kepler.gl
Version:
kepler.gl is a webgl based application to visualize large scale location data in the browser
62 lines (56 loc) • 8.18 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.pointToPolygonGeo = pointToPolygonGeo;
var _core = require("@deck.gl/core");
// Copyright (c) 2020 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
/**
* top left of the grid to a square polygon for the hover layer
* and current latitude
* @param {object} object
* @param {number} cellSize
* @param {number} coverage
* @param {object} properties
* @param {object} mapState
* @returns {object} - geojson feature
*/
// TODO: TEST
function pointToPolygonGeo(_ref) {
var object = _ref.object,
cellSize = _ref.cellSize,
coverage = _ref.coverage,
properties = _ref.properties,
mapState = _ref.mapState;
var position = object.position;
var viewport = new _core.WebMercatorViewport(mapState);
if (!position) {
return null;
}
return {
geometry: {
coordinates: [viewport.addMetersToLngLat(position, [cellSize * (0.5 - coverage / 2), cellSize * (0.5 - coverage / 2)]), viewport.addMetersToLngLat(position, [cellSize * (0.5 + coverage / 2), cellSize * (0.5 - coverage / 2)]), viewport.addMetersToLngLat(position, [cellSize * (0.5 + coverage / 2), cellSize * (0.5 + coverage / 2)]), viewport.addMetersToLngLat(position, [cellSize * (0.5 - coverage / 2), cellSize * (0.5 + coverage / 2)]), viewport.addMetersToLngLat(position, [cellSize * (0.5 - coverage / 2), cellSize * (0.5 - coverage / 2)])],
type: 'LineString'
},
properties: properties
};
}
//# 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