X-Git-Url: https://git.street.me.uk/andy/viking.git/blobdiff_plain/41020f9d846a22585d277e92ef079d0e1dc1aa9d..ab4553c3321e7d41330252da08d42a4c3b558110:/src/vikwebtoolcenter.c

diff --git a/src/vikwebtoolcenter.c b/src/vikwebtoolcenter.c
index cabc2ea5..7ba2ad77 100644
--- a/src/vikwebtoolcenter.c
+++ b/src/vikwebtoolcenter.c
@@ -207,7 +207,11 @@ static guint8 webtool_center_mpp_to_zoom ( VikWebtool *self, gdouble mpp ) {
       return i;
     }
   }
-  return 255;
+  // Handle mpp smaller than 1
+  // return a useful value such that '17 - this number' gives a natural number.
+  // Ideally should return '-1' or '0.5' but that's tricky with an unsigned int type!
+  // (i.e. should rework to support zoom levels of 18 or 19)
+  return 0;
 }
 
 static gchar *webtool_center_get_url ( VikWebtool *self, VikWindow *vwindow )