code: public Point2D_F64 getCenter() {
  		Rectangle r = getVisibleRect();
  		
  		double x = (r.x+r.width/2)/scale;
  		double y = (r.y+r.height/2)/scale;
  
  		return new Point2D_F64(x,y);
  	}
docs: The center pixel in the current view at a scale of 1