!7

static int g = 20;

p {
  final RGBImage img = rgbShootScreen();
  final int gw = img.w()/g, gh = img.h()/g;
  final BWImage map = new BWImage(gw, gh);
  for y to gh: for x to gw: {
    Rect r = new Rect(x*g, y*g, g, g);
    float prec = rgbLocalPrecision(img, r);
    print(prec);
    map.setPixel(x, y, 1-prec);
  }
  awt {
    showZoomedImage(map, 4);
    final RGBImage img2 = rgbResize(img, gw, gh);
    moveFrameDown(100, showZoomedImage(img2, 4);
  }
}