Cesium JS API
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Cesium3DTilesInspectorViewModel

Cesium3DTilesInspectorViewModel(以下简称ViewModel)是cesiumjs中用来展示3D Tiles模型详细信息的视图模型。通过ViewModel,您可以查看每个3D Tiles图块的详细信息以及3D Tiles模型的整体信息。

属性

ViewModel包含以下属性:

  • isDestroyed:{Boolean}属性,返回ViewModel是否被销毁。
  • tile: {Tile}属性,指定要查看的3D Tiles图块。
  • selectedTile: {Tile}属性,指定ViewModel所选中的3D Tiles图块。
  • detailsShown: {Boolean}属性,指定ViewModel的详细信息是否显示。

方法

ViewModel包括以下方法:

  • destroy(): 销毁ViewModel。销毁后,您将无法访问ViewModel或使用ViewModel的其他方法。
  • toggleDetails(): 切换详细信息的显示状态。如果详细信息已经显示,则此方法将隐藏它,否则它将显示详细信息。

事件

ViewModel触发以下事件:

  • changed: 当tileselectedTile更改时触发此事件。
  • detailsShownChanged:当detailsShown属性更改时触发此事件。
  • destroyed: 在销毁ViewModel时触发此事件。

示例

以下示例将介绍如何使用Cesium3DTilesInspectorViewModel

// 创建viewer
var viewer = new Cesium.Viewer("cesiumContainer");

// 加载3D Tiles模型
var tileset = new Cesium.Cesium3DTileset({
  url: "path/to/tileset",
});
viewer.scene.primitives.add(tileset);

// 获取tileset所有的tile并将其打印到控制台
tileset.readyPromise.then(function () {
  var root = tileset.root;
  var tiles = [];
  tiles.push(root);
  while (tiles.length > 0) {
    var tile = tiles.pop();
    console.log(tile);
    if (tile.children) {
      tiles = tiles.concat(tile.children);
    }
  }
});

// 创建3D Tiles Inspector
var inspector = new Cesium.Cesium3DTilesInspectorViewModel({
  scene: viewer.scene,
  // 这里指定要查看tileset的根tile
  tileset: tileset,
  // 显示的位置
  position: new Cesium.Cartesian3(0, 0, 0),
});

// 打开3D Tiles Inspector
inspector.show = true;

// 切换详细信息的显示状态
inspector.toggleDetails();

参考

了解更多关于cesiumjs中3D Tiles的相关内容,请参考Cesium官方文档