245Echarts - 3D 散点图（Scatter3D - Simplex Noise）

$.getScript('vendors/simplex.js').done(function () {
var noise = new SimplexNoise(Math.random);
function generateData(theta, min, max) {
    var data = [];
    for (var i = 0; i <= 20; i++) {
        for (var j = 0; j <= 20; j++) {
            for (var k = 0; k <= 20; k++) {
                var value = noise.noise3D(i / 10, j / 10, k / 10);
                valMax = Math.max(valMax, value);
                valMin = Math.min(valMin, value);
                data.push([i, j, k, value * 2 + 4]);
            }
        }
    }
    return data;
}
var valMin = Infinity;
var valMax = -Infinity;
var data = generateData(2, -5, 5);
console.log(valMin, valMax);
myChart.setOption(option = {
    visualMap: {
        show: false,
        min: 2,
        max: 6,
        inRange: {
            symbolSize: [0.5, 25],
            color: ['#313695', '#4575b4', '#74add1', '#abd9e9', '#e0f3f8', '#ffffbf', '#fee090', '#fdae61', '#f46d43', '#d73027', '#a50026'],
            colorAlpha: [0.2, 1]
        }
    },
    xAxis3D: {
        type: 'value'
    },
    yAxis3D: {
        type: 'value'
    },
    zAxis3D: {
        type: 'value'
    },
    grid3D: {
        axisLine: {
            lineStyle: { color: '#fff' }
        },
        axisPointer: {
            lineStyle: { color: '#fff' }
        },
        viewControl: {
            // autoRotate: true
        }
    },
    series: [{
        type: 'scatter3D',
        data: data
    }]
});
});