这次我们用pixi.js和arcgis js结合
我们先定义一下 传入数据结构 symbol 暂时不做
- 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"
- }
- }
- ]
- };
对于data 数据 ,
toScreen 方法参考链接提示
app 的构建参考 链接提示
- 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 iMouse;
- varying vec2 vUv;
- #define PI 3.1415926
- #define NUM 20.
- #define PALETTE vec3(.0, 1.4, 2.)+1.5
- #define COLORED
- #define MIRROR
- //#define ROTATE
- #define ROT_OFST
- #define TRIANGLE_NOISE
- //#define SHOW_TRIANGLE_NOISE_ONLY
- mat2 mm2(in float a){float c = cos(a), s = sin(a);return mat2(c,-s,s,c);}
- float tri(in float x){return abs(fract(x)-.5);}
- vec2 tri2(in vec2 p){return vec2(tri(p.x+tri(p.y*2.)),tri(p.y+tri(p.x*2.)));}
- mat2 m2 = mat2( 0.970, 0.242, -0.242, 0.970 );
- float triangleNoise(in vec2 p)