X-Git-Url: https://git.street.me.uk/andy/viking.git/blobdiff_plain/fffcc269ddb7ea0b688ffc2744f7b710453bcb04..a129aa51e2160d7bda45e8b57ee7a8f28e83a84b:/src/vikwaypoint.c?ds=inline

diff --git a/src/vikwaypoint.c b/src/vikwaypoint.c
index 48cd2f2f..8504185c 100644
--- a/src/vikwaypoint.c
+++ b/src/vikwaypoint.c
@@ -26,6 +26,7 @@
 #include "vikwaypoint.h"
 #include "globals.h"
 #include "garminsymbols.h"
+#include "dems.h"
 #include <glib/gi18n.h>
 
 VikWaypoint *vik_waypoint_new()
@@ -127,6 +128,8 @@ VikWaypoint *vik_waypoint_copy(const VikWaypoint *wp)
   new_wp->coord = wp->coord;
   new_wp->visible = wp->visible;
   new_wp->altitude = wp->altitude;
+  new_wp->has_timestamp = wp->has_timestamp;
+  new_wp->timestamp = wp->timestamp;
   vik_waypoint_set_name(new_wp,wp->name);
   vik_waypoint_set_comment(new_wp,wp->comment);
   vik_waypoint_set_description(new_wp,wp->description);
@@ -135,6 +138,28 @@ VikWaypoint *vik_waypoint_copy(const VikWaypoint *wp)
   return new_wp;
 }
 
+/**
+ * vik_waypoint_apply_dem_data:
+ * @wp:            The Waypoint to operate on
+ * @skip_existing: When TRUE, don't change the elevation if the waypoint already has a value
+ *
+ * Set elevation data for a waypoint using available DEM information
+ *
+ * Returns: TRUE if the waypoint was updated
+ */
+gboolean vik_waypoint_apply_dem_data ( VikWaypoint *wp, gboolean skip_existing )
+{
+  gboolean updated = FALSE;
+  if ( !(skip_existing && wp->altitude != VIK_DEFAULT_ALTITUDE) ) {
+    gint16 elev = a_dems_get_elev_by_coord ( &(wp->coord), VIK_DEM_INTERPOL_BEST );
+    if ( elev != VIK_DEM_INVALID_ELEVATION ) {
+      wp->altitude = (gdouble)elev;
+      updated = TRUE;
+    }
+  }
+  return updated;
+}
+
 /*
  * Take a Waypoint and convert it into a byte array
  */