/*
title: Stage Speed Gauge
titleCN: 阶段速度仪表盘
category: gauge
difficulty: 3
*/

option = {
    series: [{
        type: 'gauge',
        axisLine: {
            lineStyle: {
                width: 30,
                color: [
                    [0.3, '#67e0e3'],
                    [0.7, '#37a2da'],
                    [1, '#fd666d']
                ]
            }
        },
        pointer: {
            itemStyle: {
                color: 'auto'
            }
        },
        axisTick: {
            distance: -30,
            length: 8,
            lineStyle: {
                color: '#fff',
                width: 2
            }
        },
        splitLine: {
            distance: -30,
            length: 30,
            lineStyle: {
                color: '#fff',
                width: 4
            }
        },
        axisLabel: {
            color: 'auto',
            distance: 40,
            fontSize: 20
        },
        detail: {
            valueAnimation: true,
            formatter: '{value} km/h',
            color: 'auto'
        },
        data: [{
            value: 70
        }]
    }]
};

setInterval(function () {
    option.series[0].data[0].value = (Math.random() * 100).toFixed(2) - 0;
    myChart.setOption(option, true);
}, 2000);