docs: public static CalibrationDetectorCircleHexagonalGrid circleHexagonalGrid( @Nullable ConfigCircleHexagonalGrid config ,
  																			 ConfigGridDimen configGrid ) {
  		if( config == null )
  			config = new ConfigCircleHexagonalGrid();
  		config.checkValidity();
  
  		return new CalibrationDetectorCircleHexagonalGrid(config,configGrid);
  	}