Differentiating international and national hiking routes

src/components/gpx/styles.ts

@@ -333,6 +333,9 @@ const styles = {
       //   });
       // }
       const network = feature.get('network');
+      if (getZoomInteger() < 7 && !['iwn'].includes(network)) {
+        return null;
+      }
       if (getZoomInteger() < 12 && !['iwn', 'nwn'].includes(network)) {
         return null;
       }