public MandelbrotPlotter(int width, int height, int iterations, double zoom, PointD coords, Colorset colorset)
 {
     Width      = width;
     Height     = height;
     Iterations = iterations;
     Zoom       = zoom;
     Coords     = coords;
     Colors     = colorset;
 }
 public GPUMandelbrotPlotter(int width, int height, int iterations, double zoom, PointD coords, Colorset colorset)
     : base(width, height, iterations, zoom, coords, colorset)
 {
     Setup();
 }