[pstricks] Why is my picture moving?

[Christian Häger]

Hello,

I am working on a beamer presentation at the moment. The picture shows up as desired on the first slide, but in the second slide I want to make all lines and the text appear in gray color - therefore I put

\only<2->{\psset{linecolor=lightgray}\lightgray}
% other stuff

into the pspicture environment. This does the trick, but now the picture moves (not by much) to the right. I can't figure out why. If I activate a grid ("showgrid") then it really is the coordinate system that seems to have moved (e.g. a point specified by (2,0) appears in the grid at around (2.1,0)). Strangely, writing

\only<2->{\psset{linecolor=lightgray}}
% other stuff

doesn't move the picture, but now the text is not gray.

Thanks for your help.

Regards
Christian


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