+/*
+ * 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 <gio/gio.h>
#include <GL/gl.h>
#include <math.h>
+#include <rsl.h>
-#include "rsl.h"
-
+#include "aweather-gui.h"
#include "plugin-radar.h"
+#include "data.h"
-GtkWidget *drawing;
-static Sweep *cur_sweep = NULL; // make this not global
-static int nred, ngreen, nblue;
-static char red[256], green[256], blue[256];
-static guint sweep_tex = 0;
-
-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;
-//}
+/****************
+ * GObject code *
+ ****************/
+/* Plugin init */
+static void aweather_radar_plugin_init(AWeatherPluginInterface *iface);
+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)
+{
+ g_debug("AWeatherRadar: plugin_init");
+ /* Add methods to the interface */
+ iface->expose = _aweather_radar_expose;
+}
+/* Class/Object init */
+static void aweather_radar_init(AWeatherRadar *radar)
+{
+ g_debug("AWeatherRadar: class_init");
+ /* Set defaults */
+ radar->gui = NULL;
+ radar->soup = NULL;
+}
+static void aweather_radar_dispose(GObject *gobject)
+{
+ g_debug("AWeatherRadar: dispose");
+ AWeatherRadar *self = AWEATHER_RADAR(gobject);
+ /* Drop references */
+ G_OBJECT_CLASS(aweather_radar_parent_class)->dispose(gobject);
+}
+static void aweather_radar_finalize(GObject *gobject)
+{
+ g_debug("AWeatherRadar: finalize");
+ AWeatherRadar *self = AWEATHER_RADAR(gobject);
+ /* Free data */
+ G_OBJECT_CLASS(aweather_radar_parent_class)->finalize(gobject);
+}
+static void aweather_radar_class_init(AWeatherRadarClass *klass)
+{
+ g_debug("AWeatherRadar: class_init");
+ GObjectClass *gobject_class = (GObjectClass*)klass;
+ gobject_class->dispose = aweather_radar_dispose;
+ gobject_class->finalize = aweather_radar_finalize;
+}
+
+/**************************
+ * 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;
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
+ }
}
}
}
/* Load a sweep as the active texture */
-static void load_sweep(Sweep *sweep)
+static void load_sweep(AWeatherRadar *self, Sweep *sweep)
{
- cur_sweep = sweep;
+ aweather_gui_gl_begin(self->gui);
+ self->cur_sweep = sweep;
int height, width;
guint8 *data;
- bscan_sweep(sweep, &data, &width, &height);
- glGenTextures(1, &sweep_tex);
- glBindTexture(GL_TEXTURE_2D, sweep_tex);
+ 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_LINEAR);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
+ 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);
- gdk_window_invalidate_rect(drawing->window, &drawing->allocation, FALSE);
- gdk_window_process_updates(drawing->window, FALSE);
+ aweather_gui_gl_redraw(self->gui);
+ 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 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));
+ if (child)
+ gtk_widget_destroy(child);
+
+ gdouble elev;
+ 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, *elev_box = 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;
+ rows++; cols = 1; elev = 0;
+
+ /* 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 || sweep->h.elev == 0) continue;
+ if (sweep->h.elev != elev) {
+ cols++;
+ elev = sweep->h.elev;
+
+ /* Column label */
+ g_object_get(table, "n-columns", &cur_cols, NULL);
+ if (cols > cur_cols) {
+ g_snprintf(col_label_str, 64, "<b>%.2f°</b>", 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);
+ }
+
+ elev_box = gtk_hbox_new(TRUE, 0);
+ gtk_table_attach(GTK_TABLE(table), elev_box,
+ cols-1,cols, rows-1,rows, GTK_FILL,GTK_FILL, 0,0);
+ }
+
+
+ /* Button */
+ g_snprintf(button_str, 64, "%3.2f", elev);
+ button = gtk_radio_button_new_with_label_from_widget(
+ GTK_RADIO_BUTTON(button), button_str);
+ gtk_widget_set_size_request(button, -1, 26);
+ //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);
+ 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);
+ }
+ }
+ gtk_container_add(GTK_CONTAINER(self->config_body), table);
+ gtk_widget_show_all(table);
+}
+
+/* Load a radar from a decompressed file */
+static void load_radar(AWeatherRadar *self, gchar *radar_file)
+{
+ 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);
+ 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_free(site);
+
+ /* 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);
+}
+
+static void update_times(AWeatherRadar *self, AWeatherView *view, char *site, char **last_time)
+{
+ GList *times = NULL;
+ if (aweather_view_get_offline(view)) {
+ gchar *path = g_build_filename(g_get_user_cache_dir(), PACKAGE, "nexrd2", "raw", site, NULL);
+ GDir *dir = g_dir_open(path, 0, NULL);
+ if (dir) {
+ const gchar *name;
+ while ((name = g_dir_read_name(dir))) {
+ times = g_list_prepend(times, g_strdup(name));
+ }
+ g_dir_close(dir);
+ }
+ g_free(path);
+ } else {
+ gchar *data;
+ gsize length;
+ GError *error = NULL;
+
+ char *list_uri = g_strdup_printf("http://mesonet.agron.iastate.edu/data/nexrd2/raw/%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);
+ g_error_free(error);
+ } else {
+ gchar **lines = g_strsplit(data, "\n", -1);
+ for (int i = 0; lines[i] && lines[i][0]; i++) {
+ char **parts = g_strsplit(lines[i], " ", 2);
+ times = g_list_prepend(times, g_strdup(parts[1]));
+ g_strfreev(parts);
+ }
+ g_strfreev(lines);
+ g_free(data);
+ }
+
+ g_free(list_uri);
+ g_object_unref(list);
+ }
+
+ GRegex *regex = g_regex_new("^[A-Z]{4}_([0-9]{8}_[0-9]{4})$", 0, 0, NULL); // KLSX_20090622_2113
+ GMatchInfo *info;
+
+ GtkTreeView *tview = GTK_TREE_VIEW(aweather_gui_get_widget(self->gui, "time"));
+ GtkListStore *lstore = GTK_LIST_STORE(gtk_tree_view_get_model(tview));
+ gtk_list_store_clear(lstore);
+ GtkTreeIter iter;
+ times = g_list_reverse(times);
+ for (GList *cur = times; cur; cur = cur->next) {
+ g_message("trying time %s", (gchar*)cur->data);
+ if (g_regex_match(regex, cur->data, 0, &info)) {
+ gchar *time = g_match_info_fetch(info, 1);
+ g_message("adding time %s", (gchar*)cur->data);
+ gtk_list_store_insert(lstore, &iter, 0);
+ gtk_list_store_set(lstore, &iter, 0, time, -1);
+ if (last_time)
+ *last_time = time;
+ }
+ }
+
+ g_regex_unref(regex);
+ g_list_foreach(times, (GFunc)g_free, NULL);
+ g_list_free(times);
+}
+
+/*****************
+ * 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 cache_chunk_cb(char *path, goffset cur, goffset total, gpointer _self)
+{
+ AWeatherRadar *self = AWEATHER_RADAR(_self);
+ double percent = (double)cur/total;
+
+ g_message("AWeatherRadar: 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 cache_done_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: 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;
+}
+
+/*************
+ * Callbacks *
+ *************/
+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, const char *time, gpointer _self)
+{
+ AWeatherRadar *self = AWEATHER_RADAR(_self);
+ g_debug("AWeatherRadar: on_time_changed - setting time=%s", 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/%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);
+
+ /* Clear radar */
+ if (self->cur_radar)
+ RSL_free_radar(self->cur_radar);
+ self->cur_radar = NULL;
+ self->cur_sweep = NULL;
+ aweather_gui_gl_redraw(self->gui);
+
+ /* Start loading the new radar */
+ if (self->soup) {
+ soup_session_abort(self->soup);
+ self->soup = NULL;
+ }
+ if (aweather_view_get_offline(view))
+ self->soup = cache_file(base, path, AWEATHER_ONCE,
+ cache_chunk_cb, cache_done_cb, self);
+ else
+ self->soup = cache_file(base, path, AWEATHER_UPDATE,
+ cache_chunk_cb, cache_done_cb, self);
+ g_free(path);
+}
+
+static void on_site_changed(AWeatherView *view, char *site, gpointer _self)
+{
+ AWeatherRadar *self = AWEATHER_RADAR(_self);
+ g_debug("AWeatherRadar: on_site_changed - Loading wsr88d list for %s", site);
+ char *time = NULL;
+ update_times(self, view, site, &time);
+ aweather_view_set_time(view, time);
+
+ g_free(time);
}
-/* Load the default sweep */
-static gboolean configure(GtkWidget *da, GdkEventConfigure *event, gpointer user_data)
+static void on_refresh(AWeatherView *view, gpointer _self)
{
- Sweep *first = (Sweep*)user_data;
- if (cur_sweep == NULL)
- load_sweep(first);
- return FALSE;
+ AWeatherRadar *self = AWEATHER_RADAR(_self);
+ char *site = aweather_view_get_site(view);
+ char *time = NULL;
+ update_times(self, view, site, &time);
+ aweather_view_set_time(view, time);
+ g_free(time);
}
-static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
+/***********
+ * Methods *
+ ***********/
+AWeatherRadar *aweather_radar_new(AWeatherGui *gui)
{
- g_message("radar:expose");
- Sweep *sweep = cur_sweep;
+ 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);
+
+ /* Add configuration tab */
+ 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"));
+ 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), self);
+ g_signal_connect(view, "time-changed", G_CALLBACK(on_time_changed), self);
+ g_signal_connect(view, "refresh", G_CALLBACK(on_refresh), self);
+
+ return self;
+}
+
+static void _aweather_radar_expose(AWeatherPlugin *_self)
+{
+ AWeatherRadar *self = AWEATHER_RADAR(_self);
+ g_debug("AWeatherRadar: expose");
+ if (self->cur_sweep == NULL)
+ return;
+ Sweep *sweep = self->cur_sweep;
/* Draw the rays */
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
- glBindTexture(GL_TEXTURE_2D, sweep_tex);
+ 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+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;
/* (find middle of bin) / scale for opengl */
// near left
- glTexCoord2f(0.0, (double)ri/sweep->h.nrays);
+ glTexCoord2f(0.0, (double)ri/sweep->h.nrays-0.01);
glVertex3f(lx*near_dist, ly*near_dist, 2.0);
// far left
- glTexCoord2f(1.0, (double)ri/sweep->h.nrays);
+ glTexCoord2f(1.0, (double)ri/sweep->h.nrays-0.01);
glVertex3f(lx*far_dist, ly*far_dist, 2.0);
}
//g_print("ri=%d, nr=%d, bw=%f\n", _ri, sweep->h.nrays, sweep->h.beam_width);
/* Texture debug */
//glBegin(GL_QUADS);
- //glTexCoord2d( 0., 0.); glVertex3f(-1., 0., 0.); // bot left
- //glTexCoord2d( 0., 1.); glVertex3f(-1., 1., 0.); // top left
- //glTexCoord2d( 1., 1.); glVertex3f( 0., 1., 0.); // top right
- //glTexCoord2d( 1., 0.); glVertex3f( 0., 0., 0.); // bot right
+ //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();
/* Print the color table */
- //glDisable(GL_TEXTURE_2D);
- //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
- //}
- //glEnd();
- //glMatrixMode(GL_PROJECTION); glPopMatrix();
- //glMatrixMode(GL_MODELVIEW ); glPopMatrix();
-
- return FALSE;
-}
-
-gboolean radar_init(GtkDrawingArea *_drawing, GtkNotebook *config)
-{
- drawing = GTK_WIDGET(_drawing);
-
- /* 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");
-
- /* Add configuration tab */
- 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);
- }
+ 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
}
- GtkWidget *label = gtk_label_new("Radar");
- gtk_notebook_append_page(GTK_NOTEBOOK(config), hbox, label);
-
- /* 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]);
-
- return TRUE;
+ glEnd();
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_ALPHA_TEST);
+ glMatrixMode(GL_PROJECTION); glPopMatrix();
+ glMatrixMode(GL_MODELVIEW ); glPopMatrix();
}