echarts利用uv绘制圆柱

uv.js

series: [{
    type: "surface",
    name: "围栏模型",
    parametric: true,
    itemStyle: {
        opacity: 1,
        color: "#313695"
    },

    parametricEquation: {
        u: {
            min: 0,
            max: 2 * Math.PI,
            step: 0.1
        },
        v: {
            min: 0,
            max: height,
            step: height / 10
        },
        x: function(u, v) {
            return 100 - Math.cos(u) * 10;
        },
        y: function(u, v) {
            return 100 - Math.sin(u) * 10;
        },
        z: function(u, v) {
            return v;
        }
    }
}]