# Bug Tracker

ID 62 Open venndiagram 1.0 Shading wrong areas

## Report

It seems that some update broke the venndiagram package. The same file that worked before in the Spring 2013, now produces a wrong output.

Luis Finotti

### MWE

\documentclass{article}

\usepackage{venndiagram}

\begin{document}

\begin{venndiagram3sets}
\fillOnlyA
\end{venndiagram3sets}

\end{document}

%%% Local Variables:
%%% mode: latex
%%% TeX-master: t
%%% End:


## Evaluation

This problem is caused by a change in syntax for atan2 in pgf v3.0. Fixed in v1.1 (2016-03-16). The package now checks the value of \pgfversion to determine whether the old syntax or new syntax should be used.

Comment from Michael Barnard
Date: 2016-10-14 11:54:07 CDT

It appears that the PGF version 3.0.1a has broken your fix. Perhaps you could add an option that allows the user to set \vennoldpgffalse manually. Something like,

\usepackage[vennoldpgffalse]{venndiagram}

Comment from Nicola Talbot
Date: 2016-10-15 14:18BST

I'll add a package option, but it should be possible to set it manually using

\vennoldpgffalse

I've reopened this since the fix no longer works.

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