var CONST = { 
ORTHOGONAL: 0,
ISOMETRIC: 1,
STAGGERED: 2,
HEXAGONAL: 3,
fromOrientationString: function (orientation){ 
orientation = orientation.toLowerCase(); 
if (orientation === 'isometric') { 
return CONST.ISOMETRIC; 
} 
 else if (orientation === 'staggered') { 
return CONST.STAGGERED; 
} 
 else if (orientation === 'hexagonal') { 
return CONST.HEXAGONAL; 
} 
 else { 
return CONST.ORTHOGONAL; 
} 
} 
}
; 
module.exports = CONST;