option = {

    tooltip : {

        trigger: 'item'

    },

    toolbox: {

        show : true,

        feature : {

            mark : {show: true},

            dataZoom : {show: true},

            dataView : {show: true, readOnly: false},

            restore : {show: true},

            saveAsImage : {show: true}

        }

    },

    dataRange: {

        min: 0,

        max: 100,

        y: 'center',

        text:['高','低'],           // 文本，默认为数值文本

        color:['lightgreen','yellow'],

        calculable : true

    },

    xAxis : [

        {

            type : 'value',

            scale : true

        }

    ],

    yAxis : [

        {

            type : 'value',

            position:'right',

            scale : true

        }

    ],

    animation: false,

    series : [

        {

            name:'scatter1',

            type:'scatter',

            symbolSize:5,

            data: (function () {

                var d = [];

                var len = 500;

                var value;

                while (len--) {

                    value = (Math.random()*100).toFixed(2) - 0;

                    d.push([

                        (Math.random()*value + value).toFixed(2) - 0,

                        (Math.random()*value).toFixed(2) - 0,

                        value

                    ]);

                }

                return d;

            })()

        }

    ]

};