kepler.gl.geoiq
Version:
kepler.gl is a webgl based application to visualize large scale location data in the browser
214 lines (187 loc) • 25.3 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.calculateAggregationData = calculateAggregationData;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
var _aggregateUtils = require("../aggregate-utils");
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(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { (0, _defineProperty2["default"])(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
// export const WIDGET_TYPES = keyMirror({
// function: null
// });
// function range(a, b) {
// if (a > b) {
// return [b, a];
// }
// return [a, b];
// }
// function flatValToPoint(arr) {
// const flatInfinityArrLength = arr.flat(Infinity).length;
// const arrLength = arr.length;
// if (arr.flat().length === flatInfinityArrLength) {
// return arr;
// } else {
// return flatValToPoint(arr.flat());
// }
// }
function calculateAggregationData(newWidget, state, mapState) {
var latRange;
var lngRange;
var _newWidget$config = newWidget.config,
dataId = _newWidget$config.dataId,
aggregationType = _newWidget$config.aggregationType,
bounds = _newWidget$config.bounds;
var boundingBox;
var cLL;
var cLR;
var cUL;
var cUR;
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) {
state = _objectSpread(_objectSpread({}, state), {}, {
datasets: _objectSpread(_objectSpread({}, state.datasets), {}, (0, _defineProperty2["default"])({}, dataId, _objectSpread(_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];
}
return d[fieldIdx];
});
var aggregatedData = (0, _aggregateUtils.aggregate)(fieldData, aggregationType);
if (typeof aggregatedData === 'number') {
newWidget.config.aggregatedData = Number(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
};
}
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Copyright (c) 2023 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 {aggregate} from 'utils/aggregate-utils'; // list of functions\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// export const WIDGET_TYPES = keyMirror({\n//   function: null\n// });\n\n// function range(a, b) {\n//   if (a > b) {\n//     return [b, a];\n//   }\n//   return [a, b];\n// }\n\n// function flatValToPoint(arr) {\n//   const flatInfinityArrLength = arr.flat(Infinity).length;\n//   const arrLength = arr.length;\n//   if (arr.flat().length === flatInfinityArrLength) {\n//     return arr;\n//   } else {\n//     return flatValToPoint(arr.flat());\n//   }\n// }\n\nexport function calculateAggregationData(newWidget, state, mapState) {\n  let latRange; let lngRange;\n\n  const {dataId, aggregationType, bounds} = newWidget.config;\n  let boundingBox;\n  let cLL; let cLR; let cUL; let cUR;\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 {longitude, latitude, height, width, zoom, pitch, bearing} = mapState;\n\n    boundingBox = geoViewport.bounds([longitude, latitude], zoom, [\n      width,\n      height\n    ]);\n\n    const viewport = new WebMercatorViewport({\n      width,\n      height,\n      longitude,\n      latitude,\n      zoom,\n      pitch,\n      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 (!state.datasets[dataId].simplifiedGeoJSON) {\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      const fieldData = data.map(d => {\n        if (d.data) {\n          return d.data[fieldIdx];\n        } \n          return d[fieldIdx];\n        \n      });\n      const aggregatedData = aggregate(fieldData, aggregationType);\n      if (typeof aggregatedData === 'number') {\n        newWidget.config.aggregatedData = Number(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"]}