X-Git-Url: http://pileus.org/git/?p=grits;a=blobdiff_plain;f=src%2Fplugin-radar.c;h=355f93d0431dec7e78fae315f167342625af81a3;hp=6adcfa9983a54e4f86ffa45c30f0ebe138e13160;hb=a5c578c4ab1311302308ac0d7f3f567f0d0520fc;hpb=f21f94748e256058ee09dfe145c06c28473695fb diff --git a/src/plugin-radar.c b/src/plugin-radar.c index 6adcfa9..355f93d 100644 --- a/src/plugin-radar.c +++ b/src/plugin-radar.c @@ -1,54 +1,60 @@ +/* + * Copyright (C) 2009 Andy Spencer + * + * 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 . + */ + #include #include +#include #include #include +#include -#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 * + ****************/ +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_class_init(AWeatherRadarClass *klass) +{ + GObjectClass *object_class = (GObjectClass*)klass; +} +static void aweather_radar_plugin_init(AWeatherPluginInterface *iface) +{ + /* Add methods to the interface */ + iface->expose = _aweather_radar_expose; +} +static void aweather_radar_init(AWeatherRadar *radar) +{ + /* Set defaults */ + radar->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) +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; @@ -65,12 +71,16 @@ 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 + } } } @@ -81,67 +91,364 @@ static void bscan_sweep(Sweep *sweep, guint8 **data, int *width, int *height) } /* 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; + 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, "%s:", 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, "%.2f°", 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, 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(self->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); +} + +/***************** + * 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); } -/* Load the default sweep */ -static gboolean configure(GtkWidget *da, GdkEventConfigure *event, gpointer user_data) +static void cached_cb(char *path, gboolean updated, gpointer _self) { - Sweep *first = (Sweep*)user_data; - if (cur_sweep == NULL) - load_sweep(first); - return FALSE; + 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_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) +{ + 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; + aweather_gui_gl_redraw(self->gui); + + /* Start loading the new radar */ + cache_file(base, path, AWEATHER_AUTOMATIC, cached_cb, self); + g_free(path); } -static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data) +static void on_site_changed(AWeatherView *view, char *site, gpointer _self) { - g_message("radar:expose"); - Sweep *sweep = cur_sweep; + AWeatherRadar *self = AWEATHER_RADAR(_self); + g_debug("AWeatherRadar: on_site_changed - Loading wsr88d list for %s", site); + char *time = NULL; + update_times(self, site, &time); + aweather_view_set_time(view, time); + + g_free(time); +} + +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(self, site, &time); + aweather_view_set_time(view, time); + g_free(time); +} + +/*********** + * Methods * + ***********/ +AWeatherRadar *aweather_radar_new(AWeatherGui *gui) +{ + 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); @@ -150,75 +457,32 @@ static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data) /* 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 *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); - } + 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_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); - - /* 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(); }