59 lines
1.7 KiB
JavaScript
59 lines
1.7 KiB
JavaScript
/* Copyright (c) 2019 Jean-Marc VIGLINO,
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released under the CeCILL-B license (French BSD license)
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(http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.txt).
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*/
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import ol_source_BinBase from './BinBase.js'
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import ol_InseeGrid from '../render/InseeGrid.js';
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/** A source for INSEE grid
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* @constructor
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* @extends {ol.source.Vector}
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* @param {Object} options ol_source_VectorOptions + grid option
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* @param {ol.source.Vector} options.source Source
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* @param {number} [options.size] size of the grid in meter, default 200m
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* @param {function} [options.geometryFunction] Function that takes an ol.Feature as argument and returns an ol.geom.Point as feature's center.
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* @param {function} [options.flatAttributes] Function takes a bin and the features it contains and aggragate the features in the bin attributes when saving
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*/
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var ol_source_InseeBin = class olsourceInseeBin extends ol_source_BinBase {
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constructor(options) {
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options = options || {};
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super(options);
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this._grid = new ol_InseeGrid({ size: options.size });
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this.reset();
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}
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/** Set grid size
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* @param {number} size
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*/
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setSize(size) {
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if (this.getSize() !== size) {
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this._grid.set('size', size);
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this.reset();
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}
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}
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/** Get grid size
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* @return {number} size
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*/
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getSize() {
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return this._grid.get('size');
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}
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/** Get the grid geometry at the coord
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* @param {ol.Coordinate} coord
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* @returns {ol.geom.Polygon}
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* @api
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*/
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getGridGeomAt(coord) {
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return this._grid.getGridAtCoordinate(coord, this.getProjection());
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}
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/** Get grid extent
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* @param {ol.ProjectionLike} proj
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* @return {ol.Extent}
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*/
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getGridExtent(proj) {
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return this._grid.getExtent(proj);
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}
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}
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export default ol_source_InseeBin
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