X-Git-Url: http://pileus.org/git/?p=aweather;a=blobdiff_plain;f=src%2Fplugin-radar.c;h=e17d5a22a4e43f02aaa0a057138a216975a558ba;hp=46e73d4a0ee73b4e1f9ed35235a749be2a85f845;hb=2cff8bb49022174ae7dba40c83dcecc94f5d2193;hpb=e778b406a21e31d79ca1cd599469bb4ddc3d6a1c diff --git a/src/plugin-radar.c b/src/plugin-radar.c index 46e73d4..e17d5a2 100644 --- a/src/plugin-radar.c +++ b/src/plugin-radar.c @@ -30,7 +30,7 @@ * GObject code * ****************/ static void aweather_radar_plugin_init(AWeatherPluginInterface *iface); -static void aweather_radar_expose(AWeatherPlugin *_radar); +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)); @@ -41,7 +41,7 @@ static void aweather_radar_class_init(AWeatherRadarClass *klass) static void aweather_radar_plugin_init(AWeatherPluginInterface *iface) { /* Add methods to the interface */ - iface->expose = aweather_radar_expose; + iface->expose = _aweather_radar_expose; } static void aweather_radar_init(AWeatherRadar *radar) { @@ -49,14 +49,12 @@ static void aweather_radar_init(AWeatherRadar *radar) radar->gui = NULL; } -/* TODO: User parameters or user data or something */ -static AWeatherRadar *self = NULL; - /************************** * Data loading functions * **************************/ /* Convert a sweep to an 2d array of data points */ -static void bscan_sweep(Sweep *sweep, guint8 **data, int *width, int *height) +static void bscan_sweep(AWeatherRadar *self, Sweep *sweep, colormap_t *colormap, + guint8 **data, int *width, int *height) { /* Calculate max number of bins */ int i, max_bins = 0; @@ -75,10 +73,10 @@ static void bscan_sweep(Sweep *sweep, guint8 **data, int *width, int *height) //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] = self->cur_colormap->data[val][0]; - buf[buf_i+1] = self->cur_colormap->data[val][1]; - buf[buf_i+2] = self->cur_colormap->data[val][2]; - buf[buf_i+3] = self->cur_colormap->data[val][3]; + 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]; if (val == BADVAL || val == RFVAL || val == APFLAG || val == NOTFOUND_H || val == NOTFOUND_V || val == NOECHO) { buf[buf_i+3] = 0x00; // transparent @@ -92,21 +90,14 @@ static void bscan_sweep(Sweep *sweep, guint8 **data, int *width, int *height) *data = buf; } -static void load_color_table(char *table) -{ - for (int i = 0; colormaps[i].name; i++) - if (g_str_equal(colormaps[i].name, table)) - self->cur_colormap = &colormaps[i]; -} - /* Load a sweep as the active texture */ -static void load_sweep(Sweep *sweep) +static void load_sweep(AWeatherRadar *self, Sweep *sweep) { aweather_gui_gl_begin(self->gui); self->cur_sweep = sweep; int height, width; guint8 *data; - bscan_sweep(sweep, &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); @@ -121,8 +112,17 @@ static void load_sweep(Sweep *sweep) aweather_gui_gl_end(self->gui); } +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 load_radar_gui(Radar *radar) +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)); @@ -152,7 +152,6 @@ static void load_radar_gui(Radar *radar) Sweep *sweep = vol->sweep[si]; if (sweep == NULL || sweep->h.elev == 0) continue; if (sweep->h.elev != elev) { - g_message("adding elev"); cols++; elev = sweep->h.elev; @@ -182,41 +181,30 @@ static void load_radar_gui(Radar *radar) //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_signal_connect_swapped(button, "clicked", - G_CALLBACK(load_color_table), vol->h.type_str); - g_signal_connect_swapped(button, "clicked", - G_CALLBACK(load_sweep), sweep); + + 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); } -/* Load a radar from a file */ -static void load_radar_rsl(GPid pid, gint status, gpointer _path) +/* Load a radar from a decompressed file */ +static void load_radar(AWeatherRadar *self, gchar *radar_file) { - gchar *path = _path; - if (status != 0) { - g_warning("wsr88ddec exited with status %d", status); - return; - } - char *dir = g_path_get_dirname(path); + 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); - if (self->cur_radar) { - g_message("Freeing radar"); - RSL_free_radar(self->cur_radar); - } - g_message("Allocating radar"); - Radar *radar = self->cur_radar = RSL_wsr88d_to_radar(path, site); + 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", path, site); - g_free(path); + g_warning("fail to load radar: path=%s, site=%s", radar_file, site); g_free(site); return; } - g_free(path); g_free(site); /* Load the first sweep by default */ @@ -228,49 +216,18 @@ static void load_radar_rsl(GPid pid, gint status, gpointer _path) 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_color_table(radar->v[vi]->h.type_str); - load_sweep(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(radar); -} - -/* decompress a radar file, then chain to the actuall loading function */ -static void load_radar(char *path, gboolean updated, gpointer user_data) -{ - char *raw = g_strconcat(path, ".raw", NULL); - if (!updated) { - load_radar_rsl(0, 0, raw); - } else { - g_message("File updated, decompressing.."); - char *argv[] = {"wsr88ddec", path, raw, 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, load_radar_rsl, raw); - } + load_radar_gui(self, radar); } -static void update_times(char *site, char **last_time) +static void update_times(AWeatherRadar *self, char *site, char **last_time) { char *list_uri = g_strdup_printf( "http://mesonet.agron.iastate.edu/data/nexrd2/raw/K%s/dir.list", @@ -310,56 +267,128 @@ static void update_times(char *site, char **last_time) g_strfreev(lines); } +/***************** + * 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 cached_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: cached_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); +} + /************* * Callbacks * *************/ -static void on_time_changed(AWeatherView *view, char *time, gpointer user_data) +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(AWeatherView *view, char *time, gpointer _self) { - g_message("radar:setting time"); + AWeatherRadar *self = AWEATHER_RADAR(_self); + g_debug("AWeatherRadar: on_time_changed - setting time"); // format: http://mesonet.agron.iastate.edu/data/nexrd2/raw/KABR/KABR_20090510_0323 char *site = aweather_view_get_site(view); char *base = "http://mesonet.agron.iastate.edu/data/"; char *path = g_strdup_printf("nexrd2/raw/K%s/K%s_%s", site, site, time); + /* Clear out children */ + 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("Loading radar...")); + gtk_widget_show_all(self->config_body); + if (self->cur_radar) + RSL_free_radar(self->cur_radar); self->cur_radar = NULL; - self->cur_sweep = NULL; // Clear radar + self->cur_sweep = NULL; aweather_gui_gl_redraw(self->gui); - cache_file(base, path, AWEATHER_AUTOMATIC, load_radar, NULL); + /* Start loading the new radar */ + cache_file(base, path, AWEATHER_AUTOMATIC, cached_cb, self); g_free(path); } -static void on_site_changed(AWeatherView *view, char *site, gpointer user_data) +static void on_site_changed(AWeatherView *view, char *site, gpointer _self) { - g_message("Loading wsr88d list for %s", site); + AWeatherRadar *self = AWEATHER_RADAR(_self); + g_debug("AWeatherRadar: on_site_changed - Loading wsr88d list for %s", site); char *time = NULL; - update_times(site, &time); + update_times(self, site, &time); aweather_view_set_time(view, time); g_free(time); } -static void on_refresh(AWeatherView *view, gpointer user_data) +static void on_refresh(AWeatherView *view, gpointer _self) { + AWeatherRadar *self = AWEATHER_RADAR(_self); char *site = aweather_view_get_site(view); char *time = NULL; - update_times(site, &time); + update_times(self, site, &time); aweather_view_set_time(view, time); g_free(time); } - - /*********** * Methods * ***********/ AWeatherRadar *aweather_radar_new(AWeatherGui *gui) { - //g_message("aweather_view_new"); - AWeatherRadar *radar = g_object_new(AWEATHER_TYPE_RADAR, NULL); - radar->gui = gui; - - self = radar; + g_debug("AWeatherRadar: new"); + AWeatherRadar *self = g_object_new(AWEATHER_TYPE_RADAR, NULL); + self->gui = gui; GtkWidget *config = aweather_gui_get_widget(gui, "tabs"); AWeatherView *view = aweather_gui_get_view(gui); @@ -371,17 +400,17 @@ AWeatherRadar *aweather_radar_new(AWeatherGui *gui) gtk_notebook_prepend_page(GTK_NOTEBOOK(config), self->config_body, gtk_label_new("Radar")); /* Set up OpenGL Stuff */ - g_signal_connect(view, "site-changed", G_CALLBACK(on_site_changed), NULL); - g_signal_connect(view, "time-changed", G_CALLBACK(on_time_changed), NULL); - g_signal_connect(view, "refresh", G_CALLBACK(on_refresh), NULL); + 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(view, "refresh", G_CALLBACK(on_refresh), self); - return radar; + return self; } -static void aweather_radar_expose(AWeatherPlugin *_radar) +static void _aweather_radar_expose(AWeatherPlugin *_self) { - AWeatherRadar *radar = AWEATHER_RADAR(_radar); - g_message("radar:expose"); + AWeatherRadar *self = AWEATHER_RADAR(_self); + g_debug("AWeatherRadar: expose"); if (self->cur_sweep == NULL) return; Sweep *sweep = self->cur_sweep;