Files
openlayers/examples/wms-custom-tilegrid-512x256.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

44 lines
1.1 KiB
JavaScript

import Map from 'ol/Map';
import View from 'ol/View';
import {getWidth} from 'ol/extent';
import TileLayer from 'ol/layer/Tile';
import {get as getProjection} from 'ol/proj';
import OSM from 'ol/source/OSM';
import TileWMS from 'ol/source/TileWMS';
import TileGrid from 'ol/tilegrid/TileGrid';
const projExtent = getProjection('EPSG:3857').getExtent();
const startResolution = getWidth(projExtent) / 256;
const resolutions = new Array(22);
for (let i = 0, ii = resolutions.length; i < ii; ++i) {
resolutions[i] = startResolution / Math.pow(2, i);
}
const tileGrid = new TileGrid({
extent: [-13884991, 2870341, -7455066, 6338219],
resolutions: resolutions,
tileSize: [512, 256]
});
const layers = [
new TileLayer({
source: new OSM()
}),
new TileLayer({
source: new TileWMS({
url: 'https://ahocevar.com/geoserver/wms',
params: {'LAYERS': 'topp:states', 'TILED': true},
serverType: 'geoserver',
tileGrid: tileGrid
})
})
];
const map = new Map({
layers: layers,
target: 'map',
view: new View({
center: [-10997148, 4569099],
zoom: 4
})
});