Files
openlayers/examples/vector-wfs-getfeature.js
Frederic Junod 79c8afdba8 Simplify import path in examples
To have the same path (starting with `ol/`, without `.js`) as in the documentation.
The support was added in the webpack config in #8928
2018-11-26 17:18:52 +01:00

67 lines
1.7 KiB
JavaScript

import Map from 'ol/Map';
import View from 'ol/View';
import {
equalTo as equalToFilter,
like as likeFilter,
and as andFilter
} from 'ol/format/filter';
import {WFS, GeoJSON} from 'ol/format';
import {Tile as TileLayer, Vector as VectorLayer} from 'ol/layer';
import BingMaps from 'ol/source/BingMaps';
import VectorSource from 'ol/source/Vector';
import {Stroke, Style} from 'ol/style';
const vectorSource = new VectorSource();
const vector = new VectorLayer({
source: vectorSource,
style: new Style({
stroke: new Stroke({
color: 'rgba(0, 0, 255, 1.0)',
width: 2
})
})
});
const raster = new TileLayer({
source: new BingMaps({
imagerySet: 'Aerial',
key: 'As1HiMj1PvLPlqc_gtM7AqZfBL8ZL3VrjaS3zIb22Uvb9WKhuJObROC-qUpa81U5'
})
});
const map = new Map({
layers: [raster, vector],
target: document.getElementById('map'),
view: new View({
center: [-8908887.277395891, 5381918.072437216],
maxZoom: 19,
zoom: 12
})
});
// generate a GetFeature request
const featureRequest = new WFS().writeGetFeature({
srsName: 'EPSG:3857',
featureNS: 'http://openstreemap.org',
featurePrefix: 'osm',
featureTypes: ['water_areas'],
outputFormat: 'application/json',
filter: andFilter(
likeFilter('name', 'Mississippi*'),
equalToFilter('waterway', 'riverbank')
)
});
// then post the request and add the received features to a layer
fetch('https://ahocevar.com/geoserver/wfs', {
method: 'POST',
body: new XMLSerializer().serializeToString(featureRequest)
}).then(function(response) {
return response.json();
}).then(function(json) {
const features = new GeoJSON().readFeatures(json);
vectorSource.addFeatures(features);
map.getView().fit(vectorSource.getExtent());
});