
$.getJSON(ROOT_PATH + 'data-gl/asset/data/population.json', function (data) {

    data = data.filter(function (dataItem) {
        return dataItem[2] > 0;
    }).map(function (dataItem) {
        return [dataItem[0], dataItem[1], Math.sqrt(dataItem[2])];
    });

    myChart.setOption({
        visualMap: {
            show: false,
            min: 0,
            max: 60,
            inRange: {
                symbolSize: [1.0, 10.0]
            }
        },
        globe: {

            environment: ROOT_PATH + 'data-gl/asset/starfield.jpg',

            heightTexture: ROOT_PATH + 'data-gl/asset/bathymetry_bw_composite_4k.jpg',

            displacementScale: 0.05,
            displacementQuality: 'high',

            globeOuterRadius: 100,

            baseColor: '#000',

            shading: 'realistic',
            realisticMaterial: {
                roughness: 0.2,
                metalness: 0
            },

            postEffect: {
                enable: true,
                depthOfField: {
                    focalRange: 15,
                    enable: true,
                    focalDistance: 100
                }
            },
            temporalSuperSampling: {
                enable: true
            },
            light: {
                ambient: {
                    intensity: 0
                },
                main: {
                    intensity: 0.1,
                    shadow: false
                },
                ambientCubemap: {
                    texture: ROOT_PATH + 'data-gl/asset/lake.hdr',
                    exposure: 1,
                    diffuseIntensity: 0.5,
                    specularIntensity: 2
                }
            },
            viewControl: {
                autoRotate: false,
                beta: 180,
                alpha: 20,
                distance: 100
            }
        },
        series: {
            type: 'scatter3D',
            coordinateSystem: 'globe',
            blendMode: 'lighter',
            symbolSize: 2,
            itemStyle: {
                color: 'rgb(50, 50, 150)',
                opacity: 1
            },
            data: data
        }
    });
});