kepler.gl.geoiq
Version:
kepler.gl is a webgl based application to visualize large scale location data in the browser
243 lines (207 loc) • 28.1 kB
JavaScript
;
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 _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
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 _baseWidget = _interopRequireDefault(require("../base-widget"));
var _aggregateUtils = require("../../utils/aggregate-utils");
var _functionWidgetIcon = _interopRequireDefault(require("./function-widget-icon"));
var _geoViewport = _interopRequireDefault(require("@mapbox/geo-viewport"));
var _viewportMercatorProject = _interopRequireDefault(require("viewport-mercator-project"));
var _fileHandler = require("../../processors/file-handler");
var _booleanDisjoint = _interopRequireDefault(require("@turf/boolean-disjoint"));
var _helpers = require("@turf/helpers");
var _simplifyGeojson = _interopRequireDefault(require("simplify-geojson"));
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 FunctionWidget =
/*#__PURE__*/
function (_Widget) {
(0, _inherits2["default"])(FunctionWidget, _Widget);
function FunctionWidget(props) {
(0, _classCallCheck2["default"])(this, FunctionWidget);
return (0, _possibleConstructorReturn2["default"])(this, (0, _getPrototypeOf2["default"])(FunctionWidget).call(this, props));
}
(0, _createClass2["default"])(FunctionWidget, [{
key: "calculateAggregationData",
value: function calculateAggregationData(newWidget, state, mapState) {
var latRange, lngRange;
var _newWidget$config = newWidget.config,
dataId = _newWidget$config.dataId,
aggregationType = _newWidget$config.aggregationType,
bounds = _newWidget$config.bounds;
var boundingBox;
var cUL, cUR, cLL, cLR;
var _state$datasets$dataI = state.datasets[dataId],
data = _state$datasets$dataI.data,
label = _state$datasets$dataI.label;
if (!newWidget.config.selectedLayer) {
return newWidget;
}
var idx = state.layers.findIndex(function (l) {
return l.id === newWidget.config.selectedLayer.id;
});
var fields = state.datasets[dataId].fields;
if (mapState && bounds) {
var longitude = mapState.longitude,
latitude = mapState.latitude,
height = mapState.height,
width = mapState.width,
zoom = mapState.zoom,
pitch = mapState.pitch,
bearing = mapState.bearing;
boundingBox = _geoViewport["default"].bounds([longitude, latitude], zoom, [width, height]);
var viewport = new _viewportMercatorProject["default"]({
width: width,
height: height,
longitude: longitude,
latitude: latitude,
zoom: zoom,
pitch: pitch,
bearing: bearing
});
cUL = viewport.unproject([0, 0]);
cUR = viewport.unproject([width, 0]);
cLR = viewport.unproject([width, height]);
cLL = viewport.unproject([0, height]);
latRange = (0, _toConsumableArray2["default"])(new Set([cLL[1], cUR[1], cLR[1], cUL[1]])).sort(function (a, b) {
return a - b;
});
lngRange = (0, _toConsumableArray2["default"])(new Set([cLL[0], cUR[0], cLR[0], cUL[0]])).sort(function (a, b) {
return a - b;
});
var boundingPolygon = {
type: 'Polygon',
coordinates: [[cUL, cUR, cLR, cLL]],
crs: {
type: 'name',
properties: {
name: 'EPSG:4326'
}
}
};
if ((0, _fileHandler.getFileType)(label) !== 'json' && boundingBox) {
var latIdx = state.layers[idx].config.columns.lat.fieldIdx;
var lngIdx = state.layers[idx].config.columns.lng.fieldIdx;
data = data.filter(function (d) {
return pitch || bearing ? !(0, _booleanDisjoint["default"])((0, _helpers.point)([d[lngIdx], d[latIdx]]), boundingPolygon) : d[latIdx] > latRange[0] && d[latIdx] < latRange[1] && d[lngIdx] > lngRange[0] && d[lngIdx] < lngRange[1];
});
} else if (boundingBox) {
if (!state.datasets[dataId].simplifiedGeoJSON || data.length !== state.datasets[dataId].simplifiedGeoJSON.length) {
state = _objectSpread({}, state, {
datasets: _objectSpread({}, state.datasets, (0, _defineProperty2["default"])({}, dataId, _objectSpread({}, state.datasets[dataId], {
simplifiedGeoJSON: data.map(function (d) {
return [].concat((0, _toConsumableArray2["default"])(d), [d[0] = (0, _simplifyGeojson["default"])(d[0], 0.01)]);
})
})))
});
} //commented part is using viewport to tell which point is in the viewport and faster than turf.js
// console.log('state inside geojson aggregation ', state);
// data = state.d atasets[dataId].simplifiedGeoJSON.filter(d =>
// d.geometry.coordinates.reduce((accu, val) => {
// var pointInsideBounds = false;
// if (accu) return accu;
// var i = 0;
// const flatVal = flatValToPoint(val);
// // if (val[i].length > 2) {
// // flatVal = val.flat();
// // }
// do {
// const p = flatVal[i];
// // console.log('point inside do while loop', p);
// if (
// viewport.project([p[0], p[1]])[0] > 0 &&
// viewport.project([p[0], p[1]])[0] < width &&
// viewport.project([p[0], p[1]])[1] > 0 &&
// viewport.project([p[0], p[1]])[1] < height
// ) {
// pointInsideBounds = true;
// }
// i++;
// } while (!pointInsideBounds && i < val.length);
// return pointInsideBounds;
// }, false)
// );
data = state.datasets[dataId].simplifiedGeoJSON.filter(function (d) {
return !(0, _booleanDisjoint["default"])(d[0], boundingPolygon);
}); // console.log(
// viewport.project([0, 0])[0] > 0 && viewport.project([0, 0])[0] < width
// );
// console.log(data.length);
// data = state.datasets[dataId].simplifiedGeoJSON.filter(
// d => !booleanDisjoint(d, boundingPolygon)
// );
// console.log(data.length);
// data = data.map(d => {
// console.log(d[0]);
// console.log();
// });
}
}
if (aggregationType === 'count') {
newWidget.config.aggregatedData = data.length;
} else {
var fieldName = newWidget.config.fieldName;
var fieldIdx = fields.findIndex(function (f) {
return f.name === fieldName;
});
if (fieldName) {
var fieldData = data.map(function (d) {
if (d.data) {
return d.data[fieldIdx];
} else {
return d[fieldIdx];
}
});
var aggregatedData = (0, _aggregateUtils.aggregate)(fieldData, aggregationType);
if (typeof aggregatedData === 'number') {
newWidget.config.aggregatedData = +aggregatedData.toFixed(2);
} else {
newWidget.config.aggregatedData = aggregatedData;
}
newWidget.config.aggregatedData;
}
} // console.log(
// 'newWidget and state inside calculateAggregationData',
// newWidget,
// state
// );
newWidget.config.isCalculating = false;
return {
newWidget: newWidget,
updatedState: state
};
}
}, {
key: "type",
get: function get() {
return 'Function';
}
}, {
key: "isAggregated",
get: function get() {
return false;
}
}, {
key: "widgetIcon",
get: function get() {
return _functionWidgetIcon["default"];
}
}, {
key: "widgetAggregatedData",
get: function get() {
return null;
}
}]);
return FunctionWidget;
}(_baseWidget["default"]);
exports["default"] = FunctionWidget;
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Copyright (c) 2019 Uber Technologies, Inc.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy\n// of this software and associated documentation files (the \"Software\"), to deal\n// in the Software without restriction, including without limitation the rights\n// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n// copies of the Software, and to permit persons to whom the Software is\n// furnished to do so, subject to the following conditions:\n//\n// The above copyright notice and this permission notice shall be included in\n// all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n// THE SOFTWARE.\n\nimport Widget from '../base-widget';\nimport {aggregate} from '../../utils/aggregate-utils';\nimport FunctionWidgetIcon from './function-widget-icon';\nimport geoViewport from '@mapbox/geo-viewport';\nimport WebMercatorViewport from 'viewport-mercator-project';\nimport {getFileType} from 'processors/file-handler';\nimport booleanDisjoint from '@turf/boolean-disjoint';\nimport {point, polygon} from '@turf/helpers';\n// import simplify from '@turf/simplify';\nimport simplify from 'simplify-geojson';\n\nexport default class FunctionWidget extends Widget {\n  constructor(props) {\n    super(props);\n  }\n  get type() {\n    return 'Function';\n  }\n  get isAggregated() {\n    return false;\n  }\n  get widgetIcon() {\n    return FunctionWidgetIcon;\n  }\n  get widgetAggregatedData() {\n    return null;\n  }\n\n  calculateAggregationData(newWidget, state, mapState) {\n    let latRange, lngRange;\n\n    const {dataId, aggregationType, bounds} = newWidget.config;\n    let boundingBox;\n    let cUL, cUR, cLL, cLR;\n    var {data, label} = state.datasets[dataId];\n\n    if (!newWidget.config.selectedLayer) {\n      return newWidget;\n    }\n\n    const idx = state.layers.findIndex(\n      l => l.id === newWidget.config.selectedLayer.id\n    );\n\n    const {fields} = state.datasets[dataId];\n\n    if (mapState && bounds) {\n      const {\n        longitude,\n        latitude,\n        height,\n        width,\n        zoom,\n        pitch,\n        bearing\n      } = mapState;\n\n      boundingBox = geoViewport.bounds([longitude, latitude], zoom, [\n        width,\n        height\n      ]);\n\n      const viewport = new WebMercatorViewport({\n        width: width,\n        height: height,\n        longitude: longitude,\n        latitude: latitude,\n        zoom: zoom,\n        pitch: pitch,\n        bearing: bearing\n      });\n      cUL = viewport.unproject([0, 0]);\n      cUR = viewport.unproject([width, 0]);\n      cLR = viewport.unproject([width, height]);\n      cLL = viewport.unproject([0, height]);\n\n      latRange = [...new Set([cLL[1], cUR[1], cLR[1], cUL[1]])].sort(\n        (a, b) => a - b\n      );\n      lngRange = [...new Set([cLL[0], cUR[0], cLR[0], cUL[0]])].sort(\n        (a, b) => a - b\n      );\n\n      const boundingPolygon = {\n        type: 'Polygon',\n        coordinates: [[cUL, cUR, cLR, cLL]],\n        crs: {\n          type: 'name',\n          properties: {\n            name: 'EPSG:4326'\n          }\n        }\n      };\n\n      if (getFileType(label) !== 'json' && boundingBox) {\n        const latIdx = state.layers[idx].config.columns.lat.fieldIdx;\n        const lngIdx = state.layers[idx].config.columns.lng.fieldIdx;\n        data = data.filter(d =>\n          pitch || bearing\n            ? !booleanDisjoint(point([d[lngIdx], d[latIdx]]), boundingPolygon)\n            : d[latIdx] > latRange[0] &&\n              d[latIdx] < latRange[1] &&\n              d[lngIdx] > lngRange[0] &&\n              d[lngIdx] < lngRange[1]\n        );\n      } else if (boundingBox) {\n        if (\n          !state.datasets[dataId].simplifiedGeoJSON ||\n          data.length !== state.datasets[dataId].simplifiedGeoJSON.length\n        ) {\n          state = {\n            ...state,\n            datasets: {\n              ...state.datasets,\n              [dataId]: {\n                ...state.datasets[dataId],\n                simplifiedGeoJSON: data.map(d => [\n                  ...d,\n                  (d[0] = simplify(d[0], 0.01))\n                ])\n              }\n            }\n          };\n        }\n\n        //commented part is using viewport to tell which point is in the viewport and faster than turf.js\n\n        // console.log('state inside geojson aggregation ', state);\n        // data = state.d atasets[dataId].simplifiedGeoJSON.filter(d =>\n        //   d.geometry.coordinates.reduce((accu, val) => {\n        //     var pointInsideBounds = false;\n        //     if (accu) return accu;\n        //     var i = 0;\n        //     const flatVal = flatValToPoint(val);\n        //     // if (val[i].length > 2) {\n        //     //   flatVal = val.flat();\n        //     // }\n        //     do {\n        //       const p = flatVal[i];\n        //       // console.log('point inside do while loop', p);\n        //       if (\n        //         viewport.project([p[0], p[1]])[0] > 0 &&\n        //         viewport.project([p[0], p[1]])[0] < width &&\n        //         viewport.project([p[0], p[1]])[1] > 0 &&\n        //         viewport.project([p[0], p[1]])[1] < height\n        //       ) {\n        //         pointInsideBounds = true;\n        //       }\n        //       i++;\n        //     } while (!pointInsideBounds && i < val.length);\n        //     return pointInsideBounds;\n        //   }, false)\n        // );\n        data = state.datasets[dataId].simplifiedGeoJSON.filter(\n          d => !booleanDisjoint(d[0], boundingPolygon)\n        );\n\n        // console.log(\n        //   viewport.project([0, 0])[0] > 0 && viewport.project([0, 0])[0] < width\n        // );\n        // console.log(data.length);\n        // data = state.datasets[dataId].simplifiedGeoJSON.filter(\n        //   d => !booleanDisjoint(d, boundingPolygon)\n        // );\n        // console.log(data.length);\n\n        // data = data.map(d => {\n        //   console.log(d[0]);\n        //   console.log();\n        // });\n      }\n    }\n\n    if (aggregationType === 'count') {\n      newWidget.config.aggregatedData = data.length;\n    } else {\n      const fieldName = newWidget.config.fieldName;\n      const fieldIdx = fields.findIndex(f => f.name === fieldName);\n      if (fieldName) {\n        let fieldData = data.map(d => {\n          if (d.data) {\n            return d.data[fieldIdx];\n          } else {\n            return d[fieldIdx];\n          }\n        });\n        const aggregatedData = aggregate(fieldData, aggregationType);\n        if (typeof aggregatedData === 'number') {\n          newWidget.config.aggregatedData = +aggregatedData.toFixed(2);\n        } else {\n          newWidget.config.aggregatedData = aggregatedData;\n        }\n        newWidget.config.aggregatedData;\n      }\n    }\n    // console.log(\n    //   'newWidget and state inside calculateAggregationData',\n    //   newWidget,\n    //   state\n    // );\n    newWidget.config.isCalculating = false;\n    return {newWidget, updatedState: state};\n  }\n}\n"]}