OpenLayers示例代码：缩放
OpenLayers示例代码：缩放
<!DOCTYPE html>
<html>
<head>
<title>Zoomify</title>
<link rel="stylesheet" href="https://openlayers.org/en/v4.0.1/css/ol.css" type="text/css">
<!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->
<script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL"></script>
<script src="https://openlayers.org/en/v4.0.1/build/ol.js"></script>
</head>
<body>
<div id="map" class="map"></div>
<script>
var imgWidth = 9911;
var imgHeight = 6100;
var source = new ol.source.Zoomify({
url: 'http://vips.vtech.fr/cgi-bin/iipsrv.fcgi?zoomify=' +
'/mnt/MD1/AD00/plan_CHU-4HD-01/FOND.TIF/',
size: [imgWidth, imgHeight],
crossOrigin: 'anonymous'
});
var extent = [0, -imgHeight, imgWidth, 0];
var map = new ol.Map({
layers: [
new ol.layer.Tile({
source: source
})
],
target: 'map',
view: new ol.View({
// adjust zoom levels to those provided by the source
resolutions: source.getTileGrid().getResolutions(),
// constrain the center: center cannot be set outside this extent
extent: extent
})
});
map.getView().fit(extent);
</script>
</body>
</html>
说明：
OpenLayers示例代码：缩放
