Method compareToReferenceImage

tutorials/common/tutorial/tutorial.cpp:646–660

  }

  void TutorialApplication::compareToReferenceImage(const FileName& fileName)
  {
    resize(width,height);
    ISPCCamera ispccamera = camera.getISPCCamera(width,height);
    initRayStats();
    
    for (unsigned int i=0; i<numFrames; i++)
      render(pixels,width,height,render_time,ispccamera);

    Ref<Image> image = new Image4uc(width, height, (Col4uc*)pixels);
    Ref<Image> reference = loadImage(fileName);
    const double error = compareImages(image,reference);
    if (error > referenceImageThreshold) // error corresponds roughly to number of pixels that are completely off in color
      throw std::runtime_error("reference image differs by " + std::to_string(error));
  }

  void TutorialApplication::set_parameter(size_t parm, ssize_t val) {
    rtcSetDeviceProperty(nullptr,(RTCDeviceProperty)parm,val);