Labels and conditionals

[Mario S. Mommer]

Hello,

with Sphinx v1.5.5, I want to reference a figure by number. At the same
time, I want to have different image formats for html or for latex.
While I can get each feature to work, I haven't been successful at
getting the combination to work.

The following works, of course:

=============
Dear reader, behold :numref:`Fig %s <fooBar>`.

.. _fooBar:

.. figure:: docgraphs/dot/dot.png
:figwidth: 80 %
:width: 80 %
:align: center

=============

With conditionals it looks like follows (and does not work)

=============
Dear reader, behold :numref:`Fig %s <fooBar>`.

.. _fooBar:

.. only:: latex

.. figure:: docgraphs/dot/dot.png
:figwidth: 80 %
:width: 80 %
:align: center

.. only:: html

.. figure:: docgraphs/dot/dot.svg
:figwidth: 80 %
:width: 100 %
:align: center

================

It says "WARNING: undefined label:foobar"

An alternative does not work, either:

=============
Dear reader, behold :numref:`Fig %s <fooBar>`.

.. only:: latex

.. _fooBar:

.. figure:: docgraphs/dot/dot.png
:figwidth: 80 %
:width: 80 %
:align: center

.. only:: html

.. _fooBar:

.. figure:: docgraphs/dot/dot.svg
:figwidth: 80 %
:width: 100 %
:align: center

================

Here it says fist

WARNING: Duplicate explicit target name: foobar

and then

WARNING: undefined label: foobar

How can I place the labels correctly? Any ideas / advice?

Regards, and thanks,

Mario

[Takayuki Shimizukawa]

Hi Mario,

You can use `dot.*` as a filename.

refs: http://www.sphinx-doc.org/en/master/usage/restructuredtext/basics.html#images

```

Dear reader, behold :numref:`Fig %s <fooBar>`.

.. _fooBar:

.. figure:: docgraphs/dot/dot.*

   :figwidth: 80 %

   :width: 80 %

   :align: center

```

This provides `dot.svg` for html and `dot.png` for latex.

Please refer supported_image_types attribute in the bellow page. You can get the supported image format for each builders.

http://www.sphinx-doc.org/en/master/builders.html  

Regards,

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