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authorKarl Berry <karl@freefriends.org>2022-03-09 21:27:29 +0000
committerKarl Berry <karl@freefriends.org>2022-03-09 21:27:29 +0000
commit21c5b43c65930744c336f42fc5380764148de06c (patch)
tree802c30f9ea6fd28726f2d719013d3ac90e2711fd /Master/texmf-dist/tex/latex
parenta81ff1e216047793af7fc42066fea550077d4653 (diff)
robotarm (9mar22)
git-svn-id: svn://tug.org/texlive/trunk@62566 c570f23f-e606-0410-a88d-b1316a301751
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+%%
+%% This is file `robotarm.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% robotarm.dtx (with options: `robotarm-package')
+%%
+%% This is a generated file.
+%%
+%% Copyright (C) 2021 by M.J.W. Snippe
+%% -----------------------------------
+%%
+%% This file may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either
+%% version 1.3 of this license or (at your option) any later
+%% version. The latest version of this license is in:
+%%
+%% http://www.latex-project.org/lppl.txt
+%%
+%% and version 1.3 or later is part of all distributions of
+%% LaTeX version 2005/12/01 or later.
+%%
+%% This work has the LPPL maintenance status
+%% `author-maintained'.
+%%
+%% This work consists of the files found at github.com/max-sn/robotarm.
+%%
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{robotarm}
+ [2022/03/08 v0.1 Tikz commands to draw planar robot arms]
+
+\RequirePackage{tikz}
+
+\usetikzlibrary{patterns}
+
+\makeatletter
+
+\newif\ifRA@robotarm@drawannotations
+
+\pgfkeys{
+ /robotarm/base link/.cd,
+ width/.code={\pgfmathsetmacro\RA@baselink@width{#1}},
+ width=0.6,
+ height/.code={\pgfmathsetmacro\RA@baselink@height{#1}},
+ height=0.3,
+ world width/.code={\pgfmathsetmacro\RA@baselink@worldwidth{#1}},
+ world width=1.0,
+ world height/.code={\pgfmathsetmacro\RA@baselink@worldheight{#1}},
+ world height=0.3,
+ draw base link/.code={%
+ \path[link style]
+ (-1/2*\RA@baselink@width,0)
+ arc (180:0:1/2*\RA@baselink@width)
+ -- ++ (0, -\RA@baselink@height)
+ -- ++ (-\RA@baselink@width, 0)
+ -- cycle;
+ },
+ draw world/.code={%
+ \path[world style]
+ (-1/2*\RA@baselink@worldwidth,-\RA@baselink@height)
+ arc (180:360:{1/2*\RA@baselink@worldwidth}
+ and {\RA@baselink@worldheight}) -- cycle;
+ \path[draw, world style]
+ (-1/2*\RA@baselink@worldwidth,-\RA@baselink@height)
+ -- ++(\RA@baselink@worldwidth,0);
+ },
+ /robotarm/link/.cd,
+ width/.code={\pgfmathsetmacro\RA@link@width{#1}},
+ width=0.4,
+ length/.code={\pgfmathsetmacro\RA@link@length{#1}},
+ length=2.0,
+ joint radius/.code={\pgfmathsetmacro\RA@link@jointradius{#1}},
+ joint radius=0.25,
+ draw link/.code={%
+ \path[link style]
+ (0,1/2*\RA@link@width)
+ -- ++ ( \RA@link@length, 0)
+ arc (90:-90:1/2*\RA@link@width)
+ -- ++ (-\RA@link@length, 0)
+ arc (270:90:1/2*\RA@link@width)
+ -- cycle;
+ },
+ draw joint/.code={%
+ \path[link style]
+ (0,0) circle (\RA@link@jointradius);
+ \path[link style]
+ (0,0) circle (1/3*\RA@link@jointradius);
+ },
+ /robotarm/end effector/.cd,
+ width/.code={\pgfmathsetmacro\RA@endeff@width{#1}},
+ width=0.4,
+ length/.code={\pgfmathsetmacro\RA@endeff@length{#1}},
+ length=2,
+ joint radius/.code={\pgfmathsetmacro\RA@endeff@jointradius{#1}},
+ joint radius=0.25,
+ gripper radius/.code={\pgfmathsetmacro\RA@endeff@gripperradius{#1}},
+ gripper radius=0.3,
+ gripper opening angle/.code={%
+ \pgfmathsetmacro\RA@endeff@gripperopeningangle{#1}},
+ gripper opening angle=60,
+ draw joint/.code={%
+ \path[link style]
+ (0,0) circle (\RA@endeff@jointradius);
+ \path[link style]
+ (0,0) circle (1/3*\RA@endeff@jointradius);
+ },
+ draw link/.code={%
+ \pgfmathsetmacro{\link@startangle}{%
+ 180-asin(1/2*\RA@endeff@width/\RA@endeff@gripperradius)}
+ \pgfmathsetmacro{\link@endangle}{%
+ 180+asin(1/2*\RA@endeff@width/\RA@endeff@gripperradius)}
+
+ \path[link style]
+ (\RA@endeff@length, 0)
+ ++ (\link@startangle:\RA@endeff@gripperradius)
+ arc (\link@startangle:\link@endangle:\RA@endeff@gripperradius)
+ -- (0,0|-0,-1/2*\RA@endeff@width)
+ arc (-90:90:1/2*\RA@endeff@width)
+ -- cycle;
+ },
+ draw end effector/.code={
+ \draw[link style]
+ (\RA@endeff@length, 0)
+ ++ (-1/2*\RA@endeff@gripperopeningangle:%
+ \RA@endeff@gripperradius)
+ arc [start angle=-1/2*\RA@endeff@gripperopeningangle,
+ delta angle=-360+\RA@endeff@gripperopeningangle,
+ radius=\RA@endeff@gripperradius]
+ -- ++(180+1/2*\RA@endeff@gripperopeningangle:%
+ 0.4*\RA@endeff@gripperradius)
+ arc [start angle=1/2*\RA@endeff@gripperopeningangle,
+ delta angle=360-\RA@endeff@gripperopeningangle,
+ radius=0.6*\RA@endeff@gripperradius]
+ -- ++(-1/2*\RA@endeff@gripperopeningangle:%
+ 0.4*\RA@endeff@gripperradius)
+ -- cycle;
+ },
+ /robotarm/.cd,
+ draw annotations/.is if=RA@robotarm@drawannotations,
+ draw annotations=true,
+ every annotation/.style={},
+ every length annotation/.style={},
+ every length annotation arrow/.style={draw,->},
+ every length annotation node/.style={circle,inner sep=0.5pt},
+ every length annotation help line/.style={draw,help lines},
+ every angle annotation/.style={},
+ every angle annotation arrow/.style={draw,->},
+ every angle annotation node/.style={},
+ every angle annotation help line/.style={draw,help lines},
+ base link/.code=\pgfkeys{/robotarm/base link/.cd,#1},
+ link/.code=\pgfkeys{/robotarm/link/.cd,#1},
+ end effector/.code=\pgfkeys{/robotarm/end effector/.cd,#1},
+ geometry/.code=\pgfkeys{/robotarm/geometry/.cd,#1},
+ config/.code=\pgfkeys{/robotarm/config/.cd,#1},
+ spacing/.code=\pgfkeys{/robotarm/annotations/spacing/.cd,#1},
+ labels/.code=\pgfkeys{/robotarm/annotations/labels/.cd,#1},
+ styles/.code=\pgfkeys{/robotarm/styles/.cd,#1},
+ /robotarm/geometry/.cd,
+ a0/.initial=0,
+ a/.initial=2,
+ r/.initial=0.25,
+ w/.initial=0.4,
+ /robotarm/config/q/.initial=0,
+ /robotarm/frames/.cd,
+ in link 0/.style={},
+ in end effector/.style={
+ /robotarm/frames/in link \RA@robotarm@numlinks,
+ shift={%
+ (\pgfkeysvalueof{/robotarm/geometry/a\RA@robotarm@numlinks},0)},
+ },
+ in world/.style={
+ shift={(0,-\RA@baselink@height)}
+ },
+ /robotarm/styles/.cd,
+ world/.style={pattern=north west lines},
+ link/.style={
+ draw,
+ fill=lightgray,
+ },
+ link 0/.style={/robotarm/styles/link},
+ /robotarm/annotations/.cd,
+ spacing/.cd,
+ a/.initial=3,
+ q/.initial=1/2,
+ /robotarm/annotations/.cd,
+ labels/.cd,
+ a/.initial=a,
+ q/.initial=q,
+}
+\tikzset{
+ link style/.style={/robotarm/styles/link},
+ world style/.style={/robotarm/styles/world},
+}
+\newcommand\robotarmset[1]{%
+ \pgfkeys{/robotarm/.cd,#1}%
+}
+\newcommand\robotArmLink[1][]{
+ \begingroup
+ \pgfkeys{/robotarm/link/.cd,#1}
+
+ \pgfkeys{/robotarm/link/draw link}
+ \pgfkeys{/robotarm/link/draw joint}
+ \endgroup
+}
+\newcommand\robotArmEndEffector[1][]{
+ \begingroup
+ \pgfkeys{/robotarm/end effector/.cd,#1}
+
+ \pgfkeys{/robotarm/end effector/draw link}
+ \pgfkeys{/robotarm/end effector/draw joint}
+ \pgfkeys{/robotarm/end effector/draw end effector}
+
+ \endgroup
+}
+\newcommand\robotArmBaseLink[1][]{
+ \begingroup
+ \pgfkeys{/robotarm/base link/.cd,#1}
+
+ \pgfkeys{/robotarm/base link/draw world}
+ \pgfkeys{/robotarm/base link/draw base link}
+ \endgroup
+}
+\newcommand\robotArm[2][]{
+ \pgfmathtruncatemacro\RA@robotarm@numlinks{#2}
+ \def\@tmpkeys{}
+ \foreach \@link [remember=\@link as \@prevlink (initially 0)] in %
+ {1,...,\RA@robotarm@numlinks}{
+ \xdef\@tmpkeys{\@tmpkeys%
+ /robotarm/geometry/a\@link/.initial=%
+ \pgfkeysvalueof{/robotarm/geometry/a},%
+ /robotarm/geometry/r\@link/.initial=%
+ \pgfkeysvalueof{/robotarm/geometry/r},%
+ /robotarm/geometry/w\@link/.initial=%
+ \pgfkeysvalueof{/robotarm/geometry/w},%
+ /robotarm/config/q\@link/.initial=%
+ \pgfkeysvalueof{/robotarm/config/q},%
+ /robotarm/styles/link \@link/.style={/robotarm/styles/link},%
+ /robotarm/annotations/labels/a\@link/.initial={%
+ $\pgfkeysvalueof{/robotarm/annotations/labels/a}_{\@link}$},%
+ /robotarm/annotations/labels/q\@link/.initial={%
+ $\pgfkeysvalueof{/robotarm/annotations/labels/q}_{\@link}$},%
+ /robotarm/annotations/spacing/a\@link/.initial={%
+ \pgfkeysvalueof{/robotarm/annotations/spacing/a}},%
+ /robotarm/annotations/spacing/q\@link/.initial={%
+ \pgfkeysvalueof{/robotarm/annotations/spacing/q}},%
+ }
+ }
+ \expandafter\pgfkeys\expandafter{\@tmpkeys}
+ \pgfkeys{/robotarm/.cd,#1}
+ \def\@tmpkeys{}
+ \foreach \@link [remember=\@link as \@prevlink (initially 0)] in %
+ {1,...,\RA@robotarm@numlinks}{
+ \xdef\@tmpkeys{\@tmpkeys%
+ /robotarm/frames/in link \@link/.style={%
+ /robotarm/frames/in link \@prevlink,
+ /tikz/shift={%
+ (\pgfkeysvalueof{/robotarm/geometry/a\@prevlink},0)},
+ /tikz/rotate={\pgfkeysvalueof{/robotarm/config/q\@link}},
+ },
+ }
+ }
+ \expandafter\pgfkeys\expandafter{\@tmpkeys}
+
+ \begin{scope}[/robotarm/frames/in link 0,
+ link style/.style={/robotarm/styles/link 0}]
+ \robotArmBaseLink
+ \end{scope}
+
+ \foreach\link@num in {1,...,\RA@robotarm@numlinks}{
+ \begin{scope}[/robotarm/frames/in link \link@num,
+ link style/.style={/robotarm/styles/link \link@num}]
+
+ \ifnum\link@num<\RA@robotarm@numlinks
+ \robotArmLink[
+ joint radius=\pgfkeysvalueof{/robotarm/geometry/r\link@num},
+ length=\pgfkeysvalueof{/robotarm/geometry/a\link@num},
+ width=\pgfkeysvalueof{/robotarm/geometry/w\link@num},
+ ]
+ \else
+ \robotArmEndEffector[
+ joint radius=\pgfkeysvalueof{/robotarm/geometry/r\link@num},
+ length=\pgfkeysvalueof{/robotarm/geometry/a\link@num},
+ width=\pgfkeysvalueof{/robotarm/geometry/w\link@num},
+ ]
+ \fi
+ \end{scope}
+ }
+ \foreach\link@num in {1,...,\RA@robotarm@numlinks}{
+ \begin{scope}[/robotarm/frames/in link \link@num]
+ \pgfmathsetmacro\link@length{\pgfkeysvalueof{%
+ /robotarm/geometry/a\link@num}}
+ \pgfmathsetmacro\link@angle{\pgfkeysvalueof{%
+ /robotarm/config/q\link@num}}
+
+ \ifRA@robotarm@drawannotations
+ \pgfmathsetmacro\link@lengthannotspacing{%
+ \pgfkeysvalueof{/robotarm/annotations/spacing/a\link@num}*
+ \pgfkeysvalueof{/robotarm/geometry/r\link@num}}
+ \pgfmathsetmacro\link@angleannotspacing{%
+ \pgfkeysvalueof{/robotarm/annotations/spacing/q\link@num}*
+ \link@length}
+
+ % Length annotation help lines
+ \path[/robotarm/every annotation,
+ /robotarm/every length annotation,
+ /robotarm/every length annotation help line]
+ (0,0) -- (\link@length,0);
+ \path[/robotarm/every annotation,
+ /robotarm/every length annotation,
+ /robotarm/every length annotation help line]
+ (0,0) -- ++ (0,{\link@lengthannotspacing +
+ 0.1*sign(\link@lengthannotspacing)});
+ \path[/robotarm/every annotation,
+ /robotarm/every length annotation,
+ /robotarm/every length annotation help line]
+ (\link@length,0) -- ++ (0,{\link@lengthannotspacing +
+ 0.1*sign(\link@lengthannotspacing)});
+ \path (0,\link@lengthannotspacing)
+ -- coordinate[pos=0.5] (coor) ++ (\link@length,0);
+ \node[/robotarm/every annotation,
+ /robotarm/every length annotation,
+ /robotarm/every length annotation node]
+ at (coor) (tag)
+ {\pgfkeysvalueof{/robotarm/annotations/labels/a\link@num}};
+ \path[/robotarm/every annotation,
+ /robotarm/every length annotation,
+ /robotarm/every length annotation arrow]
+ (tag) -- (0,\link@lengthannotspacing);
+ \path[/robotarm/every annotation,
+ /robotarm/every length annotation,
+ /robotarm/every length annotation arrow]
+ (tag) -- (\link@length,\link@lengthannotspacing);
+
+ \pgfmathsetmacro\angleannotationcase{%
+ ifthenelse(\link@angle==0.0, 0, 1)}
+ \ifnum\angleannotationcase>0
+ % Angle annotation help lines
+ \path[/robotarm/every annotation,
+ /robotarm/every angle annotation,
+ /robotarm/every angle annotation help line]
+ (0,0) -- ++(-\link@angle:{\link@angleannotspacing+0.1});
+ \path[/robotarm/every annotation,
+ /robotarm/every angle annotation,
+ /robotarm/every angle annotation help line]
+ (0,0) -- ++(0:{\link@angleannotspacing+0.1});
+
+ % Angle annotation arrow
+ \path[/robotarm/every annotation,
+ /robotarm/every angle annotation,
+ /robotarm/every angle annotation arrow]
+ (0,0) ++ (-\link@angle:\link@angleannotspacing)
+ arc (-\link@angle:0:\link@angleannotspacing);
+
+ % Angle annotation node
+ \node[/robotarm/every annotation,
+ /robotarm/every angle annotation,
+ /robotarm/every angle annotation node]
+ at (-\link@angle/2:\link@angleannotspacing+0.3)
+ {\pgfkeysvalueof{/robotarm/annotations/labels/q\link@num}};
+ \fi
+ \fi
+ \end{scope}
+ }
+ \tikzset{
+ in link/.style={/robotarm/frames/in link #1},
+ in base link/.style={/robotarm/frames/in link 0},
+ in end effector/.style={/robotarm/frames/in end effector},
+ in world/.style={/robotarm/frames/in world},
+ }
+}
+\makeatother
+\endinput
+%%
+%% End of file `robotarm.sty'.