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Public Lab Wiki documentation

Topic Pages

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Notice This is a test.

Topic pages are used to organize communities and shared resources around specific topics, such as those listed on the Topics index, at


Card text and image

On the top of topic pages, a card is shown with the topic name, and a short text (as in the above screenshot), and a background image may be shown. This is drawn from the very first paragraph of the wiki page bearing the same name; so for the topic balloon-mapping, the text is drawn from The image is also taken from the lead image of the wiki page of that name.

If no matching wiki page exists, you'll see a prompt to create one.

Aliases and redirects

If you want the lead text and image to be drawn from a different wiki page, you can make the matching wiki page a "redirect page" by adding the tag redirect:______, where ______ is replaced with the text from the URL of the page you really want.

For example, if you're on the topic page for algal-blooms but want the text and image to be drawn from algae, you can make a page at, but then add the tag redirect:algae to that page. Then, anyone visiting will be redirected to, and the text and lead image of /algae will be used on the card for the topic algal-blooms. That is, the topic page can follow redirects to find the text and lead image to display.


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