Gravitation : le problème des 2 corps. Partie 1 : Documentation théorique.

[pst-eqdf.git] / gravitation / pst-tools.tex

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+%% $Id: pst-tools.tex 599 2011-11-03 19:38:28Z herbert $
+%%
+%% This is file `pst-tools.tex',
+%%
+%% IMPORTANT NOTICE:
+%%
+%% Package `pst-tools.tex'
+%%
+%% Herbert Voss <hvoss@tug.org>
+%%
+%% This program can be redistributed and/or modified under the terms
+%% of the LaTeX Project Public License Distributed from CTAN archives
+%% in directory macros/latex/base/lppl.txt.
+%%
+%% DESCRIPTION:
+%%   `pst-tools' is a PSTricks package for helper functions
+%%
+%%
+\csname PSTtoolsLoaded\endcsname
+\let\PSTtoolsLoaded\endinput
+
+\ifx\PSTricksLoaded\endinput\else\input pstricks.tex\fi
+\ifx\PSTXKeyLoaded\endinput\else \input pst-xkey.tex \fi
+%
+\edef\PstAtCode{\the\catcode`\@} \catcode`\@=11\relax
+% interface to the `xkeyval' package
+\pst@addfams{pst-tools}
+%
+\def\fileversion{0.1}
+\def\filedate{2012/01/01}
+\message{`PST-tools' v\fileversion, \filedate\space (hv)}
+%
+\define@boolkey[psset]{pst-tools}[Pst@]{dot}[true]{}
+\define@key[psset]{pst-tools}{xShift}[0]{\def\psk@xShift{#1}}
+\define@key[psset]{pst-tools}{PSfont}[Times-Roman]{\def\psk@PSfont{/#1 }}
+\define@key[psset]{pst-tools}{valuewidth}[10]{\pst@getint{#1}\psk@valuewidth }
+\define@key[psset]{pst-tools}{fontscale}[10]{\pst@checknum{#1}\psk@fontscale }
+\define@key[psset]{pst-tools}{decimals}[-1]{\pst@getint{#1}\psk@decimals }
+\psset[pst-tools]{PSfont=Times-Roman,fontscale=10,valuewidth=10,decimals=-1,xShift=0,dot}
+%
+\def\psPrintValue{\pst@object{psPrintValue}}
+\def\psPrintValue@i#1{\expandafter\psPrintValue@ii#1,,\@nil}
+\def\psPrintValue@ii#1,#2,#3\@nil{%  #1,#2 only for algebraic code
+  \begin@SpecialObj
+  \addto@pscode{  
+     gsave \psk@PSfont findfont \psk@fontscale scalefont setfont 
+     \ifPst@algebraic 
+       /x #1 def 
+       /Func (#2) tx@AlgToPs begin AlgToPs end cvx def 
+       Func 
+     \else #1 \fi
+     \psk@decimals -1 gt { 10 \psk@decimals exp dup 3 1 roll mul cvi exch div } if
+     \psk@valuewidth string cvs %/Output exch def % save output
+     \ifPst@dot dot2comma \fi        % do we have to change dot to comma
+     \psk@xShift\space 0 moveto  %Output 
+     show grestore
+  }%
+  \end@SpecialObj%
+}
+
+\define@boolkey[psset]{pst-tools}[Pst@]{round}[true]{}%
+\define@boolkey[psset]{pst-tools}[Pst@]{science}[true]{%
+  \ifPst@science\def\psk@Scin{true }\else\def\psk@Scin{false }\fi}
+\psset[pst-tools]{science=false,round=false}
+\def\psPrintValueNew{\pst@object{psPrintValueNew}}
+\def\psPrintValueNew@i#1{\expandafter\psPrintValueNew@ii#1,,\@nil}
+\def\psPrintValueNew@ii#1,#2,#3\@nil{%  #1,#2 only for algebraic code
+  \begin@SpecialObj
+  \addto@pscode{  %            thanks to Buddy Ledger
+     /mfont { \psk@PSfont findfont \psk@fontscale scalefont setfont } bind def
+     /mfontexp { \psk@PSfont findfont \psk@fontscale 1.2 div scalefont setfont } bind def
+     /s1 { /Symbol findfont \psk@fontscale scalefont setfont } bind def
+     \ifPst@algebraic 
+        /x #1 def
+        /Func (#2) tx@AlgToPs begin AlgToPs end cvx def 
+        Func  
+     \else #1 \fi
+     /value ED
+     \psk@Scin {
+       value 0 ne { value log floor cvi /expon ED }{ /expon 0 def } ifelse
+       value 10 expon exp div 
+       \psk@decimals -1 gt { 10  \psk@decimals exp dup 3 1 roll mul 
+         \ifPst@round round \else cvi \fi  exch div } if
+       \psk@decimals 0 eq { cvi } if /numb ED
+       expon \psk@valuewidth string cvs /expon exch def
+       numb \psk@valuewidth string cvs 
+       \ifPst@dot dot2comma \fi  % do we have to change dot to comma
+       /Output exch def
+       /txspc \psk@fontscale 4 div def
+       \psk@xShift\space 0 moveto mfont Output show
+       txspc 0 rmoveto s1 (\string\264) show
+       txspc 0 rmoveto mfont (10) show
+       txspc 2 div txspc 1.5 mul rmoveto mfontexp expon show }
+     { value
+       \psk@decimals -1 gt { 10 \psk@decimals exp dup 3 1 roll mul 
+         \ifPst@round round \else cvi \fi exch div } if
+       \psk@decimals 0 eq { cvi } if %inserted to handle decimals=0
+       \psk@valuewidth string cvs 
+       \ifPst@dot dot2comma \fi         % do we have to change dot to comma
+       \psk@xShift\space 0 moveto mfont %Output 
+       show
+     } ifelse
+  }%
+  \end@SpecialObj%
+}
+%
+\catcode`\@=\PstAtCode\relax
+%
+%% END: pst-tools.tex
+\endinput
+%