Pileus Git - aweather/blob - src/plugins/radar.c

   1 /*
   2  * Copyright (C) 2009-2010 Andy Spencer <andy753421@gmail.com>
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #define _XOPEN_SOURCE
  19 #include <time.h>
  20 #include <config.h>
  21 #include <glib/gstdio.h>
  22 #include <gtk/gtk.h>
  23 #include <gtk/gtkgl.h>
  24 #include <gio/gio.h>
  25 #include <GL/gl.h>
  26 #include <math.h>
  27 #include <rsl.h>
  28
  29 #include <gis.h>
  30
  31 #include "radar.h"
  32 #include "level2.h"
  33 #include "../aweather-location.h"
  34
  35 void _gtk_bin_set_child(GtkBin *bin, GtkWidget *new)
  36 {
  37         GtkWidget *old = gtk_bin_get_child(bin);
  38         if (old)
  39                 gtk_widget_destroy(old);
  40         gtk_container_add(GTK_CONTAINER(bin), new);
  41         gtk_widget_show_all(new);
  42 }
  43
  44 static gchar *_find_nearest(time_t time, GList *files,
  45                 gsize offset, gchar *format)
  46 {
  47         g_debug("GisPluginRadar: _find_nearest");
  48         time_t  nearest_time = 0;
  49         char   *nearest_file = NULL;
  50
  51         struct tm tm = {};
  52         for (GList *cur = files; cur; cur = cur->next) {
  53                 gchar *file = cur->data;
  54                 g_message("file=%s", file);
  55                 strptime(file+offset, format, &tm);
  56                 if (ABS(time - mktime(&tm)) <
  57                     ABS(time - nearest_time)) {
  58                         nearest_file = file;
  59                         nearest_time = mktime(&tm);
  60                 }
  61         }
  62
  63         g_debug("GisPluginRadar: _find_nearest = %s", nearest_file);
  64         if (nearest_file)
  65                 return g_strdup(nearest_file);
  66         else
  67                 return NULL;
  68 }
  69
  70
  71 /**************
  72  * RadarSites *
  73  **************/
  74 typedef enum {
  75         STATUS_UNLOADED,
  76         STATUS_LOADING,
  77         STATUS_LOADED,
  78 } RadarSiteStatus;
  79 struct _RadarSite {
  80         /* Information */
  81         gchar     *code;   // Site name. e.g. KLSX
  82         gchar     *name;   // Site name. e.g. St. Louis
  83         GisPoint   pos;    // LLE positions of antena
  84         GisMarker *marker; // Map marker for libgis
  85
  86         /* Stuff from the parents */
  87         GisViewer     *viewer;
  88         GisHttp       *http;
  89         GisPrefs      *prefs;
  90         GtkWidget     *pconfig;
  91
  92         /* When loaded */
  93         RadarSiteStatus status;     // Loading status for the site
  94         GtkWidget      *config;
  95         AWeatherLevel2 *level2;     // The Level2 structure for the current volume
  96         gpointer        level2_ref; // GisViewer reference to the added radar
  97
  98         /* Internal data */
  99         time_t   time;        // Current timestamp of the level2
 100         gchar   *message;     // Error message set while updating
 101         guint    time_id;     // "time-changed"     callback ID
 102         guint    refresh_id;  // "refresh"          callback ID
 103         guint    location_id; // "locaiton-changed" callback ID
 104 };
 105
 106 /* format: http://mesonet.agron.iastate.edu/data/nexrd2/raw/KABR/KABR_20090510_0323 */
 107 void _site_update_loading(gchar *file, goffset cur,
 108                 goffset total, gpointer _site)
 109 {
 110         RadarSite *site = _site;
 111         GtkWidget *progress_bar = gtk_bin_get_child(GTK_BIN(site->config));
 112         double percent = (double)cur/total;
 113         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress_bar), MIN(percent, 1.0));
 114         gchar *msg = g_strdup_printf("Loading... %5.1f%% (%.2f/%.2f MB)",
 115                         percent*100, (double)cur/1000000, (double)total/1000000);
 116         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar), msg);
 117         g_free(msg);
 118 }
 119 gboolean _site_update_end(gpointer _site)
 120 {
 121         RadarSite *site = _site;
 122         if (site->message) {
 123                 g_warning("GisPluginRadar: _update_end - %s", site->message);
 124                 _gtk_bin_set_child(GTK_BIN(site->config), gtk_label_new(site->message));
 125         } else {
 126                 _gtk_bin_set_child(GTK_BIN(site->config),
 127                                 aweather_level2_get_config(site->level2));
 128         }
 129         site->status = STATUS_LOADED;
 130         return FALSE;
 131 }
 132 gpointer _site_update_thread(gpointer _site)
 133 {
 134         RadarSite *site = _site;
 135         g_debug("GisPluginRadar: _update - %s", site->code);
 136         site->status = STATUS_LOADING;
 137         site->message = NULL;
 138
 139         gboolean offline = gis_viewer_get_offline(site->viewer);
 140         gchar *nexrad_url = gis_prefs_get_string(site->prefs,
 141                         "aweather/nexrad_url", NULL);
 142
 143         /* Remove old volume */
 144         g_debug("GisPluginRadar: _update - remove - %s", site->code);
 145         if (site->level2_ref) {
 146                 gis_viewer_remove(site->viewer, site->level2_ref);
 147                 site->level2_ref = NULL;
 148         }
 149
 150         /* Find nearest volume (temporally) */
 151         g_debug("GisPluginRadar: _update - find nearest - %s", site->code);
 152         gchar *dir_list = g_strconcat(nexrad_url, "/", site->code,
 153                         "/", "dir.list", NULL);
 154         GList *files = gis_http_available(site->http,
 155                         "^K\\w{3}_\\d{8}_\\d{4}$", site->code,
 156                         "\\d+ (.*)", (offline ? NULL : dir_list));
 157         g_free(dir_list);
 158         gchar *nearest = _find_nearest(site->time, files, 5, "%Y%m%d_%H%M");
 159         g_list_foreach(files, (GFunc)g_free, NULL);
 160         g_list_free(files);
 161         if (!nearest) {
 162                 site->message = "No suitable files found";
 163                 goto out;
 164         }
 165
 166         /* Fetch new volume */
 167         g_debug("GisPluginRadar: _update - fetch");
 168         gchar *local = g_strconcat(site->code, "/", nearest, NULL);
 169         gchar *uri   = g_strconcat(nexrad_url, "/", local,   NULL);
 170         gchar *file = gis_http_fetch(site->http, uri, local,
 171                         offline ? GIS_LOCAL : GIS_UPDATE,
 172                         _site_update_loading, site);
 173         g_free(local);
 174         g_free(uri);
 175         if (!file) {
 176                 site->message = "Fetch failed";
 177                 goto out;
 178         }
 179
 180         /* Load and add new volume */
 181         g_debug("GisPluginRadar: _update - load - %s", site->code);
 182         site->level2 = aweather_level2_new_from_file(
 183                         site->viewer, colormaps, file, site->code);
 184         if (!site->level2) {
 185                 site->message = "Load failed";
 186                 goto out;
 187         }
 188         site->level2_ref = gis_viewer_add(site->viewer,
 189                         GIS_OBJECT(site->level2), GIS_LEVEL_WORLD, TRUE);
 190
 191 out:
 192         g_idle_add(_site_update_end, site);
 193         return NULL;
 194 }
 195 void _site_update(RadarSite *site)
 196 {
 197         site->time = gis_viewer_get_time(site->viewer);
 198         g_debug("GisPluginRadar: _on_time_changed %s - %d",
 199                         site->code, (gint)site->time);
 200
 201         /* Add a progress bar */
 202         GtkWidget *progress = gtk_progress_bar_new();
 203         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), "Loading...");
 204         _gtk_bin_set_child(GTK_BIN(site->config), progress);
 205
 206         /* Fork loading right away so updating the
 207          * list of times doesn't take too long */
 208         g_thread_create(_site_update_thread, site, FALSE, NULL);
 209 }
 210
 211 /* RadarSite methods */
 212 void radar_site_unload(RadarSite *site)
 213 {
 214         g_debug("GisPluginRadar: radar_site_unload %s", site->code);
 215
 216         if (site->status == STATUS_LOADING)
 217                 return; // Abort if it's still loading
 218
 219         g_signal_handler_disconnect(site->viewer, site->time_id);
 220         g_signal_handler_disconnect(site->viewer, site->refresh_id);
 221
 222         /* Remove tab */
 223         gtk_widget_destroy(site->config);
 224
 225         /* Remove radar */
 226         if (site->level2_ref) {
 227                 gis_viewer_remove(site->viewer, site->level2_ref);
 228                 site->level2_ref = NULL;
 229         }
 230
 231         site->status = STATUS_UNLOADED;
 232 }
 233
 234 void radar_site_load(RadarSite *site)
 235 {
 236         g_debug("GisPluginRadar: radar_site_load %s", site->code);
 237         site->status = STATUS_LOADING;
 238
 239         /* Add tab page */
 240         site->config = gtk_alignment_new(0, 0, 1, 1);
 241         GtkWidget *tab   = gtk_hbox_new(FALSE, 0);
 242         GtkWidget *close = gtk_button_new();
 243         GtkWidget *label = gtk_label_new(site->name);
 244         gtk_container_add(GTK_CONTAINER(close),
 245                         gtk_image_new_from_stock(GTK_STOCK_CLOSE,
 246                                 GTK_ICON_SIZE_MENU));
 247         gtk_button_set_relief(GTK_BUTTON(close), GTK_RELIEF_NONE);
 248         g_signal_connect_swapped(close, "clicked",
 249                         G_CALLBACK(radar_site_unload), site);
 250         gtk_box_pack_start(GTK_BOX(tab), label, TRUE, TRUE, 0);
 251         gtk_box_pack_end(GTK_BOX(tab), close, FALSE, FALSE, 0);
 252         gtk_notebook_append_page(GTK_NOTEBOOK(site->pconfig),
 253                         site->config, tab);
 254         gtk_widget_show_all(site->config);
 255         gtk_widget_show_all(tab);
 256
 257         /* Set up radar loading */
 258         site->time_id = g_signal_connect_swapped(site->viewer, "time-changed",
 259                         G_CALLBACK(_site_update), site);
 260         site->refresh_id = g_signal_connect_swapped(site->viewer, "refresh",
 261                         G_CALLBACK(_site_update), site);
 262         _site_update(site);
 263 }
 264
 265 void _site_on_location_changed(GisViewer *viewer,
 266                 gdouble lat, gdouble lon, gdouble elev,
 267                 gpointer _site)
 268 {
 269         static gdouble min_dist = EARTH_R / 20;
 270         RadarSite *site = _site;
 271
 272         /* Calculate distance, could cache xyz values */
 273         gdouble eye_xyz[3], site_xyz[3];
 274         lle2xyz(lat, lon, elev, &eye_xyz[0], &eye_xyz[1], &eye_xyz[2]);
 275         lle2xyz(site->pos.lat, site->pos.lon, site->pos.elev,
 276                         &site_xyz[0], &site_xyz[1], &site_xyz[2]);
 277         gdouble dist = distd(site_xyz, eye_xyz);
 278
 279         /* Load or unload the site if necessasairy */
 280         if (dist <= min_dist && dist < elev*1.25 && site->status == STATUS_UNLOADED)
 281                 radar_site_load(site);
 282         else if (dist > 2*min_dist &&  site->status != STATUS_UNLOADED)
 283                 radar_site_unload(site);
 284 }
 285
 286 RadarSite *radar_site_new(city_t *city, GtkWidget *pconfig,
 287                 GisViewer *viewer, GisPrefs *prefs, GisHttp *http)
 288 {
 289         RadarSite *site = g_new0(RadarSite, 1);
 290         site->viewer  = g_object_ref(viewer);
 291         site->prefs   = g_object_ref(prefs);
 292         site->http    = http;
 293         site->code    = g_strdup(city->code);
 294         site->name    = g_strdup(city->name);
 295         site->pos     = city->pos;
 296         site->pconfig = pconfig;
 297
 298         /* Add marker */
 299         site->marker = gis_marker_new(city->name);
 300         GIS_OBJECT(site->marker)->center = site->pos;
 301         GIS_OBJECT(site->marker)->lod    = EARTH_R*city->lod;
 302         gis_viewer_add(site->viewer, GIS_OBJECT(site->marker),
 303                         GIS_LEVEL_OVERLAY, FALSE);
 304
 305         /* Connect signals */
 306         site->location_id  =
 307                 g_signal_connect(viewer, "location-changed",
 308                         G_CALLBACK(_site_on_location_changed), site);
 309         return site;
 310 }
 311
 312 void radar_site_free(RadarSite *site)
 313 {
 314         radar_site_unload(site);
 315         /* Stuff? */
 316         g_object_unref(site->viewer);
 317         g_free(site->code);
 318         g_free(site);
 319 }
 320
 321
 322 /**************
 323  * RadarConus *
 324  **************/
 325 struct _RadarConus {
 326         GisViewer  *viewer;
 327         GisTile    *tile;
 328         GisHttp    *http;
 329         GtkWidget  *config;
 330         time_t      time;
 331         GdkPixbuf  *pixbuf;
 332         gchar      *message;
 333         gchar      *nearest;
 334 };
 335
 336 void _conus_update_loading(gchar *file, goffset cur,
 337                 goffset total, gpointer _conus)
 338 {
 339         RadarConus *conus = _conus;
 340         GtkWidget *progress_bar = gtk_bin_get_child(GTK_BIN(conus->config));
 341         double percent = (double)cur/total;
 342         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress_bar), MIN(percent, 1.0));
 343         gchar *msg = g_strdup_printf("Loading... %5.1f%% (%.2f/%.2f MB)",
 344                         percent*100, (double)cur/1000000, (double)total/1000000);
 345         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar), msg);
 346         g_free(msg);
 347 }
 348
 349 gboolean _conus_update_end(gpointer _conus)
 350 {
 351         RadarConus *conus = _conus;
 352
 353         guchar    *pixels = gdk_pixbuf_get_pixels(conus->pixbuf);
 354         gboolean   alpha  = gdk_pixbuf_get_has_alpha(conus->pixbuf);
 355         gint       width  = gdk_pixbuf_get_width(conus->pixbuf);
 356         gint       height = gdk_pixbuf_get_height(conus->pixbuf);
 357
 358         if (!conus->tile->data) {
 359                 conus->tile->data = g_new0(guint, 1);
 360                 glGenTextures(1, conus->tile->data);
 361         }
 362
 363         guint *tex = conus->tile->data;
 364         glBindTexture(GL_TEXTURE_2D, *tex);
 365
 366         glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
 367         glPixelStorei(GL_PACK_ALIGNMENT, 1);
 368         glTexImage2D(GL_TEXTURE_2D, 0, 4, width, height, 0,
 369                         (alpha ? GL_RGBA : GL_RGB), GL_UNSIGNED_BYTE, pixels);
 370         glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 371         glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 372         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
 373         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
 374         glFlush();
 375
 376         /* finish */
 377         _gtk_bin_set_child(GTK_BIN(conus->config),
 378                         gtk_label_new(conus->nearest));
 379         gtk_widget_queue_draw(GTK_WIDGET(conus->viewer));
 380         g_object_unref(conus->pixbuf);
 381
 382         return FALSE;
 383 }
 384
 385 gpointer _conus_update_thread(gpointer _conus)
 386 {
 387         RadarConus *conus = _conus;
 388
 389         /* Find nearest */
 390         gboolean offline = gis_viewer_get_offline(conus->viewer);
 391         gchar *conus_url = "http://radar.weather.gov/Conus/RadarImg/";
 392         GList *files = gis_http_available(conus->http,
 393                         "^Conus_[^\"]*_N0Ronly.gif$", "",
 394                         NULL, (offline ? NULL : conus_url));
 395         conus->nearest = _find_nearest(conus->time, files, 6, "%Y%m%d_%H%M");
 396         g_list_foreach(files, (GFunc)g_free, NULL);
 397         g_list_free(files);
 398         if (!conus->nearest) {
 399                 conus->message = "No suitable files";
 400                 goto out;
 401         }
 402
 403         /* Fetch the image */
 404         gchar *uri     = g_strconcat(conus_url, conus->nearest, NULL);
 405         gchar *path    = gis_http_fetch(conus->http, uri, conus->nearest, GIS_ONCE,
 406                         _conus_update_loading, conus);
 407         if (!path) {
 408                 conus->message = "Fetch failed";
 409                 goto out;
 410         }
 411
 412         /* Load the image to a pixbuf */
 413         GError *error = NULL;
 414         conus->pixbuf = gdk_pixbuf_new_from_file(path, &error);
 415         if (!gdk_pixbuf_get_has_alpha(conus->pixbuf)) {
 416                 GdkPixbuf *tmp = gdk_pixbuf_add_alpha(conus->pixbuf, TRUE, 0xff, 0xff, 0xff);
 417                 g_object_unref(conus->pixbuf);
 418                 conus->pixbuf = tmp;
 419         }
 420
 421         /* Map the pixbuf's alpha values */
 422         const guchar colormap[][2][4] = {
 423                 {{0x04, 0xe9, 0xe7}, {0x04, 0xe9, 0xe7, 0x30}},
 424                 {{0x01, 0x9f, 0xf4}, {0x01, 0x9f, 0xf4, 0x60}},
 425                 {{0x03, 0x00, 0xf4}, {0x03, 0x00, 0xf4, 0x90}},
 426         };
 427         guchar *pixels = gdk_pixbuf_get_pixels(conus->pixbuf);
 428         gint    height = gdk_pixbuf_get_height(conus->pixbuf);
 429         gint    width  = gdk_pixbuf_get_width(conus->pixbuf);
 430         for (int i = 0; i < width*height; i++) {
 431                 for (int j = 0; j < G_N_ELEMENTS(colormap); j++) {
 432                         if (pixels[i*4+0] > 0xe0 &&
 433                             pixels[i*4+1] > 0xe0 &&
 434                             pixels[i*4+2] > 0xe0) {
 435                                 pixels[i*4+3] = 0x00;
 436                                 break;
 437                         }
 438                         if (pixels[i*4+0] == colormap[j][0][0] &&
 439                             pixels[i*4+1] == colormap[j][0][1] &&
 440                             pixels[i*4+2] == colormap[j][0][2]) {
 441                                 pixels[i*4+0] = colormap[j][1][0];
 442                                 pixels[i*4+1] = colormap[j][1][1];
 443                                 pixels[i*4+2] = colormap[j][1][2];
 444                                 pixels[i*4+3] = colormap[j][1][3];
 445                                 break;
 446                         }
 447                 }
 448         }
 449
 450 out:
 451         g_idle_add(_conus_update_end, conus);
 452         return NULL;
 453 }
 454
 455 void _conus_update(RadarConus *conus)
 456 {
 457         conus->time = gis_viewer_get_time(conus->viewer);
 458         g_debug("GisPluginRadar: _conus_update - %d",
 459                         (gint)conus->time);
 460
 461         /* Add a progress bar */
 462         GtkWidget *progress = gtk_progress_bar_new();
 463         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), "Loading...");
 464         _gtk_bin_set_child(GTK_BIN(conus->config), progress);
 465
 466         g_thread_create(_conus_update_thread, conus, FALSE, NULL);
 467 }
 468
 469 RadarConus *radar_conus_new(GtkWidget *pconfig,
 470                 GisViewer *viewer, GisHttp *http)
 471 {
 472         RadarConus *conus = g_new0(RadarConus, 1);
 473         conus->viewer  = g_object_ref(viewer);
 474         conus->http    = http;
 475         conus->config  = gtk_alignment_new(0, 0, 1, 1);
 476         conus->tile    = gis_tile_new(NULL,
 477                         50.406626367301044,   50.406626367301044-0.017971305190311*1600,
 478                         -127.620375523875420+0.017971305190311*3400, -127.620375523875420);
 479         conus->tile->zindex = 1;
 480         g_signal_connect_swapped(viewer, "time-changed", G_CALLBACK(_conus_update), conus);
 481         g_signal_connect_swapped(viewer, "refresh",      G_CALLBACK(_conus_update), conus);
 482         gis_viewer_add(viewer, GIS_OBJECT(conus->tile), GIS_LEVEL_WORLD, TRUE);
 483         gtk_notebook_append_page(GTK_NOTEBOOK(pconfig), conus->config, gtk_label_new("Conus"));
 484         _conus_update(conus);
 485         return conus;
 486 }
 487
 488 void radar_conus_free(RadarConus *conus)
 489 {
 490         g_object_unref(conus->viewer);
 491         g_free(conus);
 492 }
 493
 494
 495 /******************
 496  * GisPluginRadar *
 497  ******************/
 498 static void _draw_hud(GisCallback *callback, gpointer _self)
 499 {
 500         /* TODO */
 501         GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
 502         if (!self->colormap)
 503                 return;
 504
 505         g_debug("GisPluginRadar: _draw_hud");
 506         /* Print the color table */
 507         glMatrixMode(GL_MODELVIEW ); glLoadIdentity();
 508         glMatrixMode(GL_PROJECTION); glLoadIdentity();
 509         glDisable(GL_TEXTURE_2D);
 510         glDisable(GL_ALPHA_TEST);
 511         glDisable(GL_CULL_FACE);
 512         glDisable(GL_LIGHTING);
 513         glEnable(GL_COLOR_MATERIAL);
 514         glBegin(GL_QUADS);
 515         int i;
 516         for (i = 0; i < 256; i++) {
 517                 glColor4ubv(self->colormap->data[i]);
 518                 glVertex3f(-1.0, (float)((i  ) - 256/2)/(256/2), 0.0); // bot left
 519                 glVertex3f(-1.0, (float)((i+1) - 256/2)/(256/2), 0.0); // top left
 520                 glVertex3f(-0.9, (float)((i+1) - 256/2)/(256/2), 0.0); // top right
 521                 glVertex3f(-0.9, (float)((i  ) - 256/2)/(256/2), 0.0); // bot right
 522         }
 523         glEnd();
 524 }
 525
 526 /* Methods */
 527 GisPluginRadar *gis_plugin_radar_new(GisViewer *viewer, GisPrefs *prefs)
 528 {
 529         /* TODO: move to constructor if possible */
 530         g_debug("GisPluginRadar: new");
 531         GisPluginRadar *self = g_object_new(GIS_TYPE_PLUGIN_RADAR, NULL);
 532         self->viewer = viewer;
 533         self->prefs  = prefs;
 534
 535         /* Load HUD */
 536         GisCallback *hud_cb = gis_callback_new(_draw_hud, self);
 537         gis_viewer_add(viewer, GIS_OBJECT(hud_cb), GIS_LEVEL_HUD, FALSE);
 538
 539         /* Load Conus */
 540         self->conus = radar_conus_new(self->config, self->viewer, self->conus_http);
 541
 542         /* Load radar sites */
 543         for (city_t *city = cities; city->type; city++) {
 544                 if (city->type != LOCATION_CITY)
 545                         continue;
 546                 RadarSite *site = radar_site_new(city, self->config,
 547                                 self->viewer, self->prefs, self->sites_http);
 548                 g_hash_table_insert(self->sites, city->code, site);
 549         }
 550
 551         return self;
 552 }
 553
 554 static GtkWidget *gis_plugin_radar_get_config(GisPlugin *_self)
 555 {
 556         GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
 557         return self->config;
 558 }
 559
 560 /* GObject code */
 561 static void gis_plugin_radar_plugin_init(GisPluginInterface *iface);
 562 G_DEFINE_TYPE_WITH_CODE(GisPluginRadar, gis_plugin_radar, G_TYPE_OBJECT,
 563                 G_IMPLEMENT_INTERFACE(GIS_TYPE_PLUGIN,
 564                         gis_plugin_radar_plugin_init));
 565 static void gis_plugin_radar_plugin_init(GisPluginInterface *iface)
 566 {
 567         g_debug("GisPluginRadar: plugin_init");
 568         /* Add methods to the interface */
 569         iface->get_config = gis_plugin_radar_get_config;
 570 }
 571 static void gis_plugin_radar_init(GisPluginRadar *self)
 572 {
 573         g_debug("GisPluginRadar: class_init");
 574         /* Set defaults */
 575         self->sites_http = gis_http_new(G_DIR_SEPARATOR_S "nexrad" G_DIR_SEPARATOR_S "level2" G_DIR_SEPARATOR_S);
 576         self->conus_http = gis_http_new(G_DIR_SEPARATOR_S "nexrad" G_DIR_SEPARATOR_S "conus" G_DIR_SEPARATOR_S);
 577         self->sites      = g_hash_table_new(g_str_hash, g_str_equal);
 578         self->config     = gtk_notebook_new();
 579         gtk_notebook_set_tab_pos(GTK_NOTEBOOK(self->config), GTK_POS_LEFT);
 580 }
 581 static void gis_plugin_radar_dispose(GObject *gobject)
 582 {
 583         g_debug("GisPluginRadar: dispose");
 584         GisPluginRadar *self = GIS_PLUGIN_RADAR(gobject);
 585         /* Drop references */
 586         G_OBJECT_CLASS(gis_plugin_radar_parent_class)->dispose(gobject);
 587 }
 588 static void gis_plugin_radar_finalize(GObject *gobject)
 589 {
 590         g_debug("GisPluginRadar: finalize");
 591         GisPluginRadar *self = GIS_PLUGIN_RADAR(gobject);
 592         /* Free data */
 593         gis_http_free(self->conus_http);
 594         gis_http_free(self->sites_http);
 595         g_hash_table_destroy(self->sites);
 596         gtk_widget_destroy(self->config);
 597         G_OBJECT_CLASS(gis_plugin_radar_parent_class)->finalize(gobject);
 598
 599 }
 600 static void gis_plugin_radar_class_init(GisPluginRadarClass *klass)
 601 {
 602         g_debug("GisPluginRadar: class_init");
 603         GObjectClass *gobject_class = (GObjectClass*)klass;
 604         gobject_class->dispose  = gis_plugin_radar_dispose;
 605         gobject_class->finalize = gis_plugin_radar_finalize;
 606 }
 607