* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#define _XOPEN_SOURCE
+#include <sys/time.h>
#include <config.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
-#include <gtk/gtkgl.h>
#include <gio/gio.h>
#include <GL/gl.h>
#include <math.h>
#include <rsl.h>
-#include <gis.h>
+#include <grits.h>
#include "radar.h"
#include "level2.h"
#include "../aweather-location.h"
-/* Drawing functions */
-static void _draw_hud(GisCallback *callback, gpointer _self)
+static void _gtk_bin_set_child(GtkBin *bin, GtkWidget *new)
{
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- if (!self->colormap)
+ GtkWidget *old = gtk_bin_get_child(bin);
+ if (old)
+ gtk_widget_destroy(old);
+ gtk_container_add(GTK_CONTAINER(bin), new);
+ gtk_widget_show_all(new);
+}
+
+static gchar *_find_nearest(time_t time, GList *files,
+ gsize offset, gchar *format)
+{
+ g_debug("RadarSite: find_nearest ...");
+ time_t nearest_time = 0;
+ char *nearest_file = NULL;
+
+ struct tm tm = {};
+ for (GList *cur = files; cur; cur = cur->next) {
+ gchar *file = cur->data;
+ strptime(file+offset, format, &tm);
+ if (ABS(time - mktime(&tm)) <
+ ABS(time - nearest_time)) {
+ nearest_file = file;
+ nearest_time = mktime(&tm);
+ }
+ }
+
+ g_debug("RadarSite: find_nearest = %s", nearest_file);
+ if (nearest_file)
+ return g_strdup(nearest_file);
+ else
+ return NULL;
+}
+
+
+/**************
+ * RadarSites *
+ **************/
+typedef enum {
+ STATUS_UNLOADED,
+ STATUS_LOADING,
+ STATUS_LOADED,
+} RadarSiteStatus;
+struct _RadarSite {
+ /* Information */
+ city_t *city;
+ GritsMarker *marker; // Map marker for grits
+
+ /* Stuff from the parents */
+ GritsViewer *viewer;
+ GritsHttp *http;
+ GritsPrefs *prefs;
+ GtkWidget *pconfig;
+
+ /* When loaded */
+ gboolean hidden;
+ RadarSiteStatus status; // Loading status for the site
+ GtkWidget *config;
+ AWeatherLevel2 *level2; // The Level2 structure for the current volume
+
+ /* Internal data */
+ time_t time; // Current timestamp of the level2
+ gchar *message; // Error message set while updating
+ guint time_id; // "time-changed" callback ID
+ guint refresh_id; // "refresh" callback ID
+ guint location_id; // "locaiton-changed" callback ID
+};
+
+/* format: http://mesonet.agron.iastate.edu/data/nexrd2/raw/KABR/KABR_20090510_0323 */
+void _site_update_loading(gchar *file, goffset cur,
+ goffset total, gpointer _site)
+{
+ RadarSite *site = _site;
+ GtkWidget *progress_bar = gtk_bin_get_child(GTK_BIN(site->config));
+ double percent = (double)cur/total;
+ gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress_bar), MIN(percent, 1.0));
+ gchar *msg = g_strdup_printf("Loading... %5.1f%% (%.2f/%.2f MB)",
+ percent*100, (double)cur/1000000, (double)total/1000000);
+ gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar), msg);
+ g_free(msg);
+}
+gboolean _site_update_end(gpointer _site)
+{
+ RadarSite *site = _site;
+ if (site->message) {
+ g_warning("RadarSite: update_end - %s", site->message);
+ _gtk_bin_set_child(GTK_BIN(site->config),
+ gtk_label_new(site->message));
+ } else {
+ _gtk_bin_set_child(GTK_BIN(site->config),
+ aweather_level2_get_config(site->level2));
+ }
+ site->status = STATUS_LOADED;
+ return FALSE;
+}
+gpointer _site_update_thread(gpointer _site)
+{
+ RadarSite *site = _site;
+ g_debug("RadarSite: update_thread - %s", site->city->code);
+ site->message = NULL;
+
+ gboolean offline = grits_viewer_get_offline(site->viewer);
+ gchar *nexrad_url = grits_prefs_get_string(site->prefs,
+ "aweather/nexrad_url", NULL);
+
+ /* Find nearest volume (temporally) */
+ g_debug("RadarSite: update_thread - find nearest - %s", site->city->code);
+ gchar *dir_list = g_strconcat(nexrad_url, "/", site->city->code,
+ "/", "dir.list", NULL);
+ GList *files = grits_http_available(site->http,
+ "^K\\w{3}_\\d{8}_\\d{4}$", site->city->code,
+ "\\d+ (.*)", (offline ? NULL : dir_list));
+ g_free(dir_list);
+ gchar *nearest = _find_nearest(site->time, files, 5, "%Y%m%d_%H%M");
+ g_list_foreach(files, (GFunc)g_free, NULL);
+ g_list_free(files);
+ if (!nearest) {
+ site->message = "No suitable files found";
+ goto out;
+ }
+
+ /* Fetch new volume */
+ g_debug("RadarSite: update_thread - fetch");
+ gchar *local = g_strconcat(site->city->code, "/", nearest, NULL);
+ gchar *uri = g_strconcat(nexrad_url, "/", local, NULL);
+ gchar *file = grits_http_fetch(site->http, uri, local,
+ offline ? GRITS_LOCAL : GRITS_UPDATE,
+ _site_update_loading, site);
+ g_free(nexrad_url);
+ g_free(nearest);
+ g_free(local);
+ g_free(uri);
+ if (!file) {
+ site->message = "Fetch failed";
+ goto out;
+ }
+
+ /* Load and add new volume */
+ g_debug("RadarSite: update_thread - load - %s", site->city->code);
+ site->level2 = aweather_level2_new_from_file(
+ file, site->city->code, colormaps);
+ g_free(file);
+ if (!site->level2) {
+ site->message = "Load failed";
+ goto out;
+ }
+ grits_object_hide(GRITS_OBJECT(site->level2), site->hidden);
+ grits_viewer_add(site->viewer, GRITS_OBJECT(site->level2),
+ GRITS_LEVEL_WORLD, TRUE);
+
+out:
+ g_idle_add(_site_update_end, site);
+ return NULL;
+}
+void _site_update(RadarSite *site)
+{
+ if (site->status == STATUS_LOADING)
return;
+ site->status = STATUS_LOADING;
+
+ site->time = grits_viewer_get_time(site->viewer);
+ g_debug("RadarSite: update %s - %d",
+ site->city->code, (gint)site->time);
+
+ /* Add a progress bar */
+ GtkWidget *progress = gtk_progress_bar_new();
+ gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), "Loading...");
+ _gtk_bin_set_child(GTK_BIN(site->config), progress);
+
+ /* Remove old volume */
+ g_debug("RadarSite: update - remove - %s", site->city->code);
+ if (site->level2) {
+ grits_viewer_remove(site->viewer, site->level2);
+ site->level2 = NULL;
+ }
- g_debug("GisPluginRadar: _draw_hud");
- /* Print the color table */
- glMatrixMode(GL_MODELVIEW ); glLoadIdentity();
- glMatrixMode(GL_PROJECTION); glLoadIdentity();
- glDisable(GL_TEXTURE_2D);
- glDisable(GL_ALPHA_TEST);
- glDisable(GL_CULL_FACE);
- glDisable(GL_LIGHTING);
- glEnable(GL_COLOR_MATERIAL);
- glBegin(GL_QUADS);
- int i;
- for (i = 0; i < 256; i++) {
- glColor4ubv(self->colormap->data[i]);
- 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
+ /* Fork loading right away so updating the
+ * list of times doesn't take too long */
+ g_thread_create(_site_update_thread, site, FALSE, NULL);
+}
+
+/* RadarSite methods */
+void radar_site_unload(RadarSite *site)
+{
+ if (site->status != STATUS_LOADED)
+ return; // Abort if it's still loading
+
+ g_debug("RadarSite: unload %s", site->city->code);
+
+ if (site->time_id)
+ g_signal_handler_disconnect(site->viewer, site->time_id);
+ if (site->refresh_id)
+ g_signal_handler_disconnect(site->viewer, site->refresh_id);
+
+ /* Remove tab */
+ if (site->config)
+ gtk_widget_destroy(site->config);
+
+ /* Remove radar */
+ if (site->level2) {
+ grits_viewer_remove(site->viewer, site->level2);
+ site->level2 = NULL;
}
- glEnd();
+
+ site->status = STATUS_UNLOADED;
}
+void radar_site_load(RadarSite *site)
+{
+ g_debug("RadarSite: load %s", site->city->code);
+
+ /* Add tab page */
+ site->config = gtk_alignment_new(0, 0, 1, 1);
+ g_object_set_data(G_OBJECT(site->config), "site", site);
+ gtk_notebook_append_page(GTK_NOTEBOOK(site->pconfig), site->config,
+ gtk_label_new(site->city->name));
+ gtk_widget_show_all(site->config);
+
+ /* Set up radar loading */
+ site->time_id = g_signal_connect_swapped(site->viewer, "time-changed",
+ G_CALLBACK(_site_update), site);
+ site->refresh_id = g_signal_connect_swapped(site->viewer, "refresh",
+ G_CALLBACK(_site_update), site);
+ _site_update(site);
+}
-/***************
- * GUI loading *
- ***************/
-/* Clear the config area */
-static void _load_gui_clear(GisPluginRadar *self)
+void _site_on_location_changed(GritsViewer *viewer,
+ gdouble lat, gdouble lon, gdouble elev,
+ gpointer _site)
{
- GtkWidget *child = gtk_bin_get_child(GTK_BIN(self->config_body));
- if (child)
- gtk_widget_destroy(child);
+ static gdouble min_dist = EARTH_R / 30;
+ RadarSite *site = _site;
+
+ /* Calculate distance, could cache xyz values */
+ gdouble eye_xyz[3], site_xyz[3];
+ lle2xyz(lat, lon, elev, &eye_xyz[0], &eye_xyz[1], &eye_xyz[2]);
+ lle2xyz(site->city->pos.lat, site->city->pos.lon, site->city->pos.elev,
+ &site_xyz[0], &site_xyz[1], &site_xyz[2]);
+ gdouble dist = distd(site_xyz, eye_xyz);
+
+ /* Load or unload the site if necessasairy */
+ if (dist <= min_dist && dist < elev*1.25 && site->status == STATUS_UNLOADED)
+ radar_site_load(site);
+ else if (dist > 2*min_dist && site->status != STATUS_UNLOADED)
+ radar_site_unload(site);
}
-/* Setup a loading screen in the tab */
-static void _load_gui_pre(GisPluginRadar *self)
+gboolean _site_add_marker(gpointer _site)
{
- g_debug("GisPluginRadar: _load_gui_pre");
-
- /* Set up progress bar */
- _load_gui_clear(self);
- GtkWidget *vbox = gtk_vbox_new(FALSE, 10);
- gtk_container_set_border_width(GTK_CONTAINER(vbox), 10);
- self->progress_bar = gtk_progress_bar_new();
- self->progress_label = gtk_label_new("Loading radar...");
- gtk_box_pack_start(GTK_BOX(vbox), self->progress_bar, FALSE, FALSE, 0);
- gtk_box_pack_start(GTK_BOX(vbox), self->progress_label, FALSE, FALSE, 0);
- gtk_container_add(GTK_CONTAINER(self->config_body), vbox);
- gtk_widget_show_all(self->config_body);
+ RadarSite *site = _site;
+ site->marker = grits_marker_new(site->city->name);
+ GRITS_OBJECT(site->marker)->center = site->city->pos;
+ GRITS_OBJECT(site->marker)->lod = EARTH_R*site->city->lod;
+ grits_viewer_add(site->viewer, GRITS_OBJECT(site->marker),
+ GRITS_LEVEL_OVERLAY, FALSE);
+ return FALSE;
+}
+RadarSite *radar_site_new(city_t *city, GtkWidget *pconfig,
+ GritsViewer *viewer, GritsPrefs *prefs, GritsHttp *http)
+{
+ RadarSite *site = g_new0(RadarSite, 1);
+ site->viewer = g_object_ref(viewer);
+ site->prefs = g_object_ref(prefs);
+ //site->http = http;
+ site->http = grits_http_new(G_DIR_SEPARATOR_S
+ "nexrad" G_DIR_SEPARATOR_S
+ "level2" G_DIR_SEPARATOR_S);
+ site->city = city;
+ site->pconfig = pconfig;
+
+ /* Set initial location */
+ gdouble lat, lon, elev;
+ grits_viewer_get_location(viewer, &lat, &lon, &elev);
+ _site_on_location_changed(viewer, lat, lon, elev, site);
+
+ /* Add marker */
+ g_idle_add_full(G_PRIORITY_LOW, _site_add_marker, site, NULL);
+
+ /* Connect signals */
+ site->location_id = g_signal_connect(viewer, "location-changed",
+ G_CALLBACK(_site_on_location_changed), site);
+ return site;
}
-/* Update pogress bar of loading screen */
-static void _load_gui_update(char *path, goffset cur, goffset total, gpointer _self)
+void radar_site_free(RadarSite *site)
{
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- double percent = (double)cur/total;
+ radar_site_unload(site);
+ grits_viewer_remove(site->viewer, site->marker);
+ if (site->location_id)
+ g_signal_handler_disconnect(site->viewer, site->location_id);
+ grits_http_free(site->http);
+ g_object_unref(site->viewer);
+ g_object_unref(site->prefs);
+ g_free(site);
+}
- //g_debug("GisPluginRadar: cache_chunk_cb - %lld/%lld = %.2f%%",
- // cur, total, percent*100);
- gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(self->progress_bar), MIN(percent, 1.0));
+/**************
+ * RadarConus *
+ **************/
+#define CONUS_NORTH 50.406626367301044
+#define CONUS_WEST -127.620375523875420
+#define CONUS_WIDTH 3400.0
+#define CONUS_HEIGHT 1600.0
+#define CONUS_DEG_PER_PX 0.017971305190311
+
+struct _RadarConus {
+ GritsViewer *viewer;
+ GritsHttp *http;
+ GtkWidget *config;
+ time_t time;
+ const gchar *message;
+ GStaticMutex loading;
+
+ gchar *path;
+ GritsTile *tile[2];
+
+ guint time_id; // "time-changed" callback ID
+ guint refresh_id; // "refresh" callback ID
+};
- gchar *msg = g_strdup_printf("Loading radar... %5.1f%% (%.2f/%.2f MB)",
+void _conus_update_loading(gchar *file, goffset cur,
+ goffset total, gpointer _conus)
+{
+ RadarConus *conus = _conus;
+ GtkWidget *progress_bar = gtk_bin_get_child(GTK_BIN(conus->config));
+ double percent = (double)cur/total;
+ gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress_bar), MIN(percent, 1.0));
+ gchar *msg = g_strdup_printf("Loading... %5.1f%% (%.2f/%.2f MB)",
percent*100, (double)cur/1000000, (double)total/1000000);
- gtk_label_set_text(GTK_LABEL(self->progress_label), msg);
+ gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar), msg);
g_free(msg);
}
-/* Update pogress bar of loading screen */
-static void _load_gui_error(GisPluginRadar *self, gchar *error)
+/* Copy images to graphics memory */
+static void _conus_update_end_copy(GritsTile *tile, guchar *pixels)
{
- gchar *msg = g_strdup_printf(
- "GisPluginRadar: error loading radar - %s", error);
- g_warning("%s", msg);
- _load_gui_clear(self);
- gtk_container_add(GTK_CONTAINER(self->config_body), gtk_label_new(msg));
- gtk_widget_show_all(self->config_body);
- g_free(msg);
+ if (!tile->data) {
+ tile->data = g_new0(guint, 1);
+ glGenTextures(1, tile->data);
+ }
+
+ guint *tex = tile->data;
+ glBindTexture(GL_TEXTURE_2D, *tex);
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glPixelStorei(GL_PACK_ALIGNMENT, 1);
+ glTexImage2D(GL_TEXTURE_2D, 0, 4, 2048, 2048, 0,
+ GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 1,1, CONUS_WIDTH/2,CONUS_HEIGHT,
+ GL_RGBA, GL_UNSIGNED_BYTE, pixels);
+ tile->coords.n = 1.0/(CONUS_WIDTH/2);
+ tile->coords.w = 1.0/ CONUS_HEIGHT;
+ tile->coords.s = tile->coords.n + CONUS_HEIGHT / 2048.0;
+ tile->coords.e = tile->coords.w + (CONUS_WIDTH/2) / 2048.0;
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
+ glFlush();
}
-/* Clear loading screen and add sweep selectors */
-static void _on_sweep_clicked(GtkRadioButton *button, gpointer _self);
-static void _load_gui_success(GisPluginRadar *self, AWeatherLevel2 *level2)
+/* Split the pixbuf into east and west halves (with 2K sides)
+ * Also map the pixbuf's alpha values */
+static void _conus_update_end_split(guchar *pixels, guchar *west, guchar *east,
+ gint width, gint height, gint pxsize)
{
- Radar *radar = level2->radar;
- g_debug("GisPluginRadar: _load_gui_success - %p", radar);
- /* Clear existing items */
- _load_gui_clear(self);
-
- gdouble elev;
- 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, *elev_box = 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;
- rows++; cols = 1; elev = 0;
-
- /* 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 || sweep->h.elev == 0) continue;
- if (sweep->h.elev != elev) {
- cols++;
- elev = sweep->h.elev;
-
- /* Column label */
- g_object_get(table, "n-columns", &cur_cols, NULL);
- if (cols > cur_cols) {
- g_snprintf(col_label_str, 64, "<b>%.2f°</b>", 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, 50, -1);
- gtk_table_attach(GTK_TABLE(table), col_label,
- cols-1,cols, 0,1, GTK_FILL,GTK_FILL, 0,0);
- }
-
- elev_box = gtk_hbox_new(TRUE, 0);
- gtk_table_attach(GTK_TABLE(table), elev_box,
- cols-1,cols, rows-1,rows, GTK_FILL,GTK_FILL, 0,0);
- }
-
-
- /* Button */
- g_snprintf(button_str, 64, "%3.2f", elev);
- button = gtk_radio_button_new_with_label_from_widget(
- GTK_RADIO_BUTTON(button), button_str);
- gtk_widget_set_size_request(button, -1, 26);
- //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);
- gtk_box_pack_end(GTK_BOX(elev_box), button, TRUE, TRUE, 0);
-
- g_object_set_data(G_OBJECT(button), "level2", (gpointer)level2);
- g_object_set_data(G_OBJECT(button), "type", (gpointer)vi);
- g_object_set_data(G_OBJECT(button), "elev", (gpointer)(int)(elev*100));
- g_signal_connect(button, "clicked", G_CALLBACK(_on_sweep_clicked), self);
+ g_debug("Conus: update_end_split");
+ guchar *out[] = {west,east};
+ const guchar alphamap[][4] = {
+ {0x04, 0xe9, 0xe7, 0x30},
+ {0x01, 0x9f, 0xf4, 0x60},
+ {0x03, 0x00, 0xf4, 0x90},
+ };
+ for (int y = 0; y < height; y++)
+ for (int x = 0; x < width; x++) {
+ gint subx = x % (width/2);
+ gint idx = x / (width/2);
+ guchar *src = &pixels[(y*width+x)*pxsize];
+ guchar *dst = &out[idx][(y*(width/2)+subx)*4];
+ if (src[0] > 0xe0 &&
+ src[1] > 0xe0 &&
+ src[2] > 0xe0) {
+ dst[3] = 0x00;
+ } else {
+ dst[0] = src[0];
+ dst[1] = src[1];
+ dst[2] = src[2];
+ dst[3] = 0xff;
+ for (int j = 0; j < G_N_ELEMENTS(alphamap); j++)
+ if (src[0] == alphamap[j][0] &&
+ src[1] == alphamap[j][1] &&
+ src[2] == alphamap[j][2])
+ dst[3] = alphamap[j][3];
}
}
- gtk_container_add(GTK_CONTAINER(self->config_body), table);
- gtk_widget_show_all(table);
}
-static gchar *_download_radar(GisPluginRadar *self, const gchar *site, const gchar *time)
+gboolean _conus_update_end(gpointer _conus)
{
- g_debug("GisPluginRadar: _download_radar - %s, %s", site, time);
-
- /* format: http://mesonet.agron.iastate.edu/data/nexrd2/raw/KABR/KABR_20090510_0323 */
- gchar *base = gis_prefs_get_string(self->prefs, "aweather/nexrad_url", NULL);
- gchar *local = g_strdup_printf("%s/%s_%s", site, site, time);
- gchar *uri = g_strconcat(base, "/", local, NULL);
- GisCacheType mode = gis_viewer_get_offline(self->viewer) ? GIS_LOCAL : GIS_UPDATE;
- gchar *file = gis_http_fetch(self->http, uri, local, mode, _load_gui_update, self);
- g_free(base);
- g_free(local);
- g_free(uri);
- return file;
-}
+ RadarConus *conus = _conus;
+ g_debug("Conus: update_end");
-struct SetRadarData {
- GisPluginRadar *self;
- gchar *site;
- gchar *time;
-};
-static gpointer _set_radar_cb(gpointer _data)
-{
- g_debug("GisPluginRadar: _set_radar_cb");
- struct SetRadarData *data = _data;
- GisPluginRadar *self = data->self;
-
- _load_gui_pre(self);
- if (self->radar) {
- gis_viewer_remove(self->viewer, self->radar);
- self->radar = NULL;
+ /* Check error status */
+ if (conus->message) {
+ g_warning("Conus: update_end - %s", conus->message);
+ _gtk_bin_set_child(GTK_BIN(conus->config), gtk_label_new(conus->message));
+ goto out;
}
- gchar *file = _download_radar(self, data->site, data->time);
- if (!file) {
- _load_gui_error(self, "Download failed");
+
+ /* Load and pixbuf */
+ GError *error = NULL;
+ GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(conus->path, &error);
+ if (!pixbuf || error) {
+ g_warning("Conus: update_end - error loading pixbuf: %s", conus->path);
+ _gtk_bin_set_child(GTK_BIN(conus->config), gtk_label_new("Error loading pixbuf"));
+ g_remove(conus->path);
goto out;
}
- AWeatherLevel2 *level2 = aweather_level2_new_from_file(
- self->viewer, colormaps, file, data->site);
- if (!level2) {
- _load_gui_error(self, "Loading radar failed");
- //g_remove(file);
+
+ /* Split pixels into east/west parts */
+ guchar *pixels = gdk_pixbuf_get_pixels(pixbuf);
+ gint width = gdk_pixbuf_get_width(pixbuf);
+ gint height = gdk_pixbuf_get_height(pixbuf);
+ gint pxsize = gdk_pixbuf_get_has_alpha(pixbuf) ? 4 : 3;
+ guchar *pixels_west = g_malloc(4*(width/2)*height);
+ guchar *pixels_east = g_malloc(4*(width/2)*height);
+ _conus_update_end_split(pixels, pixels_west, pixels_east,
+ width, height, pxsize);
+ g_object_unref(pixbuf);
+
+ /* Copy pixels to graphics memory */
+ _conus_update_end_copy(conus->tile[0], pixels_west);
+ _conus_update_end_copy(conus->tile[1], pixels_east);
+ g_free(pixels_west);
+ g_free(pixels_east);
+
+ /* Update GUI */
+ gchar *label = g_path_get_basename(conus->path);
+ _gtk_bin_set_child(GTK_BIN(conus->config), gtk_label_new(label));
+ gtk_widget_queue_draw(GTK_WIDGET(conus->viewer));
+ g_free(label);
+
+out:
+ g_free(conus->path);
+ g_static_mutex_unlock(&conus->loading);
+ return FALSE;
+}
+
+gpointer _conus_update_thread(gpointer _conus)
+{
+ RadarConus *conus = _conus;
+ conus->message = NULL;
+
+ /* Find nearest */
+ g_debug("Conus: update_thread - nearest");
+ gboolean offline = grits_viewer_get_offline(conus->viewer);
+ gchar *conus_url = "http://radar.weather.gov/Conus/RadarImg/";
+ gchar *nearest;
+ if (time(NULL) - conus->time < 60*60*5 && !offline) {
+ /* radar.weather.gov is full of lies.
+ * the index pages get cached and out of date */
+ struct tm tm;
+ gmtime_r(&conus->time, &tm);
+ time_t onthe8 = conus->time - 60*((tm.tm_min+1)%10+1);
+ gmtime_r(&onthe8, &tm);
+ nearest = g_strdup_printf("Conus_%04d%02d%02d_%02d%02d_N0Ronly.gif",
+ tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday,
+ tm.tm_hour, tm.tm_min);
+ } else {
+ GList *files = grits_http_available(conus->http,
+ "^Conus_[^\"]*_N0Ronly.gif$", "", NULL, NULL);
+ nearest = _find_nearest(conus->time, files, 6, "%Y%m%d_%H%M");
+ g_list_foreach(files, (GFunc)g_free, NULL);
+ g_list_free(files);
+ if (!nearest) {
+ conus->message = "No suitable files";
+ goto out;
+ }
+ }
+
+ /* Fetch the image */
+ g_debug("Conus: update_thread - fetch");
+ gchar *uri = g_strconcat(conus_url, nearest, NULL);
+ conus->path = grits_http_fetch(conus->http, uri, nearest,
+ offline ? GRITS_LOCAL : GRITS_ONCE,
+ _conus_update_loading, conus);
+ g_free(nearest);
+ g_free(uri);
+ if (!conus->path) {
+ conus->message = "Fetch failed";
goto out;
}
- self->colormap = level2->sweep_colors;
- self->radar = gis_viewer_add(self->viewer, GIS_OBJECT(level2), GIS_LEVEL_WORLD, TRUE);
- _load_gui_success(self, level2);
out:
- g_free(file);
- g_free(data->site);
- g_free(data->time);
- g_free(data);
- g_mutex_unlock(self->load_mutex);
+ g_debug("Conus: update_thread - done");
+ g_idle_add(_conus_update_end, conus);
return NULL;
}
-static void _set_radar(GisPluginRadar *self, const gchar *site, const gchar *time)
+
+void _conus_update(RadarConus *conus)
{
- if (!site || !time)
+ if (!g_static_mutex_trylock(&conus->loading))
return;
- struct SetRadarData *data = g_new(struct SetRadarData, 1);
- data->self = self;
- data->site = g_strdup(site);
- data->time = g_strdup(time);
- if (g_mutex_trylock(self->load_mutex))
- g_thread_create(_set_radar_cb, data, FALSE, NULL);
+ conus->time = grits_viewer_get_time(conus->viewer);
+ g_debug("Conus: update - %d",
+ (gint)conus->time);
+
+ /* Add a progress bar */
+ GtkWidget *progress = gtk_progress_bar_new();
+ gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), "Loading...");
+ _gtk_bin_set_child(GTK_BIN(conus->config), progress);
+
+ g_thread_create(_conus_update_thread, conus, FALSE, NULL);
}
-/*************
- * Callbacks *
- *************/
-static void _on_sweep_clicked(GtkRadioButton *button, gpointer _self)
+RadarConus *radar_conus_new(GtkWidget *pconfig,
+ GritsViewer *viewer, GritsHttp *http)
{
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- AWeatherLevel2 *level2 = g_object_get_data(G_OBJECT(button), "level2");
- gint type = (gint)g_object_get_data(G_OBJECT(button), "type");
- gint elev = (gint)g_object_get_data(G_OBJECT(button), "elev");
- aweather_level2_set_sweep(level2, type, (float)elev/100);
- self->colormap = level2->sweep_colors;
+ RadarConus *conus = g_new0(RadarConus, 1);
+ conus->viewer = g_object_ref(viewer);
+ conus->http = http;
+ conus->config = gtk_alignment_new(0, 0, 1, 1);
+ g_static_mutex_init(&conus->loading);
+
+ gdouble south = CONUS_NORTH - CONUS_DEG_PER_PX*CONUS_HEIGHT;
+ gdouble east = CONUS_WEST + CONUS_DEG_PER_PX*CONUS_WIDTH;
+ gdouble mid = CONUS_WEST + CONUS_DEG_PER_PX*CONUS_WIDTH/2;
+ conus->tile[0] = grits_tile_new(NULL, CONUS_NORTH, south, mid, CONUS_WEST);
+ conus->tile[1] = grits_tile_new(NULL, CONUS_NORTH, south, east, mid);
+ conus->tile[0]->zindex = 2;
+ conus->tile[1]->zindex = 1;
+ grits_viewer_add(viewer, GRITS_OBJECT(conus->tile[0]), GRITS_LEVEL_WORLD, TRUE);
+ grits_viewer_add(viewer, GRITS_OBJECT(conus->tile[1]), GRITS_LEVEL_WORLD, TRUE);
+
+ conus->time_id = g_signal_connect_swapped(viewer, "time-changed",
+ G_CALLBACK(_conus_update), conus);
+ conus->refresh_id = g_signal_connect_swapped(viewer, "refresh",
+ G_CALLBACK(_conus_update), conus);
+
+ g_object_set_data(G_OBJECT(conus->config), "conus", conus);
+ gtk_notebook_append_page(GTK_NOTEBOOK(pconfig), conus->config,
+ gtk_label_new("Conus"));
+
+ _conus_update(conus);
+ return conus;
}
-static void _on_time_changed(GisViewer *viewer, const char *time, gpointer _self)
+void radar_conus_free(RadarConus *conus)
{
- g_debug("GisPluginRadar: _on_time_changed");
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- self->cur_time = g_strdup(time);
- _set_radar(self, self->cur_site, self->cur_time);
+ g_signal_handler_disconnect(conus->viewer, conus->time_id);
+ g_signal_handler_disconnect(conus->viewer, conus->refresh_id);
+
+ for (int i = 0; i < 2; i++) {
+ GritsTile *tile = conus->tile[i];
+ if (tile->data) {
+ glDeleteTextures(1, tile->data);
+ g_free(tile->data);
+ }
+ grits_viewer_remove(conus->viewer, tile);
+ }
+
+ g_object_unref(conus->viewer);
+ g_free(conus);
}
-static void _on_location_changed(GisViewer *viewer,
- gdouble lat, gdouble lon, gdouble elev,
- gpointer _self)
+
+/********************
+ * GritsPluginRadar *
+ ********************/
+static void _draw_hud(GritsCallback *callback, GritsOpenGL *opengl, gpointer _self)
{
- g_debug("GisPluginRadar: _on_location_changed");
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- gdouble min_dist = EARTH_R / 5;
- city_t *city, *min_city = NULL;
- for (city = cities; city->type; city++) {
- if (city->type != LOCATION_CITY)
+ g_debug("GritsPluginRadar: _draw_hud");
+ /* Setup OpenGL */
+ glMatrixMode(GL_MODELVIEW ); glLoadIdentity();
+ glMatrixMode(GL_PROJECTION); glLoadIdentity();
+ glDisable(GL_TEXTURE_2D);
+ glDisable(GL_ALPHA_TEST);
+ glDisable(GL_CULL_FACE);
+ glDisable(GL_LIGHTING);
+ glEnable(GL_COLOR_MATERIAL);
+
+ GHashTableIter iter;
+ gpointer name, _site;
+ GritsPluginRadar *self = GRITS_PLUGIN_RADAR(_self);
+ g_hash_table_iter_init(&iter, self->sites);
+ while (g_hash_table_iter_next(&iter, &name, &_site)) {
+ /* Pick correct colormaps */
+ RadarSite *site = _site;
+ if (site->hidden || !site->level2)
continue;
- gdouble city_loc[3] = {};
- gdouble eye_loc[3] = {lat, lon, elev};
- lle2xyz(city->lat, city->lon, city->elev,
- &city_loc[0], &city_loc[1], &city_loc[2]);
- lle2xyz(lat, lon, elev,
- &eye_loc[0], &eye_loc[1], &eye_loc[2]);
- gdouble dist = distd(city_loc, eye_loc);
- if (dist < min_dist) {
- min_dist = dist;
- min_city = city;
+ AWeatherColormap *colormap = site->level2->sweep_colors;
+
+ /* Print the color table */
+ glBegin(GL_QUADS);
+ int len = colormap->len;
+ for (int i = 0; i < len; i++) {
+ glColor4ubv(colormap->data[i]);
+ glVertex3f(-1.0, (float)((i ) - len/2)/(len/2), 0.0); // bot left
+ glVertex3f(-1.0, (float)((i+1) - len/2)/(len/2), 0.0); // top left
+ glVertex3f(-0.9, (float)((i+1) - len/2)/(len/2), 0.0); // top right
+ glVertex3f(-0.9, (float)((i ) - len/2)/(len/2), 0.0); // bot right
}
+ glEnd();
}
- static city_t *last_city = NULL;
- if (min_city && min_city != last_city){
- self->cur_site = min_city->code;
- _set_radar(self, self->cur_site, self->cur_time);
+}
+
+static void _load_colormap(gchar *filename, AWeatherColormap *cm)
+{
+ g_debug("GritsPluginRadar: _load_colormap - %s", filename);
+ FILE *file = g_fopen(filename, "r");
+ if (!file)
+ g_error("GritsPluginRadar: open failed");
+ guint8 color[4];
+ GArray *array = g_array_sized_new(FALSE, TRUE, sizeof(color), 256);
+ fgets(cm->name, sizeof(cm->name), file);
+ fscanf(file, "%f\n", &cm->scale);
+ fscanf(file, "%f\n", &cm->shift);
+ int r, g, b, a;
+ while (fscanf(file, "%d %d %d %d\n", &r, &g, &b, &a) == 4) {
+ color[0] = r;
+ color[1] = g;
+ color[2] = b;
+ color[3] = a;
+ g_array_append_val(array, color);
}
- last_city = min_city;
+ cm->len = (gint )array->len;
+ cm->data = (void*)array->data;
+ g_array_free(array, FALSE);
}
+static void _update_hidden(GtkNotebook *notebook,
+ GtkNotebookPage *page, guint page_num, gpointer viewer)
+{
+ g_debug("GritsPluginRadar: _update_hidden - 0..%d = %d",
+ gtk_notebook_get_n_pages(notebook), page_num);
+
+ for (gint i = 0; i < gtk_notebook_get_n_pages(notebook); i++) {
+ gboolean is_hidden = (i != page_num);
+ GtkWidget *config = gtk_notebook_get_nth_page(notebook, i);
+ RadarConus *conus = g_object_get_data(G_OBJECT(config), "conus");
+ RadarSite *site = g_object_get_data(G_OBJECT(config), "site");
+
+ /* Conus */
+ if (conus) {
+ grits_object_hide(GRITS_OBJECT(conus->tile[0]), is_hidden);
+ grits_object_hide(GRITS_OBJECT(conus->tile[1]), is_hidden);
+ } else if (site) {
+ site->hidden = is_hidden;
+ if (site->level2)
+ grits_object_hide(GRITS_OBJECT(site->level2), is_hidden);
+ } else {
+ g_warning("GritsPluginRadar: _update_hidden - no site or counus found");
+ }
+ }
+ gtk_widget_queue_draw(GTK_WIDGET(viewer));
+}
-/***********
- * Methods *
- ***********/
-GisPluginRadar *gis_plugin_radar_new(GisViewer *viewer, GisPrefs *prefs)
+/* Methods */
+GritsPluginRadar *grits_plugin_radar_new(GritsViewer *viewer, GritsPrefs *prefs)
{
/* TODO: move to constructor if possible */
- g_debug("GisPluginRadar: new");
- GisPluginRadar *self = g_object_new(GIS_TYPE_PLUGIN_RADAR, NULL);
+ g_debug("GritsPluginRadar: new");
+ GritsPluginRadar *self = g_object_new(GRITS_TYPE_PLUGIN_RADAR, NULL);
self->viewer = viewer;
self->prefs = prefs;
- self->time_changed_id = g_signal_connect(viewer, "time-changed",
- G_CALLBACK(_on_time_changed), self);
- self->location_changed_id = g_signal_connect(viewer, "location-changed",
- G_CALLBACK(_on_location_changed), self);
+ /* Setup page switching */
+ self->tab_id = g_signal_connect(self->config, "switch-page",
+ G_CALLBACK(_update_hidden), viewer);
+
+ /* Load HUD */
+ self->hud = grits_callback_new(_draw_hud, self);
+ grits_viewer_add(viewer, GRITS_OBJECT(self->hud), GRITS_LEVEL_HUD, FALSE);
+
+ /* Load Conus */
+ self->conus = radar_conus_new(self->config, self->viewer, self->conus_http);
+
+ /* Load radar sites */
for (city_t *city = cities; city->type; city++) {
if (city->type != LOCATION_CITY)
continue;
- g_debug("Adding marker for %s %s", city->code, city->label);
- GisMarker *marker = gis_marker_new(city->label);
- gis_point_set_lle(gis_object_center(GIS_OBJECT(marker)),
- city->lat, city->lon, city->elev);
- GIS_OBJECT(marker)->lod = EARTH_R/2;
- gis_viewer_add(self->viewer, GIS_OBJECT(marker), GIS_LEVEL_OVERLAY, FALSE);
+ RadarSite *site = radar_site_new(city, self->config,
+ self->viewer, self->prefs, self->sites_http);
+ g_hash_table_insert(self->sites, city->code, site);
}
- GisCallback *hud_cb = gis_callback_new(_draw_hud, self);
- gis_viewer_add(viewer, GIS_OBJECT(hud_cb), GIS_LEVEL_HUD, FALSE);
-
return self;
}
-static GtkWidget *gis_plugin_radar_get_config(GisPlugin *_self)
+static GtkWidget *grits_plugin_radar_get_config(GritsPlugin *_self)
{
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- return self->config_body;
+ GritsPluginRadar *self = GRITS_PLUGIN_RADAR(_self);
+ return self->config;
}
-
-/****************
- * GObject code *
- ****************/
-/* Plugin init */
-static void gis_plugin_radar_plugin_init(GisPluginInterface *iface);
-G_DEFINE_TYPE_WITH_CODE(GisPluginRadar, gis_plugin_radar, G_TYPE_OBJECT,
- G_IMPLEMENT_INTERFACE(GIS_TYPE_PLUGIN,
- gis_plugin_radar_plugin_init));
-static void gis_plugin_radar_plugin_init(GisPluginInterface *iface)
+/* GObject code */
+static void grits_plugin_radar_plugin_init(GritsPluginInterface *iface);
+G_DEFINE_TYPE_WITH_CODE(GritsPluginRadar, grits_plugin_radar, G_TYPE_OBJECT,
+ G_IMPLEMENT_INTERFACE(GRITS_TYPE_PLUGIN,
+ grits_plugin_radar_plugin_init));
+static void grits_plugin_radar_plugin_init(GritsPluginInterface *iface)
{
- g_debug("GisPluginRadar: plugin_init");
+ g_debug("GritsPluginRadar: plugin_init");
/* Add methods to the interface */
- iface->get_config = gis_plugin_radar_get_config;
+ iface->get_config = grits_plugin_radar_get_config;
}
-/* Class/Object init */
-static void gis_plugin_radar_init(GisPluginRadar *self)
+static void grits_plugin_radar_init(GritsPluginRadar *self)
{
- g_debug("GisPluginRadar: class_init");
+ g_debug("GritsPluginRadar: class_init");
/* Set defaults */
- self->http = gis_http_new("/nexrad/level2/");
- self->config_body = gtk_alignment_new(0, 0, 1, 1);
- self->load_mutex = g_mutex_new();
- gtk_container_set_border_width(GTK_CONTAINER(self->config_body), 5);
- gtk_container_add(GTK_CONTAINER(self->config_body), gtk_label_new("No radar loaded"));
+ self->sites_http = grits_http_new(G_DIR_SEPARATOR_S
+ "nexrad" G_DIR_SEPARATOR_S
+ "level2" G_DIR_SEPARATOR_S);
+ self->conus_http = grits_http_new(G_DIR_SEPARATOR_S
+ "nexrad" G_DIR_SEPARATOR_S
+ "conus" G_DIR_SEPARATOR_S);
+ self->sites = g_hash_table_new_full(g_str_hash, g_str_equal,
+ NULL, (GDestroyNotify)radar_site_free);
+ self->config = gtk_notebook_new();
+
+ /* Load colormaps */
+ for (int i = 0; colormaps[i].file; i++) {
+ gchar *file = g_build_filename(PKGDATADIR,
+ "colors", colormaps[i].file, NULL);
+ _load_colormap(file, &colormaps[i]);
+ g_free(file);
+ }
+
+ /* Need to position on the top because of Win32 bug */
+ gtk_notebook_set_tab_pos(GTK_NOTEBOOK(self->config), GTK_POS_LEFT);
}
-static void gis_plugin_radar_dispose(GObject *gobject)
+static void grits_plugin_radar_dispose(GObject *gobject)
{
- g_debug("GisPluginRadar: dispose");
- GisPluginRadar *self = GIS_PLUGIN_RADAR(gobject);
- g_signal_handler_disconnect(self->viewer, self->time_changed_id);
+ g_debug("GritsPluginRadar: dispose");
+ GritsPluginRadar *self = GRITS_PLUGIN_RADAR(gobject);
+ g_signal_handler_disconnect(self->config, self->tab_id);
+ grits_viewer_remove(self->viewer, self->hud);
+ radar_conus_free(self->conus);
/* Drop references */
- G_OBJECT_CLASS(gis_plugin_radar_parent_class)->dispose(gobject);
+ G_OBJECT_CLASS(grits_plugin_radar_parent_class)->dispose(gobject);
}
-static void gis_plugin_radar_finalize(GObject *gobject)
+static void grits_plugin_radar_finalize(GObject *gobject)
{
- g_debug("GisPluginRadar: finalize");
- GisPluginRadar *self = GIS_PLUGIN_RADAR(gobject);
+ g_debug("GritsPluginRadar: finalize");
+ GritsPluginRadar *self = GRITS_PLUGIN_RADAR(gobject);
/* Free data */
- gis_http_free(self->http);
- g_mutex_free(self->load_mutex);
- G_OBJECT_CLASS(gis_plugin_radar_parent_class)->finalize(gobject);
+ grits_http_free(self->conus_http);
+ grits_http_free(self->sites_http);
+ g_hash_table_destroy(self->sites);
+ gtk_widget_destroy(self->config);
+ G_OBJECT_CLASS(grits_plugin_radar_parent_class)->finalize(gobject);
}
-static void gis_plugin_radar_class_init(GisPluginRadarClass *klass)
+static void grits_plugin_radar_class_init(GritsPluginRadarClass *klass)
{
- g_debug("GisPluginRadar: class_init");
+ g_debug("GritsPluginRadar: class_init");
GObjectClass *gobject_class = (GObjectClass*)klass;
- gobject_class->dispose = gis_plugin_radar_dispose;
- gobject_class->finalize = gis_plugin_radar_finalize;
+ gobject_class->dispose = grits_plugin_radar_dispose;
+ gobject_class->finalize = grits_plugin_radar_finalize;
}
-