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CesiumJS 案例 P6：添加图片图层、添加图片图层并覆盖指定区域

article 2024/10/28 0:14:02

CesiumJS

CesiumJS API：https://cesium.com/learn/cesiumjs/ref-doc/index.html
CesiumJS 是一个开源的 JavaScript 库，它用于在网页中创建和控制 3D 地球仪（地图）

一、添加图片图层

<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>ImageryProvider - 添加图片图层</title>
        <link rel="stylesheet" href="../js/Cesium-1.112/Build/Cesium/Widgets/widgets.css" />
        <style>
            * {
                margin: 0;
                padding: 0;
                box-sizing: border-box;
            }

            html,
            body {
                width: 100%;
                height: 100%;
            }

            .container {
                width: 100%;
                height: 100%;
            }
        </style>
    </head>

    <body>
        <div id="container"></div>
    </body>

    <script src="../js/Cesium-1.112/Build/Cesium/Cesium.js"></script>
    <script>
        const viewer = new Cesium.Viewer("container");

        // 创建图片图层
        const imageryProvider = new Cesium.SingleTileImageryProvider({
            url: "../img/test.jpg",
        });

        const imageryLayer = viewer.imageryLayers.addImageryProvider(imageryProvider);
    </script>
</html>

二、添加图片图层并覆盖指定区域

<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>ImageryProvider - 添加图片图层并覆盖指定区域</title>
        <link rel="stylesheet" href="../js/Cesium-1.112/Build/Cesium/Widgets/widgets.css" />
        <style>
            * {
                margin: 0;
                padding: 0;
                box-sizing: border-box;
            }

            html,
            body {
                width: 100%;
                height: 100%;
            }

            .container {
                width: 100%;
                height: 100%;
            }
        </style>
    </head>

    <body>
        <div id="container"></div>
    </body>

    <script src="../js/Cesium-1.112/Build/Cesium/Cesium.js"></script>
    <script>
        const viewer = new Cesium.Viewer("container");

        const west = 0; // 西经（西经为负）
        const south = 0; // 南纬（南纬为负）
        const east = 10; // 东经（东经为正）
        const north = 10; // 北纬（北纬为正）

        // 创建图片图层
        const imageryProvider = new Cesium.SingleTileImageryProvider({
            url: "../img/test.jpg",
            rectangle: Cesium.Rectangle.fromDegrees(west, south, east, north),
        });

        const imageryLayer = viewer.imageryLayers.addImageryProvider(imageryProvider);
    </script>
</html>