# [pstricks] nodes and FP package

Herbert Voss LaTeX at zedat.fu-berlin.de
Wed Jul 12 13:09:30 CEST 2006

Francisco A. S. Grossi wrote:
> I have an strange behavior that I cannot figure out. I draw two nodes and
> connect them:
>
> - with direct definitions
> - with coordnates calculated by FP package
>
> The results slhoud be identical, but they are displaced relative to each
> other. The example with FP package is displaced to the right, as the small
> sample shows.
>
> I need FP because I am coding a command top draw a network of nodes and
> their coodinates must be calculated through a copule of parameters.
>
> Any ideas?
>
>  \documentclass[a4paper,12pt,fleqn]{article}
>  \usepackage[T1]{fontenc}
>  \usepackage[brazil]{babel}
>  \usepackage{pst-all}
>  \usepackage[nomessages]{fp}
>
>  \begin{document}
>
>  \begin{pspicture}[showgrid=true](0,0)(10,5)
>   \FPsub\xp{4}{0.8}
>   \cnode(\xp,\yp){0.2}{1e}

\FPsub\xp{4}{0.8}%