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var tileset = scene.primitives.add(new bmgl.BM3DTileset({
     url : 'http://localhost:8002/tilesets/Seattle/tileset.json'
}));

// Common setting for the skipLevelOfDetail optimization
var tileset = scene.primitives.add(new bmgl.BM3DTileset({
     url : 'http://localhost:8002/tilesets/Seattle/tileset.json',
     skipLevelOfDetail : true,
     baseScreenSpaceError : 1024,
     skipScreenSpaceErrorFactor : 16,
     skipLevels : 1,
     immediatelyLoadDesiredLevelOfDetail : false,
     loadSiblings : false,
     cullWithChildrenBounds : true
}));

// Common settings for the dynamicScreenSpaceError optimization
var tileset = scene.primitives.add(new bmgl.BM3DTileset({
     url : 'http://localhost:8002/tilesets/Seattle/tileset.json',
     dynamicScreenSpaceError : true,
     dynamicScreenSpaceErrorDensity : 0.00278,
     dynamicScreenSpaceErrorFactor : 4.0,
     dynamicScreenSpaceErrorHeightFalloff : 0.25
}));

Members

allTilesLoaded : Event

Default Value: new Event()

See:

• BM3DTileset#tilesLoaded

Example:

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

(readonly) asset : Object

(readonly) basePath : String

Deprecated: true

baseScreenSpaceError : Number

Default Value: 1024

(readonly) boundingSphere : BoundingSphere

Example:

var tileset = viewer.scene.primitives.add(new bmgl.BM3DTileset({
    url : 'http://localhost:8002/tilesets/Seattle/tileset.json'
}));

tileset.readyPromise.then(function(tileset) {
    // Set the camera to view the newly added tileset
    viewer.camera.viewBoundingSphere(tileset.boundingSphere, new bmgl.HeadingPitchRange(0, -0.5, 0));
});

(readonly) classificationType : ClassificationType

Default Value: undefined

Experimental

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

clippingPlanes : ClippingPlaneCollection

colorBlendAmount : Number

Default Value: 0.5

colorBlendMode : BM3DTileColorBlendMode

Default Value: BM3DTileColorBlendMode.HIGHLIGHT

cullRequestsWhileMoving : Boolean

Default Value: true

cullRequestsWhileMovingMultiplier : Number

Default Value: 60.0

debugColorizeTiles : Boolean

Default Value: false

debugFreezeFrame : Boolean

Default Value: false

debugShowBoundingVolume : Boolean

Default Value: false

debugShowContentBoundingVolume : Boolean

Default Value: false

debugShowGeometricError : Boolean

Default Value: false

debugShowMemoryUsage : Boolean

Default Value: false

debugShowRenderingStatistics : Boolean

Default Value: false

debugShowUrl : Boolean

Default Value: false

debugShowViewerRequestVolume : Boolean

Default Value: false

debugWireframe : Boolean

Default Value: false

dynamicScreenSpaceError : Boolean

Default Value: false

dynamicScreenSpaceErrorDensity : Number

Default Value: 0.00278

dynamicScreenSpaceErrorFactor : Number

Default Value: 4.0

dynamicScreenSpaceErrorHeightFalloff : Number

Default Value: 0.25

(readonly) ellipsoid : Ellipsoid

(readonly) extras : *

See:

• Extras in the 3D Tiles specification.

foveatedConeSize : Number

Default Value: 0.3

foveatedInterpolationCallback : BM3DTileset~foveatedInterpolationCallback

foveatedMinimumScreenSpaceErrorRelaxation : Number

Default Value: 0.0

foveatedScreenSpaceError : Boolean

Default Value: true

foveatedTimeDelay : Number

Default Value: 0.2

imageBasedLightingFactor : Cartesian2

Default Value: Cartesian2(1.0, 1.0)

immediatelyLoadDesiredLevelOfDetail : Boolean

Default Value: false

initialTilesLoaded : Event

Default Value: new Event()

See:

• BM3DTileset#allTilesLoaded

Example:

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

lightColor : Cartesian3

Default Value: undefined

loadProgress : Event

Default Value: new Event()

Example:

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

    console.log('Loading: requests: ' + numberOfPendingRequests + ', processing: ' + numberOfTilesProcessing);
});

loadSiblings : Boolean

Default Value: false

luminanceAtZenith : Number

Default Value: 0.2

maximumMemoryUsage : Number

Default Value: 512

See:

• BM3DTileset#totalMemoryUsageInBytes

maximumScreenSpaceError : Number

Default Value: 16

modelMatrix : Matrix4

Default Value: Matrix4.IDENTITY

Example:

// Adjust a tileset's height from the globe's surface.
var heightOffset = 20.0;
var boundingSphere = tileset.boundingSphere;
var cartographic = bmgl.Cartographic.fromCartesian(boundingSphere.center);
var surface = bmgl.Cartesian3.fromRadians(cartographic.longitude, cartographic.latitude, 0.0);
var offset = bmgl.Cartesian3.fromRadians(cartographic.longitude, cartographic.latitude, heightOffset);
var translation = bmgl.Cartesian3.subtract(offset, surface, new bmgl.Cartesian3());
tileset.modelMatrix = bmgl.Matrix4.fromTranslation(translation);

pointCloudShading : PointCloudShading

preferLeaves : Boolean

Default Value: false

preloadFlightDestinations : Boolean

Default Value: true

preloadWhenHidden : Boolean

Default Value: false

progressiveResolutionHeightFraction : Number

Default Value: 0.3

(readonly) properties : Object

See:

• BM3DTileFeature#getProperty
• BM3DTileFeature#setProperty

Example:

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

(readonly) ready : Boolean

Default Value: false

(readonly) readyPromise : Promise.<BM3DTileset>

Example:

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

(readonly) root : BM3DTile

shadows : ShadowMode

Default Value: ShadowMode.ENABLED

show : Boolean

Default Value: true

skipLevelOfDetail : Boolean

Default Value: true

skipLevels : Number

Default Value: 1

skipScreenSpaceErrorFactor : Number

Default Value: 16

specularEnvironmentMaps : String

See:

• BM3DTileset#sphericalHarmonicCoefficients

sphericalHarmonicCoefficients : Array.<Cartesian3>

style : BM3DTileStyle

Default Value: undefined

See:

• 3D Tiles Styling language

Example:

tileset.style = new bmgl.BM3DTileStyle({
   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}."'
   }
});

tileFailed : Event

Default Value: new Event()

Example:

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

tileLoad : Event

Default Value: new Event()

Example:

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

(readonly) tilesLoaded : Boolean

Default Value: false

See:

• BM3DTileset#allTilesLoaded

tileUnload : Event

Default Value: new Event()

See:

• BM3DTileset#maximumMemoryUsage
• BM3DTileset#trimLoadedTiles

Example:

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

tileVisible : Event

Default Value: new Event()

Examples:

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

// Apply a red style and then manually set random colors for every other feature when the tile becomes visible.
tileset.style = new bmgl.BM3DTileStyle({
    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 = bmgl.Color.fromRandom();
    }
});

(readonly) timeSinceLoad : Number

(readonly) totalMemoryUsageInBytes : Number

See:

• BM3DTileset#maximumMemoryUsage

(readonly) url : String

Methods

Parameters:

tileset = tileset && tileset.destroy();

Throws

• DeveloperError : 此對象已被銷毀，即調用destroy（）。

See:

• BM3DTileset#isDestroyed

Parameters:

See:

• BM3DTileset#destroy

Type Definitions

Parameters:

Default Value: Math.lerp