* 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));
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)
{
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;
//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
*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);
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));
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;
//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);
RSL_read_these_sweeps("all", NULL);
if (self->cur_radar) {
- g_message("Freeing radar");
+ g_debug("AWeatherRadar: load_radar - Freeing old radar");
RSL_free_radar(self->cur_radar);
}
- g_message("Allocating radar");
- Radar *radar = self->cur_radar = RSL_wsr88d_to_radar(path, site);
+ g_debug("AWeatherRadar: load_radar - Loading new radar");
+ 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 */
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",
g_strfreev(lines);
}
+/*****************
+ * ASync helpers *
+ *****************/
+typedef struct {
+ AWeatherRadar *self;
+ gchar *radar_file;
+} decompressed_t;
+
+static void decompressed_cb(GPid pid, gint status, gpointer _self)
+{
+ decompressed_t *udata = _self;
+ if (status != 0) {
+ g_warning("wsr88ddec exited with status %d", status);
+ return;
+ }
+ // TODO: pass cur_file as params?
+ load_radar(udata->self, udata->radar_file);
+ 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)
{
- g_message("radar:setting time");
+ 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)
+{
+ 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/";
self->cur_sweep = NULL; // Clear radar
aweather_gui_gl_redraw(self->gui);
- cache_file(base, path, AWEATHER_AUTOMATIC, load_radar, NULL);
+ 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 user_data, 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);
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;
projects / aweather / blobdiff