#134

src/renderer/loaders/groundnet_writer.js

@@ -215,31 +215,33 @@ exports.writeGroundnetXML = function (fDir, icao, featureList) {
                 }
             });
             var gap = gapEnd - gapStart -1;
+            if ( gap >= 0 ) {
+                parkings = parkings.map(n => {
+                    if (n['@index']>gapStart) {
+                        n['@index'] = String(n['@index'] - gap);
+                    }
+                    if (n['@pushbackRoute']>gapStart) {
+                        n['@pushbackRoute'] = String(n['@pushbackRoute'] - gap);
+                    }
+                    return n;
+                 });
+                uniqueNodes = uniqueNodes.map(n => {
+                    if (n['@index']>gapStart) {
+                        n['@index'] = String(n['@index'] - gap);
+                    }
+                    return n;
+                 });
+                arcList = arcList.map(n => {
+                    if (n['@begin']>gapStart) {
+                        n['@begin'] = String(n['@begin'] - gap);
+                    }
+                    if (n['@end']>gapStart) {
+                        n['@end'] = String(n['@end'] - gap);
+                    }
+                    return n;
+                 });
+            }
 
-            parkings = parkings.map(n => { 
-                if (n['@index']>gapStart) {
-                    n['@index'] = String(n['@index'] - gap);                
-                }
-                if (n['@pushbackRoute']>gapStart) {
-                    n['@pushbackRoute'] = String(n['@pushbackRoute'] - gap);                
-                }
-                return n;
-             });
-            uniqueNodes = uniqueNodes.map(n => { 
-                if (n['@index']>gapStart) {
-                    n['@index'] = String(n['@index'] - gap);                
-                }
-                return n;
-             });
-            arcList = arcList.map(n => { 
-                if (n['@begin']>gapStart) {
-                    n['@begin'] = String(n['@begin'] - gap);                
-                }
-                if (n['@end']>gapStart) {
-                    n['@end'] = String(n['@end'] - gap);                
-                }
-                return n;
-             });    
         } while( gapStart > 0 && gapEnd > 0);
 
         var xmlObj = { groundnet: { version: 1, fgaversion: version, name: name,