ol-ext/examples/control/map.switcher.image.html
2024-06-26 16:24:06 +02:00

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<!DOCTYPE html>
<html>
<head>
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Copyright (c) 2015-2017 Jean-Marc VIGLINO,
released under CeCILL-B (french BSD like) licence: http://www.cecill.info/
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<title>ol-ext: Layerswitcher image</title>
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<meta name="description" content="An OL3 layerswitcher image." />
<meta name="keywords" content="ol3, layer, layerswitcher, control, image, jQuery" />
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<a href="../../index.html">
<h1>ol-ext: Layerswitcher image</h1>
</a>
<div class="info">
A simple layer switcher control with image buttons to select the layers.
<ul>
<li>
The <i>title</i> or <i>name</i> layer's property is used to named the ol.layer in the switcher.
</li>
<li>
<i>displayInLayerSwitcher</i> layer's property to cause layer to not display in the LayerSwitcher
</li>
<li>
The <i>baseLayer</i> layer's property manage exclusive visibility on layers (only one base layer is shown at a time).
</li>
</ul>
It use the <a href="../layer/map.preview.html">layer.getPreview function</a>.
</div>
<!-- Map div -->
<div id="map" style="width:600px; height:400px;"></div>
<script type="text/javascript">
// Two base layers
var layer = new ol.layer.Geoportail({
baseLayer: true,
layer: 'ORTHOIMAGERY.ORTHOPHOTOS'
});
var osm = new ol.layer.Tile({
title: "OSM",
baseLayer: true,
source: new ol.source.OSM(),
visible: false
});
// GeoJSON layer with a preview attribute
var vectorSource = new ol.source.Vector({
url: '../data/fond_guerre.geojson',
projection: 'EPSG:3857',
format: new ol.format.GeoJSON(),
attributions: [ "&copy; <a href='https://data.culture.gouv.fr/explore/dataset/fonds-de-la-guerre-14-18-extrait-de-la-base-memoire'>data.culture.gouv.fr</a>" ],
logo:"https://www.data.gouv.fr/s/avatars/37/e56718abd4465985ddde68b33be1ef.jpg"
});
var vector = new ol.layer.Vector({
name: '1914-18',
preview: '//wsrv.nl/?url=http://www.culture.gouv.fr/Wave/image/memoire/2445/sap40_z0004141_v.jpg',
source: vectorSource
});
// The map
var map = new ol.Map({
target: 'map',
view: new ol.View({
zoom: 6,
center: [173664, 6166327]
}),
layers: [layer, osm, vector]
});
// Add a new Layerswitcher to the map
map.addControl (new ol.control.LayerSwitcherImage());
// Redraw layer when fonts are loaded
$(window).on("load", function(){ console.log("loaded"); vector.changed(); });
</script>
</body>
</html>