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Cesium3DTilesetSpec.js
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Cesium3DTilesetSpec.js
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defineSuite([
'Scene/Cesium3DTileset',
'Core/Cartesian3',
'Core/Color',
'Core/defined',
'Core/CullingVolume',
'Core/getAbsoluteUri',
'Core/getStringFromTypedArray',
'Core/HeadingPitchRange',
'Core/Intersect',
'Core/JulianDate',
'Core/Math',
'Core/Matrix4',
'Core/PerspectiveFrustum',
'Core/PrimitiveType',
'Core/RequestScheduler',
'Core/Resource',
'Renderer/ClearCommand',
'Renderer/ContextLimits',
'Scene/Cesium3DTile',
'Scene/Cesium3DTileColorBlendMode',
'Scene/Cesium3DTileContentState',
'Scene/Cesium3DTileRefine',
'Scene/Cesium3DTileStyle',
'Scene/ClippingPlane',
'Scene/ClippingPlaneCollection',
'Scene/CullFace',
'Specs/Cesium3DTilesTester',
'Specs/createScene',
'Specs/pollToPromise',
'ThirdParty/when'
], function(
Cesium3DTileset,
Cartesian3,
Color,
defined,
CullingVolume,
getAbsoluteUri,
getStringFromTypedArray,
HeadingPitchRange,
Intersect,
JulianDate,
CesiumMath,
Matrix4,
PerspectiveFrustum,
PrimitiveType,
RequestScheduler,
Resource,
ClearCommand,
ContextLimits,
Cesium3DTile,
Cesium3DTileColorBlendMode,
Cesium3DTileContentState,
Cesium3DTileRefine,
Cesium3DTileStyle,
ClippingPlane,
ClippingPlaneCollection,
CullFace,
Cesium3DTilesTester,
createScene,
pollToPromise,
when) {
'use strict';
var scene;
var centerLongitude = -1.31968;
var centerLatitude = 0.698874;
// Parent tile with content and four child tiles with content
var tilesetUrl = 'Data/Cesium3DTiles/Tilesets/Tileset/tileset.json';
// Parent tile with no content and four child tiles with content
var tilesetEmptyRootUrl = 'Data/Cesium3DTiles/Tilesets/TilesetEmptyRoot/tileset.json';
var tilesetReplacement1Url = 'Data/Cesium3DTiles/Tilesets/TilesetReplacement1/tileset.json';
var tilesetReplacement2Url = 'Data/Cesium3DTiles/Tilesets/TilesetReplacement2/tileset.json';
var tilesetReplacement3Url = 'Data/Cesium3DTiles/Tilesets/TilesetReplacement3/tileset.json';
// 3 level tree with mix of additive and replacement refinement
var tilesetRefinementMix = 'Data/Cesium3DTiles/Tilesets/TilesetRefinementMix/tileset.json';
// tileset.json : root content points to tiles2.json
// tiles2.json: root with b3dm content, three children with b3dm content, one child points to tiles3.json
// tiles3.json: root with b3dm content
var tilesetOfTilesetsUrl = 'Data/Cesium3DTiles/Tilesets/TilesetOfTilesets/tileset.json';
var withoutBatchTableUrl = 'Data/Cesium3DTiles/Batched/BatchedWithoutBatchTable/tileset.json';
var withBatchTableUrl = 'Data/Cesium3DTiles/Batched/BatchedWithBatchTable/tileset.json';
var noBatchIdsUrl = 'Data/Cesium3DTiles/Batched/BatchedNoBatchIds/tileset.json';
var withBatchTableHierarchyUrl = 'Data/Cesium3DTiles/Hierarchy/BatchTableHierarchy/tileset.json';
var withTransformBoxUrl = 'Data/Cesium3DTiles/Batched/BatchedWithTransformBox/tileset.json';
var withTransformSphereUrl = 'Data/Cesium3DTiles/Batched/BatchedWithTransformSphere/tileset.json';
var withTransformRegionUrl = 'Data/Cesium3DTiles/Batched/BatchedWithTransformRegion/tileset.json';
var withBoundingSphereUrl = 'Data/Cesium3DTiles/Batched/BatchedWithBoundingSphere/tileset.json';
var compositeUrl = 'Data/Cesium3DTiles/Composite/Composite/tileset.json';
var instancedUrl = 'Data/Cesium3DTiles/Instanced/InstancedWithBatchTable/tileset.json';
var instancedRedMaterialUrl = 'Data/Cesium3DTiles/Instanced/InstancedRedMaterial/tileset.json';
// 1 tile where each feature is a different source color
var colorsUrl = 'Data/Cesium3DTiles/Batched/BatchedColors/tileset.json';
// 1 tile where each feature has a reddish texture
var texturedUrl = 'Data/Cesium3DTiles/Batched/BatchedTextured/tileset.json';
// 1 tile with translucent features
var translucentUrl = 'Data/Cesium3DTiles/Batched/BatchedTranslucent/tileset.json';
// 1 tile with opaque and translucent features
var translucentOpaqueMixUrl = 'Data/Cesium3DTiles/Batched/BatchedTranslucentOpaqueMix/tileset.json';
// Root tile is transformed from local space to wgs84, child tile is rotated, scaled, and translated locally
var tilesetWithTransformsUrl = 'Data/Cesium3DTiles/Tilesets/TilesetWithTransforms/tileset.json';
// Root tile with 4 b3dm children and 1 pnts child with a viewer request volume
var tilesetWithViewerRequestVolumeUrl = 'Data/Cesium3DTiles/Tilesets/TilesetWithViewerRequestVolume/tileset.json';
// Parent tile with content and four child tiles with content with viewer request volume for each child
var tilesetReplacementWithViewerRequestVolumeUrl = 'Data/Cesium3DTiles/Tilesets/TilesetReplacementWithViewerRequestVolume/tileset.json';
var tilesetWithExternalResourcesUrl = 'Data/Cesium3DTiles/Tilesets/TilesetWithExternalResources/tileset.json';
var tilesetUrlWithContentUri = 'Data/Cesium3DTiles/Batched/BatchedWithContentDataUri/tileset.json';
var tilesetSubtreeExpirationUrl = 'Data/Cesium3DTiles/Tilesets/TilesetSubtreeExpiration/tileset.json';
var tilesetSubtreeUrl = 'Data/Cesium3DTiles/Tilesets/TilesetSubtreeExpiration/subtree.json';
var batchedExpirationUrl = 'Data/Cesium3DTiles/Batched/BatchedExpiration/tileset.json';
var batchedColorsB3dmUrl = 'Data/Cesium3DTiles/Batched/BatchedColors/batchedColors.b3dm';
var batchedVertexColorsUrl = 'Data/Cesium3DTiles/Batched/BatchedWithVertexColors/tileset.json';
var styleUrl = 'Data/Cesium3DTiles/Style/style.json';
var pointCloudUrl = 'Data/Cesium3DTiles/PointCloud/PointCloudRGB/tileset.json';
var pointCloudBatchedUrl = 'Data/Cesium3DTiles/PointCloud/PointCloudBatched/tileset.json';
beforeAll(function() {
scene = createScene();
});
afterAll(function() {
scene.destroyForSpecs();
});
beforeEach(function() {
RequestScheduler.clearForSpecs();
scene.morphTo3D(0.0);
var camera = scene.camera;
camera.frustum = new PerspectiveFrustum();
camera.frustum.aspectRatio = scene.drawingBufferWidth / scene.drawingBufferHeight;
camera.frustum.fov = CesiumMath.toRadians(60.0);
viewAllTiles();
});
afterEach(function() {
scene.primitives.removeAll();
});
function setZoom(distance) {
// Bird's eye view
var center = Cartesian3.fromRadians(centerLongitude, centerLatitude);
scene.camera.lookAt(center, new HeadingPitchRange(0.0, -1.57, distance));
}
function viewAllTiles() {
setZoom(15.0);
}
function viewRootOnly() {
setZoom(100.0);
}
function viewNothing() {
setZoom(200.0);
}
function viewSky() {
var center = Cartesian3.fromRadians(centerLongitude, centerLatitude, 100);
scene.camera.lookAt(center, new HeadingPitchRange(0.0, 1.57, 10.0));
}
function viewBottomLeft() {
viewAllTiles();
scene.camera.moveLeft(200.0);
scene.camera.moveDown(200.0);
}
function viewInstances() {
setZoom(30.0);
}
function viewPointCloud() {
setZoom(5.0);
}
function isSelected(tileset, tile) {
return tileset._selectedTiles.indexOf(tile) > -1;
}
it('throws with undefined url', function() {
expect(function() {
return new Cesium3DTileset();
}).toThrowDeveloperError();
});
it('rejects readyPromise with invalid tileset JSON fiile', function() {
spyOn(Resource._Implementations, 'loadWithXhr').and.callFake(function(url, responseType, method, data, headers, deferred, overrideMimeType) {
deferred.reject();
});
var tileset = scene.primitives.add(new Cesium3DTileset({
url : 'invalid.json'
}));
return tileset.readyPromise.then(function() {
fail('should not resolve');
}).otherwise(function(error) {
expect(tileset.ready).toEqual(false);
});
});
it('loads json with static loadJson method', function() {
var tilesetJson = {
asset : {
version : 2.0
}
};
var uri = 'data:text/plain;base64,' + btoa(JSON.stringify(tilesetJson));
Cesium3DTileset.loadJson(uri).then(function(result) {
expect(result).toEqual(tilesetJson);
}).otherwise(function(error) {
fail('should not fail');
});
});
it('static method loadJson is used in Cesium3DTileset constructor', function() {
var path = 'Data/Cesium3DTiles/Tilesets/TilesetOfTilesets/tileset.json';
var originalLoadJson = Cesium3DTileset.loadJson;
// override loadJson and replace incorrect url with correct url
Cesium3DTileset.loadJson = function(tilesetUrl) {
return originalLoadJson(path);
};
// setup tileset with invalid url (overridden loadJson should replace invalid url with correct url)
var tileset = new Cesium3DTileset({
url : 'invalid.json'
});
// restore original version
Cesium3DTileset.loadJson = originalLoadJson;
return tileset.readyPromise.then(function() {
expect(tileset.ready).toEqual(true);
}).otherwise(function(error) {
fail('should not fail');
});
});
it('Constructor works with promise to resource', function() {
var resource = new Resource({
url: 'Data/Cesium3DTiles/Tilesets/TilesetOfTilesets/tileset.json'
});
// setup tileset with invalid url (overridden loadJson should replace invalid url with correct url)
var tileset = new Cesium3DTileset({
url : when.resolve(resource)
});
return tileset.readyPromise.then(function() {
expect(tileset.ready).toEqual(true);
}).otherwise(function(error) {
fail('should not fail');
});
});
it('Constructor works with file resource', function() {
var resource = new Resource({
url: 'Data/Cesium3DTiles/Tilesets/TilesetOfTilesets/tileset.json'
});
// setup tileset with invalid url (overridden loadJson should replace invalid url with correct url)
var tileset = new Cesium3DTileset({
url : resource
});
return tileset.readyPromise.then(function() {
expect(tileset.ready).toEqual(true);
}).otherwise(function(error) {
fail('should not fail');
});
});
it('rejects readyPromise with invalid tileset version', function() {
var tilesetJson = {
asset : {
version : 2.0
}
};
var uri = 'data:text/plain;base64,' + btoa(JSON.stringify(tilesetJson));
var tileset = scene.primitives.add(new Cesium3DTileset({
url : uri
}));
return tileset.readyPromise.then(function() {
fail('should not resolve');
}).otherwise(function(error) {
expect(tileset.ready).toEqual(false);
});
});
it('url and tilesetUrl set up correctly given tileset JSON filepath', function() {
var path = 'Data/Cesium3DTiles/Tilesets/TilesetOfTilesets/tileset.json';
var tileset = new Cesium3DTileset({
url : path
});
expect(tileset.url).toEqual(path);
});
it('url and tilesetUrl set up correctly given path with query string', function() {
var path = 'Data/Cesium3DTiles/Tilesets/TilesetOfTilesets/tileset.json';
var param = '?param1=1¶m2=2';
var tileset = new Cesium3DTileset({
url : path + param
});
expect(tileset.url).toEqual(path + param);
});
it('resolves readyPromise', function() {
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
return tileset.readyPromise.then(function(tileset) {
expect(tileset.ready).toEqual(true);
});
});
});
it('loads tileset JSON file', function() {
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
var asset = tileset.asset;
expect(asset).toBeDefined();
expect(asset.version).toEqual('1.0');
expect(asset.tilesetVersion).toEqual('1.2.3');
var properties = tileset.properties;
expect(properties).toBeDefined();
expect(properties.id).toBeDefined();
expect(properties.id.minimum).toEqual(0);
expect(properties.id.maximum).toEqual(9);
expect(tileset._geometricError).toEqual(240.0);
expect(tileset.root).toBeDefined();
expect(tileset.url).toEqual(tilesetUrl);
});
});
it('loads tileset with extras', function() {
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
expect(tileset.extras).toEqual({ 'name': 'Sample Tileset' });
expect(tileset.root.extras).toBeUndefined();
var length = tileset.root.children.length;
var taggedChildren = 0;
for (var i = 0; i < length; ++i) {
if (defined(tileset.root.children[i].extras)) {
expect(tileset.root.children[i].extras).toEqual({ 'id': 'Special Tile' });
++taggedChildren;
}
}
expect(taggedChildren).toEqual(1);
});
});
it('gets root tile', function() {
var tileset = scene.primitives.add(new Cesium3DTileset({
url : tilesetUrl
}));
expect(function() {
return tileset.root;
}).toThrowDeveloperError();
return tileset.readyPromise.then(function() {
expect(tileset.root).toBeDefined();
});
});
it('hasExtension returns true if the tileset JSON file uses the specified extension', function() {
return Cesium3DTilesTester.loadTileset(scene, withBatchTableHierarchyUrl).then(function(tileset) {
expect(tileset.hasExtension('3DTILES_batch_table_hierarchy')).toBe(true);
expect(tileset.hasExtension('3DTILES_nonexistant_extension')).toBe(false);
});
});
it('passes version in query string to tiles', function() {
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
expect(tileset.root.content._resource.url).toEqual(getAbsoluteUri(tilesetUrl.replace('tileset.json','parent.b3dm?v=1.2.3')));
});
});
it('passes version in query string to all external resources', function() {
// Spy on loadWithXhr so we can verify requested urls
spyOn(Resource._Implementations, 'loadWithXhr').and.callThrough();
var queryParams = '?a=1&b=boy';
var queryParamsWithVersion = '?a=1&b=boy&v=1.2.3';
return Cesium3DTilesTester.loadTileset(scene, tilesetWithExternalResourcesUrl + queryParams).then(function(tileset) {
var calls = Resource._Implementations.loadWithXhr.calls.all();
var callsLength = calls.length;
for (var i = 0; i < callsLength; ++i) {
var url = calls[0].args[0];
if (url.indexOf(tilesetWithExternalResourcesUrl) >= 0) {
var query = url.slice(url.indexOf('?'));
if (url.indexOf('tileset.json') >= 0) {
// The initial tileset.json does not have a tileset version parameter
expect(query).toBe(queryParams);
} else {
expect(query).toBe(queryParamsWithVersion);
}
}
}
});
});
it('throws when getting asset and tileset is not ready', function() {
var tileset = new Cesium3DTileset({
url : tilesetUrl
});
expect(function() {
return tileset.asset;
}).toThrowDeveloperError();
});
it('throws when getting properties and tileset is not ready', function() {
var tileset = new Cesium3DTileset({
url : tilesetUrl
});
expect(function() {
return tileset.properties;
}).toThrowDeveloperError();
});
it('throws when getting extras and tileset is not ready', function() {
var tileset = new Cesium3DTileset({
url : tilesetUrl
});
expect(function() {
return tileset.extras;
}).toThrowDeveloperError();
});
it('requests tile with invalid magic', function() {
var invalidMagicBuffer = Cesium3DTilesTester.generateBatchedTileBuffer({
magic : [120, 120, 120, 120]
});
var tileset = scene.primitives.add(new Cesium3DTileset({
url : tilesetUrl
}));
return tileset.readyPromise.then(function(tileset) {
// Start spying after the tileset json has been loaded
spyOn(Resource._Implementations, 'loadWithXhr').and.callFake(function(url, responseType, method, data, headers, deferred, overrideMimeType) {
deferred.resolve(invalidMagicBuffer);
});
scene.renderForSpecs(); // Request root
var root = tileset.root;
return root.contentReadyPromise.then(function() {
fail('should not resolve');
}).otherwise(function(error) {
expect(error.message).toBe('Invalid tile content.');
expect(root._contentState).toEqual(Cesium3DTileContentState.FAILED);
});
});
});
it('handles failed tile requests', function() {
viewRootOnly();
var tileset = scene.primitives.add(new Cesium3DTileset({
url : tilesetUrl
}));
return tileset.readyPromise.then(function(tileset) {
// Start spying after the tileset json has been loaded
spyOn(Resource._Implementations, 'loadWithXhr').and.callFake(function(url, responseType, method, data, headers, deferred, overrideMimeType) {
deferred.reject();
});
scene.renderForSpecs(); // Request root
var root = tileset.root;
return root.contentReadyPromise.then(function() {
fail('should not resolve');
}).otherwise(function(error) {
expect(root._contentState).toEqual(Cesium3DTileContentState.FAILED);
var statistics = tileset.statistics;
expect(statistics.numberOfAttemptedRequests).toBe(0);
expect(statistics.numberOfPendingRequests).toBe(0);
expect(statistics.numberOfTilesProcessing).toBe(0);
expect(statistics.numberOfTilesWithContentReady).toBe(0);
});
});
});
it('handles failed tile processing', function() {
viewRootOnly();
var tileset = scene.primitives.add(new Cesium3DTileset({
url : tilesetUrl
}));
return tileset.readyPromise.then(function(tileset) {
// Start spying after the tileset json has been loaded
spyOn(Resource._Implementations, 'loadWithXhr').and.callFake(function(url, responseType, method, data, headers, deferred, overrideMimeType) {
deferred.resolve(Cesium3DTilesTester.generateBatchedTileBuffer({
version : 0 // Invalid version
}));
});
scene.renderForSpecs(); // Request root
var root = tileset.root;
return root.contentReadyPromise.then(function() {
fail('should not resolve');
}).otherwise(function(error) {
expect(root._contentState).toEqual(Cesium3DTileContentState.FAILED);
var statistics = tileset.statistics;
expect(statistics.numberOfAttemptedRequests).toBe(0);
expect(statistics.numberOfPendingRequests).toBe(0);
expect(statistics.numberOfTilesProcessing).toBe(0);
expect(statistics.numberOfTilesWithContentReady).toBe(0);
});
});
});
it('renders tileset', function() {
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
var statistics = tileset._statistics;
expect(statistics.visited).toEqual(5);
expect(statistics.numberOfCommands).toEqual(5);
});
});
it('renders tileset in CV', function() {
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
scene.morphToColumbusView(0.0);
scene.renderForSpecs();
var statistics = tileset._statistics;
expect(statistics.visited).toEqual(5);
expect(statistics.numberOfCommands).toEqual(5);
});
});
it('renders tileset in 2D', function() {
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
scene.morphTo2D(0.0);
tileset.maximumScreenSpaceError = 3;
scene.renderForSpecs();
var statistics = tileset._statistics;
expect(statistics.visited).toEqual(5);
expect(statistics.numberOfCommands).toEqual(10);
});
});
it('does not render during morph', function() {
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
var commandList = scene.frameState.commandList;
scene.renderForSpecs();
expect(commandList.length).toBeGreaterThan(0);
scene.morphToColumbusView(1.0);
scene.renderForSpecs();
expect(commandList.length).toBe(0);
});
});
it('renders tileset with empty root tile', function() {
return Cesium3DTilesTester.loadTileset(scene, tilesetEmptyRootUrl).then(function(tileset) {
var statistics = tileset._statistics;
expect(statistics.visited).toEqual(5);
expect(statistics.numberOfCommands).toEqual(4); // Empty tile doesn't issue a command
});
});
it('verify statistics', function() {
var tileset = scene.primitives.add(new Cesium3DTileset({
url : tilesetUrl
}));
// Verify initial values
var statistics = tileset._statistics;
expect(statistics.visited).toEqual(0);
expect(statistics.numberOfCommands).toEqual(0);
expect(statistics.numberOfPendingRequests).toEqual(0);
expect(statistics.numberOfTilesProcessing).toEqual(0);
return Cesium3DTilesTester.waitForReady(scene, tileset).then(function() {
// Check that root and children are requested
expect(statistics.visited).toEqual(5);
expect(statistics.numberOfCommands).toEqual(0);
expect(statistics.numberOfPendingRequests).toEqual(5);
expect(statistics.numberOfTilesProcessing).toEqual(0);
// Wait for all tiles to load and check that they are all visited and rendered
return Cesium3DTilesTester.waitForTilesLoaded(scene, tileset).then(function() {
expect(statistics.visited).toEqual(5);
expect(statistics.numberOfCommands).toEqual(5);
expect(statistics.numberOfPendingRequests).toEqual(0);
expect(statistics.numberOfTilesProcessing).toEqual(0);
});
});
});
function checkPointAndFeatureCounts(tileset, features, points, triangles) {
var statistics = tileset._statistics;
expect(statistics.numberOfFeaturesSelected).toEqual(0);
expect(statistics.numberOfFeaturesLoaded).toEqual(0);
expect(statistics.numberOfPointsSelected).toEqual(0);
expect(statistics.numberOfPointsLoaded).toEqual(0);
expect(statistics.numberOfTrianglesSelected).toEqual(0);
return Cesium3DTilesTester.waitForTilesLoaded(scene, tileset).then(function() {
expect(statistics.numberOfFeaturesSelected).toEqual(features);
expect(statistics.numberOfFeaturesLoaded).toEqual(features);
expect(statistics.numberOfPointsSelected).toEqual(points);
expect(statistics.numberOfPointsLoaded).toEqual(points);
expect(statistics.numberOfTrianglesSelected).toEqual(triangles);
viewNothing();
scene.renderForSpecs();
expect(statistics.numberOfFeaturesSelected).toEqual(0);
expect(statistics.numberOfFeaturesLoaded).toEqual(features);
expect(statistics.numberOfPointsSelected).toEqual(0);
expect(statistics.numberOfPointsLoaded).toEqual(points);
expect(statistics.numberOfTrianglesSelected).toEqual(0);
tileset.trimLoadedTiles();
scene.renderForSpecs();
expect(statistics.numberOfFeaturesSelected).toEqual(0);
expect(statistics.numberOfFeaturesLoaded).toEqual(0);
expect(statistics.numberOfPointsSelected).toEqual(0);
expect(statistics.numberOfPointsLoaded).toEqual(0);
expect(statistics.numberOfTrianglesSelected).toEqual(0);
});
}
it('verify batched features statistics', function() {
var tileset = scene.primitives.add(new Cesium3DTileset({
url : withBatchTableUrl
}));
return checkPointAndFeatureCounts(tileset, 10, 0, 120);
});
it('verify no batch table features statistics', function() {
var tileset = scene.primitives.add(new Cesium3DTileset({
url : noBatchIdsUrl
}));
return checkPointAndFeatureCounts(tileset, 0, 0, 120);
});
it('verify instanced features statistics', function() {
var tileset = scene.primitives.add(new Cesium3DTileset({
url : instancedRedMaterialUrl
}));
return checkPointAndFeatureCounts(tileset, 25, 0, 12);
});
it('verify composite features statistics', function() {
var tileset = scene.primitives.add(new Cesium3DTileset({
url : compositeUrl
}));
return checkPointAndFeatureCounts(tileset, 35, 0, 132);
});
it('verify tileset of tilesets features statistics', function() {
var tileset = scene.primitives.add(new Cesium3DTileset({
url : tilesetOfTilesetsUrl
}));
return checkPointAndFeatureCounts(tileset, 50, 0, 600);
});
it('verify points statistics', function() {
viewPointCloud();
var tileset = scene.primitives.add(new Cesium3DTileset({
url : pointCloudUrl
}));
return checkPointAndFeatureCounts(tileset, 0, 1000, 0);
});
it('verify triangle statistics', function() {
var tileset = scene.primitives.add(new Cesium3DTileset({
url : tilesetEmptyRootUrl
}));
return checkPointAndFeatureCounts(tileset, 40, 0, 480);
});
it('verify batched points statistics', function() {
viewPointCloud();
var tileset = scene.primitives.add(new Cesium3DTileset({
url : pointCloudBatchedUrl
}));
return checkPointAndFeatureCounts(tileset, 8, 1000, 0);
});
it('verify memory usage statistics', function() {
// Calculations in Batched3DModel3DTileContentSpec, minus uvs
var singleTileGeometryMemory = 7440;
var singleTileTextureMemory = 0;
var singleTileBatchTextureMemory = 40;
var singleTilePickTextureMemory = 40;
var tilesLength = 5;
viewNothing();
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
var statistics = tileset._statistics;
// No tiles loaded
expect(statistics.geometryByteLength).toEqual(0);
expect(statistics.texturesByteLength).toEqual(0);
expect(statistics.batchTableByteLength).toEqual(0);
viewRootOnly();
return Cesium3DTilesTester.waitForTilesLoaded(scene, tileset).then(function() {
// Root tile loaded
expect(statistics.geometryByteLength).toEqual(singleTileGeometryMemory);
expect(statistics.texturesByteLength).toEqual(singleTileTextureMemory);
expect(statistics.batchTableByteLength).toEqual(0);
viewAllTiles();
return Cesium3DTilesTester.waitForTilesLoaded(scene, tileset).then(function() {
// All tiles loaded
expect(statistics.geometryByteLength).toEqual(singleTileGeometryMemory * tilesLength);
expect(statistics.texturesByteLength).toEqual(singleTileTextureMemory * tilesLength);
expect(statistics.batchTableByteLength).toEqual(0);
// One feature colored, the batch table memory is now higher
tileset.root.content.getFeature(0).color = Color.RED;
scene.renderForSpecs();
expect(statistics.geometryByteLength).toEqual(singleTileGeometryMemory * tilesLength);
expect(statistics.texturesByteLength).toEqual(singleTileTextureMemory * tilesLength);
expect(statistics.batchTableByteLength).toEqual(singleTileBatchTextureMemory);
// All tiles picked, the texture memory is now higher
scene.pickForSpecs();
expect(statistics.geometryByteLength).toEqual(singleTileGeometryMemory * tilesLength);
expect(statistics.texturesByteLength).toEqual(singleTileTextureMemory * tilesLength);
expect(statistics.batchTableByteLength).toEqual(singleTileBatchTextureMemory + singleTilePickTextureMemory * tilesLength);
// Tiles are still in memory when zoomed out
viewNothing();
scene.renderForSpecs();
expect(statistics.geometryByteLength).toEqual(singleTileGeometryMemory * tilesLength);
expect(statistics.texturesByteLength).toEqual(singleTileTextureMemory * tilesLength);
expect(statistics.batchTableByteLength).toEqual(singleTileBatchTextureMemory + singleTilePickTextureMemory * tilesLength);
// Trim loaded tiles, expect the memory statistics to be 0
tileset.trimLoadedTiles();
scene.renderForSpecs();
expect(statistics.geometryByteLength).toEqual(0);
expect(statistics.texturesByteLength).toEqual(0);
expect(statistics.batchTableByteLength).toEqual(0);
});
});
});
});
it('verify memory usage statistics for shared resources', function() {
// Six tiles total:
// * Two b3dm tiles - no shared resources
// * Two i3dm tiles with embedded glTF - no shared resources
// * Two i3dm tiles with external glTF - shared resources
// Expect to see some saving with memory usage since two of the tiles share resources
// All tiles reference the same external texture but texture caching is not supported yet
// TODO : tweak test when #5051 is in
var b3dmGeometryMemory = 840; // Only one box in the tile, unlike most other test tiles
var i3dmGeometryMemory = 840;
// Texture is 128x128 RGBA bytes, not mipmapped
var texturesByteLength = 65536;
var expectedGeometryMemory = b3dmGeometryMemory * 2 + i3dmGeometryMemory * 3;
var expectedTextureMemory = texturesByteLength * 5;
return Cesium3DTilesTester.loadTileset(scene, tilesetWithExternalResourcesUrl).then(function(tileset) {
var statistics = tileset._statistics;
expect(statistics.geometryByteLength).toBe(expectedGeometryMemory);
expect(statistics.texturesByteLength).toBe(expectedTextureMemory);
});
});
it('does not process tileset when screen space error is not met', function() {
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
var statistics = tileset._statistics;
expect(statistics.visited).toEqual(5);
expect(statistics.numberOfCommands).toEqual(5);
// Set zoom far enough away to not meet sse
viewNothing();
scene.renderForSpecs();
expect(statistics.visited).toEqual(0);
expect(statistics.numberOfCommands).toEqual(0);
});
});
it('does not select tiles when outside of view frustum', function() {
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
var statistics = tileset._statistics;
expect(statistics.visited).toEqual(5);
expect(statistics.numberOfCommands).toEqual(5);
viewSky();
scene.renderForSpecs();
expect(statistics.visited).toEqual(0);
expect(statistics.numberOfCommands).toEqual(0);
expect(tileset.root.visibility(scene.frameState, CullingVolume.MASK_INDETERMINATE)).toEqual(CullingVolume.MASK_OUTSIDE);
});
});
it('does not load additive tiles that are out of view', function() {
viewBottomLeft();
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
var statistics = tileset._statistics;
expect(statistics.numberOfTilesWithContentReady).toEqual(2);
});
});
it('culls with content box', function() {
// Root tile has a content box that is half the extents of its box
// Expect to cull root tile and three child tiles
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
var statistics = tileset._statistics;
expect(statistics.visited).toEqual(5);
expect(statistics.numberOfCommands).toEqual(5);
viewBottomLeft();
scene.renderForSpecs();
expect(statistics.visited).toEqual(2); // Visits root, but does not render it
expect(statistics.numberOfCommands).toEqual(1);
expect(tileset._selectedTiles[0]).not.toBe(tileset.root);
// Set contents box to undefined, and now root won't be culled
tileset.root._contentBoundingVolume = undefined;
scene.renderForSpecs();
expect(statistics.visited).toEqual(2);
expect(statistics.numberOfCommands).toEqual(2);
});
});
function findTileByUrl(tiles, url) {
var length = tiles.length;
for (var i = 0; i < length; ++i) {
if (tiles[i].content._resource.url.indexOf(url) >= 0) {
return tiles[i];
}
}
return undefined;
}
it('selects children in front to back order', function() {
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
// After moving the camera left by 1.0 and down by 0.5, the distance from the camera should be in the order:
// 1. lower left
// 2. upper left
// 3. lower right
// 4. upper right
scene.camera.moveLeft(1.0);
scene.camera.moveDown(0.5);
scene.renderForSpecs();
var root = tileset.root;
var llTile = findTileByUrl(root.children, 'll.b3dm');
var lrTile = findTileByUrl(root.children, 'lr.b3dm');
var urTile = findTileByUrl(root.children, 'ur.b3dm');
var ulTile = findTileByUrl(root.children, 'ul.b3dm');
var selectedTiles = tileset._selectedTiles;
expect(selectedTiles[0]).toBe(root);
expect(selectedTiles[1]).toBe(llTile);
expect(selectedTiles[2]).toBe(ulTile);
expect(selectedTiles[3]).toBe(lrTile);
expect(selectedTiles[4]).toBe(urTile);
});
});
function testDynamicScreenSpaceError(url, distance) {
return Cesium3DTilesTester.loadTileset(scene, url).then(function(tileset) {
var statistics = tileset._statistics;
// Horizon view, only root is visible
var center = Cartesian3.fromRadians(centerLongitude, centerLatitude);
scene.camera.lookAt(center, new HeadingPitchRange(0.0, 0.0, distance));
// Set dynamic SSE to false (default)
tileset.dynamicScreenSpaceError = false;
scene.renderForSpecs();
expect(statistics.visited).toEqual(1);
expect(statistics.numberOfCommands).toEqual(1);
// Set dynamic SSE to true, now the root is not rendered
tileset.dynamicScreenSpaceError = true;
tileset.dynamicScreenSpaceErrorDensity = 1.0;
tileset.dynamicScreenSpaceErrorFactor = 10.0;
scene.renderForSpecs();
expect(statistics.visited).toEqual(0);
expect(statistics.numberOfCommands).toEqual(0);
});
}
function numberOfChildrenWithoutContent(tile) {
var children = tile.children;
var length = children.length;
var count = 0;
for (var i = 0; i < length; ++i) {
var child = children[i];
if (!child.contentReady) {
++count;
}
}
return count;
}
// Adjust distances for each test because the dynamic SSE takes the
// bounding volume height into account, which differs for each bounding volume.
it('uses dynamic screen space error for tileset with region', function() {
return testDynamicScreenSpaceError(withTransformRegionUrl, 103.0);
});
it('uses dynamic screen space error for tileset with bounding sphere', function() {
return testDynamicScreenSpaceError(withBoundingSphereUrl, 137.0);
});
it('uses dynamic screen space error for local tileset with box', function() {
return testDynamicScreenSpaceError(withTransformBoxUrl, 103.0);
});
it('uses dynamic screen space error for local tileset with sphere', function() {
return testDynamicScreenSpaceError(withTransformSphereUrl, 144.0);
});
it('additive refinement - selects root when sse is met', function() {
viewRootOnly();
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
// Meets screen space error, only root tile is rendered
var statistics = tileset._statistics;
expect(statistics.visited).toEqual(1);
expect(statistics.numberOfCommands).toEqual(1);
});
});
it('additive refinement - selects all tiles when sse is not met', function() {
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
// Does not meet screen space error, all tiles are visible
var statistics = tileset._statistics;
expect(statistics.visited).toEqual(5);
expect(statistics.numberOfCommands).toEqual(5);
});
});
it('additive refinement - use parent\'s geometric error on child\'s box for early refinement', function() {
return Cesium3DTilesTester.loadTileset(scene, tilesetUrl).then(function(tileset) {
var statistics = tileset._statistics;
expect(statistics.visited).toEqual(5);
expect(statistics.numberOfCommands).toEqual(5);
// Both right tiles don't meet the SSE anymore
scene.camera.moveLeft(50.0);
scene.renderForSpecs();
expect(statistics.visited).toEqual(3);
expect(statistics.numberOfCommands).toEqual(3);
});
});
it('additive refinement - selects tile when inside viewer request volume', function() {
return Cesium3DTilesTester.loadTileset(scene, tilesetWithViewerRequestVolumeUrl).then(function(tileset) {
var statistics = tileset._statistics;
// Force root tile to always not meet SSE since this is just checking the request volume
tileset.maximumScreenSpaceError = 0.0;
// Renders all 5 tiles
setZoom(20.0);
scene.renderForSpecs();
expect(statistics.numberOfCommands).toEqual(5);
// No longer renders the tile with a request volume
setZoom(1500.0);
scene.renderForSpecs();
expect(statistics.numberOfCommands).toEqual(4);
});
});
it('replacement refinement - selects root when sse is met', function() {