/*
- * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
- *
+ * Copyright (C) 2009-2010 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
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
+#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include <gtk/gtkgl.h>
#include <gio/gio.h>
#include <math.h>
#include <rsl.h>
-#include <gis/gis.h>
+#include <gis.h>
#include "radar.h"
-#include "marching.h"
+#include "level2.h"
+#include "../aweather-location.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)
+/* Drawing functions */
+static void _draw_hud(GisCallback *callback, gpointer _self)
{
- /* 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]; // TESTING
- if (val == BADVAL || val == RFVAL || val == APFLAG ||
- val == NOTFOUND_H || val == NOTFOUND_V || val == NOECHO) {
- buf[buf_i+3] = 0x00; // transparent
- }
- }
+ GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
+ if (!self->colormap)
+ return;
+
+ 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
}
+ glEnd();
+}
- /* set output */
- *width = max_bins;
- *height = sweep->h.nrays;
- *data = buf;
+
+/***************
+ * GUI loading *
+ ***************/
+/* Clear the config area */
+static void _load_gui_clear(GisPluginRadar *self)
+{
+ GtkWidget *child = gtk_bin_get_child(GTK_BIN(self->config_body));
+ if (child)
+ gtk_widget_destroy(child);
}
-/* Load a sweep as the active texture */
-static void load_sweep(GisPluginRadar *self, Sweep *sweep)
+/* Setup a loading screen in the tab */
+static void _load_gui_pre(GisPluginRadar *self)
{
- GisOpenGL *opengl = self->opengl;
- gis_opengl_begin(opengl);
- 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);
- gis_opengl_redraw(opengl);
- gis_opengl_end(opengl);
+ 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);
}
-static void load_colormap(GisPluginRadar *self, gchar *table)
+/* Update pogress bar of loading screen */
+static void _load_gui_update(char *path, goffset cur, goffset total, gpointer _self)
{
- /* 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];
+ GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
+ double percent = (double)cur/total;
+
+ //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));
+
+ 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);
}
-/* 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)
+/* Update pogress bar of loading screen */
+static void _load_gui_error(GisPluginRadar *self, gchar *error)
{
+ 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);
+}
+
+/* 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)
+{
+ Radar *radar = level2->radar;
+ g_debug("GisPluginRadar: _load_gui_success - %p", radar);
/* Clear existing items */
- GtkWidget *child = gtk_bin_get_child(GTK_BIN(self->config_body));
- if (child)
- gtk_widget_destroy(child);
+ _load_gui_clear(self);
gdouble elev;
guint rows = 1, cols = 1, cur_cols;
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);
+ 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);
}
}
gtk_container_add(GTK_CONTAINER(self->config_body), table);
gtk_widget_show_all(table);
}
-static void _gis_plugin_radar_grid_set(GRIDCELL *grid, int gi, Ray *ray, int bi)
+static gchar *_download_radar(GisPluginRadar *self, const gchar *site, const gchar *time)
{
- 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);
+ 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;
}
-/* Load a radar from a decompressed file */
-static void load_radar(GisPluginRadar *self, gchar *radar_file)
+struct SetRadarData {
+ GisPluginRadar *self;
+ gchar *site;
+ gchar *time;
+};
+static gpointer _set_radar_cb(gpointer _data)
{
- 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;
+ 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;
}
- 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("_gis_plugin_radar_expose: 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("_gis_plugin_radar_expose: 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)
+ gchar *file = _download_radar(self, data->site, data->time);
+ if (!file) {
+ _load_gui_error(self, "Download 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;
- }
+ 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);
+ goto out;
}
-
- load_radar_gui(self, radar);
-}
-
-
-/*****************
- * ASync helpers *
- *****************/
-typedef struct {
- GisPluginRadar *self;
- gchar *radar_file;
-} decompressed_t;
-
-static void decompressed_cb(GPid pid, gint status, gpointer _udata)
-{
- g_debug("GisPluginRadar: decompressed_cb");
- decompressed_t *udata = _udata;
- if (status != 0) {
- g_warning("wsr88ddec exited with status %d", status);
- return;
- }
- load_radar(udata->self, udata->radar_file);
- g_spawn_close_pid(pid);
- g_free(udata->radar_file);
- g_free(udata);
-}
-
-static void cache_chunk_cb(char *path, goffset cur, goffset total, gpointer _self)
-{
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- double percent = (double)cur/total;
-
- //g_message("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));
-
- 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);
+ 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);
+ return NULL;
}
-
-static void cache_done_cb(char *path, gboolean updated, gpointer _self)
+static void _set_radar(GisPluginRadar *self, const gchar *site, const gchar *time)
{
- 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);
+ if (!site || !time)
return;
- }
-
- 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;
+ 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);
}
-
/*************
* Callbacks *
*************/
-static void on_sweep_clicked(GtkRadioButton *button, gpointer _self)
+static void _on_sweep_clicked(GtkRadioButton *button, gpointer _self)
{
- 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"));
+ 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;
}
-static void on_time_changed(GisView *view, const char *time, gpointer _self)
+static void _on_time_changed(GisViewer *viewer, const char *time, gpointer _self)
{
+ g_debug("GisPluginRadar: _on_time_changed");
GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- g_debug("GisPluginRadar: on_time_changed - setting time=%s", time);
- // format: http://mesonet.agron.iastate.edu/data/nexrd2/raw/KABR/KABR_20090510_0323
- char *site = gis_view_get_site(view);
- 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);
+ self->cur_time = g_strdup(time);
+ _set_radar(self, self->cur_site, self->cur_time);
+}
- /* Clear radar */
- if (self->cur_radar)
- RSL_free_radar(self->cur_radar);
- self->cur_radar = NULL;
- self->cur_sweep = NULL;
- gis_opengl_redraw(self->opengl);
-
- /* Start loading the new radar */
- if (self->soup) {
- soup_session_abort(self->soup);
- self->soup = NULL;
+static void _on_location_changed(GisViewer *viewer,
+ gdouble lat, gdouble lon, gdouble elev,
+ 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)
+ continue;
+ gdouble city_loc[3] = {};
+ gdouble eye_loc[3] = {lat, lon, elev};
+ lle2xyz(city->pos.lat, city->pos.lon, city->pos.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;
+ }
+ }
+ 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);
}
- gchar *base = gis_prefs_get_string(self->prefs, "aweather/nexrad_url", NULL);
- if (gis_world_get_offline(self->world))
- self->soup = cache_file(base, path, GIS_ONCE,
- cache_chunk_cb, cache_done_cb, self);
- else
- self->soup = cache_file(base, path, GIS_UPDATE,
- cache_chunk_cb, cache_done_cb, self);
- g_free(path);
+ last_city = min_city;
}
/***********
* Methods *
***********/
-GisPluginRadar *gis_plugin_radar_new(GisWorld *world, GisView *view, GisOpenGL *opengl, GisPrefs *prefs)
+GisPluginRadar *gis_plugin_radar_new(GisViewer *viewer, GisPrefs *prefs)
{
/* TODO: move to constructor if possible */
g_debug("GisPluginRadar: new");
GisPluginRadar *self = g_object_new(GIS_TYPE_PLUGIN_RADAR, NULL);
- self->world = world;
- self->view = view;
- self->opengl = opengl;
+ self->viewer = viewer;
self->prefs = prefs;
- self->time_changed_id = g_signal_connect(view, "time-changed",
- G_CALLBACK(on_time_changed), self);
+ 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);
+
+ 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_OBJECT(marker)->center = city->pos;
+ GIS_OBJECT(marker)->lod = EARTH_R*city->lod;
+ gis_viewer_add(self->viewer, GIS_OBJECT(marker), GIS_LEVEL_OVERLAY, FALSE);
+ }
+
+ GisCallback *hud_cb = gis_callback_new(_draw_hud, self);
+ gis_viewer_add(viewer, GIS_OBJECT(hud_cb), GIS_LEVEL_HUD, FALSE);
+
return self;
}
return self->config_body;
}
-static void gis_plugin_radar_expose(GisPlugin *_self)
-{
- GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
- g_debug("GisPluginRadar: expose");
- if (self->cur_sweep == NULL)
- return;
- Sweep *sweep = self->cur_sweep;
-
-#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);
- }
- glEnd();
- glPopMatrix();
-#endif
-
- g_message("set 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_opengl_center_position(self->opengl, lat, lon, elev);
-
- glDisable(GL_ALPHA_TEST);
- glDisable(GL_CULL_FACE);
- glDisable(GL_DEPTH_TEST);
- glDisable(GL_LIGHTING);
- glEnable(GL_TEXTURE_2D);
- glColor4f(1,1,1,1);
-
- /* Draw the rays */
- glBindTexture(GL_TEXTURE_2D, self->cur_sweep_tex);
- glBegin(GL_QUAD_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.));
- }
-
- double lx = sin(angle);
- double ly = cos(angle);
-
- double near_dist = ray->h.range_bin1;
- double far_dist = ray->h.nbins*ray->h.gate_size + ray->h.range_bin1;
-
- /* (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);
-
- // 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);
-
- /* 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();
-
- /* Print the color table */
- glMatrixMode(GL_MODELVIEW ); glLoadIdentity();
- glMatrixMode(GL_PROJECTION); glLoadIdentity();
- glDisable(GL_TEXTURE_2D);
- 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
- }
- glEnd();
-}
-
/****************
* GObject code *
{
g_debug("GisPluginRadar: plugin_init");
/* Add methods to the interface */
- iface->expose = gis_plugin_radar_expose;
iface->get_config = gis_plugin_radar_get_config;
}
/* Class/Object init */
{
g_debug("GisPluginRadar: class_init");
/* Set defaults */
- self->soup = NULL;
- self->cur_triangles = NULL;
- self->cur_num_triangles = 0;
-
+ 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"));
}
{
g_debug("GisPluginRadar: dispose");
GisPluginRadar *self = GIS_PLUGIN_RADAR(gobject);
- g_signal_handler_disconnect(self->view, self->time_changed_id);
+ g_signal_handler_disconnect(self->viewer, self->time_changed_id);
/* Drop references */
G_OBJECT_CLASS(gis_plugin_radar_parent_class)->dispose(gobject);
}
g_debug("GisPluginRadar: finalize");
GisPluginRadar *self = GIS_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);
}