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Diffstat (limited to 'Master/texmf-dist/tex/generic/pgf/libraries/pgflibrarytikz3d.code.tex')
-rw-r--r-- | Master/texmf-dist/tex/generic/pgf/libraries/pgflibrarytikz3d.code.tex | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/generic/pgf/libraries/pgflibrarytikz3d.code.tex b/Master/texmf-dist/tex/generic/pgf/libraries/pgflibrarytikz3d.code.tex new file mode 100644 index 00000000000..d980b557feb --- /dev/null +++ b/Master/texmf-dist/tex/generic/pgf/libraries/pgflibrarytikz3d.code.tex @@ -0,0 +1,105 @@ +% Copyright 2006 by Till Tantau +% +% This file may be distributed and/or modified +% +% 1. under the LaTeX Project Public License and/or +% 2. under the GNU Public License. +% +% See the file doc/generic/pgf/licenses/LICENSE for more details. + +\ProvidesFileRCS[v\pgfversion] $Header: /cvsroot/pgf/pgf/generic/pgf/libraries/pgflibrarytikz3d.code.tex,v 1.3 2006/10/11 15:22:26 tantau Exp $ + + + +% New coordinate systems: + +\tikzdeclarecoordinatesystem{xyz cylindrical} +{% + \setkeys{tikzcskeys}{angle=0,radius=0,z=0,#1}% + \pgfpointcylindrical{\tikz@cs@angle}{\tikz@cs@radius}{\tikz@cs@z}% +} + +\tikzdeclarecoordinatesystem{xyz spherical} +{% + \setkeys{tikzcskeys}{angle=0,radius=0,latitude=0,longitude=0,#1}% + \pgfpointspherical{\tikz@cs@angle}{\tikz@cs@latitude}{\tikz@cs@radius}% +} + +\define@key{tikzcskeys}{longitude}{\def\tikz@cs@angle{#1}} +\define@key{tikzcskeys}{latitude}{\def\tikz@cs@latitude{#1}} + + +% Options for transforming into a plane: + +\tikzoption{plane origin}{\def\tikz@plane@origin{\tikz@scan@one@point\@firstofone#1}} +\tikzoption{plane x}{\def\tikz@plane@x{\tikz@scan@one@point\@firstofone#1}} +\tikzoption{plane y}{\def\tikz@plane@y{\tikz@scan@one@point\@firstofone#1}} + +\let\tikz@plane@origin=\pgfpointorigin +\def\tikz@plain@x{\pgfpointxy{1}{0}} +\def\tikz@plain@y{\pgfpointxy{0}{1}} + +\tikzoption{canvas is plane}[]{ + \tikz@canvas@is@plane +} +\tikzoption{canvas is xy plane at z}{% + \tikz@addtransform{\pgftransformshift{\pgfpointxyz{0}{0}{#1}}}% +} +\tikzoption{canvas is yx plane at z}[]{% + \def\tikz@plane@origin{\pgfpointxyz{0}{0}{#1}}% + \def\tikz@plane@x{\pgfpointxyz{0}{1}{#1}}% + \def\tikz@plane@y{\pgfpointxyz{1}{0}{#1}}% + \tikz@canvas@is@plane +} +\tikzoption{canvas is xz plane at y}[]{% + \def\tikz@plane@origin{\pgfpointxyz{0}{#1}{0}}% + \def\tikz@plane@x{\pgfpointxyz{1}{#1}{0}}% + \def\tikz@plane@y{\pgfpointxyz{0}{#1}{1}}% + \tikz@canvas@is@plane +} +\tikzoption{canvas is zx plane at y}[]{% + \def\tikz@plane@origin{\pgfpointxyz{0}{#1}{0}}% + \def\tikz@plane@x{\pgfpointxyz{0}{#1}{1}}% + \def\tikz@plane@y{\pgfpointxyz{1}{#1}{0}}% + \tikz@canvas@is@plane +} +\tikzoption{canvas is yz plane at x}[]{% + \def\tikz@plane@origin{\pgfpointxyz{#1}{0}{0}}% + \def\tikz@plane@x{\pgfpointxyz{#1}{1}{0}}% + \def\tikz@plane@y{\pgfpointxyz{#1}{0}{1}}% + \tikz@canvas@is@plane +} +\tikzoption{canvas is zy plane at x}[]{% + \def\tikz@plane@origin{\pgfpointxyz{#1}{0}{0}}% + \def\tikz@plane@x{\pgfpointxyz{#1}{0}{1}}% + \def\tikz@plane@y{\pgfpointxyz{#1}{1}{0}}% + \tikz@canvas@is@plane +} + + + +% Transformation code + +\def\tikz@canvas@is@plane{ + \pgf@process{\tikz@plane@x}% + \pgf@xa=\pgf@x% + \pgf@ya=\pgf@y% + \pgf@process{\tikz@plane@y}% + \pgf@xb=\pgf@x% + \pgf@yb=\pgf@y% + \pgf@process{\tikz@plane@origin}% + \edef\pgf@marshal{\noexpand\tikz@addtransform{% + \noexpand\pgftransformtriangle + {\noexpand\pgfqpoint{\the\pgf@x}{\the\pgf@y}} + {\noexpand\pgfqpoint{\the\pgf@xa}{\the\pgf@ya}} + {\noexpand\pgfqpoint{\the\pgf@xb}{\the\pgf@yb}} + \noexpand\pgftransformscale{0.035146}% + \noexpand\pgfsetxvec{\noexpand\pgfpoint{1cm}{0cm}}% + \noexpand\pgfsetyvec{\noexpand\pgfpoint{0cm}{1cm}}% + \noexpand\pgfsetzvec{\noexpand\pgfpoint{0cm}{0cm}}% + }}% + \pgf@marshal% +} + + +\endinput |