filter out extra features

Author: emilykl

src/lib/geo_location_utils.js

@@ -62,7 +62,7 @@ function locationToFeature(locationmode, location, features) {
 
         for(i = 0; i < filteredFeatures.length; i++) {
             f = filteredFeatures[i];
-            if(f.id === locationId) return f;
+            if(f.id === locationId && isMainCountryFeature(f)) return f;
         }
 
         loggers.log([
@@ -74,6 +74,18 @@ function locationToFeature(locationmode, location, features) {
     return false;
 }
 
+function isMainCountryFeature(feature) {
+    // Returns false for certain features which are not the main region of their country
+    if(feature.id === 'USA') {
+        if(feature.properties && feature.properties.ct && feature.properties.ct[0] == -155.5 &&
+            feature.properties.ct[1] == 19.6) {
+            // Hawaii
+            return false;
+        }
+    }
+    return true;
+}
+
 function feature2polygons(feature) {
     var geometry = feature.geometry;
     var coords = geometry.coordinates;