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<!-- This file is the root of https://cdn.proj.org/ -->
<!-- Part of it is generated by the regenerate_index_html.py script -->
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" >
<title>PROJ Datumgrid CDN</title>
</head>
<body>
<h1>PROJ.org Datumgrid CDN</h1>
<p>
The s3://cdn.proj.org bucket is hosted by the
<a href="https://aws.amazon.com/opendata/public-datasets/">Amazon Public Datasets</a> program, and it
can be accessed via HTTP/S at <a href="https://cdn.proj.org">cdn.proj.org</a>. CDN services are
provided by the AWS Public Dataset team via <a href="https://aws.amazon.com/cloudfront/">CloudFront</a>.
</p>
<p>
The CDN contains <a href="https://www.cogeo.org/">Cloud Optimized GeoTIFF</a> datasets which are mirrored and
managed by the
<a href="https://github.com/OSGeo/proj-datumgrid-geotiff/">https://github.com/OSGeo/proj-datumgrid-geotiff/</a>
GitHub project. Files in the CDN are designed to be used by <a href="https://proj.org">PROJ</a> 7 or later, but any software
project wishing to use the CDN for shifting support are encouraged to participate in the project and leverage the CDN.
</p>
<h2>Mirroring</h2>
<p>If you are able, you are encouraged to mirror the grids via AWS S3 command line: </p>
<pre>aws s3 sync s3://cdn.proj.org .</pre>
<p>If direct S3 access is not possible, you can also use <i>wget</i> to locally mirror
the data: </p>
<pre>wget --mirror https://cdn.proj.org/</pre>
<h2>Logs</h2>
<p>Access logs to this resource are permanently deleted after one day, are not
mirrored or stored, and are not publicly available. If this policy is not
sufficient, users are encourage to mirror a local copy of the grid files and
access them directly.
</p>
<h2>Content</h2> <p>The bucket contains the following files:</p>
<ul>
<li><a href="README.DATUMGRID">README.DATUMGRID</a></li>
${LINKS_WILL_BE_ADDED_HERE_BY_REGENERATE_INDEX_HTML}
</ul>
<p>
Total size of content: ${TOTAL_SIZE}
</p>
<div style="text-align: center;">
<a href="https://aws.amazon.com/what-is-cloud-computing">
<img src="https://d0.awsstatic.com/logos/powered-by-aws.png" style="position: relative; top: 50%; transform: translateY(50%);" alt="Powered by AWS Cloud Computing">
</a> for use by
<a href="https://proj.org">
<img src="https://proj.org/_static/logo.png" style="position: relative; top: 50%; transform: translateY(50%);" alt="PROJ"></a>
</div>
</body>
</html>
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