);
+ gtk_widget_show_all(hbox);
}
+/* 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_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 *
+ *************/
static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
{
g_message("radar:expose");
+ if (cur_sweep == NULL)
+ return FALSE;
Sweep *sweep = cur_sweep;
/* Draw the rays */
return FALSE;
}
-//static void set_site(AWeatherView *view, char *site, gpointer user_data)
-//{
-// g_message("location changed to %s", site);
-//}
+static void set_time(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);
+ cache_file(base, path, load_radar, NULL);
+}
+
+static void set_site(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_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;
+ 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);
+ GtkTreeIter iter;
+ gtk_list_store_append(lstore, &iter);
+ gtk_list_store_set(lstore, &iter, 0, parts[1]+5, -1);
+ if (i == 0)
+ set_time(view, parts[1]+5, NULL);
+ }
+}
+/* Init */
gboolean radar_init(AWeatherGui *_gui)
{
gui = _gui;
- drawing = GTK_WIDGET(aweather_gui_get_drawing(gui));
- GtkNotebook *config = aweather_gui_get_tabs(gui);
-
- /* Parse hard coded file.. */
- RSL_read_these_sweeps("all", NULL);
- //RSL_read_these_sweeps("all", NULL);
- radar = RSL_wsr88d_to_radar("/scratch/aweather/data/level2/KNQA_20090501_1925.raw", "KNQA");
- 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);
- if (radar->h.nvolumes < 1 || radar->v[0]->h.nsweeps < 1)
- g_print("No sweeps found\n");
+ drawing = aweather_gui_get_widget(gui, "drawing");
+ GtkNotebook *config = GTK_NOTEBOOK(aweather_gui_get_widget(gui, "tabs"));
+ AWeatherView *view = aweather_gui_get_view(gui);
/* Add configuration tab */
- GtkWidget *scroll = gtk_scrolled_window_new(NULL, NULL);
- GtkWidget *hbox = gtk_hbox_new(TRUE, 0);
- GtkWidget *button = NULL;
- int vi = 0, si = 0;
- for (vi = 0; vi < radar->h.nvolumes; vi++) {
- Volume *vol = radar->v[vi];
- if (vol == NULL) continue;
- GtkWidget *vbox = gtk_vbox_new(TRUE, 0);
- gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0);
- for (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);
- g_signal_connect_swapped(button, "clicked", G_CALLBACK(load_sweep), sweep);
- gtk_box_pack_start(GTK_BOX(vbox), button, TRUE, TRUE, 0);
- g_free(label);
- }
- }
- GtkWidget *label = gtk_label_new("Radar");
- gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scroll), hbox);
- gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
- gtk_notebook_append_page(GTK_NOTEBOOK(config), scroll, label);
+ 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_append_page(GTK_NOTEBOOK(config), config_body, gtk_label_new("Radar"));
/* Set up OpenGL Stuff */
- g_signal_connect(drawing, "map-event", G_CALLBACK(map), NULL);
- g_signal_connect(drawing, "expose-event", G_CALLBACK(expose), NULL);
+ 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);
return TRUE;
}
projects / grits / blobdiff