Cesium API - Cesium3DTileset 中文文档

成员变量

Default Value: new Event()

示例：

tileset.allTilesLoaded.addEventListener(function() {
    console.log('All tiles are loaded');
});

参考：

• Cesium3DTileset#tilesLoaded

Deprecated: true

Default Value: 1024

示例：

var tileset = viewer.scene.primitives.add(new Cesium.Cesium3DTileset({
    url : 'http://localhost:8002/tilesets/Seattle/tileset.json'
}));
tileset.readyPromise.then(function(tileset) {
    // 将相机设置为查看新添加的tileset
    viewer.camera.viewBoundingSphere(tileset.boundingSphere, new Cesium.HeadingPitchRange(0, -0.5, 0));
});

Default Value: undefined

实验功能说明：

This feature is using part of the 3D Tiles spec that is not final and is subject to change without Cesium's standard deprecation policy.

Default Value: 0.5

Default Value: Cesium3DTileColorBlendMode.HIGHLIGHT

Default Value: true

Default Value: 60.0

Default Value: false

Default Value: false

Default Value: false

Default Value: false

Default Value: false

Default Value: false

Default Value: false

Default Value: false

Default Value: false

Default Value: false

Default Value: false

Default Value: 0.00278

Default Value: 4.0

Default Value: 0.25

参考：

• Extras in the 3D Tiles specification.

Default Value: 0.3

Default Value: 0.0

Default Value: true

Default Value: 0.2

Default Value: Cartesian2(1.0, 1.0)

Default Value: false

Default Value: new Event()

示例：

tileset.initialTilesLoaded.addEventListener(function() {
    console.log('Initial tiles are loaded');
});

参考：

• Cesium3DTileset#allTilesLoaded

Default Value: undefined

Default Value: new Event()

示例：

tileset.loadProgress.addEventListener(function(numberOfPendingRequests, numberOfTilesProcessing) {
    if ((numberOfPendingRequests === 0) && (numberOfTilesProcessing === 0)) {
        console.log('Stopped loading');
        return;
    }
    console.log('Loading: requests: ' + numberOfPendingRequests + ', processing: ' + numberOfTilesProcessing);
});

Default Value: false

Default Value: 0.2

Default Value: 512

参考：

• Cesium3DTileset#totalMemoryUsageInBytes

Default Value: 16

Default Value: Matrix4.IDENTITY

示例：

// 从地球表面调整tileset的高度。
var heightOffset = 20.0;
var boundingSphere = tileset.boundingSphere;
var cartographic = Cesium.Cartographic.fromCartesian(boundingSphere.center);
var surface = Cesium.Cartesian3.fromRadians(cartographic.longitude, cartographic.latitude, 0.0);
var offset = Cesium.Cartesian3.fromRadians(cartographic.longitude, cartographic.latitude, heightOffset);
var translation = Cesium.Cartesian3.subtract(offset, surface, new Cesium.Cartesian3());
tileset.modelMatrix = Cesium.Matrix4.fromTranslation(translation);

Default Value: false

Default Value: true

Default Value: false

Default Value: 0.3

示例：

console.log('Maximum building height: ' + tileset.properties.height.maximum);
console.log('Minimum building height: ' + tileset.properties.height.minimum);

参考：

• Cesium3DTileFeature#getProperty
• Cesium3DTileFeature#setProperty

Default Value: false

示例：

tileset.readyPromise.then(function(tileset) {
    // tile.properties is not defined until readyPromise resolves.
    var properties = tileset.properties;
    if (Cesium.defined(properties)) {
        for (var name in properties) {
            console.log(properties[name]);
        }
    }
});

Default Value: ShadowMode.ENABLED

Default Value: true

Default Value: true

Default Value: 1

Default Value: 16

演示Demo：

• Sandcastle Image Based Lighting Demo

参考：

• Cesium3DTileset#sphericalHarmonicCoefficients

演示Demo：

• Sandcastle Image Based Lighting Demo

参考：

• An Efficient Representation for Irradiance Environment Maps

Default Value: undefined

示例：

tileset.style = new Cesium.Cesium3DTileStyle({
   color : {
       conditions : [
           ['${Height} >= 100', 'color("purple", 0.5)'],
           ['${Height} >= 50', 'color("red")'],
           ['true', 'color("blue")']
       ]
   },
   show : '${Height} > 0',
   meta : {
       description : '"Building id ${id} has height ${Height}."'
   }
});

参考：

• 3D Tiles Styling language

Default Value: new Event()

示例：

tileset.tileFailed.addEventListener(function(error) {
    console.log('An error occurred loading tile: ' + error.url);
    console.log('Error: ' + error.message);
});

Default Value: new Event()

示例：

tileset.tileLoad.addEventListener(function(tile) {
    console.log('A tile was loaded.');
});

Default Value: false

参考：

• Cesium3DTileset#allTilesLoaded

Default Value: new Event()

示例：

tileset.tileUnload.addEventListener(function(tile) {
    console.log('A tile was unloaded from the cache.');
});

参考：

• Cesium3DTileset#maximumMemoryUsage
• Cesium3DTileset#trimLoadedTiles

Default Value: new Event()

示例：

tileset.tileVisible.addEventListener(function(tile) {
    if (tile.content instanceof Cesium.Batched3DModel3DTileContent) {
        console.log('A Batched 3D Model tile is visible.');
    }
});

// 应用一个红色的样式，然后为每一个其他的要素手动设置随机的颜色时，瓦片变得可见。
tileset.style = new Cesium.Cesium3DTileStyle({
    color : 'color("red")'
});
tileset.tileVisible.addEventListener(function(tile) {
    var content = tile.content;
    var featuresLength = content.featuresLength;
    for (var i = 0; i < featuresLength; i+=2) {
        content.getFeature(i).color = Cesium.Color.fromRandom();
    }
});

参考：

• Cesium3DTileset#maximumMemoryUsage

内置方法

• DeveloperError : 这个对象被销毁了。即：destroy()被调用。

示例：

tileset = tileset && tileset.destroy();

参考：

• Cesium3DTileset#isDestroyed

参考：

• Cesium3DTileset#destroy