anchor.diff:          when XPix > 0, YPix > 0 ->
   
       %% get iteration count for this point
  -    NewPoint = compute_points:compute_iteration_value( maps:get(fractalAlg,ConfigMap),
  -                                      maps:get(cReal,ConfigMap),
  -                                      maps:get(cImaginary,ConfigMap),
  +    NewPoint = compute_points:compute_iteration_value( maps:get(fractalAlg, ConfigMap),
  +                                      maps:get(cReal, ConfigMap),
  +                                      maps:get(cImaginary, ConfigMap),
                                         XR,
                                         YI,
                                         0,          %iteration count starts at zero
  -                                      maps:get(maxIterationThreshold,ConfigMap),
  -                                      maps:get(bailoutThreshold,ConfigMap)
  +                                      maps:get(maxIterationThreshold, ConfigMap),
  +                                      maps:get(bailoutThreshold, ConfigMap)
                                         ),
   
       NewRowData = [ NewPoint | RowData ],
  
positive.code:         when XPix > 0, YPix > 0 ->
  
      %% get iteration count for this point
      NewPoint = compute_points:compute_iteration_value( maps:get(fractalAlg,ConfigMap),
                                        maps:get(cReal,ConfigMap),
                                        maps:get(cImaginary,ConfigMap),
                                        XR,
                                        YI,
                                        0,          %iteration count starts at zero
                                        maps:get(maxIterationThreshold,ConfigMap),
                                        maps:get(bailoutThreshold,ConfigMap)
                                        ),
  
      NewRowData = [ NewPoint | RowData ],
  
negative.code:     % reset to begining of next row
      NewRowData = [],                                 % reset data for row to empty
      NewXPix    = Width,                              % reset to end of line
      NewXR      = maps:get(xRealRight, ConfigMap),     % reset to end of line
      NewYPix    = YPix - 1,                           % increment row
      NewYI      = YI - DeltaY,                          % increment row
      computeFractalData( NewRows, NewRowData,
                     NewXPix, NewXR, DeltaX, Width,
                     NewYPix, NewYI, DeltaY, Height,
                     ConfigMap);
  
  computeFractalData( Rows, RowData,       % row data computed so far
  