<br />
<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_ha4inscvcr8t63h4vc5uq5l2cv, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
<br />
<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
  settable WidthAndHeight maskSize;
  new MultiSet<A> labels;

  // default mask size
  { maskSize(16); }
  
  selfType maskSize(int size) {
    ret maskSize(widthAndHeight(size));
  }
  
  Image2B regionToMaskImage(IImageRegion region) {
    ret toImage2B(scaledIBinaryImage(maskSize, regionToIBinaryImage(region)));
  }
  
  public L<Image2B> maskImages() {
    ret map(masks(), mask -> mask.image());
  }
  
  BufferedImage masksSquare() {
    ret mergeBufferedImagesAsSquare(allToBufferedImage(maskImages()));
  }
  
  toString {
    ret renderVars(shortClassName(this), +maskSize, masks := n2(masks));
  }
  
  simplyCached public FloatBWImage ghost() {
    ret preciseAverageOfBinaryImages(maskImages());
  }
  
  simplyCached public double certainty() {
    ret preciseCertaintyImage(ghost()).averageBrightness();
  }