@deck.gl/geo-layers/src/s2-layer/s2-layer.js

deck.gl layers supporting geospatial use cases and GIS formats

// 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 GeoCellLayer from '../geo-cell-layer/GeoCellLayer';
import {getS2Polygon} from './s2-utils';

const defaultProps = {
  getS2Token: {type: 'accessor', value: d => d.token}
};

export default class S2Layer extends GeoCellLayer {
  indexToBounds() {
    const {data, getS2Token} = this.props;

    return {
      data,
      _normalize: false,
      positionFormat: 'XY',
      getPolygon: (x, objectInfo) => getS2Polygon(getS2Token(x, objectInfo))
    };
  }
}

S2Layer.layerName = 'S2Layer';
S2Layer.defaultProps = defaultProps;