%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% TikZ-FeynHand, Version 1.1.0 of 2019/08/19
% Feynhand Diagrams with TikZ (LaTex manual version)
% Copyright (C) 2019 Max Dohse
% Copyright (C) 2016 Joshua Ellis
%
% This LaTeX file and the whole package are free:
% you can redistribute it and/or modify it under the
% terms of the GNU General Public License as published by the Free Software Foundation,
% either version 3 of the License, or (at your option) any later version.
%
% This file is a modification of the file tikzlibraryfeynman.code.tex
% of the package tikz-feynman (version 1.1.0 of 2016/02/05)
% which is available online at
https://ctan.org/pkg/tikz-feynman
% for a list of changes, see the file CHANGES.TXT
%
% available at
https://ctan.org/pkg/tikz-feynhand
% The Current Maintainer of this work is Max Dohse.
%
% This program is distributed in the hope that it will be useful, but WITHOUT
% ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
% FOR A PARTICULAR PURPOSE.
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Pre-requisites
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\usetikzlibrary{
arrows.meta,
calc,
decorations,
decorations.markings,
decorations.pathmorphing,
decorations.pathreplacing,
external,
patterns,
positioning,
shapes.geometric,
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Function definitions
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Miscellaneous functions
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def\tikzfeynhand@empty{}
%% Key Manager
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Setup the tikz-feynhand key family
\pgfkeys{
/tikzfeynhand/.is family,
/tikzfeynhand/.search also={/tikz},
}
%% |\tikzfeynhandset| allows keys that belong with tikz-feynhand to be easily set.
\def\tikzfeynhandset{\pgfqkeys{/tikzfeynhand}}
%% Version check
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Check which version is expected and which is installed
\def\tikzfeynhand@compat@parse#1.#2.#3\pgfeov{
\edef\tikzfeynhand@compat@major{#1}
\edef\tikzfeynhand@compat@minor{#2}
\edef\tikzfeynhand@compat@patch{#3}
\edef\tikzfeynhand@compat{#1.#2.#3}
}
\let\tikzfeynhand@compat=\tikzfeynhand@empty
\pgfkeyslet{/tikzfeynhand/compat/.@cmd}{\tikzfeynhand@compat@parse}
\ProcessPgfPackageOptions{/tikzfeynhand}
\AtBeginDocument{
\ifx\tikzfeynhand@version\tikzfeynhand@compat\else
\ifx\tikzfeynhand@compat\tikzfeynhand@empty
\PackageWarning{tikz-feynhand}{Consider loading TikZ-Feynhand with \string\usepackage[compat=\tikzfeynhand@version]{tikz-feynhand} so that you can be warned if TikZ-Feynhand changes.}
\else
\ifx\tikzfeynhand@compat@major\tikzfeynhand@version@major
\ifx\tikzfeynhand@compat@minor\tikzfeynhand@version@minor
\ifx\tikzfeynhand@compat@patch\tikzfeynhand@version@patch\else
\PackageInfo{tikz-feynhand}{The preamble requested version \tikzfeynhand@compat, but the system version is \tikzfeynhand@version. This should cause no issue.}
\fi
\else
\PackageWarning{tikz-feynhand}{The preamble requested version \tikzfeynhand@compat, but the system version is \tikzfeynhand@version. This may change some diagrams.}
\fi
\else
\PackageError{tikz-feynhand}{The preamble requested version \tikzfeynhand@compat, but the system version is \tikzfeynhand@version. They are most likely incompatible. Please download the appropriate version from jpellis.me/projects/tikz-feynhand.}
\fi
\fi
\fi
}
%% Feynhand Environment
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Provide `\begin{feynhand} ... \end{feynhand}` within TikZ pictures.
\tikzaddtikzonlycommandshortcutlet\feynhand\tikzfeynhand@environment@feynhand
\tikzaddtikzonlycommandshortcutlet\endfeynhand\endtikzfeynhand@environment@feynhand
%% \begin{feynhand}...\end{feynhand}
\def\tikzfeynhand@environment@feynhand{%
\pgfutil@ifnextchar[{\tikzfeynhand@environment@feynhand@opt}
{\tikzfeynhand@environment@feynhand@opt[]}}
\def\tikzfeynhand@environment@feynhand@opt[#1]{%
\begingroup
%% Local overrides
\let\tikz@@scan@fig=\tikzfeynhand@scan@fig
%% Local commands
\let\vertex=\tikzfeynhand@commands@vertex
\let\propagator=\tikzfeynhand@commands@propagator
\let\propag=\propagator
%% Opening hooks
\scope
\tikzfeynhand@tikz@search@tikzfeynhand
\pgfkeys{/tikzfeynhand/every feynhand@@,#1}
\pgfkeysvalueof{/tikzfeynhand/execute at begin feynhand@@}%
\pgfkeysvalueof{/tikzfeynhand/execute at begin feynhand}%
}
\def\endtikzfeynhand@environment@feynhand{%
%% Closing hooks
\pgfkeysvalueof{/tikzfeynhand/execute at end feynhand}%
\pgfkeysvalueof{/tikzfeynhand/execute at end feynhand@@}%
\endscope
\endgroup
}
%%% Allow empty nodes
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\newif\iftikzfeynhandallowemptynode
\newif\iftikzfeynhandvertex
\def\tikzfeynhand@scan@fig{%
\pgfutil@ifnextchar a{\tikz@fig@scan@at}
{\pgfutil@ifnextchar({\tikz@fig@scan@name}
{\pgfutil@ifnextchar[{\tikz@fig@scan@options}%
{\pgfutil@ifnextchar\bgroup{\tikz@fig@main}%
{\iftikzfeynhandvertex%
\tikzset{/tikzfeynhand/every vertex@@}%
\iftikzfeynhandallowemptynode%
\else%
\tikzset{/tikzfeynhand/particle}%
\fi%
\fi%
\tikz@fig@main{}
}
}
}
}
}
%% Include /tikzfeynhand in the search path
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def\tikzfeynhand@tikz@search@tikzfeynhand{%
\pgfkeys{/tikz/.unknown/.code=%
\let\tikz@key\pgfkeyscurrentname%
%% Is it a tikzfeynhand key?
\pgfkeys{/tikzfeynhand/\tikz@key/.try={##1}}%
\ifpgfkeyssuccess%
\else%
%% Is it a pgf key?
\pgfkeys{/pgf/\tikz@key/.try={##1}}%
\ifpgfkeyssuccess%
\else%
\expandafter\pgfutil@in@\expandafter!\expandafter{\tikz@key}%
\ifpgfutil@in@%
%% this is a color!
\expandafter\tikz@addoption\expandafter{\expandafter\tikz@compat@color@set\expandafter{\tikz@key}}%
\edef\tikz@textcolor{\tikz@key}%
\else%
\pgfutil@doifcolorelse{\tikz@key}
{%
\expandafter\tikz@addoption\expandafter{\expandafter\tikz@compat@color@set\expandafter{\tikz@key}}%
\edef\tikz@textcolor{\tikz@key}%
}%
{%
%% Ok, second chance: This might be an arrow specification:
\expandafter\pgfutil@in@\expandafter-\expandafter{\tikz@key}%
\ifpgfutil@in@%
%% Ah, an arrow spec!
\expandafter\tikz@processarrows\expandafter{\tikz@key}%
\else%
%% Ok, third chance: A shape!
\expandafter\ifx\csname pgf@sh@s@\tikz@key\endcsname\relax%
\pgfkeys{/errors/unknown key/.expand
once=\expandafter{\expandafter/\expandafter t\expandafter
i\expandafter k\expandafter z\expandafter/\tikz@key}{##1}}%
\else%
\edef\tikz@shape{\tikz@key}%
\fi%
\fi%
}%
\fi%
\fi%
\fi%
}
}
%% Vertex
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% SEE ALSO \vertex above!
%% Adapted from |\coordinate| code
\def\tikzfeynhand@commands@vertex{%
\path \pgfextra{\tikzfeynhandallowemptynodetrue}
\pgfextra{\tikzfeynhandvertextrue}
node}
%% Propagators
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\newcommand{\tikzfeynhand@commands@propagator}[1][]{\draw [#1]}
%% Optional argument in style key
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def\tikzfeynhand@key@opt#1[#2]#3\pgfeov{%
\tikzfeynhandset{#1={[#2]#3}}}
%% Insertion
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def\tikzfeynhand@insertion{%
\pgfutil@ifnextchar[{\tikzfeynhand@key@opt{insertion@@}}
{\tikzfeynhand@key@opt{insertion@@}[]}}
\pgfkeyslet{/tikzfeynhand/insertion/.@cmd}{\tikzfeynhand@insertion}
%% Slash
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def\tikzfeynhand@slash{%
\pgfutil@ifnextchar[{\tikzfeynhand@key@opt{slash@@}}
{\tikzfeynhand@key@opt{slash@@}[]}}
\pgfkeyslet{/tikzfeynhand/slash/.@cmd}{\tikzfeynhand@slash}
%% Backslash
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def\tikzfeynhand@backslash{%
\pgfutil@ifnextchar[{\tikzfeynhand@key@opt{backslash@@}}
{\tikzfeynhand@key@opt{backslash@@}[]}}
\pgfkeyslet{/tikzfeynhand/backslash/.@cmd}{\tikzfeynhand@backslash}
%% Momentum
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def\tikzfeynhand@momentum@std{%
\pgfutil@ifnextchar[{\tikzfeynhand@key@opt{momentum@@}}
{\tikzfeynhand@key@opt{momentum@@}[]}}
\pgfkeyslet{/tikzfeynhand/momentum/.@cmd}{\tikzfeynhand@momentum@std}
\def\tikzfeynhand@momentum@stdp{%
\pgfutil@ifnextchar[{\tikzfeynhand@key@opt{momentum'@@}}
{\tikzfeynhand@key@opt{momentum'@@}[]}}
\pgfkeyslet{/tikzfeynhand/momentum'/.@cmd}{\tikzfeynhand@momentum@stdp}
\def\tikzfeynhand@momentum@stdr{%
\pgfutil@ifnextchar[{\tikzfeynhand@key@opt{reversed momentum@@}}
{\tikzfeynhand@key@opt{reversed momentum@@}[]}}
\pgfkeyslet{/tikzfeynhand/reversed momentum/.@cmd}{\tikzfeynhand@momentum@stdr}
\def\tikzfeynhand@momentum@stdrp{%
\pgfutil@ifnextchar[{\tikzfeynhand@key@opt{reversed momentum'@@}}
{\tikzfeynhand@key@opt{reversed momentum'@@}[]}}
\pgfkeyslet{/tikzfeynhand/reversed momentum'/.@cmd}{\tikzfeynhand@momentum@stdrp}
% short versions of momentum styles
\pgfkeyslet{/tikzfeynhand/rmomentum/.@cmd}{\tikzfeynhand@momentum@stdr}
\pgfkeyslet{/tikzfeynhand/rmomentum'/.@cmd}{\tikzfeynhand@momentum@stdrp}
\pgfkeyslet{/tikzfeynhand/mom/.@cmd}{\tikzfeynhand@momentum@std}
\pgfkeyslet{/tikzfeynhand/mom'/.@cmd}{\tikzfeynhand@momentum@stdp}
\pgfkeyslet{/tikzfeynhand/revmom/.@cmd}{\tikzfeynhand@momentum@stdr}
\pgfkeyslet{/tikzfeynhand/revmom'/.@cmd}{\tikzfeynhand@momentum@stdrp}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Styles
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\input tikzfeynhand.keys.code.tex
\endinput
