/*
- * Copyright (C) 2009-201
0 Andy Spencer <andy753421@gmail.com>
+ * Copyright (C) 2009-201
2 Andy Spencer <andy753421@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#define _XOPEN_SOURCE
+#include <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 "marching.h"
+#include "level2.h"
#include "../aweather-location.h"
+#include "compat.h"
-/**************************
- * Data loading functions *
- **************************/
-/* Convert a sweep to an 2d array of data points */
-static void _bscan_sweep(GisPluginRadar *self, Sweep *sweep, colormap_t *colormap,
- guint8 **data, int *width, int *height)
+static void aweather_bin_set_child(GtkBin *bin, GtkWidget *new)
{
- /* Calculate max number of bins */
- int max_bins = 0;
- for (int i = 0; i < sweep->h.nrays; i++)
- max_bins = MAX(max_bins, sweep->ray[i]->h.nbins);
-
- /* Allocate buffer using max number of bins for each ray */
- guint8 *buf = g_malloc0(sweep->h.nrays * max_bins * 4);
-
- /* Fill the data */
- for (int ri = 0; ri < sweep->h.nrays; ri++) {
- Ray *ray = sweep->ray[ri];
- for (int bi = 0; bi < ray->h.nbins; bi++) {
- /* copy RGBA into buffer */
- //guint val = dz_f(ray->range[bi]);
- guint8 val = (guint8)ray->h.f(ray->range[bi]);
- guint buf_i = (ri*max_bins+bi)*4;
- buf[buf_i+0] = colormap->data[val][0];
- buf[buf_i+1] = colormap->data[val][1];
- buf[buf_i+2] = colormap->data[val][2];
- buf[buf_i+3] = colormap->data[val][3]*0.75; // TESTING
- if (val == BADVAL || val == RFVAL || val == APFLAG ||
- val == NOTFOUND_H || val == NOTFOUND_V || val == NOECHO) {
- buf[buf_i+3] = 0x00; // transparent
- }
+ 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)
+{
+ 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;
+ sscanf(file+offset, "%4d%2d%2d_%2d%2d",
+ &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
+ &tm.tm_hour, &tm.tm_min);
+ tm.tm_year -= 1900;
+ tm.tm_mon -= 1;
+ if (ABS(time - mktime(&tm)) <
+ ABS(time - nearest_time)) {
+ nearest_file = file;
+ nearest_time = mktime(&tm);
}
}
- /* set output */
- *width = max_bins;
- *height = sweep->h.nrays;
- *data = buf;
+ g_debug("RadarSite: find_nearest = %s", nearest_file);
+ if (nearest_file)
+ return g_strdup(nearest_file);
+ else
+ return NULL;
}
-/* Load a sweep as the active texture */
-static void _load_sweep(GisPluginRadar *self, Sweep *sweep)
-{
- GisViewer *viewer = self->viewer;
- gis_viewer_begin(viewer);
- self->cur_sweep = sweep;
- int height, width;
- guint8 *data;
- _bscan_sweep(self, sweep, self->cur_colormap, &data, &width, &height);
- glDeleteTextures(1, &self->cur_sweep_tex);
- glGenTextures(1, &self->cur_sweep_tex);
- glBindTexture(GL_TEXTURE_2D, self->cur_sweep_tex);
- glPixelStorei(GL_PACK_ALIGNMENT, 1);
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0,
- GL_RGBA, GL_UNSIGNED_BYTE, data);
- g_free(data);
- gtk_widget_queue_draw(GTK_WIDGET(viewer));
- gis_viewer_end(viewer);
-}
-static void _load_colormap(GisPluginRadar *self, gchar *table)
+/**************
+ * 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
+ guint idle_source; // _site_update_end idle source
+};
+
+/* 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)
{
- /* Set colormap so we can draw it on expose */
- for (int i = 0; colormaps[i].name; i++)
- if (g_str_equal(colormaps[i].name, table))
- self->cur_colormap = &colormaps[i];
+ 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);
}
-
-/* Add selectors to the config area for the sweeps */
-static void _on_sweep_clicked(GtkRadioButton *button, gpointer _self);
-static void _load_radar_gui(GisPluginRadar *self, Radar *radar)
+gboolean _site_update_end(gpointer _site)
{
- /* Clear existing items */
- GtkWidget *child = gtk_bin_get_child(GTK_BIN(self->config_body));
- if (child)
- gtk_widget_destroy(child);
-
- 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), "type", vol->h.type_str);
- g_object_set_data(G_OBJECT(button), "sweep", sweep);
- g_signal_connect(button, "clicked", G_CALLBACK(_on_sweep_clicked), self);
- }
+ RadarSite *site = _site;
+ if (site->message) {
+ g_warning("RadarSite: update_end - %s", site->message);
+ const char *fmt = "http://forecast.weather.gov/product.php?site=NWS&product=FTM&format=TXT&issuedby=%s";
+ char *uri = g_strdup_printf(fmt, site->city->code+1);
+ GtkWidget *box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
+ GtkWidget *msg = gtk_label_new(site->message);
+ GtkWidget *btn = gtk_link_button_new_with_label(uri, "View Radar Status");
+ gtk_box_set_homogeneous(GTK_BOX(box), TRUE);
+ gtk_box_pack_start(GTK_BOX(box), msg, TRUE, TRUE, 0);
+ gtk_box_pack_start(GTK_BOX(box), btn, TRUE, TRUE, 0);
+ aweather_bin_set_child(GTK_BIN(site->config), box);
+ g_free(uri);
+ } else {
+ aweather_bin_set_child(GTK_BIN(site->config),
+ aweather_level2_get_config(site->level2));
}
- gtk_container_add(GTK_CONTAINER(self->config_body), table);
- gtk_widget_show_all(table);
+ site->status = STATUS_LOADED;
+ site->idle_source = 0;
+ return FALSE;
}
-
-static void _gis_plugin_radar_grid_set(GRIDCELL *grid, int gi, Ray *ray, int bi)
+gpointer _site_update_thread(gpointer _site)
{
- Range range = ray->range[bi];
-
- double angle = deg2rad(ray->h.azimuth);
- double tilt = deg2rad(ray->h.elev);
-
- double lx = sin(angle);
- double ly = cos(angle);
- double lz = sin(tilt);
-
- double dist = bi*ray->h.gate_size + ray->h.range_bin1;
-
- grid->p[gi].x = lx*dist;
- grid->p[gi].y = ly*dist;
- grid->p[gi].z = lz*dist;
-
- guint8 val = (guint8)ray->h.f(ray->range[bi]);
- if (val == BADVAL || val == RFVAL || val == APFLAG ||
- val == NOTFOUND_H || val == NOTFOUND_V || val == NOECHO ||
- val > 80)
- val = 0;
- grid->val[gi] = (float)val;
- //g_debug("(%.2f,%.2f,%.2f) - (%.0f,%.0f,%.0f) = %d",
- // angle, tilt, dist,
- // grid->p[gi].x,
- // grid->p[gi].y,
- // grid->p[gi].z,
- // val);
-}
-
-/* Load a radar from a decompressed file */
-static void _load_radar(GisPluginRadar *self, gchar *radar_file)
-{
- char *dir = g_path_get_dirname(radar_file);
- char *site = g_path_get_basename(dir);
- g_free(dir);
- g_debug("GisPluginRadar: load_radar - Loading new radar");
- RSL_read_these_sweeps("all", NULL);
- Radar *radar = self->cur_radar = RSL_wsr88d_to_radar(radar_file, site);
- if (radar == NULL) {
- g_warning("fail to load radar: path=%s, site=%s", radar_file, site);
- g_free(site);
- return;
+ 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,
+ "^\\w{4}_\\d{8}_\\d{4}$", site->city->code,
+ "\\d+ (.*)", (offline ? NULL : dir_list));
+ g_free(dir_list);
+ gchar *nearest = _find_nearest(site->time, files, 5);
+ g_list_foreach(files, (GFunc)g_free, NULL);
+ g_list_free(files);
+ if (!nearest) {
+ site->message = "No suitable files found";
+ goto out;
}
- g_free(site);
-#ifdef MARCHING
- /* Load the surface */
- if (self->cur_triangles) {
- g_free(self->cur_triangles);
- self->cur_triangles = NULL;
- }
- self->cur_num_triangles = 0;
- int x = 1;
- for (guint vi = 0; vi < radar->h.nvolumes; vi++) {
- if (radar->v[vi] == NULL) continue;
-
- for (guint si = 0; si+1 < radar->v[vi]->h.nsweeps; si++) {
- Sweep *sweep0 = radar->v[vi]->sweep[si+0];
- Sweep *sweep1 = radar->v[vi]->sweep[si+1];
-
- //g_debug("GisPluginRadar: load_radar: sweep[%3d-%3d] -- nrays = %d, %d",
- // si, si+1,sweep0->h.nrays, sweep1->h.nrays);
-
- /* Skip super->regular resolution switch for now */
- if (sweep0 == NULL || sweep0->h.elev == 0 ||
- sweep1 == NULL || sweep1->h.elev == 0 ||
- sweep0->h.nrays != sweep1->h.nrays)
- continue;
-
- /* We repack the arrays so that raysX[0] is always north, etc */
- Ray **rays0 = g_malloc0(sizeof(Ray*)*sweep0->h.nrays);
- Ray **rays1 = g_malloc0(sizeof(Ray*)*sweep1->h.nrays);
-
- for (guint ri = 0; ri < sweep0->h.nrays; ri++)
- rays0[(guint)(sweep0->ray[ri]->h.azimuth * sweep0->h.nrays / 360)] =
- sweep0->ray[ri];
- for (guint ri = 0; ri < sweep1->h.nrays; ri++)
- rays1[(guint)(sweep1->ray[ri]->h.azimuth * sweep1->h.nrays / 360)] =
- sweep1->ray[ri];
-
- for (guint ri = 0; ri+x < sweep0->h.nrays; ri+=x) {
- //g_debug("GisPluginRadar: load_radar - ray[%3d-%3d] -- nbins = %d, %d, %d, %d",
- // ri, ri+x,
- // rays0[ri ]->h.nbins,
- // rays0[ri+1]->h.nbins,
- // rays1[ri ]->h.nbins,
- // rays1[ri+1]->h.nbins);
-
- for (guint bi = 0; bi+x < rays1[ri]->h.nbins; bi+=x) {
- GRIDCELL grid = {};
- _gis_plugin_radar_grid_set(&grid, 7, rays0[(ri )%sweep0->h.nrays], bi+x);
- _gis_plugin_radar_grid_set(&grid, 6, rays0[(ri+x)%sweep0->h.nrays], bi+x);
- _gis_plugin_radar_grid_set(&grid, 5, rays0[(ri+x)%sweep0->h.nrays], bi );
- _gis_plugin_radar_grid_set(&grid, 4, rays0[(ri )%sweep0->h.nrays], bi );
- _gis_plugin_radar_grid_set(&grid, 3, rays1[(ri )%sweep0->h.nrays], bi+x);
- _gis_plugin_radar_grid_set(&grid, 2, rays1[(ri+x)%sweep0->h.nrays], bi+x);
- _gis_plugin_radar_grid_set(&grid, 1, rays1[(ri+x)%sweep0->h.nrays], bi );
- _gis_plugin_radar_grid_set(&grid, 0, rays1[(ri )%sweep0->h.nrays], bi );
-
- TRIANGLE tris[10];
- int n = march_one_cube(grid, 40, tris);
-
- self->cur_triangles = g_realloc(self->cur_triangles,
- (self->cur_num_triangles+n)*sizeof(TRIANGLE));
- for (int i = 0; i < n; i++) {
- //g_debug("triangle: ");
- //g_debug("\t(%f,%f,%f)", tris[i].p[0].x, tris[i].p[0].y, tris[i].p[0].z);
- //g_debug("\t(%f,%f,%f)", tris[i].p[1].x, tris[i].p[1].y, tris[i].p[1].z);
- //g_debug("\t(%f,%f,%f)", tris[i].p[2].x, tris[i].p[2].y, tris[i].p[2].z);
- self->cur_triangles[self->cur_num_triangles+i] = tris[i];
- }
- self->cur_num_triangles += n;
- //g_debug(" ");
- }
- }
- }
- break; // Exit after first volume (reflectivity)
+ /* 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;
}
-#endif
- /* 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_colormap(self, radar->v[vi]->h.type_str);
- _load_sweep(self, radar->v[vi]->sweep[si]);
- break;
- }
- break;
- }
+ /* 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+3, TRUE);
- _load_radar_gui(self, radar);
+out:
+ if (!site->idle_source)
+ site->idle_source = g_idle_add(_site_update_end, site);
+ return NULL;
}
-
-typedef struct {
- GisPluginRadar *self;
- gchar *radar_file;
-} decompressed_t;
-
-static void _decompressed_cb(GPid pid, gint status, gpointer _udata)
+void _site_update(RadarSite *site)
{
- g_debug("GisPluginRadar: decompressed_cb");
- decompressed_t *udata = _udata;
- if (status != 0) {
- g_warning("wsr88ddec exited with status %d", status);
+ 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...");
+ aweather_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, GRITS_OBJECT(site->level2));
+ site->level2 = NULL;
}
- _load_radar(udata->self, udata->radar_file);
- g_spawn_close_pid(pid);
- g_free(udata->radar_file);
- g_free(udata);
+
+ /* Fork loading right away so updating the
+ * list of times doesn't take too long */
+ g_thread_new("site-update-thread", _site_update_thread, site);
}
-static void _cache_chunk_cb(char *path, goffset cur, goffset total, gpointer _self)
+/* RadarSite methods */
+void radar_site_unload(RadarSite *site)
{
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- double percent = (double)cur/total;
+ 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);
+ if (site->idle_source)
+ g_source_remove(site->idle_source);
+ site->idle_source = 0;
+
+ /* Remove tab */
+ if (site->config)
+ gtk_widget_destroy(site->config);
+
+ /* Remove radar */
+ if (site->level2) {
+ grits_viewer_remove(site->viewer, GRITS_OBJECT(site->level2));
+ site->level2 = NULL;
+ }
- //g_debug("GisPluginRadar: cache_chunk_cb - %lld/%lld = %.2f%%",
- // cur, total, percent*100);
+ site->status = STATUS_UNLOADED;
+}
- gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(self->progress_bar), MIN(percent, 1.0));
+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);
+ if (gtk_notebook_get_current_page(GTK_NOTEBOOK(site->pconfig)) == 0)
+ gtk_notebook_set_current_page(GTK_NOTEBOOK(site->pconfig), -1);
+
+ /* 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);
+}
- gchar *msg = g_strdup_printf("Loading radar... %5.1f%% (%.2f/%.2f MB)",
- percent*100, (double)cur/1000000, (double)total/1000000);
- gtk_label_set_text(GTK_LABEL(self->progress_label), msg);
- g_free(msg);
+void _site_on_location_changed(GritsViewer *viewer,
+ gdouble lat, gdouble lon, gdouble elev,
+ gpointer _site)
+{
+ 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);
}
-static void _cache_done_cb(char *path, gboolean updated, gpointer _self)
+static gboolean on_marker_clicked(GritsObject *marker, GdkEvent *event, RadarSite *site)
{
- g_debug("GisPluginRadar: cache_done_cb - updated = %d", updated);
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- char *decompressed = g_strconcat(path, ".raw", NULL);
- if (!updated && g_file_test(decompressed, G_FILE_TEST_EXISTS)) {
- _load_radar(self, decompressed);
- return;
+ GritsViewer *viewer = site->viewer;
+ GritsPoint center = marker->center;
+ grits_viewer_set_location(viewer, center.lat, center.lon, EARTH_R/35);
+ grits_viewer_set_rotation(viewer, 0, 0, 0);
+ /* Recursivly set notebook tabs */
+ GtkWidget *widget, *parent;
+ for (widget = site->config; widget; widget = parent) {
+ parent = gtk_widget_get_parent(widget);
+ if (GTK_IS_NOTEBOOK(parent)) {
+ gint i = gtk_notebook_page_num(GTK_NOTEBOOK(parent), widget);
+ gtk_notebook_set_current_page(GTK_NOTEBOOK(parent), i);
+ }
}
+ return TRUE;
+}
- decompressed_t *udata = g_malloc(sizeof(decompressed_t));
- udata->self = self;
- udata->radar_file = decompressed;
- g_debug("GisPluginRadar: cache_done_cb - File updated, decompressing..");
- char *argv[] = {"wsr88ddec", path, decompressed, 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) {
- gchar *message = g_strdup_printf("Unable to decompress WSR88D data: %s",
- error->message);
- g_warning("%s", message);
- GtkWidget *child = gtk_bin_get_child(GTK_BIN(self->config_body));
- if (child)
- gtk_widget_destroy(child);
- gtk_container_add(GTK_CONTAINER(self->config_body), gtk_label_new(message));
- gtk_widget_show_all(self->config_body);
- g_error_free(error);
- g_free(message);
- }
- g_child_watch_add(pid, _decompressed_cb, udata);
- self->soup = NULL;
+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;
+ site->hidden = TRUE;
+
+ /* 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 */
+ site->marker = grits_marker_new(site->city->name);
+ GRITS_OBJECT(site->marker)->center = site->city->pos;
+ GRITS_OBJECT(site->marker)->lod = EARTH_R*0.75*site->city->lod;
+ grits_viewer_add(site->viewer, GRITS_OBJECT(site->marker),
+ GRITS_LEVEL_HUD, FALSE);
+ g_signal_connect(site->marker, "clicked",
+ G_CALLBACK(on_marker_clicked), site);
+ grits_object_set_cursor(GRITS_OBJECT(site->marker), GDK_HAND2);
+
+ /* Connect signals */
+ site->location_id = g_signal_connect(viewer, "location-changed",
+ G_CALLBACK(_site_on_location_changed), site);
+ return site;
}
-static void _set_radar(GisPluginRadar *self, const char *site, const char *time)
+void radar_site_free(RadarSite *site)
{
- if (!site || !time)
- return;
- g_debug("GisPluginRadar: set_radar - %s - %s", site, time);
-
- // format: http://mesonet.agron.iastate.edu/data/nexrd2/raw/KABR/KABR_20090510_0323
- char *path = g_strdup_printf("nexrd2/raw/%s/%s_%s", site, site, time);
-
- /* Set up progress bar */
- GtkWidget *child = gtk_bin_get_child(GTK_BIN(self->config_body));
- if (child) gtk_widget_destroy(child);
-
- 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);
-
- /* Clear radar */
- if (self->cur_radar)
- RSL_free_radar(self->cur_radar);
- self->cur_radar = NULL;
- self->cur_sweep = NULL;
- gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
-
- /* Start loading the new radar */
- if (self->soup) {
- soup_session_abort(self->soup);
- self->soup = NULL;
- }
- gchar *base = gis_prefs_get_string(self->prefs, "aweather/nexrad_url", NULL);
- if (gis_viewer_get_offline(self->viewer))
- self->soup = cache_file(base, path, GIS_NEVER,
- NULL, _cache_done_cb, self);
- else
- self->soup = cache_file(base, path, GIS_UPDATE,
- _cache_chunk_cb, _cache_done_cb, self);
- g_free(path);
+ radar_site_unload(site);
+ grits_viewer_remove(site->viewer, GRITS_OBJECT(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);
}
-/*************
- * Callbacks *
- *************/
-static void _on_sweep_clicked(GtkRadioButton *button, gpointer _self)
+/**************
+ * 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;
+ GMutex loading;
+
+ gchar *path;
+ GritsTile *tile[2];
+
+ guint time_id; // "time-changed" callback ID
+ guint refresh_id; // "refresh" callback ID
+ guint idle_source; // _conus_update_end idle source
+};
+
+void _conus_update_loading(gchar *file, goffset cur,
+ goffset total, gpointer _conus)
{
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- _load_colormap(self, g_object_get_data(G_OBJECT(button), "type" ));
- _load_sweep (self, g_object_get_data(G_OBJECT(button), "sweep"));
+ 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_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar), msg);
+ g_free(msg);
}
-static void _on_time_changed(GisViewer *viewer, const char *time, gpointer _self)
+/* Copy images to graphics memory */
+static void _conus_update_end_copy(GritsTile *tile, guchar *pixels)
{
- g_debug("GisPluginRadar: _on_time_changed");
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- g_free(self->cur_time);
- self->cur_time = g_strdup(time);
- _set_radar(self, self->cur_site, self->cur_time);
+ if (!tile->tex)
+ glGenTextures(1, &tile->tex);
+
+ gchar *clear = g_malloc0(2048*2048*4);
+ glBindTexture(GL_TEXTURE_2D, tile->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, clear);
+ 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_LINEAR);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glFlush();
+ g_free(clear);
}
-static void _on_location_changed(GisViewer *viewer,
- gdouble lat, gdouble lon, gdouble elev,
- gpointer _self)
+/* 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)
{
- 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)
- 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;
+ 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 * 0.75;
+ 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];
}
}
- 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);
- }
- last_city = min_city;
}
-static gpointer _draw_radar(GisCallback *callback, gpointer _self)
+gboolean _conus_update_end(gpointer _conus)
{
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
-
- /* Draw wsr88d */
- if (self->cur_sweep == NULL)
- return NULL;
- g_debug("GisPluginRadar: _draw_radar");
- Sweep *sweep = self->cur_sweep;
+ RadarConus *conus = _conus;
+ g_debug("Conus: update_end");
+
+ /* Check error status */
+ if (conus->message) {
+ g_warning("Conus: update_end - %s", conus->message);
+ aweather_bin_set_child(GTK_BIN(conus->config), gtk_label_new(conus->message));
+ goto out;
+ }
-#ifdef MARCHING
- /* Draw the surface */
- glMatrixMode(GL_MODELVIEW);
- glPushMatrix();
- glDisable(GL_TEXTURE_2D);
- float light_ambient[] = {0.1f, 0.1f, 0.0f};
- float light_diffuse[] = {0.9f, 0.9f, 0.9f};
- float light_position[] = {-300000.0f, 500000.0f, 400000.0f, 1.0f};
- glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
- glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
- glLightfv(GL_LIGHT0, GL_POSITION, light_position);
- glEnable(GL_LIGHT0);
- glEnable(GL_LIGHTING);
- glEnable(GL_COLOR_MATERIAL);
- glColor4f(1,1,1,0.75);
- g_debug("ntri=%d", self->cur_num_triangles);
- glBegin(GL_TRIANGLES);
- for (int i = 0; i < self->cur_num_triangles; i++) {
- TRIANGLE t = self->cur_triangles[i];
- do_normal(t.p[0].x, t.p[0].y, t.p[0].z,
- t.p[1].x, t.p[1].y, t.p[1].z,
- t.p[2].x, t.p[2].y, t.p[2].z);
- glVertex3f(t.p[0].x, t.p[0].y, t.p[0].z);
- glVertex3f(t.p[1].x, t.p[1].y, t.p[1].z);
- glVertex3f(t.p[2].x, t.p[2].y, t.p[2].z);
+ /* 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);
+ aweather_bin_set_child(GTK_BIN(conus->config), gtk_label_new("Error loading pixbuf"));
+ g_remove(conus->path);
+ goto out;
}
- glEnd();
- glPopMatrix();
-#endif
- g_debug("GisPluginRadar: _draw_radar - setting camera");
- Radar_header *h = &self->cur_radar->h;
- gdouble lat = (double)h->latd + (double)h->latm/60 + (double)h->lats/(60*60);
- gdouble lon = (double)h->lond + (double)h->lonm/60 + (double)h->lons/(60*60);
- gdouble elev = h->height;
- gis_viewer_center_position(self->viewer, lat, lon, elev);
+ /* 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);
+ aweather_bin_set_child(GTK_BIN(conus->config), gtk_label_new(label));
+ grits_viewer_queue_draw(conus->viewer);
+ g_free(label);
+
+out:
+ conus->idle_source = 0;
+ g_free(conus->path);
+ g_mutex_unlock(&conus->loading);
+ return FALSE;
+}
- glDisable(GL_ALPHA_TEST);
- glDisable(GL_CULL_FACE);
- glDisable(GL_LIGHTING);
- glEnable(GL_TEXTURE_2D);
- glEnable(GL_POLYGON_OFFSET_FILL);
- glPolygonOffset(1.0, -2.0);
- glColor4f(1,1,1,1);
-
- /* Draw the rays */
- glBindTexture(GL_TEXTURE_2D, self->cur_sweep_tex);
- g_message("Tex = %d", self->cur_sweep_tex);
- glBegin(GL_TRIANGLE_STRIP);
- 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 = deg2rad(ray->h.azimuth - ((double)ray->h.beam_width/2.));
- } else {
- /* Do the right side of the last sweep */
- ray = sweep->ray[ri-1];
- angle = deg2rad(ray->h.azimuth + ((double)ray->h.beam_width/2.));
+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 */
+ /* gmtime is not thread safe, but it's not used very often so
+ * hopefully it'll be alright for now... :-( */
+ struct tm *tm = gmtime(&conus->time);
+ time_t onthe8 = conus->time - 60*((tm->tm_min+1)%10+1);
+ tm = gmtime(&onthe8);
+ 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);
+ g_list_foreach(files, (GFunc)g_free, NULL);
+ g_list_free(files);
+ if (!nearest) {
+ conus->message = "No suitable files";
+ goto out;
}
+ }
- double lx = sin(angle);
- double ly = cos(angle);
+ /* 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;
+ }
- double near_dist = ray->h.range_bin1;
- double far_dist = ray->h.nbins*ray->h.gate_size + ray->h.range_bin1;
+out:
+ g_debug("Conus: update_thread - done");
+ if (!conus->idle_source)
+ conus->idle_source = g_idle_add(_conus_update_end, conus);
+ return NULL;
+}
- /* (find middle of bin) / scale for opengl */
- // near left
- glTexCoord2f(0.0, (double)ri/sweep->h.nrays-0.01);
- glVertex3f(lx*near_dist, ly*near_dist, 2.0);
+void _conus_update(RadarConus *conus)
+{
+ if (!g_mutex_trylock(&conus->loading))
+ return;
+ conus->time = grits_viewer_get_time(conus->viewer);
+ g_debug("Conus: update - %d",
+ (gint)conus->time);
- // far left
- // todo: correct range-height function
- double height = sin(deg2rad(ray->h.elev)) * far_dist;
- glTexCoord2f(1.0, (double)ri/sweep->h.nrays-0.01);
- glVertex3f(lx*far_dist, ly*far_dist, height);
- }
- glEnd();
- //g_print("ri=%d, nr=%d, bw=%f\n", _ri, sweep->h.nrays, sweep->h.beam_width);
+ /* Add a progress bar */
+ GtkWidget *progress = gtk_progress_bar_new();
+ gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), "Loading...");
+ aweather_bin_set_child(GTK_BIN(conus->config), progress);
- /* Texture debug */
- //glBegin(GL_QUADS);
- //glTexCoord2d( 0., 0.); glVertex3f(-500., 0., 0.); // bot left
- //glTexCoord2d( 0., 1.); glVertex3f(-500., 500., 0.); // top left
- //glTexCoord2d( 1., 1.); glVertex3f( 0., 500., 3.); // top right
- //glTexCoord2d( 1., 0.); glVertex3f( 0., 0., 3.); // bot right
- //glEnd();
+ g_thread_new("conus-update-thread", _conus_update_thread, conus);
+}
- return NULL;
+RadarConus *radar_conus_new(GtkWidget *pconfig,
+ GritsViewer *viewer, GritsHttp *http)
+{
+ 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_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+2, FALSE);
+ grits_viewer_add(viewer, GRITS_OBJECT(conus->tile[1]), GRITS_LEVEL_WORLD+2, FALSE);
+
+ 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 gpointer _draw_hud(GisCallback *callback, gpointer _self)
+void radar_conus_free(RadarConus *conus)
{
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- if (self->cur_sweep == NULL)
- return NULL;
- g_debug("GisPluginRadar: _draw_hud");
+ g_signal_handler_disconnect(conus->viewer, conus->time_id);
+ g_signal_handler_disconnect(conus->viewer, conus->refresh_id);
+ if (conus->idle_source)
+ g_source_remove(conus->idle_source);
+
+ for (int i = 0; i < 2; i++) {
+ GritsTile *tile = conus->tile[i];
+ grits_viewer_remove(conus->viewer, GRITS_OBJECT(tile));
+ g_object_unref(tile);
+ }
- /* Print the color table */
+ g_object_unref(conus->viewer);
+ g_free(conus);
+}
+
+
+/********************
+ * GritsPluginRadar *
+ ********************/
+static void _draw_hud(GritsCallback *callback, GritsOpenGL *opengl, gpointer _self)
+{
+ g_debug("GritsPluginRadar: _draw_hud");
+ /* Setup OpenGL */
glMatrixMode(GL_MODELVIEW ); glLoadIdentity();
glMatrixMode(GL_PROJECTION); glLoadIdentity();
glDisable(GL_TEXTURE_2D);
glDisable(GL_CULL_FACE);
glDisable(GL_LIGHTING);
glEnable(GL_COLOR_MATERIAL);
- glBegin(GL_QUADS);
- int i;
- for (i = 0; i < 256; i++) {
- glColor4ubv(self->cur_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
+
+ 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;
+ 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();
}
- glEnd();
+}
- return NULL;
+static void _load_colormap(gchar *filename, AWeatherColormap *cm)
+{
+ g_debug("GritsPluginRadar: _load_colormap - %s", filename);
+ FILE *file = fopen(filename, "r");
+ if (!file)
+ g_error("GritsPluginRadar: open failed");
+ guint8 color[4];
+ GArray *array = g_array_sized_new(FALSE, TRUE, sizeof(color), 256);
+ if (!fgets(cm->name, sizeof(cm->name), file)) goto out;
+ if (!fscanf(file, "%f\n", &cm->scale)) goto out;
+ if (!fscanf(file, "%f\n", &cm->shift)) goto out;
+ 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);
+ }
+ cm->len = (gint )array->len;
+ cm->data = (void*)array->data;
+out:
+ g_array_free(array, FALSE);
+ fclose(file);
}
+static void _update_hidden(GtkNotebook *notebook,
+ gpointer _, 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");
+ }
+ }
+ grits_viewer_queue_draw(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);
- 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);
+ g_debug("GritsPluginRadar: new");
+ GritsPluginRadar *self = g_object_new(GRITS_TYPE_PLUGIN_RADAR, NULL);
+ self->viewer = g_object_ref(viewer);
+ self->prefs = g_object_ref(prefs);
+
+ /* 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);
}
- /* Add renderers */
- GisCallback *radar_cb = gis_callback_new(_draw_radar, self);
- GisCallback *hud_cb = gis_callback_new(_draw_hud, self);
-
- gis_viewer_add(viewer, GIS_OBJECT(radar_cb), GIS_LEVEL_WORLD, TRUE);
- 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->soup = NULL;
- self->cur_triangles = NULL;
- self->cur_num_triangles = 0;
+ 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 = g_object_ref(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);
+ }
- self->config_body = gtk_alignment_new(0, 0, 1, 1);
- 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"));
+ /* 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);
+ if (self->viewer) {
+ GritsViewer *viewer = self->viewer;
+ self->viewer = NULL;
+ g_signal_handler_disconnect(self->config, self->tab_id);
+ grits_viewer_remove(viewer, GRITS_OBJECT(self->hud));
+ radar_conus_free(self->conus);
+ g_hash_table_destroy(self->sites);
+ g_object_unref(self->config);
+ g_object_unref(self->hud);
+ g_object_unref(self->prefs);
+ g_object_unref(viewer);
+ }
/* 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 */
- G_OBJECT_CLASS(gis_plugin_radar_parent_class)->finalize(gobject);
+ grits_http_free(self->conus_http);
+ grits_http_free(self->sites_http);
+ 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;
}
-
projects / aweather / blobdiff