var coordinateHelper = {
    /**
    * @description 得到最优坐标间隔
    */
    GetOptimalSpace(refSpace) {

        if (refSpace < 0.000001) {
            return 1;
        }
        if (refSpace < 0.01) {
            var refSpace2 = refSpace * 100;
            return coordinateHelper.GetOptimalSpace(refSpace2) / 100;
        }
        else if (refSpace < 0.1) {
            var refSpace2 = refSpace * 10;
            return coordinateHelper.GetOptimalSpace(refSpace2) / 10;
        }
        else if (refSpace < 1) {
            if (refSpace < 0.15)
                return 0.1;
            else if (refSpace < 0.22)
                return 0.2;
            //else if (refSpace < 0.32)
            //    return 0.25;
            else if (refSpace < 0.6)
                return 0.5;
            //else if (refSpace < 0.85)
            //    return 0.75;
            else
                return 1;
        }

        else if (refSpace < 3) {
            if (refSpace < 1.2)
                return 1;
            //else if (refSpace < 1.7)
            //    return 1.5;
            else if (refSpace < 2.3)
                return 2;
            //else if (refSpace < 2.7)
            //    return 2.5;
            else
                return 3;
        }
        else if (refSpace < 11) {
            if (refSpace < 5.5)
                return 5;
            //else if (refSpace < 6.5)
            //    return 6;
            //else if (refSpace < 7.8)
            //    return 7.5;
            else if (refSpace < 8.5)
                return 8;
            else
                return 10;
        }
        else if (refSpace < 16)
            return 15;
        else if (refSpace < 22)
            return 20;
        else if (refSpace < 35)
            return 25;
        else if (refSpace < 41)
            return 40;
        else if (refSpace < 51)
            return 50;
        else if (refSpace < 61)
            return 60;
        else if (refSpace < 71)
            return 70;
        else if (refSpace < 78)
            return 75;
        else if (refSpace < 150)
            return 100;
        else if (refSpace < 230)
            return 200;
        else if (refSpace < 270) {
            return 250;
        }
        else {
            if (refSpace < 1500) {
                var a = Math.ceil(refSpace / 100);
                return a * 100;
            }
            else {
                var a = Math.ceil(refSpace / 1000);
                return a * 1000;
            }
        }

    }

}

export default coordinateHelper