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1x 1x 1x 1x 1x 1x 1x 1x 3x 3x 3x 3x 3x 3x 41x 41x 41x 41x 63x 63x 63x 63x 126x 126x 126x 124x 124x 2x 119x 119x 119x 489x 489x 489x 489x 1913x 1913x 126x 363x 19x 19x 19x 19x 19x 39x 39x 39x 19x 67x 67x 50x 50x 17x 342x 342x 61x 281x 33x 33x 33x 33x 33x 33x 33x 33x 30x 30x 30x 30x 30x 30x 30x 11x 11x 11x 11x 11x 11x 11x 1x 1x 1x 41x 41x 41x 41x 246x 246x 246x 246x 12x 41x 33x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 32x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 2x 2x 3x 3x 3x 3x 3x 12x 12x 3x 3x 3x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 3x 3x 3x 5x 8x 3x 3x 3x 3x 1x 3x 3x 8x 8x 8x 3x 8x 8x 8x 19x 19x 19x 19x 9x 8x 38x 38x 10x 10x 10x 28x 10x 10x 1x 1x 1x 9x 1x 1x 1x 1x 1x 11x 11x 1x 1x 1x 10x 10x 10x 1x 1x 1x 9x 10x 10x 1x 1x 1x 9x 1x 38x 38x 38x 110x 110x 110x 110x 110x 346x 346x 31x 38x 38x 38x 38x 38x 38x 38x 10x 38x 38x 36x 36x 36x 36x 36x 36x 3x 3x 3x 3x 3x 3x 3x 3x 3x 36x 36x 6x 6x 36x 34x 34x 36x 9x 9x 36x 34x 34x 36x 3x 3x 36x 35x 36x 36x 36x 26x 10x 2x 1x 1x 8x 40x 40x 40x 4x 4x 4x 4x 4x 40x 39x 3x 3x 3x 3x 1x 1x 1x 2x 36x 4x 4x 4x 40x 40x 40x 40x 40x 40x 40x 40x 40x 40x 40x 40x 1x 29x 1x 2x 1x 1x 4x 1x 26x 1x 2x 1x 2x 1x 1x 1x 1x 41x 1x 40x 40x 40x 40x 40x 36x 36x 36x 36x 36x 36x 3x 3x 3x 3x 3x 3x 3x 3x 3x 36x 36x 3x 3x 36x 6x 36x 9x 36x 36x 4x 4x 4x 4x | import Cartesian2 from "../Core/Cartesian2.js"; import Cartesian3 from "../Core/Cartesian3.js"; import ClockRange from "../Core/ClockRange.js"; import ClockStep from "../Core/ClockStep.js"; import Color from "../Core/Color.js"; import createGuid from "../Core/createGuid.js"; import Frozen from "../Core/Frozen.js"; import defined from "../Core/defined.js"; import DeveloperError from "../Core/DeveloperError.js"; import Event from "../Core/Event.js"; import Iso8601 from "../Core/Iso8601.js"; import JulianDate from "../Core/JulianDate.js"; import NearFarScalar from "../Core/NearFarScalar.js"; import PinBuilder from "../Core/PinBuilder.js"; import Resource from "../Core/Resource.js"; import RuntimeError from "../Core/RuntimeError.js"; import TimeInterval from "../Core/TimeInterval.js"; import TimeIntervalCollection from "../Core/TimeIntervalCollection.js"; import HeightReference from "../Scene/HeightReference.js"; import HorizontalOrigin from "../Scene/HorizontalOrigin.js"; import LabelStyle from "../Scene/LabelStyle.js"; import VerticalOrigin from "../Scene/VerticalOrigin.js"; import Autolinker from "autolinker"; import BillboardGraphics from "./BillboardGraphics.js"; import ConstantProperty from "./ConstantProperty.js"; import DataSource from "./DataSource.js"; import DataSourceClock from "./DataSourceClock.js"; import EntityCluster from "./EntityCluster.js"; import EntityCollection from "./EntityCollection.js"; import LabelGraphics from "./LabelGraphics.js"; import PolylineGraphics from "./PolylineGraphics.js"; import PolylineOutlineMaterialProperty from "./PolylineOutlineMaterialProperty.js"; import SampledPositionProperty from "./SampledPositionProperty.js"; let parser; Eif (typeof DOMParser !== "undefined") { parser = new DOMParser(); } const autolinker = new Autolinker({ stripPrefix: false, email: false, replaceFn: function (linker, match) { //Prevent matching of non-explicit urls. //i.e. foo.id won't match but http://foo.id will return match.urlMatchType === "scheme" || match.urlMatchType === "www"; }, }); const BILLBOARD_SIZE = 32; const BILLBOARD_NEAR_DISTANCE = 2414016; const BILLBOARD_NEAR_RATIO = 1.0; const BILLBOARD_FAR_DISTANCE = 1.6093e7; const BILLBOARD_FAR_RATIO = 0.1; const gpxNamespaces = [null, undefined, "http://www.topografix.com/GPX/1/1"]; const namespaces = { gpx: gpxNamespaces, }; function readBlobAsText(blob) { return new Promise((resolve, reject) => { const reader = new FileReader(); reader.addEventListener("load", function () { resolve(reader.result); }); reader.addEventListener("error", function () { reject(reader.error); }); reader.readAsText(blob); }); } function getOrCreateEntity(node, entityCollection) { let id = queryStringAttribute(node, "id"); id = defined(id) ? id : createGuid(); const entity = entityCollection.getOrCreateEntity(id); return entity; } function readCoordinateFromNode(node) { const longitude = queryNumericAttribute(node, "lon"); const latitude = queryNumericAttribute(node, "lat"); const elevation = queryNumericValue(node, "ele", namespaces.gpx); return Cartesian3.fromDegrees(longitude, latitude, elevation); } function queryNumericAttribute(node, attributeName) { Iif (!defined(node)) { return undefined; } const value = node.getAttribute(attributeName); if (value !== null) { const result = parseFloat(value); return !isNaN(result) ? result : undefined; } return undefined; } function queryStringAttribute(node, attributeName) { Iif (!defined(node)) { return undefined; } const value = node.getAttribute(attributeName); return value !== null ? value : undefined; } function queryFirstNode(node, tagName, namespace) { Iif (!defined(node)) { return undefined; } const childNodes = node.childNodes; const length = childNodes.length; for (let q = 0; q < length; q++) { const child = childNodes[q]; if ( child.localName === tagName && namespace.indexOf(child.namespaceURI) !== -1 ) { return child; } } return undefined; } function queryNodes(node, tagName, namespace) { Iif (!defined(node)) { return undefined; } const result = []; const childNodes = node.getElementsByTagName(tagName); const length = childNodes.length; for (let q = 0; q < length; q++) { const child = childNodes[q]; Eif ( child.localName === tagName && namespace.indexOf(child.namespaceURI) !== -1 ) { result.push(child); } } return result; } function queryNumericValue(node, tagName, namespace) { const resultNode = queryFirstNode(node, tagName, namespace); if (defined(resultNode)) { const result = parseFloat(resultNode.textContent); return !isNaN(result) ? result : undefined; } return undefined; } function queryStringValue(node, tagName, namespace) { const result = queryFirstNode(node, tagName, namespace); if (defined(result)) { return result.textContent.trim(); } return undefined; } function createDefaultBillboard(image) { const billboard = new BillboardGraphics(); billboard.width = BILLBOARD_SIZE; billboard.height = BILLBOARD_SIZE; billboard.scaleByDistance = new NearFarScalar( BILLBOARD_NEAR_DISTANCE, BILLBOARD_NEAR_RATIO, BILLBOARD_FAR_DISTANCE, BILLBOARD_FAR_RATIO, ); billboard.pixelOffsetScaleByDistance = new NearFarScalar( BILLBOARD_NEAR_DISTANCE, BILLBOARD_NEAR_RATIO, BILLBOARD_FAR_DISTANCE, BILLBOARD_FAR_RATIO, ); billboard.verticalOrigin = new ConstantProperty(VerticalOrigin.BOTTOM); billboard.image = image; return billboard; } function createDefaultLabel() { const label = new LabelGraphics(); label.translucencyByDistance = new NearFarScalar(3000000, 1.0, 5000000, 0.0); label.pixelOffset = new Cartesian2(17, 0); label.horizontalOrigin = HorizontalOrigin.LEFT; label.font = "16px sans-serif"; label.style = LabelStyle.FILL_AND_OUTLINE; return label; } function createDefaultPolyline(color) { const polyline = new PolylineGraphics(); polyline.width = 4; polyline.material = new PolylineOutlineMaterialProperty(); polyline.material.color = defined(color) ? color : Color.RED; polyline.material.outlineWidth = 2; polyline.material.outlineColor = Color.BLACK; return polyline; } // This is a list of the Optional Description Information: // <cmt> GPS comment of the waypoint // <desc> Descriptive description of the waypoint // <src> Source of the waypoint data // <type> Type (category) of waypoint const descriptiveInfoTypes = { time: { text: "Time", tag: "time", }, comment: { text: "Comment", tag: "cmt", }, description: { text: "Description", tag: "desc", }, source: { text: "Source", tag: "src", }, number: { text: "GPS track/route number", tag: "number", }, type: { text: "Type", tag: "type", }, }; let scratchDiv; Eif (typeof document !== "undefined") { scratchDiv = document.createElement("div"); } function processDescription(node, entity) { let i; let text = ""; const infoTypeNames = Object.keys(descriptiveInfoTypes); const length = infoTypeNames.length; for (i = 0; i < length; i++) { const infoTypeName = infoTypeNames[i]; const infoType = descriptiveInfoTypes[infoTypeName]; infoType.value = queryStringValue(node, infoType.tag, namespaces.gpx) ?? ""; if (defined(infoType.value) && infoType.value !== "") { text = `${text}<p>${infoType.text}: ${infoType.value}</p>`; } } if (!defined(text) || text === "") { // No description return; } // Turns non-explicit links into clickable links. text = autolinker.link(text); // Use a temporary div to manipulate the links // so that they open in a new window. scratchDiv.innerHTML = text; const links = scratchDiv.querySelectorAll("a"); for (i = 0; i < links.length; i++) { links[i].setAttribute("target", "_blank"); } const background = Color.WHITE; const foreground = Color.BLACK; let tmp = '<div class="cesium-infoBox-description-lighter" style="'; tmp += "overflow:auto;"; tmp += "word-wrap:break-word;"; tmp += `background-color:${background.toCssColorString()};`; tmp += `color:${foreground.toCssColorString()};`; tmp += '">'; tmp += `${scratchDiv.innerHTML}</div>`; scratchDiv.innerHTML = ""; // return the final HTML as the description. return tmp; } function processWpt(dataSource, geometryNode, entityCollection, options) { const position = readCoordinateFromNode(geometryNode); const entity = getOrCreateEntity(geometryNode, entityCollection); entity.position = position; // Get billboard image const image = defined(options.waypointImage) ? options.waypointImage : dataSource._pinBuilder.fromMakiIconId( "marker", Color.RED, BILLBOARD_SIZE, ); entity.billboard = createDefaultBillboard(image); const name = queryStringValue(geometryNode, "name", namespaces.gpx); entity.name = name; entity.label = createDefaultLabel(); entity.label.text = name; entity.description = processDescription(geometryNode, entity); if (options.clampToGround) { entity.billboard.heightReference = HeightReference.CLAMP_TO_GROUND; entity.label.heightReference = HeightReference.CLAMP_TO_GROUND; } } // rte represents route - an ordered list of waypoints representing a series of turn points leading to a destination function processRte(dataSource, geometryNode, entityCollection, options) { const entity = getOrCreateEntity(geometryNode, entityCollection); entity.description = processDescription(geometryNode, entity); // a list of waypoint const routePoints = queryNodes(geometryNode, "rtept", namespaces.gpx); const coordinateTuples = new Array(routePoints.length); for (let i = 0; i < routePoints.length; i++) { processWpt(dataSource, routePoints[i], entityCollection, options); coordinateTuples[i] = readCoordinateFromNode(routePoints[i]); } entity.polyline = createDefaultPolyline(options.routeColor); Iif (options.clampToGround) { entity.polyline.clampToGround = true; } entity.polyline.positions = coordinateTuples; } // trk represents a track - an ordered list of points describing a path. function processTrk(dataSource, geometryNode, entityCollection, options) { const entity = getOrCreateEntity(geometryNode, entityCollection); entity.description = processDescription(geometryNode, entity); const trackSegs = queryNodes(geometryNode, "trkseg", namespaces.gpx); let positions = []; let times = []; let trackSegInfo; let isTimeDynamic = true; const property = new SampledPositionProperty(); for (let i = 0; i < trackSegs.length; i++) { trackSegInfo = processTrkSeg(trackSegs[i]); positions = positions.concat(trackSegInfo.positions); if (trackSegInfo.times.length > 0) { times = times.concat(trackSegInfo.times); property.addSamples(times, positions); // if one track segment is non dynamic the whole track must also be isTimeDynamic = isTimeDynamic && true; } else { isTimeDynamic = false; } } if (isTimeDynamic) { // Assign billboard image const image = defined(options.waypointImage) ? options.waypointImage : dataSource._pinBuilder.fromMakiIconId( "marker", Color.RED, BILLBOARD_SIZE, ); entity.billboard = createDefaultBillboard(image); entity.position = property; if (options.clampToGround) { entity.billboard.heightReference = HeightReference.CLAMP_TO_GROUND; } entity.availability = new TimeIntervalCollection(); entity.availability.addInterval( new TimeInterval({ start: times[0], stop: times[times.length - 1], }), ); } entity.polyline = createDefaultPolyline(options.trackColor); entity.polyline.positions = positions; if (options.clampToGround) { entity.polyline.clampToGround = true; } } function processTrkSeg(node) { const result = { positions: [], times: [], }; const trackPoints = queryNodes(node, "trkpt", namespaces.gpx); let time; for (let i = 0; i < trackPoints.length; i++) { const position = readCoordinateFromNode(trackPoints[i]); result.positions.push(position); time = queryStringValue(trackPoints[i], "time", namespaces.gpx); if (defined(time)) { result.times.push(JulianDate.fromIso8601(time)); } } return result; } // Processes a metadataType node and returns a metadata object // {@link http://www.topografix.com/gpx/1/1/#type_metadataType|GPX Schema} function processMetadata(node) { const metadataNode = queryFirstNode(node, "metadata", namespaces.gpx); if (defined(metadataNode)) { const metadata = { name: queryStringValue(metadataNode, "name", namespaces.gpx), desc: queryStringValue(metadataNode, "desc", namespaces.gpx), author: getPerson(metadataNode), copyright: getCopyright(metadataNode), link: getLink(metadataNode), time: queryStringValue(metadataNode, "time", namespaces.gpx), keywords: queryStringValue(metadataNode, "keywords", namespaces.gpx), bounds: getBounds(metadataNode), }; Eif ( defined(metadata.name) || defined(metadata.desc) || defined(metadata.author) || defined(metadata.copyright) || defined(metadata.link) || defined(metadata.time) || defined(metadata.keywords) || defined(metadata.bounds) ) { return metadata; } } return undefined; } // Receives a XML node and returns a personType object, refer to // {@link http://www.topografix.com/gpx/1/1/#type_personType|GPX Schema} function getPerson(node) { const personNode = queryFirstNode(node, "author", namespaces.gpx); if (defined(personNode)) { const person = { name: queryStringValue(personNode, "name", namespaces.gpx), email: getEmail(personNode), link: getLink(personNode), }; Eif (defined(person.name) || defined(person.email) || defined(person.link)) { return person; } } return undefined; } // Receives a XML node and returns an email address (from emailType), refer to // {@link http://www.topografix.com/gpx/1/1/#type_emailType|GPX Schema} function getEmail(node) { const emailNode = queryFirstNode(node, "email", namespaces.gpx); Eif (defined(emailNode)) { const id = queryStringValue(emailNode, "id", namespaces.gpx); const domain = queryStringValue(emailNode, "domain", namespaces.gpx); return `${id}@${domain}`; } return undefined; } // Receives a XML node and returns a linkType object, refer to // {@link http://www.topografix.com/gpx/1/1/#type_linkType|GPX Schema} function getLink(node) { const linkNode = queryFirstNode(node, "link", namespaces.gpx); if (defined(linkNode)) { const link = { href: queryStringAttribute(linkNode, "href"), text: queryStringValue(linkNode, "text", namespaces.gpx), mimeType: queryStringValue(linkNode, "type", namespaces.gpx), }; Eif (defined(link.href) || defined(link.text) || defined(link.mimeType)) { return link; } } return undefined; } // Receives a XML node and returns a copyrightType object, refer to // {@link http://www.topografix.com/gpx/1/1/#type_copyrightType|GPX Schema} function getCopyright(node) { const copyrightNode = queryFirstNode(node, "copyright", namespaces.gpx); if (defined(copyrightNode)) { const copyright = { author: queryStringAttribute(copyrightNode, "author"), year: queryStringValue(copyrightNode, "year", namespaces.gpx), license: queryStringValue(copyrightNode, "license", namespaces.gpx), }; Eif ( defined(copyright.author) || defined(copyright.year) || defined(copyright.license) ) { return copyright; } } return undefined; } // Receives a XML node and returns a boundsType object, refer to // {@link http://www.topografix.com/gpx/1/1/#type_boundsType|GPX Schema} function getBounds(node) { const boundsNode = queryFirstNode(node, "bounds", namespaces.gpx); if (defined(boundsNode)) { const bounds = { minLat: queryNumericValue(boundsNode, "minlat", namespaces.gpx), maxLat: queryNumericValue(boundsNode, "maxlat", namespaces.gpx), minLon: queryNumericValue(boundsNode, "minlon", namespaces.gpx), maxLon: queryNumericValue(boundsNode, "maxlon", namespaces.gpx), }; Eif ( defined(bounds.minLat) || defined(bounds.maxLat) || defined(bounds.minLon) || defined(bounds.maxLon) ) { return bounds; } } return undefined; } const complexTypes = { wpt: processWpt, rte: processRte, trk: processTrk, }; function processGpx(dataSource, node, entityCollection, options) { const complexTypeNames = Object.keys(complexTypes); const complexTypeNamesLength = complexTypeNames.length; for (let i = 0; i < complexTypeNamesLength; i++) { const typeName = complexTypeNames[i]; const processComplexTypeNode = complexTypes[typeName]; const childNodes = node.childNodes; const length = childNodes.length; for (let q = 0; q < length; q++) { const child = childNodes[q]; if ( child.localName === typeName && namespaces.gpx.indexOf(child.namespaceURI) !== -1 ) { processComplexTypeNode(dataSource, child, entityCollection, options); } } } } function loadGpx(dataSource, gpx, options) { const entityCollection = dataSource._entityCollection; entityCollection.removeAll(); const element = gpx.documentElement; const version = queryStringAttribute(element, "version"); const creator = queryStringAttribute(element, "creator"); let name; const metadata = processMetadata(element); if (defined(metadata)) { name = metadata.name; } if (element.localName === "gpx") { processGpx(dataSource, element, entityCollection, options); } else E{ console.log(`GPX - Unsupported node: ${element.localName}`); } let clock; const availability = entityCollection.computeAvailability(); let start = availability.start; let stop = availability.stop; const isMinStart = JulianDate.equals(start, Iso8601.MINIMUM_VALUE); const isMaxStop = JulianDate.equals(stop, Iso8601.MAXIMUM_VALUE); if (!isMinStart || !isMaxStop) { let date; // If start is min time just start at midnight this morning, local time Iif (isMinStart) { date = new Date(); date.setHours(0, 0, 0, 0); start = JulianDate.fromDate(date); } // If stop is max value just stop at midnight tonight, local time Iif (isMaxStop) { date = new Date(); date.setHours(24, 0, 0, 0); stop = JulianDate.fromDate(date); } clock = new DataSourceClock(); clock.startTime = start; clock.stopTime = stop; clock.currentTime = JulianDate.clone(start); clock.clockRange = ClockRange.LOOP_STOP; clock.clockStep = ClockStep.SYSTEM_CLOCK_MULTIPLIER; clock.multiplier = Math.round( Math.min( Math.max(JulianDate.secondsDifference(stop, start) / 60, 1), 3.15569e7, ), ); } let changed = false; if (dataSource._name !== name) { dataSource._name = name; changed = true; } if (dataSource._creator !== creator) { dataSource._creator = creator; changed = true; } if (metadataChanged(dataSource._metadata, metadata)) { dataSource._metadata = metadata; changed = true; } if (dataSource._version !== version) { dataSource._version = version; changed = true; } if (clock !== dataSource._clock) { changed = true; dataSource._clock = clock; } if (changed) { dataSource._changed.raiseEvent(dataSource); } DataSource.setLoading(dataSource, false); return dataSource; } function metadataChanged(old, current) { if (!defined(old) && !defined(current)) { return false; } else if (defined(old) && defined(current)) { if ( old.name !== current.name || old.dec !== current.desc || old.src !== current.src || old.author !== current.author || old.copyright !== current.copyright || old.link !== current.link || old.time !== current.time || old.bounds !== current.bounds ) { return true; } return false; } return true; } function load(dataSource, entityCollection, data, options) { options = options ?? Frozen.EMPTY_OBJECT; let promise = data; if (typeof data === "string" || data instanceof Resource) { data = Resource.createIfNeeded(data); promise = data.fetchBlob(); // Add resource credits to our list of credits to display const resourceCredits = dataSource._resourceCredits; const credits = data.credits; Iif (defined(credits)) { const length = credits.length; for (let i = 0; i < length; i++) { resourceCredits.push(credits[i]); } } } return Promise.resolve(promise) .then(function (dataToLoad) { if (dataToLoad instanceof Blob) { return readBlobAsText(dataToLoad).then(function (text) { // There's no official way to validate if a parse was successful. // The following check detects the error on various browsers. // IE raises an exception let gpx; let error; try { gpx = parser.parseFromString(text, "application/xml"); } catch (e) { error = e.toString(); } // The parse succeeds on Chrome and Firefox, but the error // handling is different in each. if ( defined(error) || gpx.body || gpx.documentElement.tagName === "parsererror" ) { // Firefox has error information as the firstChild nodeValue. let msg = defined(error) ? error : gpx.documentElement.firstChild.nodeValue; // Chrome has it in the body text. Iif (!msg) { msg = gpx.body.innerText; } // Return the error throw new RuntimeError(msg); } return loadGpx(dataSource, gpx, options); }); } return loadGpx(dataSource, dataToLoad, options); }) .catch(function (error) { dataSource._error.raiseEvent(dataSource, error); console.log(error); return Promise.reject(error); }); } /** * A {@link DataSource} which processes the GPS Exchange Format (GPX). * * @alias GpxDataSource * @constructor * * @see {@link http://www.topografix.com/gpx.asp|Topografix GPX Standard} * @see {@link http://www.topografix.com/gpx/1/1/|Topografix GPX Documentation} * * @demo {@link http://sandcastle.cesium.com/index.html?src=GPX.html} * * @example * const viewer = new Cesium.Viewer('cesiumContainer'); * viewer.dataSources.add(Cesium.GpxDataSource.load('../../SampleData/track.gpx')); */ function GpxDataSource() { this._changed = new Event(); this._error = new Event(); this._loading = new Event(); this._clock = undefined; this._entityCollection = new EntityCollection(this); this._entityCluster = new EntityCluster(); this._name = undefined; this._version = undefined; this._creator = undefined; this._metadata = undefined; this._isLoading = false; this._pinBuilder = new PinBuilder(); } /** * Creates a Promise to a new instance loaded with the provided GPX data. * * @param {string|Document|Blob} data A url, parsed GPX document, or Blob containing binary GPX data. * @param {object} [options] An object with the following properties: * @param {boolean} [options.clampToGround] True if the symbols should be rendered at the same height as the terrain * @param {string} [options.waypointImage] Image to use for waypoint billboards. * @param {string} [options.trackImage] Image to use for track billboards. * @param {string} [options.trackColor] Color to use for track lines. * @param {string} [options.routeColor] Color to use for route lines. * @returns {Promise<GpxDataSource>} A promise that will resolve to a new GpxDataSource instance once the gpx is loaded. */ GpxDataSource.load = function (data, options) { return new GpxDataSource().load(data, options); }; Object.defineProperties(GpxDataSource.prototype, { /** * Gets a human-readable name for this instance. * This will be automatically be set to the GPX document name on load. * @memberof GpxDataSource.prototype * @type {string} */ name: { get: function () { return this._name; }, }, /** * Gets the version of the GPX Schema in use. * @memberof GpxDataSource.prototype * @type {string} */ version: { get: function () { return this._version; }, }, /** * Gets the creator of the GPX document. * @memberof GpxDataSource.prototype * @type {string} */ creator: { get: function () { return this._creator; }, }, /** * Gets an object containing metadata about the GPX file. * @memberof GpxDataSource.prototype * @type {object} */ metadata: { get: function () { return this._metadata; }, }, /** * Gets the clock settings defined by the loaded GPX. This represents the total * availability interval for all time-dynamic data. If the GPX does not contain * time-dynamic data, this value is undefined. * @memberof GpxDataSource.prototype * @type {DataSourceClock} */ clock: { get: function () { return this._clock; }, }, /** * Gets the collection of {@link Entity} instances. * @memberof GpxDataSource.prototype * @type {EntityCollection} */ entities: { get: function () { return this._entityCollection; }, }, /** * Gets a value indicating if the data source is currently loading data. * @memberof GpxDataSource.prototype * @type {boolean} */ isLoading: { get: function () { return this._isLoading; }, }, /** * Gets an event that will be raised when the underlying data changes. * @memberof GpxDataSource.prototype * @type {Event} */ changedEvent: { get: function () { return this._changed; }, }, /** * Gets an event that will be raised if an error is encountered during processing. * @memberof GpxDataSource.prototype * @type {Event} */ errorEvent: { get: function () { return this._error; }, }, /** * Gets an event that will be raised when the data source either starts or stops loading. * @memberof GpxDataSource.prototype * @type {Event} */ loadingEvent: { get: function () { return this._loading; }, }, /** * Gets whether or not this data source should be displayed. * @memberof GpxDataSource.prototype * @type {boolean} */ show: { get: function () { return this._entityCollection.show; }, set: function (value) { this._entityCollection.show = value; }, }, /** * Gets or sets the clustering options for this data source. This object can be shared between multiple data sources. * * @memberof GpxDataSource.prototype * @type {EntityCluster} */ clustering: { get: function () { return this._entityCluster; }, set: function (value) { //>>includeStart('debug', pragmas.debug); if (!defined(value)) { throw new DeveloperError("value must be defined."); } //>>includeEnd('debug'); this._entityCluster = value; }, }, }); /** * Updates the data source to the provided time. This function is optional and * is not required to be implemented. It is provided for data sources which * retrieve data based on the current animation time or scene state. * If implemented, update will be called by {@link DataSourceDisplay} once a frame. * * @param {JulianDate} time The simulation time. * @returns {boolean} True if this data source is ready to be displayed at the provided time, false otherwise. */ GpxDataSource.prototype.update = function (time) { return true; }; /** * Asynchronously loads the provided GPX data, replacing any existing data. * * @param {string|Document|Blob} data A url, parsed GPX document, or Blob containing binary GPX data or a parsed GPX document. * @param {object} [options] An object with the following properties: * @param {boolean} [options.clampToGround] True if the symbols should be rendered at the same height as the terrain * @param {string} [options.waypointImage] Image to use for waypoint billboards. * @param {string} [options.trackImage] Image to use for track billboards. * @param {string} [options.trackColor] Color to use for track lines. * @param {string} [options.routeColor] Color to use for route lines. * @returns {Promise<GpxDataSource>} A promise that will resolve to this instances once the GPX is loaded. */ GpxDataSource.prototype.load = function (data, options) { if (!defined(data)) { throw new DeveloperError("data is required."); } options = options ?? Frozen.EMPTY_OBJECT; DataSource.setLoading(this, true); const oldName = this._name; const that = this; return load(this, this._entityCollection, data, options) .then(function () { let clock; const availability = that._entityCollection.computeAvailability(); let start = availability.start; let stop = availability.stop; const isMinStart = JulianDate.equals(start, Iso8601.MINIMUM_VALUE); const isMaxStop = JulianDate.equals(stop, Iso8601.MAXIMUM_VALUE); if (!isMinStart || !isMaxStop) { let date; // If start is min time just start at midnight this morning, local time Iif (isMinStart) { date = new Date(); date.setHours(0, 0, 0, 0); start = JulianDate.fromDate(date); } // If stop is max value just stop at midnight tonight, local time Iif (isMaxStop) { date = new Date(); date.setHours(24, 0, 0, 0); stop = JulianDate.fromDate(date); } clock = new DataSourceClock(); clock.startTime = start; clock.stopTime = stop; clock.currentTime = JulianDate.clone(start); clock.clockRange = ClockRange.LOOP_STOP; clock.clockStep = ClockStep.SYSTEM_CLOCK_MULTIPLIER; clock.multiplier = Math.round( Math.min( Math.max(JulianDate.secondsDifference(stop, start) / 60, 1), 3.15569e7, ), ); } let changed = false; if (clock !== that._clock) { that._clock = clock; changed = true; } if (oldName !== that._name) { changed = true; } if (changed) { that._changed.raiseEvent(that); } DataSource.setLoading(that, false); return that; }) .catch(function (error) { DataSource.setLoading(that, false); that._error.raiseEvent(that, error); console.log(error); return Promise.reject(error); }); }; export default GpxDataSource; |