c2bde4e482
Upscaling the image to zoom levels > 8 does not make sense, and it may even cause canvas transformations to fail.
43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
goog.require('ol.Attribution');
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goog.require('ol.Map');
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goog.require('ol.View');
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goog.require('ol.extent');
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goog.require('ol.layer.Image');
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goog.require('ol.proj.Projection');
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goog.require('ol.source.ImageStatic');
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// Map views always need a projection. Here we just want to map image
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// coordinates directly to map coordinates, so we create a projection that uses
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// the image extent in pixels.
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var extent = [0, 0, 1024, 968];
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var projection = new ol.proj.Projection({
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code: 'xkcd-image',
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units: 'pixels',
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extent: extent
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});
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var map = new ol.Map({
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layers: [
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new ol.layer.Image({
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source: new ol.source.ImageStatic({
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attributions: [
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new ol.Attribution({
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html: '© <a href="http://xkcd.com/license.html">xkcd</a>'
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})
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],
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url: 'http://imgs.xkcd.com/comics/online_communities.png',
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projection: projection,
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imageExtent: extent
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})
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})
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],
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target: 'map',
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view: new ol.View({
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projection: projection,
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center: ol.extent.getCenter(extent),
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zoom: 2,
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maxZoom: 8
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})
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});
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