kepler.gl.geoiq/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 _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));

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

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

var _deck = require("deck.gl");

var _luma = require("luma.gl");

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; }

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

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

  (0, _createClass2["default"])(ScatterplotIconLayer, [{
    key: "_getModel",
    value: function _getModel(gl) {
      // use default scatterplot shaders
      var shaders = this.getShaders();
      var defaultPos = [-1, -1, 0, -1, 1, 0, 1, 1, 0, 1, -1, 0];
      var iconGeometry = this.props.iconGeometry;
      var geometry = iconGeometry ? new _luma.Geometry({
        drawMode: _constants["default"].TRIANGLES,
        attributes: {
          positions: new Float32Array(iconGeometry)
        }
      }) : new _luma.Geometry({
        drawMode: _constants["default"].TRIANGLE_FAN,
        attributes: {
          positions: new Float32Array(defaultPos)
        }
      });
      return new _luma.Model(gl, _objectSpread({}, shaders, {
        id: this.props.id,
        geometry: geometry,
        isInstanced: true,
        shaderCache: this.context.shaderCache
      }));
    }
  }]);
  return ScatterplotIconLayer;
}(_deck.ScatterplotLayer);

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