Adding copyright statements and a few bug fixes (hacks) for shading radar data

[grits] / src / plugin-radar.c

diff --git a/src/plugin-radar.c b/src/plugin-radar.c
index 1fe30f6bcc936a96613dfbb088f2a80d029d4af6..1000b6e5fbcc5cc01b9143013848c00135a67069 100644 (file)
--- a/src/plugin-radar.c
+++ b/src/plugin-radar.c
@@ -1,3 +1,20 @@
+/*
+ * 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>
@@ -31,9 +48,9 @@ static guint8 get_alpha(guint8 db)
        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);
+       if      (db > 60) return 0;
+       else if (db < 10) return 0;
+       else if (db < 25) return (db-10)*(255.0/15);
        else              return 255;
 }
 
@@ -173,14 +190,16 @@ static void load_radar(char *path, gpointer user_data)
        if (g_file_test(raw, G_FILE_TEST_EXISTS)) {
                load_radar_rsl(0, 0, raw);
        } else {
-               char *argv[] = {"./wsr88ddec", path, raw, NULL};
+               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_DO_NOT_REAP_CHILD, // GSpawnFlags flags,
+                       G_SPAWN_SEARCH_PATH|
+                       G_SPAWN_DO_NOT_REAP_CHILD, 
+                                // GSpawnFlags flags,
                        NULL,    // GSpawnChildSetupFunc child_setup,
                        NULL,    // gpointer user_data,
                        &pid,    // GPid *child_pid,
@@ -207,6 +226,7 @@ static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
        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++) {
@@ -246,6 +266,7 @@ static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
 
        /* 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);
@@ -258,6 +279,8 @@ static gboolean expose(GtkWidget *da, GdkEventExpose *event, gpointer user_data)
                glVertex3f(-0.9, (float)((i  ) - nred/2)/(nred/2), 0.0); // bot right
        }
        glEnd();
+       glEnable(GL_DEPTH_TEST);
+       glEnable(GL_ALPHA_TEST);
         glMatrixMode(GL_PROJECTION); glPopMatrix(); 
        glMatrixMode(GL_MODELVIEW ); glPopMatrix();
        return FALSE;