| <!doctype html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"> |
| <meta name="apple-mobile-web-app-capable" content="yes"> |
| <link rel="stylesheet" href="../common/reset.css"> |
| </head> |
| <body> |
| <div id="main"></div> |
| <script src="../common/echarts.min.js"></script> |
| <script src="../common/jquery.min.js"></script> |
| <script src="../common/echarts-gl.js"></script> |
| <script src="../texture/canyon.hdr.js"></script> |
| <script> |
| var chart = echarts.init(document.getElementById('main')); |
| |
| var sin = Math.sin; |
| var cos = Math.cos; |
| var pow = Math.pow; |
| var sqrt = Math.sqrt; |
| var cosh = Math.cosh; |
| var sinh = Math.sinh; |
| var PI = Math.PI; |
| |
| var aa = 0.4; |
| var r = 1 - aa * aa; |
| var w = sqrt(r); |
| |
| chart.setOption({ |
| tooltip: {}, |
| visualMap: { |
| show: false, |
| dimension: 2, |
| min: -3, |
| max: 3, |
| inRange: { |
| color: ['#313695', '#4575b4', '#74add1', '#abd9e9', '#e0f3f8', '#ffffbf', '#fee090', '#fdae61', '#f46d43', '#d73027', '#a50026'] |
| } |
| }, |
| xAxis3D: {}, |
| yAxis3D: {}, |
| zAxis3D: {}, |
| grid3D: { |
| show: false, |
| viewControl: { |
| distance: 100 |
| }, |
| postEffect: { |
| enable: true, |
| SSAO: { |
| enable: true, |
| radius: 4 |
| }, |
| depthOfField: { |
| enable: true, |
| focalDistance: 100 |
| } |
| }, |
| light: { |
| main: { |
| intensity: 2, |
| shadow: true |
| }, |
| ambient: { |
| intensity: 0 |
| }, |
| ambientCubemap: { |
| texture: canyonUrl, |
| exposure: 2, |
| diffuseIntensity: 0.2, |
| specularIntensity: 1 |
| } |
| } |
| }, |
| series: [{ |
| type: 'surface', |
| parametric: true, |
| silent: true, |
| wireframe: { |
| show: false |
| }, |
| shading: 'realistic', |
| realisticMaterial: { |
| roughness: 0.3, |
| metalness: 0 |
| }, |
| parametricEquation: { |
| u: { |
| min: -13.2, |
| max: 13.2, |
| step: 0.2 |
| }, |
| v: { |
| min: -37.4, |
| max: 37.4, |
| step: 0.2 |
| }, |
| x: function (u, v) { |
| var denom = aa * (pow(w * cosh(aa * u), 2) + aa * pow(sin(w * v), 2)) |
| return -u + (2 * r * cosh(aa * u) * sinh(aa * u) / denom); |
| }, |
| y: function (u, v) { |
| var denom = aa * (pow(w * cosh(aa * u), 2) + aa * pow(sin(w * v), 2)) |
| return 2 * w * cosh(aa * u) * (-(w * cos(v) * cos(w * v)) - (sin(v) * sin(w * v))) / denom; |
| }, |
| z: function (u, v) { |
| var denom = aa * (pow(w * cosh(aa * u), 2) + aa * pow(sin(w * v), 2)) |
| return 2 * w * cosh(aa * u) * (-(w * sin(v) * cos(w * v)) + (cos(v) * sin(w * v))) / denom |
| } |
| } |
| }] |
| }); |
| |
| window.addEventListener('resize', function () { |
| chart.resize(); |
| }); |
| |
| </script> |
| </body> |
| </html> |
