+/*
+ * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
+ *
+ * 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 <config.h>
#include <gtk/gtk.h>
#include <gtk/gtkgl.h>
#include "aweather-gui.h"
#include "plugin-radar.h"
+#include "data.h"
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 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;
-}
-
-//#ifdef USE_TWO_BYTE_PRECISION
-//#define F_FACTOR 100.0
-//#define F_DR_FACTOR 1000.0
-//#define F_DZ_RANGE_OFFSET 50
-//#else
-//#define F_FACTOR 2.0
-//#define F_DR_FACTOR 10.0
-//#define F_DZ_RANGE_OFFSET 32
-//#endif
-//#define F_OFFSET 4
-//static float dz_f(Range x)
-//{
-// if (x >= F_OFFSET)
-// return (((float)x-F_OFFSET)/F_FACTOR - F_DZ_RANGE_OFFSET);
-// if (x == 0) return BADVAL;
-// if (x == 1) return RFVAL;
-// if (x == 2) return APFLAG;
-// if (x == 3) return NOECHO;
-// return BADVAL;
-//}
+static AWeatherGui *gui = 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)
{
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
+ }
}
}
*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))
+ colormap = &colormaps[i];
+}
+
/* Load a sweep as the active texture */
static void load_sweep(Sweep *sweep)
{
+ aweather_gui_gl_begin(gui);
cur_sweep = sweep;
int height, width;
guint8 *data;
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);
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);
}
-/* Load the default sweep */
-static gboolean configure(GtkWidget *da, GdkEventConfigure *event, gpointer user_data)
+/* Add selectors to the config area for the sweeps */
+static void load_radar_gui(Radar *radar)
{
- g_message("radar:configure");
- Sweep *first = (Sweep*)user_data;
- if (cur_sweep == NULL)
- load_sweep(first);
- return FALSE;
+ /* Clear existing items */
+ GtkWidget *child = gtk_bin_get_child(GTK_BIN(config_body));
+ 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++) {
+ Volume *vol = radar->v[vi];
+ if (vol == NULL) continue;
+ GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
+ for (si = vol->h.nsweeps-1; si >= 0; 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);
+ 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);
+ }
+ 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);
+}
+
+/* Load a radar from a file */
+static void load_radar_rsl(GPid pid, gint status, gpointer _path)
+{
+ gchar *path = _path;
+ if (status != 0) {
+ g_warning("wsr88ddec exited with status %d", status);
+ return;
+ }
+ char *site = g_path_get_basename(g_path_get_dirname(path));
+ 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);
+ return;
+ }
+
+ /* 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_color_table(radar->v[vi]->h.type_str);
+ load_sweep(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, gpointer user_data)
+{
+ char *raw = g_strconcat(path, ".raw", NULL);
+ if (g_file_test(raw, G_FILE_TEST_EXISTS)) {
+ load_radar_rsl(0, 0, raw);
+ } else {
+ 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_child_watch_add(pid, load_radar_rsl, raw);
+ }
+}
+
+/*************
+ * Callbacks *
+ *************/
static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
{
g_message("radar:expose");
+ if (cur_sweep == NULL)
+ return FALSE;
Sweep *sweep = cur_sweep;
/* Draw the rays */
glPushMatrix();
glBindTexture(GL_TEXTURE_2D, 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+1; ri++) {
/* 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 < 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);
+ glEnable(GL_ALPHA_TEST);
glMatrixMode(GL_PROJECTION); glPopMatrix();
glMatrixMode(GL_MODELVIEW ); glPopMatrix();
-
return FALSE;
}
-gboolean radar_init(AWeatherGui *gui)
+static void set_time(AWeatherView *view, char *time, gpointer user_data)
{
- drawing = GTK_WIDGET(aweather_gui_get_drawing(gui));
- GtkNotebook *config = aweather_gui_get_tabs(gui);
+ 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);
+ cur_sweep = NULL; // Clear radar
+ gtk_widget_queue_draw(aweather_gui_get_widget(gui, "drawing"));
+ cache_file(base, path, load_radar, NULL);
+ g_free(path);
+}
- /* Parse hard coded file.. */
- RSL_read_these_sweeps("all", NULL);
- //RSL_read_these_sweeps("all", NULL);
- Radar *radar = RSL_wsr88d_to_radar("/scratch/aweather/data/level2/KNQA_20090501_1925.raw", "KNQA");
- 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);
- if (radar->h.nvolumes < 1 || radar->v[0]->h.nsweeps < 1)
- g_print("No sweeps found\n");
+static void set_site(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_free(list_uri);
+ cur_sweep = NULL; // Clear radar
+ gtk_widget_queue_draw(aweather_gui_get_widget(gui, "drawing"));
+ 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);
+ g_free(data);
+ g_strfreev(lines);
+}
+
+/* Init */
+gboolean radar_init(AWeatherGui *_gui)
+{
+ 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);
/* Add configuration tab */
- GtkWidget *scroll = gtk_scrolled_window_new(NULL, NULL);
- GtkWidget *hbox = gtk_hbox_new(TRUE, 0);
- GtkWidget *button = NULL;
- int vi = 0, si = 0;
- for (vi = 0; vi < radar->h.nvolumes; vi++) {
- Volume *vol = radar->v[vi];
- if (vol == NULL) continue;
- GtkWidget *vbox = gtk_vbox_new(TRUE, 0);
- gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0);
- for (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);
- g_signal_connect_swapped(button, "clicked", G_CALLBACK(load_sweep), sweep);
- gtk_box_pack_start(GTK_BOX(vbox), button, TRUE, TRUE, 0);
- g_free(label);
- }
- }
- GtkWidget *label = gtk_label_new("Radar");
- gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scroll), hbox);
- gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
- gtk_notebook_append_page(GTK_NOTEBOOK(config), scroll, label);
+ 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_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(drawing, "configure-event", G_CALLBACK(configure), radar->v[0]->sweep[0]);
+ 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);
return TRUE;
}
projects / grits / blobdiff