[Gpredict-svn] SF.net SVN: gpredict:[700] trunk/src/gtk-polar-view.c

[<aa...@us...>]

Revision: 700
          http://gpredict.svn.sourceforge.net/gpredict/?rev=700&view=rev
Author:   aa1vs
Date:     2010-10-31 23:37:25 +0000 (Sun, 31 Oct 2010)

Log Message:
-----------
Catch if pass has no points before making polar view

Modified Paths:
--------------
    trunk/src/gtk-polar-view.c

Modified: trunk/src/gtk-polar-view.c
===================================================================
--- trunk/src/gtk-polar-view.c	2010-10-31 15:06:50 UTC (rev 699)
+++ trunk/src/gtk-polar-view.c	2010-10-31 23:37:25 UTC (rev 700)
@@ -1005,6 +1005,12 @@
           
         /* create points */
         num = g_slist_length (obj->pass->details);
+        if (num == 0) {
+               sat_log_log (SAT_LOG_LEVEL_BUG,
+                               _("%s:%d: Pass had no points in it."),
+                               __FILE__, __LINE__);
+               return;
+          }
 
         points = goo_canvas_points_new (num);
 
@@ -1145,6 +1151,12 @@
 
     /* create points */
     num = g_slist_length (obj->pass->details);
+    if (num == 0) {
+        sat_log_log (SAT_LOG_LEVEL_BUG,
+                     _("%s:%d: Pass had no points in it."),
+                     __FILE__, __LINE__);
+        return;
+    }
 
     /* time resolution for time ticks; we need
                    3 additional points to AOS and LOS ticks.
@@ -1152,7 +1164,9 @@
     tres = (num-2) / (TRACK_TICK_NUM-1);
 
     points = goo_canvas_points_new (num);
+    
 
+    
     /* first point should be (aos_az,0.0) */
     azel_to_xy (pv, obj->pass->aos_az, 0.0, &x, &y);
     points->coords[0] = (double) x;


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