kepler.gl/dist/layers/cluster-layer/cluster-layer.js

kepler.gl is a webgl based application to visualize large scale location data in the browser

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = exports.clusterVisConfigs = undefined;

var _extends2 = require('babel-runtime/helpers/extends');

var _extends3 = _interopRequireDefault(_extends2);

var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _createClass2 = require('babel-runtime/helpers/createClass');

var _createClass3 = _interopRequireDefault(_createClass2);

var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _inherits2 = require('babel-runtime/helpers/inherits');

var _inherits3 = _interopRequireDefault(_inherits2);

var _aggregationLayer = require('../aggregation-layer');

var _aggregationLayer2 = _interopRequireDefault(_aggregationLayer);

var _clusterLayer = require('../../deckgl-layers/cluster-layer/cluster-layer');

var _clusterLayer2 = _interopRequireDefault(_clusterLayer);

var _defaultSettings = require('../../constants/default-settings');

var _clusterLayerIcon = require('./cluster-layer-icon');

var _clusterLayerIcon2 = _interopRequireDefault(_clusterLayerIcon);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

// Copyright (c) 2018 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.

var clusterVisConfigs = exports.clusterVisConfigs = {
  opacity: 'opacity',
  clusterRadius: 'clusterRadius',
  colorRange: 'colorRange',
  radiusRange: 'clusterRadiusRange',
  'hi-precision': 'hi-precision',
  colorAggregation: 'aggregation'
};

var ClusterLayer = function (_AggregationLayer) {
  (0, _inherits3.default)(ClusterLayer, _AggregationLayer);

  function ClusterLayer(props) {
    (0, _classCallCheck3.default)(this, ClusterLayer);

    var _this = (0, _possibleConstructorReturn3.default)(this, (ClusterLayer.__proto__ || Object.getPrototypeOf(ClusterLayer)).call(this, props));

    _this.registerVisConfig(clusterVisConfigs);
    return _this;
  }

  (0, _createClass3.default)(ClusterLayer, [{
    key: 'renderLayer',
    value: function renderLayer(_ref) {
      var data = _ref.data,
          idx = _ref.idx,
          objectHovered = _ref.objectHovered,
          mapState = _ref.mapState,
          interaction = _ref.interaction,
          layerCallbacks = _ref.layerCallbacks;
      var visConfig = this.config.visConfig;


      return [new _clusterLayer2.default((0, _extends3.default)({}, data, {
        id: this.id,
        idx: idx,
        radiusScale: 1,
        radiusRange: visConfig.radiusRange,
        clusterRadius: visConfig.clusterRadius,
        colorRange: this.getColorRange(visConfig.colorRange),
        colorScale: this.config.colorScale,
        pickable: true,
        autoHighlight: true,
        highlightColor: this.config.highlightColor,
        opacity: visConfig.opacity,
        fp64: visConfig['hi-precision'],
        lightSettings: this.meta.lightSettings,
        zoom: mapState.zoom,

        // parameters
        parameters: { depthTest: mapState.dragRotate },

        // call back from layer after calculate clusters
        onSetColorDomain: layerCallbacks.onSetLayerDomain
      }))];
    }
  }, {
    key: 'type',
    get: function get() {
      return 'cluster';
    }
  }, {
    key: 'layerIcon',
    get: function get() {
      return _clusterLayerIcon2.default;
    }
  }, {
    key: 'visualChannels',
    get: function get() {
      return {
        color: {
          aggregation: 'colorAggregation',
          channelScaleType: _defaultSettings.CHANNEL_SCALES.colorAggr,
          defaultMeasure: 'Point Count',
          domain: 'colorDomain',
          field: 'colorField',
          key: 'color',
          property: 'color',
          range: 'colorRange',
          scale: 'colorScale'
        }
      };
    }
  }]);
  return ClusterLayer;
}(_aggregationLayer2.default);

exports.default = ClusterLayer;
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