var data = [];
// Parametric curve
for (var t = 0; t < 25; t += 0.001) {
    var x = (1 + 0.25 * Math.cos(75 * t)) * Math.cos(t);
    var y = (1 + 0.25 * Math.cos(75 * t)) * Math.sin(t);
    var z = t + 2.0 * Math.sin(75 * t);
    data.push([x, y, z]);
}
console.log(data.length);

option = {
    tooltip: {},
    backgroundColor: '#fff',
    visualMap: {
        show: false,
        dimension: 2,
        min: 0,
        max: 30,
        inRange: {
            color: ['#313695', '#4575b4', '#74add1', '#abd9e9', '#e0f3f8', '#ffffbf', '#fee090', '#fdae61', '#f46d43', '#d73027', '#a50026']
        }
    },
    xAxis3D: {
        type: 'value'
    },
    yAxis3D: {
        type: 'value'
    },
    zAxis3D: {
        type: 'value'
    },
    grid3D: {
        viewControl: {
            projection: 'orthographic'
        }
    },
    series: [{
        type: 'line3D',
        data: data,
        lineStyle: {
            width: 4
        }
    }]
};