Files
openlayers/examples/image-filter.html
2015-10-14 14:31:42 +02:00

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HTML

---
template: example.html
title: Image Filter Example
shortdesc: Apply a filter to imagery
docs: >
<p>Layer rendering can be manipulated in <code>precompose</code> and <code>postcompose</code> event listeners.
These listeners get an event with a reference to the Canvas rendering context.
In this example, the <code>postcompose</code> listener applies a filter to the image data.</p>
tags: "filter, image manipulation"
cloak:
Ak-dzM4wZjSqTlzveKz5u0d4IQ4bRzVI309GxmkgSVr1ewS6iPSrOvOKhA-CJlm3: Your Bing Maps Key from http://bingmapsportal.com/ here
---
<div class="row-fluid">
<div class="span12">
<div id="map" class="map"></div>
</div>
</div>
<select id="kernel" name="kernel">
<option>none</option>
<option selected>sharpen</option>
<option value="sharpenless">sharpen less</option>
<option>blur</option>
<option>shadow</option>
<option>emboss</option>
<option value="edge">edge detect</option>
</select>