kepler.gl/dist/deckgl-layers/grid-layer/enhanced-cpu-grid-layer.js

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

"use strict";

var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = exports.gridAggregation = void 0;

var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));

var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));

var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));

var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));

var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));

var _aggregationLayers = require("@deck.gl/aggregation-layers");

var _cpuAggregator = _interopRequireWildcard(require("../layer-utils/cpu-aggregator"));

// Copyright (c) 2020 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 gridAggregation = {
  key: 'position',
  updateSteps: [{
    key: 'aggregate',
    triggers: {
      cellSize: {
        prop: 'cellSize'
      },
      position: {
        prop: 'getPosition',
        updateTrigger: 'getPosition'
      },
      aggregator: {
        prop: 'gridAggregator'
      }
    },
    updater: _cpuAggregator.getAggregatedData
  }]
};
exports.gridAggregation = gridAggregation;

var ScaleEnhancedGridLayer =
/*#__PURE__*/
function (_CPUGridLayer) {
  (0, _inherits2["default"])(ScaleEnhancedGridLayer, _CPUGridLayer);

  function ScaleEnhancedGridLayer() {
    (0, _classCallCheck2["default"])(this, ScaleEnhancedGridLayer);
    return (0, _possibleConstructorReturn2["default"])(this, (0, _getPrototypeOf2["default"])(ScaleEnhancedGridLayer).apply(this, arguments));
  }

  (0, _createClass2["default"])(ScaleEnhancedGridLayer, [{
    key: "initializeState",
    value: function initializeState() {
      var cpuAggregator = new _cpuAggregator["default"]({
        aggregation: gridAggregation
      });
      this.state = {
        cpuAggregator: cpuAggregator,
        aggregatorState: cpuAggregator.state
      };
      var attributeManager = this.getAttributeManager();
      attributeManager.add({
        positions: {
          size: 3,
          accessor: 'getPosition'
        }
      });
    }
  }]);
  return ScaleEnhancedGridLayer;
}(_aggregationLayers.CPUGridLayer);

exports["default"] = ScaleEnhancedGridLayer;
ScaleEnhancedGridLayer.layerName = 'ScaleEnhancedGridLayer';
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