cleanup round

lib/widgets/map/camera_markers.dart

@@ -70,8 +70,7 @@ class CameraMarkersBuilder {
     final markers = <Marker>[
       // Camera markers
       ...cameras
-        .where((n) => n.coord.latitude != 0 || n.coord.longitude != 0)
-        .where((n) => n.coord.latitude.abs() <= 90 && n.coord.longitude.abs() <= 180)
+        .where(_isValidCameraCoordinate)
         .map((n) => Marker(
           point: n.coord,
           width: 24,
@@ -91,4 +90,10 @@ class CameraMarkersBuilder {
 
     return markers;
   }
+
+  static bool _isValidCameraCoordinate(OsmCameraNode node) {
+    return (node.coord.latitude != 0 || node.coord.longitude != 0) &&
+           node.coord.latitude.abs() <= 90 && 
+           node.coord.longitude.abs() <= 180;
+  }
 }

lib/widgets/map/direction_cones.dart

@@ -28,21 +28,31 @@ class DirectionConesBuilder {
     // Add cones for cameras with direction
     overlays.addAll(
       cameras
-        .where((n) => n.hasDirection && n.directionDeg != null)
-        .where((n) => n.coord.latitude != 0 || n.coord.longitude != 0)
-        .where((n) => n.coord.latitude.abs() <= 90 && n.coord.longitude.abs() <= 180)
+        .where(_isValidCameraWithDirection)
         .map((n) => _buildCone(
           n.coord, 
           n.directionDeg!, 
           zoom,
-          isPending: n.tags.containsKey('_pending_upload') && 
-                     n.tags['_pending_upload'] == 'true',
+          isPending: _isPendingUpload(n),
         ))
     );
     
     return overlays;
   }
 
+  static bool _isValidCameraWithDirection(OsmCameraNode node) {
+    return node.hasDirection && 
+           node.directionDeg != null &&
+           (node.coord.latitude != 0 || node.coord.longitude != 0) &&
+           node.coord.latitude.abs() <= 90 && 
+           node.coord.longitude.abs() <= 180;
+  }
+
+  static bool _isPendingUpload(OsmCameraNode node) {
+    return node.tags.containsKey('_pending_upload') && 
+           node.tags['_pending_upload'] == 'true';
+  }
+
   static Polygon _buildCone(
     LatLng origin, 
     double bearingDeg,