// Copyright (c) 2015 - 2017 Uber Technologies, Inc. // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE. import {AccessorFunction, DefaultProps} from '@deck.gl/core'; import GeoCellLayer, {GeoCellLayerProps} from '../geo-cell-layer/GeoCellLayer'; import {getS2Polygon} from './s2-utils'; const defaultProps: DefaultProps = { getS2Token: {type: 'accessor', value: (d: any) => d.token} }; /** All properties supported by S2Layer. */ export type S2LayerProps = _S2LayerProps & GeoCellLayerProps; /** Properties added by S2Layer. */ type _S2LayerProps = { /** * Called for each data object to retrieve the quadkey string identifier. * * By default, it reads `token` property of data object. */ getS2Token?: AccessorFunction; }; /** Render filled and/or stroked polygons based on the [S2](http://s2geometry.io/) geospatial indexing system. */ export default class S2Layer extends GeoCellLayer< DataT, Required<_S2LayerProps> & ExtraProps > { static layerName = 'S2Layer'; static defaultProps = defaultProps; indexToBounds(): Partial | null { const {data, getS2Token} = this.props; return { data, _normalize: false, positionFormat: 'XY', getPolygon: (x: DataT, objectInfo) => getS2Polygon(getS2Token(x, objectInfo)) }; } }