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After seeing Herbert's answer, apparently this problem should not occur if I realized the first row of the following code should be \documentclass{beamer}. Problems often come from not knowing what I am doing.

Please close this too localized question.

Sorry for the bad title!

% ========================================================
% Copyright (c) 2013 Bugbusters. All rights reservered.
% LPPL LaTeX Public Project License
% ========================================================
\ProvidesPackage{pst-sex}[2013/04/23 v3.141592654 Constant declator for StackEXchange]

% removing a trailing space in the original fp.sty
    % #1 macro, which gets the result
    % #2 base
    % #3 exponent

% constants declarator
    \edef\LoadConstants{\the\toks0 {/#2 \csname#2\endcsname\space def}}}

% inject \LoadConstants into pspicture
        \pstVerb{/##2 \csname##2\endcsname\space def}\ignorespaces}%
    \@ifnextchar(% ignore anything between [] and ()

% pst-sex.sty


\const{Side}{root(2,17)}% the square root of 17

    \psframe(!Side dup)\pause
        \rput{\i}(!Side 2 div dup 2 copy temp mul add 3 1 roll \i\space sin mul add){$\temp$}\pause

What causes this error?

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closed as too localized by Werner, Marco Daniel, Kurt, mafp, Thorsten Apr 27 '13 at 13:31

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Sorry for the bad title because I have no idea to make it more specific and descriptive to convey the exact issue. So feel free to edit the title to suit your preference. :-) –  Please don't touch Apr 27 '13 at 7:02
I think you should try to minimise your code -- remove any lines that can be removed while preserving the error. For instance, I just tried removing everything between \begin{pspicture}(\Side,\Side) and \end{pspicture} and the error was still the same. This way you might be able to zoom in on the source of the error. –  John Wickerson Apr 27 '13 at 7:28
@JohnWickerson: The problem has been fixed. It is about my fault. I used article that should be beamer. –  Please don't touch Apr 27 '13 at 7:50
Most "bugs" with LaTeX system are user problems. –  kan Apr 27 '13 at 7:51
@kan: And bugs come from not knowing what we are doing. –  Please don't touch Apr 27 '13 at 7:53

1 Answer 1

up vote 2 down vote accepted

it maybe a good idea to choose the correct documentclass ;-)

[ ... ]

but you are using the frame environment ...

However, with the current pstricks.tex from http://texnik.dante.de/tex/generic/pstricks/ I can do something like:


 \psframe(+{-sqrt(17)/2}, x)(+{sqrt(17)/2}, x)\pause
 \multido{\iA=0+30}{12}{\rput{\iA}(1;\iA){\psPrintValue[algebraic]{\iA, cos(x*Pi/180)}}\pause}

enter image description here

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Adding a new feature to allow points in all PSTricks graphic objects to accept node expressions is a good idea. For example: \pnode(2,3){A}\pnode(3,1){B}\psline(.5(B)-.25(A))\rput((A)-(B)){...}\pscircle(2‌​(B)-3(A)){3}. :-) –  Please don't touch Apr 27 '13 at 8:08
There is a typo in pstricks.tex (click me). –  Please don't touch Apr 27 '13 at 18:28

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