dealii documentation

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Praveen C

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Oct 9, 2025, 7:26:05 AM (5 days ago) Oct 9
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Dear all

The documentation is now using multiple column layout which I find hard to navigate.

I liked the way it looked before.

If I want to build the documentation myself and make it look like before, how would I do this ?

thanks
praveen

Wolfgang Bangerth

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Oct 10, 2025, 1:47:54 AM (5 days ago) Oct 10
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Praveen:
if you configure with
cmake -DDEAL_II_COMPONENT_DOCUMENTATION=ON <...>
you can then do
make documentation, and it will call doxygen to create all of the
documentation locally.

That said, I'm not sure where we use multiple-columns. Can you point to an
example?

Best
W.

Praveen C

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Oct 10, 2025, 2:04:21 AM (5 days ago) Oct 10
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Hello Wolfgang

When I download doc and open it locally, I see

Screenshot 2025-10-10 at 11.20.16 AM.png

This is less of an issue.

More than this, the need to scroll horizontally on almost all pages is making it hard to read.

If the return type of one function is too long, then you need to scroll quite a bit to the right to read the actual content, unless you are on a very big screen.

e.g.


The scrolling was much less needed in the old template.

Functions are listed in two columns

TEMPLATE
RETURN_TYPE  |  FUNCTION_NAME(ARGS)

A layout like this would reduce horizontal scrolling

TEMPLATE
RETURN_TYPE
FUNCTION_NAME(ARGS)


I think I need to play with the css files to change this.

best
praveen


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Marc Fehling

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Oct 13, 2025, 10:53:46 AM (yesterday) Oct 13
to deal.II User Group
Hi Praveen,

doxygen added these navigation columns by default as a new feature in version 1.13.0. With pull request #18932, those will be disabled for the deal.II documentation.

I believe we adjusted these flags on our hosted documentation already, but didn't update it in the dox file in our repository.

Best,
Marc
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