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

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

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

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

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

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = (0, _getPrototypeOf2["default"])(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = (0, _getPrototypeOf2["default"])(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return (0, _possibleConstructorReturn2["default"])(this, result); }; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

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);

  var _super = _createSuper(ScaleEnhancedGridLayer);

  function ScaleEnhancedGridLayer() {
    (0, _classCallCheck2["default"])(this, ScaleEnhancedGridLayer);
    return _super.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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