var Point3Dc = function (a,b,c) {
	var that= {};
	that.x = a;
	that.y = b;
	that.z =c;
	
	that.getX3D = function () {
		return that.x;
	}
	that.getY3D = function () {
		return that.y;
	}
	that.getZ3D = function () {
		return that.z;
	}
	
	return that;
};