kepler.gl/dist/deckgl-layers/column-layer/enhanced-column-layer.js

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

"use strict";

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

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

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

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

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

var _get2 = _interopRequireDefault(require("@babel/runtime/helpers/get"));

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 _layers = require("@deck.gl/layers");

var _shaderUtils = require("../layer-utils/shader-utils");

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { (0, _defineProperty2["default"])(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

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; } }

function addInstanceCoverage(vs) {
  var addDecl = (0, _shaderUtils.editShader)(vs, 'hexagon cell vs add instance', 'attribute vec3 instancePickingColors;', "attribute vec3 instancePickingColors;\n     attribute float instanceCoverage;");
  return (0, _shaderUtils.editShader)(addDecl, 'hexagon cell vs add instance', 'float dotRadius = radius * coverage * shouldRender;', 'float dotRadius = radius * coverage * instanceCoverage * shouldRender;');
} // TODO: export all deck.gl layers from kepler.gl


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

  var _super = _createSuper(EnhancedColumnLayer);

  function EnhancedColumnLayer() {
    (0, _classCallCheck2["default"])(this, EnhancedColumnLayer);
    return _super.apply(this, arguments);
  }

  (0, _createClass2["default"])(EnhancedColumnLayer, [{
    key: "getShaders",
    value: function getShaders() {
      var shaders = (0, _get2["default"])((0, _getPrototypeOf2["default"])(EnhancedColumnLayer.prototype), "getShaders", this).call(this);
      return _objectSpread(_objectSpread({}, shaders), {}, {
        vs: addInstanceCoverage(shaders.vs)
      });
    }
  }, {
    key: "initializeState",
    value: function initializeState() {
      (0, _get2["default"])((0, _getPrototypeOf2["default"])(EnhancedColumnLayer.prototype), "initializeState", this).call(this);
      this.getAttributeManager().addInstanced({
        instanceCoverage: {
          size: 1,
          accessor: 'getCoverage'
        }
      });
    }
  }]);
  return EnhancedColumnLayer;
}(_layers.ColumnLayer);

EnhancedColumnLayer.layerName = 'EnhancedColumnLayer';
var _default = EnhancedColumnLayer;
exports["default"] = _default;
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