GtkWidget *drawing;
GtkWidget *config_body;
static Sweep *cur_sweep = NULL; // make this not global
-static int nred, ngreen, nblue;
-static char red[256], green[256], blue[256];
+//static int nred, ngreen, nblue;
+//static char red[256], green[256], blue[256];
+static colormap_t *colormap;
static guint sweep_tex = 0;
+static Radar *radar = NULL;
static AWeatherGui *gui = NULL;
-static Radar *radar = NULL;
/**************************
* Data loading functions *
**************************/
-/* return a GL alpha value for a radar pixle */
-static guint8 get_alpha(guint8 db)
-{
- if (db == BADVAL) return 0;
- if (db == RFVAL ) return 0;
- if (db == APFLAG) return 0;
- if (db == NOECHO) return 0;
- if (db == 0 ) return 0;
- //if (db > 60) return 0;
- //else if (db < 10) return 0;
- //else if (db < 25) return (db-10)*(255.0/15);
- else return 255;
-}
-
/* Convert a sweep to an 2d array of data points */
static void bscan_sweep(Sweep *sweep, guint8 **data, int *width, int *height)
{
for (bi = 0; bi < ray->h.nbins; bi++) {
/* copy RGBA into buffer */
//guint val = dz_f(ray->range[bi]);
- guint val = ray->h.f(ray->range[bi]);
- guint buf_i = (ri*max_bins+bi)*4;
- buf[buf_i+0] = red[val];
- buf[buf_i+1] = green[val];
- buf[buf_i+2] = blue[val];
- buf[buf_i+3] = get_alpha(val);
+ 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];
+ if (val == BADVAL || val == RFVAL || val == APFLAG ||
+ val == NOTFOUND_H || val == NOTFOUND_V || val == NOECHO) {
+ buf[buf_i+3] = 0x00; // transparent
+ }
}
}
static void load_color_table(char *table)
{
- /* TODO: replace this with a better color table */
- g_message("loading color table");
- if (g_str_equal(table, "Velocity"))
- RSL_load_vel_color_table();
- else if (g_str_equal(table, "Spectrum width"))
- RSL_load_sw_color_table();
- else
- RSL_load_refl_color_table();
- RSL_get_color_table(RSL_RED_TABLE, red, &nred);
- RSL_get_color_table(RSL_GREEN_TABLE, green, &ngreen);
- RSL_get_color_table(RSL_BLUE_TABLE, blue, &nblue);
+ for (int i = 0; colormaps[i].name; i++)
+ if (g_str_equal(colormaps[i].name, table))
+ colormap = &colormaps[i];
}
/* Load a sweep as the active texture */
int height, width;
guint8 *data;
bscan_sweep(sweep, &data, &width, &height);
+ glDeleteTextures(1, &sweep_tex);
glGenTextures(1, &sweep_tex);
glBindTexture(GL_TEXTURE_2D, 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_LINEAR);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0,
+ GL_RGBA, GL_UNSIGNED_BYTE, data);
g_free(data);
- gdk_window_invalidate_rect(drawing->window, &drawing->allocation, FALSE);
- gdk_window_process_updates(drawing->window, FALSE);
+ gtk_widget_queue_draw(aweather_gui_get_widget(gui, "drawing"));
aweather_gui_gl_end(gui);
}
if (child)
gtk_widget_destroy(child);
- GtkWidget *hbox = gtk_hbox_new(TRUE, 0);
- GtkWidget *button = NULL;
- int vi = 0, si = 0;
- for (vi = 0; vi < radar->h.nvolumes; vi++) {
+ 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;
+ 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;
- GtkWidget *vbox = gtk_vbox_new(TRUE, 0);
- for (si = vol->h.nsweeps-1; si >= 0; si--) {
+ rows++; cols = 1;
+
+ /* 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) continue;
- char *label = g_strdup_printf("Tilt: %.2f (%s)", sweep->h.elev, vol->h.type_str);
- button = gtk_radio_button_new_with_label_from_widget(GTK_RADIO_BUTTON(button), label);
+ if (sweep == NULL || sweep->h.elev == 0) continue;
+ cols++;
+
+ /* Column label */
+ g_object_get(table, "n-columns", &cur_cols, NULL);
+ if (cols > cur_cols) {
+ g_snprintf(col_label_str, 64, "<b>%.2f°</b>", sweep->h.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, 40, -1);
+ gtk_table_attach(GTK_TABLE(table), col_label,
+ cols-1,cols, 0,1, GTK_FILL,GTK_FILL, 0,0);
+ }
+
+ /* Button */
+ 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);
- 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);
- gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, TRUE, 0);
- g_free(label);
+ 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);
+ gtk_table_attach(GTK_TABLE(table), button,
+ cols-1,cols, rows-1,rows, GTK_FILL,GTK_FILL, 0,0);
}
- gtk_box_set_homogeneous(GTK_BOX(vbox), FALSE);
- gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0);
}
- gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(config_body), hbox);
- gtk_widget_show_all(hbox);
+ gtk_container_add(GTK_CONTAINER(config_body), table);
+ gtk_widget_show_all(table);
}
/* Load a radar from a file */
g_warning("wsr88ddec exited with status %d", status);
return;
}
- char *site = g_path_get_basename(g_path_get_dirname(path));
- if (radar) RSL_free_radar(radar);
+ char *dir = g_path_get_dirname(path);
+ char *site = g_path_get_basename(dir);
+ g_free(dir);
RSL_read_these_sweeps("all", NULL);
+ if (radar) {
+ g_message("Freeing radar");
+ RSL_free_radar(radar);
+ }
+ g_message("Allocating radar");
radar = RSL_wsr88d_to_radar(path, site);
if (radar == NULL) {
g_warning("fail to load radar: path=%s, site=%s", path, site);
+ g_free(path);
+ g_free(site);
return;
}
+ g_free(path);
+ g_free(site);
/* Load the first sweep by default */
if (radar->h.nvolumes < 1 || radar->v[0]->h.nsweeps < 1) {
}
/* decompress a radar file, then chain to the actuall loading function */
-static void load_radar(char *path, gpointer user_data)
+static void load_radar(char *path, gboolean updated, gpointer user_data)
{
char *raw = g_strconcat(path, ".raw", NULL);
- if (g_file_test(raw, G_FILE_TEST_EXISTS)) {
+ 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;
NULL, // gpointer user_data,
&pid, // GPid *child_pid,
&error); // GError **error
- if (error)
- g_warning("failed to decompress WSR88D data: %s", error->message);
+ 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);
}
}
+static void update_times(char *site, char **last_time)
+{
+ char *list_uri = g_strdup_printf(
+ "http://mesonet.agron.iastate.edu/data/nexrd2/raw/K%s/dir.list",
+ site);
+ GFile *list = g_file_new_for_uri(list_uri);
+ g_free(list_uri);
+
+ gchar *data;
+ gsize length;
+ GError *error = NULL;
+ g_file_load_contents(list, NULL, &data, &length, NULL, &error);
+ g_object_unref(list);
+ if (error) {
+ g_warning("Error loading list for %s: %s", site, error->message);
+ g_error_free(error);
+ return;
+ }
+ gchar **lines = g_strsplit(data, "\n", -1);
+ GtkTreeView *tview = GTK_TREE_VIEW(aweather_gui_get_widget(gui, "time"));
+ GtkListStore *lstore = GTK_LIST_STORE(gtk_tree_view_get_model(tview));
+ gtk_list_store_clear(lstore);
+ GtkTreeIter iter;
+ for (int i = 0; lines[i] && lines[i][0]; i++) {
+ // format: `841907 KABR_20090510_0159'
+ //g_message("\tadding %p [%s]", lines[i], lines[i]);
+ char **parts = g_strsplit(lines[i], " ", 2);
+ char *time = parts[1]+5;
+ gtk_list_store_insert(lstore, &iter, 0);
+ gtk_list_store_set(lstore, &iter, 0, time, -1);
+ g_strfreev(parts);
+ }
+
+ if (last_time)
+ gtk_tree_model_get(GTK_TREE_MODEL(lstore), &iter, 0, last_time, -1);
+
+ g_free(data);
+ g_strfreev(lines);
+}
+
/*************
* Callbacks *
*************/
-static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
+static gboolean on_expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
{
g_message("radar:expose");
if (cur_sweep == NULL)
glDisable(GL_ALPHA_TEST);
glColor4f(1,1,1,1);
glBegin(GL_QUAD_STRIP);
- for (int ri = 0; ri <= sweep->h.nrays+1; ri++) {
- /* Do the first sweep twice to complete the last Quad */
- Ray *ray = sweep->ray[ri % sweep->h.nrays];
-
- /* right and left looking out from radar */
- double left = ((ray->h.azimuth - ((double)ray->h.beam_width/2.))*M_PI)/180.0;
- //double right = ((ray->h.azimuth + ((double)ray->h.beam_width/2.))*M_PI)/180.0;
+ 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 = ((ray->h.azimuth - ((double)ray->h.beam_width/2.))*M_PI)/180.0;
+ } else {
+ /* Do the right side of the last sweep */
+ ray = sweep->ray[ri-1];
+ angle = ((ray->h.azimuth + ((double)ray->h.beam_width/2.))*M_PI)/180.0;
+ }
- double lx = sin(left);
- double ly = cos(left);
+ 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;
glMatrixMode(GL_PROJECTION); glPushMatrix(); glLoadIdentity();
glBegin(GL_QUADS);
int i;
- for (i = 0; i < nred; i++) {
- glColor4ub(red[i], green[i], blue[i], get_alpha(i));
- glVertex3f(-1.0, (float)((i ) - nred/2)/(nred/2), 0.0); // bot left
- glVertex3f(-1.0, (float)((i+1) - nred/2)/(nred/2), 0.0); // top left
- glVertex3f(-0.9, (float)((i+1) - nred/2)/(nred/2), 0.0); // top right
- glVertex3f(-0.9, (float)((i ) - nred/2)/(nred/2), 0.0); // bot right
+ for (i = 0; i < 256; i++) {
+ glColor4ub(colormap->data[i][0],
+ colormap->data[i][1],
+ colormap->data[i][2],
+ 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);
return FALSE;
}
-static void set_time(AWeatherView *view, char *time, gpointer user_data)
+static void on_time_changed(AWeatherView *view, char *time, gpointer user_data)
{
g_message("radar:setting time");
// format: http://mesonet.agron.iastate.edu/data/nexrd2/raw/KABR/KABR_20090510_0323
char *site = aweather_view_get_location(view);
char *base = "http://mesonet.agron.iastate.edu/data/";
char *path = g_strdup_printf("nexrd2/raw/K%s/K%s_%s", site, site, time);
- //g_message("caching %s/%s", base, path);
- cache_file(base, path, load_radar, NULL);
+
+ radar = NULL;
+ cur_sweep = NULL; // Clear radar
+ gtk_widget_queue_draw(aweather_gui_get_widget(gui, "drawing"));
+
+ cache_file(base, path, AWEATHER_AUTOMATIC, load_radar, NULL);
+ g_free(path);
}
-static void set_site(AWeatherView *view, char *site, gpointer user_data)
+static void on_location_changed(AWeatherView *view, char *site, gpointer user_data)
{
g_message("Loading wsr88d list for %s", site);
- gchar *data;
- gsize length;
- GError *error = NULL;
- char *list_uri = g_strdup_printf("http://mesonet.agron.iastate.edu/data/nexrd2/raw/K%s/dir.list", site);
- GFile *list = g_file_new_for_uri(list_uri);
- g_file_load_contents(list, NULL, &data, &length, NULL, &error);
- if (error) {
- g_warning("Error loading list for %s: %s", site, error->message);
- return;
- }
- gchar **lines = g_strsplit(data, "\n", -1);
- GtkTreeView *tview = GTK_TREE_VIEW(aweather_gui_get_widget(gui, "time"));
- GtkListStore *lstore = GTK_LIST_STORE(gtk_tree_view_get_model(tview));
- gtk_list_store_clear(lstore);
- radar = NULL;
char *time = NULL;
- for (int i = 0; lines[i] && lines[i][0]; i++) {
- // format: `841907 KABR_20090510_0159'
- //g_message("\tadding %p [%s]", lines[i], lines[i]);
- char **parts = g_strsplit(lines[i], " ", 2);
- time = parts[1]+5;
- GtkTreeIter iter;
- gtk_list_store_insert(lstore, &iter, 0);
- gtk_list_store_set(lstore, &iter, 0, time, -1);
- }
- if (time != NULL)
- aweather_view_set_time(view, time);
+ update_times(site, &time);
+ aweather_view_set_time(view, time);
+
+ g_free(time);
+}
+
+static void on_refresh(AWeatherView *view, gpointer user_data)
+{
+ char *site = aweather_view_get_location(view);
+ char *time = NULL;
+ update_times(site, &time);
+ aweather_view_set_time(view, time);
+ g_free(time);
}
/* Init */
{
gui = _gui;
drawing = aweather_gui_get_widget(gui, "drawing");
- GtkNotebook *config = GTK_NOTEBOOK(aweather_gui_get_widget(gui, "tabs"));
- AWeatherView *view = aweather_gui_get_view(gui);
+ GtkWidget *config = aweather_gui_get_widget(gui, "tabs");
+ AWeatherView *view = aweather_gui_get_view(gui);
/* Add configuration tab */
- config_body = gtk_scrolled_window_new(NULL, NULL);
- gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(config_body), gtk_label_new("No radar loaded"));
- gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(config_body), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
- gtk_notebook_append_page(GTK_NOTEBOOK(config), config_body, gtk_label_new("Radar"));
+ config_body = gtk_alignment_new(0, 0, 1, 1);
+ gtk_container_set_border_width(GTK_CONTAINER(config_body), 5);
+ gtk_container_add(GTK_CONTAINER(config_body), gtk_label_new("No radar loaded"));
+ gtk_notebook_prepend_page(GTK_NOTEBOOK(config), config_body, gtk_label_new("Radar"));
/* Set up OpenGL Stuff */
- g_signal_connect(drawing, "expose-event", G_CALLBACK(expose), NULL);
- g_signal_connect(view, "location-changed", G_CALLBACK(set_site), NULL);
- g_signal_connect(view, "time-changed", G_CALLBACK(set_time), NULL);
+ g_signal_connect(drawing, "expose-event", G_CALLBACK(on_expose), NULL);
+ g_signal_connect(view, "location-changed", G_CALLBACK(on_location_changed), NULL);
+ g_signal_connect(view, "time-changed", G_CALLBACK(on_time_changed), NULL);
+ g_signal_connect(view, "refresh", G_CALLBACK(on_refresh), NULL);
return TRUE;
}
projects / grits / blobdiff