X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=src%2Fplugin-radar.c;h=4e4376de7818888c8eb2f4443cf50c6090849de1;hb=472b8362101f7d2712a32a30af3c4fd7b5637aa4;hp=269383302db2bd1e38ae1b92a2b254f26ab28a45;hpb=b7d744b437ea8794e3483cc10906de51e0f49136;p=grits diff --git a/src/plugin-radar.c b/src/plugin-radar.c index 2693833..4e4376d 100644 --- a/src/plugin-radar.c +++ b/src/plugin-radar.c @@ -30,30 +30,17 @@ 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) { @@ -72,12 +59,16 @@ 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 + } } } @@ -89,17 +80,9 @@ static void bscan_sweep(Sweep *sweep, guint8 **data, int *width, int *height) 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 */ @@ -110,16 +93,17 @@ static void load_sweep(Sweep *sweep) 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); } @@ -137,19 +121,22 @@ static void load_radar_gui(Radar *radar) for (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--) { + GtkWidget *vbox = gtk_vbox_new(FALSE, 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); + 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); + 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_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); @@ -164,14 +151,24 @@ static void load_radar_rsl(GPid pid, gint status, gpointer _path) 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) { @@ -214,8 +211,11 @@ static void load_radar(char *path, gpointer user_data) 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); } } @@ -281,12 +281,15 @@ static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data) 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); @@ -304,20 +307,32 @@ static void set_time(AWeatherView *view, char *time, gpointer user_data) 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); } static void set_site(AWeatherView *view, char *site, gpointer user_data) { g_message("Loading wsr88d list for %s", site); + cur_sweep = NULL; // Clear radar + + 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; - 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); + gtk_widget_queue_draw(aweather_gui_get_widget(gui, "drawing")); 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); @@ -325,18 +340,22 @@ static void set_site(AWeatherView *view, char *site, gpointer user_data) GtkListStore *lstore = GTK_LIST_STORE(gtk_tree_view_get_model(tview)); gtk_list_store_clear(lstore); radar = NULL; - char *time = NULL; + 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); - time = parts[1]+5; - GtkTreeIter iter; + 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 (time != NULL) - aweather_view_set_time(view, time); + char *time = NULL; + gtk_tree_model_get(GTK_TREE_MODEL(lstore), &iter, 0, &time, -1); + aweather_view_set_time(view, time); + g_free(time); + g_free(data); + g_strfreev(lines); } /* Init */ @@ -344,14 +363,17 @@ 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); + 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")); + 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);