Fix some tracks elevation profile may display no altitude, despite all altitudes...

If it can't work out the average for the trackseg, use last known value rather than resorting to default value (zero).

diff --git a/src/viktrack.c b/src/viktrack.c
index 236d5e290cec6f397cd6a5b27d6649948cc645d1..a35aca8e5d103605b795102b143edfb7a6e5432b 100644 (file)
--- a/src/viktrack.c
+++ b/src/viktrack.c
@@ -412,7 +412,8 @@ gdouble *vik_track_make_elevation_map ( const VikTrack *tr, guint16 num_chunks )
        **/
 
       if ( ignore_it )
        **/
 
       if ( ignore_it )

-        pts[current_chunk] = VIK_DEFAULT_ALTITUDE;
+       // Seemly can't determine average for this section - so use last known good value (much better than just sticking in zero)
+        pts[current_chunk] = altitude1;

       else
         pts[current_chunk] = altitude1 + (altitude2-altitude1)*((dist_along_seg - (chunk_length/2))/current_seg_length);
 
       else
         pts[current_chunk] = altitude1 + (altitude2-altitude1)*((dist_along_seg - (chunk_length/2))/current_seg_length);