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itowns

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A JS/WebGL framework for 3D geospatial data visualization

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export namespace FEATURE_TYPES { let POINT: number; let LINE: number; let POLYGON: number; } /** * @typedef {Object} FeatureBuildingOptions * @property {string} crs - The CRS to convert the input coordinates to. * @property {string} [structure='2d'] - data structure type : 2d or 3d. * If the structure is 3d, the feature have 3 dimensions by vertices positions and * a normal for each vertices. * @property {Extent|boolean} [filteringExtent=undefined] - Optional filter to reject * features outside of extent. Extent filtering is file extent if filteringExtent is true. * @property {boolean} [buildExtent] - If true the geometry will * have an extent property containing the area covered by the geometry. * Default value is false if `structure` parameter is set to '3d', and true otherwise. * True if the layer does not inherit from {@link GeometryLayer}. * @property {string} forcedExtentCrs - force feature extent crs if buildExtent is true. * @property {function} [filter] - Filter function to remove features * @property {boolean} [mergeFeatures=true] - If true all geometries are merged by type and multi-type. * @property {Style} style - The style to inherit when creating * style for all new features. * */ /** * @property {Extent} extent - The 2D extent containing all the points * composing the geometry. * @property {Object[]} indices - Contains the indices that define the geometry. * Objects stored in this array have two properties, an `offset` and a `count`. * The offset is related to the overall number of vertices in the Feature. * * @property {Object} properties - Properties of the geometry. It can be * anything specified in the GeoJSON under the `properties` property. */ export class FeatureGeometry { /** * @param {Feature} feature geometry */ constructor(feature: Feature); indices: any[]; properties: {}; size: number; extent: Extent | undefined; /** * Add a new marker to indicate the starting of sub geometry and extends the vertices buffer. * Then you have to push new the coordinates of sub geometry. * The sub geometry stored in indices, see constructor for more information. * @param {number} count - count of vertices * @param {Feature} feature - the feature containing the geometry */ startSubGeometry(count: number, feature: Feature): void; /** * After you have pushed new the coordinates of sub geometry without * `startSubGeometry`, this function close sub geometry. The sub geometry * stored in indices, see constructor for more information. * @param {number} count count of vertices * @param {Feature} feature - the feature containing the geometry */ closeSubGeometry(count: number, feature: Feature): void; getLastSubGeometry(): any; /** * Push new coordinates in vertices buffer. * @param {Feature} feature - the feature containing the geometry * @param {Coordinates} coordIn The coordinates to push. */ pushCoordinates(feature: Feature, coordIn: Coordinates): void; /** * Push new values coordinates in vertices buffer without any transformation. * No geographical conversion is made or the normal doesn't stored. * * @param {Feature} feature - the feature containing the geometry * @param {Object} coordIn An object containing the coordinates values to push. * @param {number} coordIn.x the x coordinate (in a local system). * @param {number} coordIn.y the y coordinate (in a local system). * @param {THREE.Vector3} [coordIn.normal] the normal on coordinates (only for `EPSG:4978` projection). * @param {Coordinates} [coordProj] An optional argument containing the geodesic coordinates in EPSG:4326 * It allows the user to get access to the feature coordinates to set style.base_altitude. */ pushCoordinatesValues(feature: Feature, coordIn: { x: number; y: number; normal?: THREE.Vector3 | undefined; }, coordProj?: Coordinates, ...args: any[]): void; /** * update geometry extent with the last sub geometry extent. */ updateExtent(): void; #private; } export default Feature; /** * An object regrouping a list of [features]{@link Feature} and the extent of this collection. * **Warning**, the data (`extent` or `Coordinates`) can be stored in a local system. * The local system center is the `center` property. * To use `Feature` vertices or `FeatureCollection/Feature` extent in FeatureCollection.crs projection, * it's necessary to transform `Coordinates` or `Extent` by `FeatureCollection.matrixWorld`. * * ```js * // To have featureCollection extent in featureCollection.crs projection: * featureCollection.extent.applyMatrix4(featureCollection.matrixWorld); * * // To have feature vertex in featureCollection.crs projection: * const vertices = featureCollection.features[0].vertices; * coord.crs = featureCollection.crs; * coord.setFromArray(vertices) * coord.applyMatrix4(featureCollection.matrixWorld); *``` * * @extends THREE.Object3D * * @property {Feature[]} features - The array of features composing the * collection. * @property {Extent?} extent - The 2D extent containing all the features * composing the collection. The extent projection is the same local projection `FeatureCollection`. * To transform `FeatureCollection.extent` to `FeatureCollection.crs` projection, the transformation matrix must be applied. * * **WARNING** if crs is `EPSG:4978` because the 3d geocentric system doesn't work with 2D `Extent`, * The FeatureCollection.extent projection is the original projection. * In this case, there isn't need to transform the extent. * * @property {string} crs - Geographic or Geocentric coordinates system. * @property {boolean} isFeatureCollection - Used to check whether this is FeatureCollection. * @property {number} size - The size structure, it's 3 for 3d and 2 for 2d. * @property {Style} style - The collection style used to display the feature collection. * @property {boolean} isInverted - This option is to be set to the * correct value, true or false (default being false), if the computation of * the coordinates needs to be inverted to same scheme as OSM, Google Maps * or other system. See [this link]( * https://alastaira.wordpress.com/2011/07/06/converting-tms-tile-coordinates-to-googlebingosm-tile-coordinates) * for more informations. * @property {THREE.Matrix4} matrixWorldInverse - The matrix world inverse. * @property {Coordinates} center - The local center coordinates in `EPSG:4326`. * The local system is centred in this center. * */ export class FeatureCollection extends THREE.Object3D<THREE.Object3DEventMap> { /** * @param {FeatureBuildingOptions|Layer} options The building options . */ constructor(options: FeatureBuildingOptions | Layer); isFeatureCollection: boolean; crs: any; features: any[]; mergeFeatures: any; size: number; filterExtent: any; style: any; isInverted: boolean; matrixWorldInverse: THREE.Matrix4; center: Coordinates; extent: Extent | undefined; normalMatrixInverse: THREE.Matrix3; /** * Apply the matrix World inverse on the coordinates. * This method is used when the coordinates is pushed * to transform it in local system. * * @param {Coordinates} coordinates The coordinates * @returns {Coordinates} The coordinates in local system */ transformToLocalSystem(coordinates: Coordinates): Coordinates; /** * Update FeatureCollection extent with `extent` or all features extent if * `extent` is `undefined`. * @param {Extent} extent */ updateExtent(extent: Extent): void; /** * Updates the global transform of the object and its descendants. * * @param {boolean} force The force */ updateMatrixWorld(force: boolean): void; /** * Remove features that don't have {@link FeatureGeometry}. */ removeEmptyFeature(): void; /** * Push the `feature` in FeatureCollection. * @param {Feature} feature */ pushFeature(feature: Feature): void; requestFeature(type: any, callback: any): any; /** * Returns the Feature by type if `mergeFeatures` is `true` or returns the * new instance of typed Feature. * * @param {string} type the type requested * @returns {Feature} */ requestFeatureByType(type: string): Feature; /** * Returns the Feature by type if `mergeFeatures` is `true` or returns the * new instance of typed Feature. * * @param {string} id the id requested * @param {string} type the type requested * @returns {Feature} */ requestFeatureById(id: string, type: string): Feature; /** * Add a new feature with references to all properties. * It allows to have features with different styles * without having to duplicate the geometry. * @param {Feature} feature The feature to reference. * @return {Feature} The new referenced feature */ newFeatureByReference(feature: Feature): Feature; #private; } export type FeatureBuildingOptions = { /** * - The CRS to convert the input coordinates to. */ crs: string; /** * - data structure type : 2d or 3d. * If the structure is 3d, the feature have 3 dimensions by vertices positions and * a normal for each vertices. */ structure?: string | undefined; /** * - Optional filter to reject * features outside of extent. Extent filtering is file extent if filteringExtent is true. */ filteringExtent?: boolean | Extent | undefined; /** * - If true the geometry will * have an extent property containing the area covered by the geometry. * Default value is false if `structure` parameter is set to '3d', and true otherwise. * True if the layer does not inherit from {@link GeometryLayer}. */ buildExtent?: boolean | undefined; /** * - force feature extent crs if buildExtent is true. */ forcedExtentCrs: string; /** * - Filter function to remove features */ filter?: Function | undefined; /** * - If true all geometries are merged by type and multi-type. */ mergeFeatures?: boolean | undefined; /** * - The style to inherit when creating * style for all new features. */ style: Style; }; import { Extent } from '@itowns/geographic'; /** * * This class improves and simplifies the construction and conversion of geographic data structures. * It's an intermediary structure between geomatic formats and THREE objects. * * **Warning**, the data (`extent` or `Coordinates`) can be stored in a local system. * To use vertices or extent in `Feature.crs` projection, * it's necessary to transform `Coordinates` or `Extent` by `FeatureCollection.matrixWorld`. * * ```js * // To have feature extent in featureCollection.crs projection: * feature.extent.applyMatrix4(featureCollection.matrixWorld); * * // To have feature vertex in feature.crs projection: * coord.crs = feature.crs; * coord.setFromArray(feature.vertices) * coord.applyMatrix4(featureCollection.matrixWorld); *``` * * @property {string} type - Geometry type, can be `point`, `line`, or * `polygon`. * @property {number[]} vertices - All the vertices of the Feature. * @property {number[]} normals - All the normals of the Feature. * @property {number} size - the number of values of the array that should be associated with a coordinates. * The size is 3 with altitude and 2 without altitude. * @property {boolean} hasRawElevationData - indicates if the geographic coordinates, from original source, has an elevation, * the coordinates has a third coordinate. * @property {string} crs - Geographic or Geocentric coordinates system. * @property {FeatureGeometry[]} geometries - An array containing all {@link * FeatureGeometry}. * @property {Extent?} extent - The extent containing all the geometries * composing the feature. */ declare class Feature { /** * * @param {string} type type of Feature. It can be 'point', 'line' or 'polygon'. * @param {FeatureCollection} collection Parent feature collection. */ constructor(type: string, collection: FeatureCollection); type: string; geometries: any[]; vertices: any[]; crs: any; size: number; normals: never[] | undefined; hasRawElevationData: boolean; transformToLocalSystem: (coordinates: Coordinates) => Coordinates; extent: Extent | undefined; useCrsOut: boolean | undefined; _pos: number; _pushValues: typeof push3DValues; style: (properties: Object, featCtx: FeatureContext) => StyleOptions; /** * Instance a new {@link FeatureGeometry} and push in {@link Feature}. * @returns {FeatureGeometry} the instancied geometry. */ bindNewGeometry(): FeatureGeometry; /** * Update {@link Extent} feature with {@link Extent} geometry * @param {FeatureGeometry} geometry used to update Feature {@link Extent} */ updateExtent(geometry: FeatureGeometry): void; /** * @returns {number} the count of geometry. */ get geometryCount(): number; } import { Coordinates } from '@itowns/geographic'; import * as THREE from 'three'; declare function push3DValues(value0: any, value1: any, value2?: number): void;