message: small fix batch gaze and up
diff: @@ -111,7 +111,7 @@ void BatchContext::addToCommandLine(std::shared_ptr<CLI::App> app) {
  return true;
  },
  "Set the camera up vector"
  - );
  + )->expected(3);
  app->add_option(
  "--format",
  optImageFormat,
  @@ -485,7 +485,7 @@ void BatchContext::updateCamera()
  if (cmdlCam) {
  camera["position"] = pos;
  - camera["direction"] = normalize(gaze - pos);
  + camera["direction"] = gaze;
  camera["up"] = up;
  }
  