原文链接及内容

效果如下:

示例代码如下:

本文定义的CZML数据的语法请参考:

  1. https://github.com/AnalyticalGraphicsInc/czml-writer/wiki/CZML-Structure
  2. https://github.com/AnalyticalGraphicsInc/czml-writer/wiki/Packet
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const viewer = new Cesium.Viewer("cesiumContainer");

const czml = [
{
id: "document",
name: "CZML Geometries: Polyline",
version: "1.0",
},
{
id: "redCorridor",
name: "Red corridor on surface with rounded corners",
corridor: {
positions: {
cartographicDegrees: [-100.0, 40.0, 0, -105.0, 40.0, 0, -105.0, 35.0, 0],
},
width: 200000.0,
material: {
solidColor: {
color: {
rgba: [255, 0, 0, 127],
},
},
},
},
},
{
id: "greenCorridor",
name: "Green corridor at height with mitered corners and outline",
corridor: {
positions: {
cartographicDegrees: [-90.0, 40.0, 0, -95.0, 40.0, 0, -95.0, 35.0, 0],
},
height: 100000.0,
cornerType: "MITERED",
width: 200000.0,
material: {
solidColor: {
color: {
rgba: [0, 255, 0, 255],
},
},
},
outline: true, // height must be set for outlines to display
outlineColor: {
rgba: [0, 0, 0, 255],
},
},
},
{
id: "blueCorridor",
name: "Blue extruded corridor with beveled corners and outline",
corridor: {
positions: {
cartographicDegrees: [-80.0, 40.0, 0, -85.0, 40.0, 0, -85.0, 35.0, 0],
},
height: 200000.0,
extrudedHeight: 100000.0,
width: 200000.0,
cornerType: "BEVELED",
material: {
solidColor: {
color: {
rgba: [0, 0, 255, 255],
},
},
},
outline: true,
outlineColor: {
rgba: [255, 255, 255, 255],
},
},
},
];

const dataSourcePromise = Cesium.CzmlDataSource.load(czml);
viewer.dataSources.add(dataSourcePromise);
viewer.zoomTo(dataSourcePromise);