/*
- * 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 <math.h>
#include <rsl.h>
-#include <gis/gis.h>
+#include <gis.h>
#include "radar.h"
#include "marching.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,
+static void _bscan_sweep(GisPluginRadar *self, Sweep *sweep, colormap_t *colormap,
guint8 **data, int *width, int *height)
{
/* Calculate max number of bins */
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
+ 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
}
/* Load a sweep as the active texture */
-static void load_sweep(GisPluginRadar *self, Sweep *sweep)
+static void _load_sweep(GisPluginRadar *self, Sweep *sweep)
{
- GisOpenGL *opengl = self->opengl;
- gis_opengl_begin(opengl);
+ 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);
+ _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);
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);
+ gtk_widget_queue_draw(GTK_WIDGET(viewer));
+ gis_viewer_end(viewer);
}
-static void load_colormap(GisPluginRadar *self, gchar *table)
+static void _load_colormap(GisPluginRadar *self, gchar *table)
{
/* Set colormap so we can draw it on expose */
for (int i = 0; colormaps[i].name; i++)
}
/* 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)
+static void _on_sweep_clicked(GtkRadioButton *button, gpointer _self);
+static void _load_radar_gui(GisPluginRadar *self, Radar *radar)
{
/* Clear existing items */
GtkWidget *child = gtk_bin_get_child(GTK_BIN(self->config_body));
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_signal_connect(button, "clicked", G_CALLBACK(_on_sweep_clicked), self);
}
}
gtk_container_add(GTK_CONTAINER(self->config_body), table);
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;
val > 80)
val = 0;
grid->val[gi] = (float)val;
- //g_debug("(%.2f,%.2f,%.2f) - (%.0f,%.0f,%.0f) = %d",
+ //g_debug("(%.2f,%.2f,%.2f) - (%.0f,%.0f,%.0f) = %d",
// angle, tilt, dist,
// grid->p[gi].x,
// grid->p[gi].y,
}
/* Load a radar from a decompressed file */
-static void load_radar(GisPluginRadar *self, gchar *radar_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);
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",
+ //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 */
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",
+ //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,
+ // 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) {
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]);
+ _load_colormap(self, radar->v[vi]->h.type_str);
+ _load_sweep(self, radar->v[vi]->sweep[si]);
break;
}
break;
}
}
- load_radar_gui(self, radar);
+ _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)
+static void _decompressed_cb(GPid pid, gint status, gpointer _udata)
{
g_debug("GisPluginRadar: decompressed_cb");
decompressed_t *udata = _udata;
g_warning("wsr88ddec exited with status %d", status);
return;
}
- load_radar(udata->self, udata->radar_file);
+ _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)
+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%%",
+ //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));
g_free(msg);
}
-static void cache_done_cb(char *path, gboolean updated, gpointer _self)
+static void _cache_done_cb(char *path, gboolean updated, gpointer _self)
{
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);
+ _load_radar(self, decompressed);
return;
}
argv, // gchar **argv,
NULL, // gchar **envp,
G_SPAWN_SEARCH_PATH|
- G_SPAWN_DO_NOT_REAP_CHILD,
+ 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",
+ 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;
-}
-
-
-/*************
- * Callbacks *
- *************/
-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"));
+ g_child_watch_add(pid, _decompressed_cb, udata);
}
-static void on_time_changed(GisView *view, const char *time, gpointer _self)
+static void _set_radar(GisPluginRadar *self, const char *site, const char *time)
{
- 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);
+ if (!site || !time)
+ return;
+ g_debug("GisPluginRadar: set_radar - %s - %s", site, time);
/* Set up progress bar */
GtkWidget *child = gtk_bin_get_child(GTK_BIN(self->config_body));
RSL_free_radar(self->cur_radar);
self->cur_radar = NULL;
self->cur_sweep = NULL;
- gis_opengl_redraw(self->opengl);
+ gtk_widget_queue_draw(GTK_WIDGET(self->viewer));
/* Start loading the new radar */
- if (self->soup) {
- soup_session_abort(self->soup);
- self->soup = NULL;
+ soup_session_abort(self->http->soup);
+ /* 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 *path = gis_http_fetch(self->http, uri, local, mode, _cache_chunk_cb, self);
+ if (path) {
+ _cache_done_cb(path, TRUE, self);
+ g_free(path);
}
- 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);
}
-/***********
- * Methods *
- ***********/
-GisPluginRadar *gis_plugin_radar_new(GisWorld *world, GisView *view, GisOpenGL *opengl, GisPrefs *prefs)
+/*************
+ * Callbacks *
+ *************/
+static void _on_sweep_clicked(GtkRadioButton *button, gpointer _self)
{
- /* 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->prefs = prefs;
- self->time_changed_id = g_signal_connect(view, "time-changed",
- G_CALLBACK(on_time_changed), self);
- return 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"));
}
-static GtkWidget *gis_plugin_radar_get_config(GisPlugin *_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);
- return self->config_body;
+ g_free(self->cur_time);
+ self->cur_time = g_strdup(time);
+ _set_radar(self, self->cur_site, self->cur_time);
}
-static void gis_plugin_radar_expose(GisPlugin *_self)
+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);
- g_debug("GisPluginRadar: expose");
+ 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;
+ }
+ }
+ 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)
+{
+ GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
+
+ /* Draw wsr88d */
if (self->cur_sweep == NULL)
- return;
+ return NULL;
+ g_debug("GisPluginRadar: _draw_radar");
Sweep *sweep = self->cur_sweep;
#ifdef MARCHING
glPopMatrix();
#endif
- g_message("set camera");
+ 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_opengl_center_position(self->opengl, lat, lon, elev);
+ gis_viewer_center_position(self->viewer, lat, lon, elev);
glDisable(GL_ALPHA_TEST);
glDisable(GL_CULL_FACE);
- glDisable(GL_DEPTH_TEST);
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);
- glBegin(GL_QUAD_STRIP);
+ 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;
//glTexCoord2d( 1., 0.); glVertex3f( 0., 0., 3.); // bot right
//glEnd();
+ return NULL;
+}
+
+static gpointer _draw_hud(GisCallback *callback, gpointer _self)
+{
+ GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
+ if (self->cur_sweep == NULL)
+ return NULL;
+ g_debug("GisPluginRadar: _draw_hud");
+
/* Print the color table */
glMatrixMode(GL_MODELVIEW ); glLoadIdentity();
glMatrixMode(GL_PROJECTION); glLoadIdentity();
glDisable(GL_TEXTURE_2D);
+ glDisable(GL_ALPHA_TEST);
+ glDisable(GL_CULL_FACE);
+ glDisable(GL_LIGHTING);
glEnable(GL_COLOR_MATERIAL);
glBegin(GL_QUADS);
int i;
glVertex3f(-0.9, (float)((i ) - 256/2)/(256/2), 0.0); // bot right
}
glEnd();
+
+ return NULL;
+}
+
+
+/***********
+ * Methods *
+ ***********/
+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->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);
+
+ 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);
+ }
+
+ /* 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)
+{
+ GisPluginRadar *self = GIS_PLUGIN_RADAR(_self);
+ return self->config_body;
}
{
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);
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_OBJECT_CLASS(gis_plugin_radar_parent_class)->finalize(gobject);
}