/usr/share/texmf-texlive/tex/generic/pst-3d/pst-3d.tex is in texlive-pstricks 2009-10ubuntu1.
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%% This is file `pst-3d.tex',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% pst-3d.dtx (with options: `pst-3d')
%%
%% IMPORTANT NOTICE:
%%
%% For the copyright see the source file.
%%
%% Any modified versions of this file must be renamed
%% with new filenames distinct from pst-3d.tex.
%%
%% For distribution of the original source see the terms
%% for copying and modification in the file pst-3d.dtx.
%%
%% This generated file may be distributed as long as the
%% original source files, as listed above, are part of the
%% same distribution. (The sources need not necessarily be
%% in the same archive or directory.)
%%
%% Package `pst-3d.dtx'
%%
%% Timothy Van Zandt <tvz@nwu.edu> (tvz)
%% Herbert Voss <voss@pstricks.de> (hv)
%%
%% September 03, 2005
%%
%% This file is under the LaTeX Project Public License
%% See CTAN archives in directory macros/latex/base/lppl.txt.
%%
%% DESCRIPTION:
%% `pst-3d' is a PSTricks package for tilting and other pseudo-3D tricks
%%
\ifx\PSTricksLoaded\endinput\else\input pstricks.tex\fi
\ifx\PSTXKeyLoaded\endinput\else\input pst-xkey \fi % (hv 2005-09-03)
\edef\PstAtCode{\the\catcode`\@}
\catcode`\@=11\relax
\pst@addfams{pst-3d}
\def\fileversion{1.00}
\def\filedate{2005/09/03}
\message{`PST-3d' v\fileversion, \filedate\space (tvz)}
\csname PSTthreeDLoaded\endcsname
\let\PSTthreeDLoaded\endinput
\pst@def{SetMatrixThreeD}<%
dup sin /e ED cos /f ED
/p3 ED /p2 ED /p1 ED
p1 0 eq
{ /a 0 def /b p2 0 le { 1 } { -1 } ifelse def
p3 p2 abs
}
{ p2 0 eq
{ /a p1 0 lt { -1 } { 1 } ifelse def /b 0 def
p3 p1 abs
}
{ p1 dup mul p2 dup mul add sqrt dup
p1 exch div /a ED
p2 exch div neg /b ED
p3 p1 a div
}
ifelse
}
ifelse
atan dup sin /c ED cos /d ED
/Matrix3D
[
b f mul c a mul e mul sub
a f mul c b mul e mul add
d e mul
b e mul neg c a mul f mul sub
a e mul neg c b mul f mul add
d f mul
] def>
\pst@def{ProjThreeD}<%
/z ED /y ED /x ED
Matrix3D aload pop
z mul exch y mul add exch x mul add
4 1 roll
z mul exch y mul add exch x mul add
exch>
\pst@def{SetMatrixEmbed}<%
\tx@SetMatrixThreeD
Matrix3D aload pop
/z3 ED /z2 ED /z1 ED /x3 ED /x2 ED /x1 ED
\tx@SetMatrixThreeD
[
Matrix3D aload pop
z3 mul exch z2 mul add exch z1 mul add 4 1 roll
z3 mul exch z2 mul add exch z1 mul add
Matrix3D aload pop
x3 mul exch x2 mul add exch x1 mul add 4 1 roll
x3 mul exch x2 mul add exch x1 mul add
3 -1 roll 3 -1 roll 4 -1 roll 8 -3 roll 3 copy
x3 mul exch x2 mul add exch x1 mul add 4 1 roll
z3 mul exch z2 mul add exch z1 mul add
]
concat>
\let\pssetzlength\pssetylength
\define@key[psset]{pst-3d}{viewpoint}{%
\pst@expandafter\psset@@viewpoint#1 {} {} {} \@nil
\let\psk@viewpoint\pst@tempg}
\def\psset@@viewpoint#1 #2 #3 #4\@nil{%
\begingroup
\pssetxlength\pst@dima{#1}%
\pssetylength\pst@dimb{#2}%
\pssetzlength\pst@dimc{#3}%
\xdef\pst@tempg{%
\pst@number\pst@dima \pst@number\pst@dimb \pst@number\pst@dimc}%
\endgroup}
\psset[pst-3d]{viewpoint=1 -1 1}
\define@key[psset]{pst-3d}{viewangle}{%
\pst@getangle{#1}\psk@viewangle}
\psset[pst-3d]{viewangle=0}
\define@key[psset]{pst-3d}{normal}{%
\pst@expandafter\psset@@viewpoint#1 {} {} {} \@nil
\let\psk@normal\pst@tempg}
\psset[pst-3d]{normal=0 0 1}
\define@key[psset]{pst-3d}{embedangle}{%
\pst@getangle{#1}\psk@embedangle}
\psset[pst-3d]{embedangle=0}
\define@key[psset]{pst-3d}{Tshadowsize}{%
\pst@checknum{#1}\psTshadowsize}
\psset[pst-3d]{Tshadowsize=1}
\define@key[psset]{pst-3d}{Tshadowangle}{%
\pst@getangle{#1}\psk@Tshadowangle}
\psset[pst-3d]{Tshadowangle=60}
\define@key[psset]{pst-3d}{Tshadowcolor}{%
\pst@getcolor{#1}\psTshadowcolor}
\psset[pst-3d]{Tshadowcolor=lightgray}
\pst@def{TMSave}<%
tx@Dict /TMatrix known not { /TMatrix { } def /RAngle { 0 } def } if
/TMatrix [ TMatrix CM ] cvx def>
\pst@def{TMRestore}<%
CP /TMatrix [ TMatrix setmatrix ] cvx def moveto>
\pst@def{TMChange}<%
\tx@TMSave
/cp [ currentpoint ] cvx def % ??? Check this later.
CM
CP T \tx@STV
CM matrix invertmatrix % Inv(M')
matrix concatmatrix % M Inv(M')
exch exec
concat cp moveto>
\def\ThreeDput{\def\pst@par{}\pst@object{ThreeDput}}
\def\ThreeDput@i{\@ifnextchar({\ThreeDput@ii}{\ThreeDput@ii(\z@,\z@,\z@)}}
\def\ThreeDput@ii(#1,#2,#3){%
\pst@killglue\pst@makebox{\ThreeDput@iii(#1,#2,#3)}}
\def\ThreeDput@iii(#1,#2,#3){%
\begingroup
\use@par
\if@star\pst@starbox\fi
\pst@makesmall\pst@hbox
\pssetxlength\pst@dima{#1}%
\pssetylength\pst@dimb{#2}%
\pssetzlength\pst@dimc{#3}%
\leavevmode
\hbox{%
\pst@Verb{%
{ \pst@number\pst@dima
\pst@number\pst@dimb
\pst@number\pst@dimc
\psk@normal
\psk@embedangle
\psk@viewpoint
\psk@viewangle
\tx@SetMatrixEmbed
} \tx@TMChange}%
\box\pst@hbox
\pst@Verb{\tx@TMRestore}}%
\endgroup
\ignorespaces}
\def\pst@sinandcos#1{%
\begingroup
\pst@dima=#1\relax
\pst@dima=.366022\pst@dima %Now 1pt=1/32rad
\pst@dimb=\pst@dima % dimb->32sin(angle) in pts
\pst@dimc=32\p@ % dimc->32cos(angle) in pts
\pst@dimtonum\pst@dima\pst@tempa
\pst@cntb=\tw@
\pst@cntc=-\@ne
\pst@cntg=32
\loop
\ifnum\pst@dima>\@cclvi % 256
\pst@dima=\pst@tempa\pst@dima
\divide\pst@dima\pst@cntg
\divide\pst@dima\pst@cntb
\ifodd\pst@cntb
\advance\pst@dimb \pst@cntc\pst@dima
\pst@cntc=-\pst@cntc
\else
\advance\pst@dimc by \pst@cntc\pst@dima
\fi
\advance\pst@cntb\@ne
\repeat
\divide\pst@dimb\pst@cntg
\divide\pst@dimc\pst@cntg
\global\pst@dimg\pst@dimb
\global\pst@dimh\pst@dimc
\endgroup}
\def\pst@getsinandcos#1{%
\pst@dimg=100000sp
\pst@dimg=#1\pst@dimg
\pst@dimh=36000000sp
\pst@cntg=0
\loop
\ifnum\pst@dimg<\z@
\advance\pst@dimg\pst@dimh
\repeat
\loop
\ifnum\pst@dimg>\pst@dimh
\advance\pst@dimg-\pst@dimh
\repeat
\pst@dimh=9000000sp
\def\pst@tempg{%
\ifnum\pst@dimg<\pst@dimh\else
\advance\pst@dimg-\pst@dimh
\advance\pst@cntg\@ne
\ifnum\pst@cntg>\thr@@ \advance\pst@cntg-4 \fi
\expandafter\pst@tempg
\fi}%
\pst@tempg
\chardef\pst@quadrant\pst@cntg
\ifdim\pst@dimg=\z@
\def\pst@sin{0}%
\def\pst@cos{1}%
\else
\pst@sinandcos\pst@dimg
\pst@dimtonum\pst@dimg\pst@sin
\pst@dimtonum\pst@dimh\pst@cos
\fi%
}
\def\pstilt#1{\pst@makebox{\pstilt@{#1}}}
\def\pstilt@#1{%
\begingroup
\leavevmode
\pst@getsinandcos{#1}%
\hbox{%
\ifcase\pst@quadrant
\kern\pst@cos\dp\pst@hbox
\pst@dima=\pst@cos\ht\pst@hbox
\ht\pst@hbox=\pst@sin\ht\pst@hbox
\dp\pst@hbox=\pst@sin\dp\pst@hbox
\or
\kern\pst@sin\ht\pst@hbox
\pst@dima=\pst@sin\dp\pst@hbox
\ht\pst@hbox=\pst@cos\ht\pst@hbox
\dp\pst@hbox=\pst@cos\dp\pst@hbox
\or
\kern\pst@cos\ht\pst@hbox
\pst@dima=\pst@sin\dp\pst@hbox
\pst@dimg=\pst@sin\ht\pst@hbox
\ht\pst@hbox=\pst@sin\dp\pst@hbox
\dp\pst@hbox=\pst@dimg
\or
\kern\pst@sin\dp\pst@hbox
\pst@dima=\pst@sin\ht\pst@hbox
\pst@dimg=\pst@cos\ht\pst@hbox
\ht\pst@hbox=\pst@cos\dp\pst@hbox
\dp\pst@hbox=\pst@dimg
\fi
\pst@Verb{%
{ [ 1 0
\pst@cos\space \ifnum\pst@quadrant>\@ne neg \fi
\pst@sin\space
\ifnum\pst@quadrant>\z@\ifnum\pst@quadrant<\thr@@ neg \fi\fi
\ifodd\pst@quadrant exch \fi
0 0
] concat
} \tx@TMChange}%
\box\pst@hbox
\pst@Verb{\tx@TMRestore}%
\kern\pst@dima}%
\endgroup}
\def\psTilt#1{\pst@makebox{\psTilt@{#1}}}
\def\psTilt@#1{%
\begingroup
\leavevmode
\pst@getsinandcos{#1}%
\hbox{%
\ifodd\pst@quadrant
\pst@@divide{\dp\pst@hbox}{\pst@cos\p@}%
\ifnum\pst@quadrant=\thr@@\kern\else\pst@dima=\fi\pst@sin\pst@dimg
\pst@@divide{\ht\pst@hbox}{\pst@cos\p@}%
\ifnum\pst@quadrant=\@ne\kern\else\pst@dima=\fi\pst@sin\pst@dimg
\else
\ifdim\pst@sin\p@=\z@
\@pstrickserr{\string\psTilt\space angle cannot be 0 or 180}\@ehpa
\def\pst@sin{.7071}%
\def\pst@cos{.7071}%
\fi
\pst@@divide{\dp\pst@hbox}{\pst@sin\p@}%
\ifnum\pst@quadrant=\z@\kern\else\pst@dima=\fi\pst@cos\pst@dimg
\pst@@divide{\ht\pst@hbox}{\pst@sin\p@}%
\ifnum\pst@quadrant=\tw@\kern\else\pst@dima=\fi\pst@cos\pst@dimg
\fi
\ifnum\pst@quadrant>\@ne
\pst@dimg=\ht\pst@hbox
\ht\pst@hbox=\dp\pst@hbox
\dp\pst@hbox=\pst@dimg
\fi
\pst@Verb{%
{ [ 1 0
\pst@cos\space \pst@sin\space
\ifodd\pst@quadrant exch \fi
\tx@Div
\ifnum\pst@quadrant>\z@\ifnum\pst@quadrant<\thr@@ neg \fi\fi
\ifnum\pst@quadrant>\@ne -1 \else 1 \fi
0 0
] concat
} \tx@TMChange}%
\box\pst@hbox
\pst@Verb{\tx@TMRestore}%
\kern\pst@dima}%
\endgroup}
\def\psshadow{\pst@object{psshadow}}
\def\psshadow@i{\pst@makebox{\psshadow@ii}}
\def\psshadow@ii{%
\begingroup
\use@par
\leavevmode
\pst@getsinandcos{\psk@Tshadowangle}%
\hbox{%
\lower\dp\pst@hbox\hbox{%
\pst@Verb{%
{ [ 1 0
\pst@cos\space \psTshadowsize mul
\ifnum\pst@quadrant>\@ne neg \fi
\pst@sin\space \psTshadowsize mul
\ifnum\pst@quadrant>\z@\ifnum\pst@quadrant<\thr@@ neg \fi\fi
\ifodd\pst@quadrant exch \fi
0 0
] concat
} \tx@TMChange}}%
\hbox to\z@{% patch 2 (hv), to get it run with xcolor _and_ TeX
\pst@Verb{ gsave \pst@usecolor\psTshadowcolor}%
\copy\pst@hbox
\pst@Verb{ grestore}\hss}%
\pst@Verb{\tx@TMRestore}%
\box\pst@hbox}%
\endgroup}
\catcode`\@=\PstAtCode\relax
\endinput
%%
%% End of file `pst-3d.tex'.
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