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What is ITS?

The Image Transformation Service (ITS) is a unique tool created to take large “mezzanine” images and reduce them to a variety of sizes on the fly. A single image can be modified so that it will work on pages and platforms that may require many different image sizes.  

Fast facts

Important notes about ITS

A few things to remember when using ITS:

  • Start with the largest image file size possible.
  • Supported output file types are jpg, png, and gif only.
  • You must manually add parameters in the decorator to customize the image returned from ITS.
  • If using the proxy service, images may take a few days to be cached in the CDN.

For PBS Internal Developers

Watch out for DNS issues - a 404 maybe be returned when using image.pbs.org.

Use Google's DNS.

Sample code here: https://projects.pbs.org/stash/projects/ITS/repos/image-transform-service/browse/examples/its_client.py

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