[pstricks] WriteBig.tex

[Christopher Ellison]

http://tug.org/PSTricks/main.cgi?file=Examples/Text/WriteBig

How can I get \WriteBig working with math fonts? For instance, I would like 
to do the following:

\WriteBig{$\pi$}{4.5cm}{3mm}{blue}{white}

\WriteBig{$\nabla \cdot A$}{4.5cm}{3mm}{blue}{white}

Thanks.