X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=src%2Fplugins%2Fradar.c;h=62d6dc02e8af26a1bad550a6c811b8af299eacbf;hb=490827dedd73655f2420c790376bf629a8b86403;hp=26403eaecce57bfd76bddc0426e3e34ebbeba5fc;hpb=7200f71a7275a4ca3faa4d3d8182720fcc0b9496;p=aweather diff --git a/src/plugins/radar.c b/src/plugins/radar.c index 26403ea..62d6dc0 100644 --- a/src/plugins/radar.c +++ b/src/plugins/radar.c @@ -1,21 +1,22 @@ /* - * Copyright (C) 2009 Andy Spencer - * + * Copyright (C) 2009-2010 Andy Spencer + * * 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 . */ #include +#include #include #include #include @@ -23,144 +24,106 @@ #include #include -#include +#include #include "radar.h" -#include "marching.h" +#include "level2.h" +#include "../aweather-location.h" -/**************** - * GObject code * - ****************/ -/* Plugin init */ -static void gis_plugin_radar_plugin_init(GisPluginInterface *iface); -static void gis_plugin_radar_expose(GisPlugin *_radar); -static GtkWidget *gis_plugin_radar_get_config(GisPlugin *_self); -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) -{ - 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 */ -static void gis_plugin_radar_init(GisPluginRadar *self) +/* Drawing functions */ +static void _draw_hud(GisCallback *callback, gpointer _self) { - g_debug("GisPluginRadar: class_init"); - /* Set defaults */ - self->soup = NULL; - self->cur_triangles = NULL; - self->cur_num_triangles = 0; + GisPluginRadar *self = GIS_PLUGIN_RADAR(_self); + if (!self->colormap) + return; - 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")); -} -static void gis_plugin_radar_dispose(GObject *gobject) -{ - g_debug("GisPluginRadar: dispose"); - GisPluginRadar *self = GIS_PLUGIN_RADAR(gobject); - g_signal_handler_disconnect(self->view, self->time_changed_id); - /* Drop references */ - G_OBJECT_CLASS(gis_plugin_radar_parent_class)->dispose(gobject); + 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(); } -static void gis_plugin_radar_finalize(GObject *gobject) -{ - g_debug("GisPluginRadar: finalize"); - GisPluginRadar *self = GIS_PLUGIN_RADAR(gobject); - /* Free data */ - G_OBJECT_CLASS(gis_plugin_radar_parent_class)->finalize(gobject); -} -static void gis_plugin_radar_class_init(GisPluginRadarClass *klass) + +/*************** + * GUI loading * + ***************/ +/* Clear the config area */ +static void _load_gui_clear(GisPluginRadar *self) { - g_debug("GisPluginRadar: class_init"); - GObjectClass *gobject_class = (GObjectClass*)klass; - gobject_class->dispose = gis_plugin_radar_dispose; - gobject_class->finalize = gis_plugin_radar_finalize; + GtkWidget *child = gtk_bin_get_child(GTK_BIN(self->config_body)); + if (child) + gtk_widget_destroy(child); } -/************************** - * 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) +/* Setup a loading screen in the tab */ +static void _load_gui_pre(GisPluginRadar *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 - } - } - } + g_debug("GisPluginRadar: _load_gui_pre"); - /* set output */ - *width = max_bins; - *height = sweep->h.nrays; - *data = buf; + /* 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); } -/* Load a sweep as the active texture */ -static void load_sweep(GisPluginRadar *self, Sweep *sweep) +/* Update pogress bar of loading screen */ +static void _load_gui_update(char *path, goffset cur, goffset total, gpointer _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); + 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); } -static void load_colormap(GisPluginRadar *self, gchar *table) +/* Update pogress bar of loading screen */ +static void _load_gui_error(GisPluginRadar *self, gchar *error) { - /* 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]; + 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); } -/* 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) +/* 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; @@ -215,299 +178,168 @@ static void load_radar_gui(GisPluginRadar *self, Radar *radar) 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 = 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); + 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; + + gdk_threads_enter(); + _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; + gchar *file = _download_radar(self, data->site, data->time); + if (!file) { + _load_gui_error(self, "Download failed"); + goto out; } - 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) + 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; } -#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); -} - -/***************** - * 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: + gdk_threads_leave(); + g_free(file); + g_free(data->site); + g_free(data->time); + g_free(data); + 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) { - 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; + //soup_session_abort(self->http->soup); + //g_mutex_lock(self->load_mutex); + struct SetRadarData *data = g_new(struct SetRadarData, 1); + data->self = self; + data->site = g_strdup(site); + data->time = g_strdup(time); + 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->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); } - gchar *base = gis_prefs_get_string(self->prefs, "aweather/nexrad_url"); - 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_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); + } + + GisCallback *hud_cb = gis_callback_new(_draw_hud, self); + gis_viewer_add(viewer, GIS_OBJECT(hud_cb), GIS_LEVEL_HUD, FALSE); + return self; } @@ -517,115 +349,55 @@ static GtkWidget *gis_plugin_radar_get_config(GisPlugin *_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 - - /* 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(); +/**************** + * 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) +{ + g_debug("GisPluginRadar: plugin_init"); + /* Add methods to the interface */ + iface->get_config = gis_plugin_radar_get_config; +} +/* Class/Object init */ +static void gis_plugin_radar_init(GisPluginRadar *self) +{ + g_debug("GisPluginRadar: class_init"); + /* Set defaults */ + 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")); +} +static void gis_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); + /* Drop references */ + G_OBJECT_CLASS(gis_plugin_radar_parent_class)->dispose(gobject); +} +static void gis_plugin_radar_finalize(GObject *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); - /* 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(); } +static void gis_plugin_radar_class_init(GisPluginRadarClass *klass) +{ + g_debug("GisPluginRadar: class_init"); + GObjectClass *gobject_class = (GObjectClass*)klass; + gobject_class->dispose = gis_plugin_radar_dispose; + gobject_class->finalize = gis_plugin_radar_finalize; +} +