let option = {
 renderer: {
 type: “simple”,
 symbol: {
 }
 },
 data: [
 {
 geometry: [12956152.73135875, 4855356.473704897],
 attributes: {
 name: “北京”
 }
 },
 {
 geometry: [12697872.012783196, 2577456.5937789795],
 attributes: {
 name: “深圳”
 }
 }
 ]
 };

let data = this.options.data;
 for(let item of data){
 //转换屏幕坐标，获取颜色，半径和线条粗细样式
 let geo = item.geometry
 let XY1 = toScreen(geo);
 const geometry = new PIXI.Geometry()
 .addAttribute(“position”, [100, 100, -100, 100, -100, -100, 100, -100, 200, 200], 2)
 .addAttribute(‘uv’, // the attribute name
 [0, 0, // u, v
 1, 0, // u, v
 1, 1,
 0, 1], // u, v
 2)
 .addIndex([0, 1, 2, 0, 2, 3]);
 const fragmentShader = `
 uniform float iTime;
 const vec2 iResolution = vec2(1.0,1.0);
 varying vec2 vUv;
 #define PASS_COUNT 1
 vec4 iMouse = vec4(.0, 0, 0.2, 0);
 float fBrightness = 2.5;
 // Number of angular segments
 float fSteps = 121.0;
 float fParticleSize = 0.015;
 float fParticleLength = 0.5 / 60.0;
 // Min and Max star position radius. Min must be present to prevent stars too near camera
 float fMinDist = 0.8;
 float fMaxDist = 5.0;
 float fRepeatMin = 1.0;
 float fRepeatMax = 2.0;
 // fog density
 float fDepthFade = 0.8;
 float Random(float x)
 {
 return fract(sin(x * 123.456) * 23.4567 + sin(x * 345.678) * 45.6789 + sin(x * 456.789) * 56.789);
 }
 vec3 GetParticleColour( const in vec3 vParticlePos, const in float fParticleSize, const in vec3 vRayDir )
 {
 vec2 vNormDir = normalize(vRayDir.xy);
 float d1 = dot(vParticlePos.xy, vNormDir.xy) / length(vRayDir.xy);
 vec3 vClosest2d = vRayDir * d1;