message: Fix z-fighting for background planes.
diff: @@ -1389,7 +1389,8 @@ export class TileGeometryCreator {
  });
  const material = new MapMeshBasicMaterial({
  color,
  - visible: true
  + visible: true,
  + depthWrite: false
  });
  const bufferGeometry = new THREE.BufferGeometry();
  bufferGeometry.fromGeometry(g);
  @@ -1435,7 +1436,8 @@ export class TileGeometryCreator {
  // TODO cache the material HARP-4207
  const material = new MapMeshBasicMaterial({
  color: colorHex,
  - visible: isVisible
  + visible: isVisible,
  + depthWrite: false
  });
  const plane = new THREE.Mesh(geometry, material);
  plane.position.copy(planeCenter);
  