kepler.gl/dist/deckgl-layers/svg-icon-layer/scatterplot-icon-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 _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 _core = require("@luma.gl/core");

var _constants = _interopRequireDefault(require("@luma.gl/constants"));

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; } }

var DEFAULT_POS = [-1, -1, 0, -1, 1, 0, 1, 1, 0, 1, -1, 0];

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

  var _super = _createSuper(ScatterplotIconLayer);

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

  (0, _createClass2["default"])(ScatterplotIconLayer, [{
    key: "_getModel",
    value: function _getModel(gl) {
      // use default scatterplot shaders
      var shaders = this.getShaders();
      var iconGeometry = this.props.iconGeometry;
      var geometry = iconGeometry ? new _core.Geometry({
        drawMode: _constants["default"].TRIANGLES,
        attributes: {
          positions: new Float32Array(iconGeometry)
        }
      }) : new _core.Geometry({
        drawMode: _constants["default"].TRIANGLE_FAN,
        attributes: {
          positions: new Float32Array(DEFAULT_POS)
        }
      });
      return new _core.Model(gl, _objectSpread(_objectSpread({}, shaders), {}, {
        id: this.props.id,
        geometry: geometry,
        isInstanced: true,
        shaderCache: this.context.shaderCache
      }));
    }
  }]);
  return ScatterplotIconLayer;
}(_layers.ScatterplotLayer);

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