+++ /dev/null
-/*
- * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
- *
- * 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 <gtk/gtk.h>
-#include <gtk/gtkgl.h>
-#include <gio/gio.h>
-#include <GL/gl.h>
-#include <math.h>
-#include <rsl.h>
-
-#include "misc.h"
-#include "aweather-gui.h"
-#include "plugin-radar.h"
-#include "data.h"
-#include "marching.h"
-
-static char *nexrad_base = "http://mesonet.agron.iastate.edu/data/";
-
-/****************
- * GObject code *
- ****************/
-/* Plugin init */
-static void aweather_radar_plugin_init(AWeatherPluginInterface *iface);
-static void _aweather_radar_expose(AWeatherPlugin *_radar);
-G_DEFINE_TYPE_WITH_CODE(AWeatherRadar, aweather_radar, G_TYPE_OBJECT,
- G_IMPLEMENT_INTERFACE(AWEATHER_TYPE_PLUGIN,
- aweather_radar_plugin_init));
-static void aweather_radar_plugin_init(AWeatherPluginInterface *iface)
-{
- g_debug("AWeatherRadar: plugin_init");
- /* Add methods to the interface */
- iface->expose = _aweather_radar_expose;
-}
-/* Class/Object init */
-static void aweather_radar_init(AWeatherRadar *radar)
-{
- g_debug("AWeatherRadar: class_init");
- /* Set defaults */
- radar->gui = NULL;
- radar->soup = NULL;
- radar->cur_triangles = NULL;
- radar->cur_num_triangles = 0;
-}
-static void aweather_radar_dispose(GObject *gobject)
-{
- g_debug("AWeatherRadar: dispose");
- AWeatherRadar *self = AWEATHER_RADAR(gobject);
- /* Drop references */
- G_OBJECT_CLASS(aweather_radar_parent_class)->dispose(gobject);
-}
-static void aweather_radar_finalize(GObject *gobject)
-{
- g_debug("AWeatherRadar: finalize");
- AWeatherRadar *self = AWEATHER_RADAR(gobject);
- /* Free data */
- G_OBJECT_CLASS(aweather_radar_parent_class)->finalize(gobject);
-
-}
-static void aweather_radar_class_init(AWeatherRadarClass *klass)
-{
- g_debug("AWeatherRadar: class_init");
- GObjectClass *gobject_class = (GObjectClass*)klass;
- gobject_class->dispose = aweather_radar_dispose;
- gobject_class->finalize = aweather_radar_finalize;
-}
-
-/**************************
- * Data loading functions *
- **************************/
-/* Convert a sweep to an 2d array of data points */
-static void bscan_sweep(AWeatherRadar *self, Sweep *sweep, colormap_t *colormap,
- guint8 **data, int *width, int *height)
-{
- /* 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
- }
- }
- }
-
- /* set output */
- *width = max_bins;
- *height = sweep->h.nrays;
- *data = buf;
-}
-
-/* Load a sweep as the active texture */
-static void load_sweep(AWeatherRadar *self, Sweep *sweep)
-{
- GisOpenGL *opengl = aweather_gui_get_opengl(self->gui);
- 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);
-}
-
-static void load_colormap(AWeatherRadar *self, gchar *table)
-{
- /* 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];
-}
-
-/* Add selectors to the config area for the sweeps */
-static void on_sweep_clicked(GtkRadioButton *button, gpointer _self);
-static void load_radar_gui(AWeatherRadar *self, Radar *radar)
-{
- /* 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, 70, -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);
- }
- }
- gtk_container_add(GTK_CONTAINER(self->config_body), table);
- gtk_widget_show_all(table);
-}
-
-static void _aweather_radar_grid_set(GRIDCELL *grid, int gi, Ray *ray, int bi)
-{
- Range range = ray->range[bi];
-
- double angle = d2r(ray->h.azimuth);
- double tilt = d2r(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(AWeatherRadar *self, gchar *radar_file)
-{
- char *dir = g_path_get_dirname(radar_file);
- char *site = g_path_get_basename(dir);
- g_free(dir);
- g_debug("AWeatherRadar: 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_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("_aweather_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("_aweather_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 = {};
- _aweather_radar_grid_set(&grid, 7, rays0[(ri )%sweep0->h.nrays], bi+x);
- _aweather_radar_grid_set(&grid, 6, rays0[(ri+x)%sweep0->h.nrays], bi+x);
- _aweather_radar_grid_set(&grid, 5, rays0[(ri+x)%sweep0->h.nrays], bi );
- _aweather_radar_grid_set(&grid, 4, rays0[(ri )%sweep0->h.nrays], bi );
- _aweather_radar_grid_set(&grid, 3, rays1[(ri )%sweep0->h.nrays], bi+x);
- _aweather_radar_grid_set(&grid, 2, rays1[(ri+x)%sweep0->h.nrays], bi+x);
- _aweather_radar_grid_set(&grid, 1, rays1[(ri+x)%sweep0->h.nrays], bi );
- _aweather_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)
- }
-#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_radar_gui(self, radar);
-}
-
-/* TODO: These update times functions are getting ugly... */
-static void update_times_gtk(AWeatherRadar *self, GList *times)
-{
- gchar *last_time = NULL;
- GRegex *regex = g_regex_new("^[A-Z]{4}_([0-9]{8}_[0-9]{4})$", 0, 0, NULL); // KLSX_20090622_2113
- GMatchInfo *info;
-
- GtkTreeView *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self->gui, "time"));
- GtkListStore *lstore = GTK_LIST_STORE(gtk_tree_view_get_model(tview));
- gtk_list_store_clear(lstore);
- GtkTreeIter iter;
- times = g_list_reverse(times);
- for (GList *cur = times; cur; cur = cur->next) {
- g_message("trying time %s", (gchar*)cur->data);
- if (g_regex_match(regex, cur->data, 0, &info)) {
- gchar *time = g_match_info_fetch(info, 1);
- g_message("adding time %s", (gchar*)cur->data);
- gtk_list_store_insert(lstore, &iter, 0);
- gtk_list_store_set(lstore, &iter, 0, time, -1);
- last_time = time;
- }
- }
-
- GisView *view = aweather_gui_get_view(self->gui);
- gis_view_set_time(view, last_time);
-
- g_regex_unref(regex);
- g_list_foreach(times, (GFunc)g_free, NULL);
- g_list_free(times);
-}
-static void update_times_online_cb(char *path, gboolean updated, gpointer _self)
-{
- GList *times = NULL;
- gchar *data;
- gsize length;
- g_file_get_contents(path, &data, &length, NULL);
- gchar **lines = g_strsplit(data, "\n", -1);
- for (int i = 0; lines[i] && lines[i][0]; i++) {
- char **parts = g_strsplit(lines[i], " ", 2);
- times = g_list_prepend(times, g_strdup(parts[1]));
- g_strfreev(parts);
- }
- g_strfreev(lines);
- g_free(data);
-
- update_times_gtk(_self, times);
-}
-static void update_times(AWeatherRadar *self, GisView *view, char *site)
-{
- GisWorld *world = aweather_gui_get_world(self->gui);
- if (gis_world_get_offline(world)) {
- GList *times = NULL;
- gchar *path = g_build_filename(g_get_user_cache_dir(), PACKAGE, "nexrd2", "raw", site, NULL);
- GDir *dir = g_dir_open(path, 0, NULL);
- if (dir) {
- const gchar *name;
- while ((name = g_dir_read_name(dir))) {
- times = g_list_prepend(times, g_strdup(name));
- }
- g_dir_close(dir);
- }
- g_free(path);
- update_times_gtk(self, times);
- } else {
- gchar *path = g_strdup_printf("nexrd2/raw/%s/dir.list", site);
- cache_file(nexrad_base, path, AWEATHER_REFRESH, NULL, update_times_online_cb, self);
- /* update_times_gtk from update_times_online_cb */
- }
-}
-
-/*****************
- * ASync helpers *
- *****************/
-typedef struct {
- AWeatherRadar *self;
- gchar *radar_file;
-} decompressed_t;
-
-static void decompressed_cb(GPid pid, gint status, gpointer _udata)
-{
- 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)
-{
- AWeatherRadar *self = AWEATHER_RADAR(_self);
- double percent = (double)cur/total;
-
- g_message("AWeatherRadar: 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);
-}
-
-static void cache_done_cb(char *path, gboolean updated, gpointer _self)
-{
- AWeatherRadar *self = AWEATHER_RADAR(_self);
- char *decompressed = g_strconcat(path, ".raw", NULL);
- if (!updated) {
- load_radar(self, decompressed);
- return;
- }
-
- decompressed_t *udata = g_malloc(sizeof(decompressed_t));
- udata->self = self;
- udata->radar_file = decompressed;
- g_debug("AWeatherRadar: 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) {
- g_warning("failed to decompress WSR88D data: %s",
- error->message);
- g_error_free(error);
- }
- g_child_watch_add(pid, decompressed_cb, udata);
- self->soup = NULL;
-}
-
-/*************
- * Callbacks *
- *************/
-static void on_sweep_clicked(GtkRadioButton *button, gpointer _self)
-{
- AWeatherRadar *self = AWEATHER_RADAR(_self);
- load_colormap(self, g_object_get_data(G_OBJECT(button), "type" ));
- load_sweep (self, g_object_get_data(G_OBJECT(button), "sweep"));
-}
-
-static void on_time_changed(GisView *view, const char *time, gpointer _self)
-{
- AWeatherRadar *self = AWEATHER_RADAR(_self);
- g_debug("AWeatherRadar: 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);
-
- /* Clear radar */
- if (self->cur_radar)
- RSL_free_radar(self->cur_radar);
- self->cur_radar = NULL;
- self->cur_sweep = NULL;
- gis_opengl_redraw(aweather_gui_get_opengl(self->gui));
-
- /* Start loading the new radar */
- if (self->soup) {
- soup_session_abort(self->soup);
- self->soup = NULL;
- }
- if (gis_world_get_offline(aweather_gui_get_world(self->gui)))
- self->soup = cache_file(nexrad_base, path, AWEATHER_ONCE,
- cache_chunk_cb, cache_done_cb, self);
- else
- self->soup = cache_file(nexrad_base, path, AWEATHER_UPDATE,
- cache_chunk_cb, cache_done_cb, self);
- g_free(path);
-}
-
-static void on_site_changed(GisView *view, char *site, gpointer _self)
-{
- AWeatherRadar *self = AWEATHER_RADAR(_self);
- g_debug("AWeatherRadar: on_site_changed - Loading wsr88d list for %s", site);
- update_times(self, view, site);
-}
-
-static void on_refresh(GisWorld *world, gpointer _self)
-{
- AWeatherRadar *self = AWEATHER_RADAR(_self);
- GisView *view = aweather_gui_get_view(AWEATHER_RADAR(_self)->gui);
- char *site = gis_view_get_site(view);
- update_times(self, view, site);
-}
-
-/***********
- * Methods *
- ***********/
-AWeatherRadar *aweather_radar_new(AWeatherGui *gui)
-{
- g_debug("AWeatherRadar: new");
- AWeatherRadar *self = g_object_new(AWEATHER_TYPE_RADAR, NULL);
- self->gui = gui;
-
- GtkWidget *config = aweather_gui_get_widget(gui, "tabs");
-
- /* Add configuration tab */
- 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"));
- gtk_notebook_prepend_page(GTK_NOTEBOOK(config), self->config_body, gtk_label_new("Radar"));
-
- /* Set up OpenGL Stuff */
- GisView *view = aweather_gui_get_view(gui);
- GisWorld *world = aweather_gui_get_world(gui);
- g_signal_connect(view, "site-changed", G_CALLBACK(on_site_changed), self);
- g_signal_connect(view, "time-changed", G_CALLBACK(on_time_changed), self);
- g_signal_connect(world, "refresh", G_CALLBACK(on_refresh), self);
-
- return self;
-}
-
-static void _aweather_radar_expose(AWeatherPlugin *_self)
-{
- AWeatherRadar *self = AWEATHER_RADAR(_self);
- g_debug("AWeatherRadar: 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
-
- /* Draw the rays */
- glDisable(GL_LIGHTING);
- glDisable(GL_COLOR_MATERIAL);
- glMatrixMode(GL_MODELVIEW);
- glPushMatrix();
- glBindTexture(GL_TEXTURE_2D, self->cur_sweep_tex);
- glEnable(GL_TEXTURE_2D);
- glDisable(GL_ALPHA_TEST);
- glColor4f(1,1,1,1);
- 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 = d2r(ray->h.azimuth - ((double)ray->h.beam_width/2.));
- } else {
- /* Do the right side of the last sweep */
- ray = sweep->ray[ri-1];
- angle = d2r(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(d2r(ray->h.elev)) * far_dist;
- glTexCoord2f(1.0, (double)ri/sweep->h.nrays-0.01);
- glVertex3f(lx*far_dist, ly*far_dist, height);
- }
- //g_print("ri=%d, nr=%d, bw=%f\n", _ri, sweep->h.nrays, sweep->h.beam_width);
- glEnd();
- glPopMatrix();
-
- /* 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 */
- glDisable(GL_TEXTURE_2D);
- glDisable(GL_DEPTH_TEST);
- glMatrixMode(GL_MODELVIEW ); glPushMatrix(); glLoadIdentity();
- glMatrixMode(GL_PROJECTION); glPushMatrix(); glLoadIdentity();
- glBegin(GL_QUADS);
- int i;
- for (i = 0; i < 256; i++) {
- glColor4ub(self->cur_colormap->data[i][0],
- self->cur_colormap->data[i][1],
- self->cur_colormap->data[i][2],
- self->cur_colormap->data[i][3]);
- 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();
- glEnable(GL_DEPTH_TEST);
- glEnable(GL_ALPHA_TEST);
- glMatrixMode(GL_PROJECTION); glPopMatrix();
- glMatrixMode(GL_MODELVIEW ); glPopMatrix();
-}
projects / grits / blobdiff