cesium 1.52 demo _ Circles and Ellipses.html
阿新 • • 發佈：2018-12-28
<!DOCTYPE html>
<html lang="en">
<head>
<!-- Use correct character set. -->
<meta charset="utf-8">
<!-- Tell IE to use the latest, best version. -->
<meta http-equiv="X-UA-Compatible" content="IE=Edge">
<!-- Make the app on mobile take up the full browser screen and disable user scaling. -->
<meta name="viewport"
content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
<title>Circles and Ellipses</title>
<!-- The Cesium library. -->
<script src="../ThirdParty/Cesium/Cesium.js"></script>
<!-- Style our app. -->
<style>
@import url(../ThirdParty/Cesium/Widgets/widgets.css);
html, body, #cesiumContainer {
width: 100%; height: 100%; margin: 0; padding: 0; overflow: hidden;
}
</style>
</head>
<body>
<div id="cesiumContainer"></div>
<script>
Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiIzNDhhYmQxOC1mYzMwLTRhYmEtOTI5Ny1iNGExNTQ3ZTZhODkiLCJpZCI6NTQ1NCwic2NvcGVzIjpbImFzciIsImdjIl0sImlhdCI6MTU0MzM3Mzc0NH0.RU6ynAZcwQvdfygt_N_j2rb2lpsuyyROzdaLQg0emAg';
let viewer = new Cesium.Viewer('cesiumContainer');
let greenCircle = viewer.entities.add({
name : 'Green circle at height with outline', // 實體名稱。
position: Cesium.Cartesian3.fromDegrees(-111.0, 40.0, 150000.0), // 實體中心位置。(經度，維度，中心高度)
ellipse : { // 實體型別：橢圓
semiMinorAxis : 300000.0, // 短半軸
semiMajorAxis : 300000.0, // 長半軸
height: 200000.0, // 指定橢圓中心相對於橢球面的高度。上下兩個高度不一致，以最新的為準。
material : Cesium.Color.GREEN, // 填充顏色。
outline : true // 要想顯示輪廓線，高度必須設定。輪廓線顏色，預設黑色。
}
});
let redEllipse = viewer.entities.add({
position: Cesium.Cartesian3.fromDegrees(-103.0, 40.0), // 實體中心位置。預設中心高度0.
name : 'Red ellipse on surface',
ellipse : {
semiMinorAxis : 250000.0,
semiMajorAxis : 400000.0,
material : Cesium.Color.RED.withAlpha(0.5) // 填充顏色及透明度。
}
});
let blueEllipse = viewer.entities.add({
position: Cesium.Cartesian3.fromDegrees(-95.0, 40.0, 100000.0), // 實體中心位置。(經度，維度，中心高度)
name : 'Blue translucent, rotated, and extruded ellipse with outline',
ellipse : {
semiMinorAxis : 150000.0,
semiMajorAxis : 300000.0,
extrudedHeight : 200000.0, // 拉伸高度，即實體高度。
rotation : Cesium.Math.toRadians(45), // 旋轉
material : Cesium.Color.BLUE.withAlpha(0.5),
outline : true
}
});
viewer.zoomTo(viewer.entities);
</script>
</body>
</html>