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Diffstat (limited to 'Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/tikzlibraryperspective.code.tex')
-rw-r--r-- | Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/tikzlibraryperspective.code.tex | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/tikzlibraryperspective.code.tex b/Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/tikzlibraryperspective.code.tex deleted file mode 100644 index 61a8016057c..00000000000 --- a/Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/tikzlibraryperspective.code.tex +++ /dev/null @@ -1,111 +0,0 @@ -% Copyright 2019 by Max Snippe -% -% 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{tikzlibraryperspective.code.tex} - -% Initialize affine transformation matrix for perspective view -% [aa ab ac 0] -% [ba bb bc 0] -% [ca cb cc 0] -% [da db dc 1] -\pgfmathsetmacro\pgf@H@tpp@aa{+1} - \pgfmathsetmacro\pgf@H@tpp@ab{+0} - \pgfmathsetmacro\pgf@H@tpp@ac{+0} -\pgfmathsetmacro\pgf@H@tpp@ba{+0} - \pgfmathsetmacro\pgf@H@tpp@bb{+1} - \pgfmathsetmacro\pgf@H@tpp@bc{+0} -\pgfmathsetmacro\pgf@H@tpp@ca{+0} - \pgfmathsetmacro\pgf@H@tpp@cb{+0} - \pgfmathsetmacro\pgf@H@tpp@cc{+1} -\pgfmathsetmacro\pgf@H@tpp@da{+0} - \pgfmathsetmacro\pgf@H@tpp@db{+0} - \pgfmathsetmacro\pgf@H@tpp@dc{+0} - -\def\pgfpointperspectivexyz#1#2#3{% - \pgfmathsetmacro\pgf@pp@w% - { \pgf@H@tpp@da*(#1) + \pgf@H@tpp@db*(#2) + \pgf@H@tpp@dc*(#3) + 1} - \pgfmathsetmacro\pgf@pp@x% - {(\pgf@H@tpp@aa*(#1) + \pgf@H@tpp@ab*(#2) + \pgf@H@tpp@ac*(#3))/\pgf@pp@w} - \pgfmathsetmacro\pgf@pp@y% - {(\pgf@H@tpp@ba*(#1) + \pgf@H@tpp@bb*(#2) + \pgf@H@tpp@bc*(#3))/\pgf@pp@w} - \pgfmathsetmacro\pgf@pp@z% - {(\pgf@H@tpp@ca*(#1) + \pgf@H@tpp@cb*(#2) + \pgf@H@tpp@cc*(#3))/\pgf@pp@w} -% - \pgf@x=\pgf@pp@x\pgf@xx% - \advance\pgf@x by \pgf@pp@y\pgf@yx% - \advance\pgf@x by \pgf@pp@z\pgf@zx% - \pgf@y=\pgf@pp@x\pgf@xy% - \advance\pgf@y by \pgf@pp@y\pgf@yy% - \advance\pgf@y by \pgf@pp@z\pgf@zy} - -\tikzdeclarecoordinatesystem{three point perspective} -{% - \tikzset{cs/.cd,x=0,y=0,z=0,#1}% - \pgfpointperspectivexyz{\tikz@cs@x}{\tikz@cs@y}{\tikz@cs@z} -} -\tikzaliascoordinatesystem{tpp}{three point perspective} - -\pgfkeys{ - /perspective/.cd, - p/.code args={(#1,#2,#3)}{ - \pgfmathparse{ifthenelse(#1,int(1),int(0))} - \ifnum\pgfmathresult=0\else - \pgfmathsetmacro\pgf@H@tpp@ba{#2/#1} - \pgfmathsetmacro\pgf@H@tpp@ca{#3/#1} - \pgfmathsetmacro\pgf@H@tpp@da{ 1/#1} - \fi - }, - q/.code args={(#1,#2,#3)}{ - \pgfmathparse{ifthenelse(#2,int(1),int(0))} - \ifnum\pgfmathresult=0\else - \pgfmathsetmacro\pgf@H@tpp@ab{#1/#2} - \pgfmathsetmacro\pgf@H@tpp@cb{#3/#2} - \pgfmathsetmacro\pgf@H@tpp@db{ 1/#2} - \fi - }, - r/.code args={(#1,#2,#3)}{ - \pgfmathparse{ifthenelse(#3,int(1),int(0))} - \ifnum\pgfmathresult=0\else - \pgfmathsetmacro\pgf@H@tpp@ac{#1/#3} - \pgfmathsetmacro\pgf@H@tpp@bc{#2/#3} - \pgfmathsetmacro\pgf@H@tpp@dc{ 1/#3} - \fi - }, -} - -\tikzset{ - perspective/.append code={\pgfkeys{/perspective/.cd,#1}}, - perspective/.default={ - p={(10,0,0)}, - q={(0,10,0)}, - r={(0,0,20)}}, -} - -\tikzset{ - 3d view/.code 2 args={ - % Set elevation and azimuth angles - \pgfmathsetmacro\pgf@view@az{#1} - \pgfmathsetmacro\pgf@view@el{#2} - % Calculate projections of rotation matrix - \pgfmathsetmacro\pgf@xvec@x{cos(\pgf@view@az)} - \pgfmathsetmacro\pgf@xvec@y{-sin(\pgf@view@az)*sin(\pgf@view@el)} - \pgfmathsetmacro\pgf@yvec@x{sin(\pgf@view@az)} - \pgfmathsetmacro\pgf@yvec@y{cos(\pgf@view@az)*sin(\pgf@view@el)} - \pgfmathsetmacro\pgf@zvec@x{+0} - \pgfmathsetmacro\pgf@zvec@y{cos(\pgf@view@el)} - % Set base vectors - \pgfsetxvec{\pgfpoint{\pgf@xvec@x cm}{\pgf@xvec@y cm}} - \pgfsetyvec{\pgfpoint{\pgf@yvec@x cm}{\pgf@yvec@y cm}} - \pgfsetzvec{\pgfpoint{\pgf@zvec@x cm}{\pgf@zvec@y cm}} - }, - 3d view/.default={-30}{15}, - isometric view/.style={3d view={-45}{atan(1/sqrt(2))}}, -} - -\endinput |