Commu
Python
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README.md
changelog.txt
commu.desktop
commu.glade
commu.png
commu.py
commu.svg
commu_conf.py
commu_main.py
commu_objects.py
commu_preview.py
commu_templates.db
commu_templates.py
no_diagram.png
package.py
py2deb.py

README.md

COMMU

Commu is a graphical interface designed to aid drawing commutative diagrams in LaTeX.

Commutative diagrams are used in almost all areas of mathematics, especially in category theory and related fields, like algebraic geometry, algebraic topology, logic, etc. They are composed of objects, disposed in a grid-like fashion, and arrows (of many different shapes) connecting them.

The usual way of drawing a commutative diagram in LaTeX is to use a library like XYpic and write complex strings full of mnemonic codes to draw different arrow shapes, directions, and so on.

With Commu, you have a graphical interface that can export ready-to-use LaTeX code. You can save your diagram and edit them afterwards. You can use templates to fill only the relevant changes of many almost-equal diagrams. And, it exports code using the PGF/TikZ library, often giving a more pleasant output with respect to XYpic.

To see a small presentation of Commu, go to the address http://poisson.phc.unipi.it/~maggiolo/Software/commu/.

Installation on Linux

You can just grab the sources from here or from the website http://poisson.phc.unipi.it/~maggiolo/Software/commu/ and run them from the repository

python ./commu.py

If you are running a Debian-based distribution, you can try install the deb file in the same website.

sudo dpkg -i ./commu*deb

Installation on Max OS X

It is possible to use Commu on Mac OS X. You have to install pyGTK from http://sourceforge.net/projects/macpkg/files/PyGTK/.

Installation on Windows

It is possible to use Commu on Windows. The easiest way is to install some Linux distribution. The hardest is to install pyGTK. But you have to figure it out by yourself. If you manage to do it, please tell us so we can update this section.