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--- latex:feynman_file [2023/02/04 15:31] – [Method 1: feynmp-auto] iwn
+++ latex:feynman_file [2023/02/04 16:44] – [Method 2: feynmp-auto (standalone)] iwn
@@ Line 8: / Line 8: @@
 % !TEX parameter = -shell-escape
 </code>
+However, for Mac users however, [[http://osksn2.hep.sci.osaka-u.ac.jp/~taku/osx/feynmp_latexit.html|feynmp in LaTeXiT]] is a better option to quickly build of Feynman diagrams as standalone images and use ''\includegraphics''.
 ===== Method 1: feynmp-auto =====
@@ Line 33: / Line 34: @@
 \begin{figure}[h]
-  \vspace{10mm}
+\vspace{10mm}
-  \centering
+\centering
-  \begin{fmffile}{feynman-compton}
+\begin{fmffile}{feynman-compton}
   \begin{fmfgraph*}(150,100)
     \fmfleft{i1,i2}
-	\fmfright{o1,o2}
+    \fmfright{o1,o2}
-	\fmflabel{$\gamma$}{i2}
+    \fmflabel{$\gamma$}{i2}
-	\fmflabel{$e^-$}{i1}
+    \fmflabel{$e^-$}{i1}
-	\fmflabel{$\gamma$}{o1}
+    \fmflabel{$\gamma$}{o1}
-	\fmflabel{$e^-$}{o2}
+    \fmflabel{$e^-$}{o2}
-	\fmf{photon}{i2,v2}
+    \fmf{photon}{i2,v2}
-	\fmf{fermion}{i1,v1,v2,o2}
+    \fmf{fermion}{i1,v1,v2,o2}
-	\fmf{photon}{v1,o1}
+    \fmf{photon}{v1,o1}
   \end{fmfgraph*}
-  \end{fmffile}
+\end{fmffile}
-  \vspace{5mm}
+\vspace{5mm}
-  \caption{Feynman diagram for Compton scattering} %\label{compton}
+\caption{Feynman diagram for Compton scattering} %\label{compton}
 \end{figure}
@@ Line 55: / Line 56: @@
 </code>
-===== Method 2: Macro =====
-Add this macro to the preamble:
+===== Method 2: feynmp-auto (standalone) =====
+To create a standalone Feynman diagram, use the ''standalone'' class:
+<code latex feynman_standalone.tex>
+% !TEX program = pdflatexmk
+% !TEX parameter = -shell-escape
+% Author: Izaak Neutelings (February 2023)
+\documentclass[10pt,border=2pt]{standalone}
+\usepackage{amsmath}
+\usepackage{feynmp-auto}
+\begin{document}
+\fmfframe(0,15)(0,15){ % padding (LTRB)
+\begin{fmffile}{feynman-compton}
+  \begin{fmfgraph*}(110,80)
+    \fmfleft{i1,i2}
+    \fmfright{o1,o2}
+    \fmflabel{$\gamma$}{i2}
+    \fmflabel{$e^-$}{i1}
+    \fmflabel{$\gamma$}{o1}
+    \fmflabel{$e^-$}{o2}
+    \fmf{photon}{i2,v2}
+    \fmf{fermion}{i1,v1,v2,o2}
+    \fmf{photon}{v1,o1}
+  \end{fmfgraph*}
+\end{fmffile}
+}
+\end{document}
+</code>
+To create one multiple PDF with one Feynman diagram per page, use the option
+<code latex feynman_standalone2.tex>
+\documentclass[10pt,border=2pt,multi=page,crop]{standalone}
+</code>
+and wrap each ''fmffile'' around the ''page'' environment:
+<code latex>
+% !TEX program = pdflatexmk
+% !TEX parameter = -shell-escape
+% Author: Izaak Neutelings (February 2023)
+\documentclass[10pt,border=2pt,multi=page,crop]{standalone}
+\usepackage{amsmath}
+\usepackage{graphicx}
+\usepackage{feynmp-auto}
+\begin{document}
+\begin{page}
+\fmfframe(0,15)(0,15){ % padding (LTRB)
+\begin{fmffile}{feynman-compton}
+  \begin{fmfgraph*}(110,80)
+    \fmfleft{i1,i2}
+    \fmfright{o1,o2}
+    \fmflabel{$\gamma$}{i2}
+    \fmflabel{$e^-$}{i1}
+    \fmflabel{$\gamma$}{o1}
+    \fmflabel{$e^-$}{o2}
+    \fmf{photon}{i2,v2}
+    \fmf{fermion}{i1,v1,v2,o2}
+    \fmf{photon}{v1,o1}
+  \end{fmfgraph*}
+\end{fmffile}
+}
+\end{page}
+\begin{page}
+\fmfframe(0,15)(0,15){ % padding (LTRB)
+\begin{fmffile}{feynman-scat}
+  \begin{fmfgraph*}(110,80)
+    \fmfleft{i1,i2}
+    \fmfright{o1,o2}
+    \fmflabel{$\mu^-$}{i1}
+    \fmflabel{$e^-$}{i2}
+    \fmflabel{$\mu^-$}{o1}
+    \fmflabel{$e^-$}{o2}
+    \fmf{fermion}{i1,v1,o1}
+    \fmf{fermion}{i2,v2,o2}
+    \fmf{photon,label=$\gamma$}{v1,v2}
+  \end{fmfgraph*}
+\end{fmffile}
+}
+\end{page}
+\end{document}
+</code>
+===== Method 3: Macro =====
+This is a handy macro that allows you to compile Feynman graphs in LaTeX documents, without the need for extra scripts ([[https://tex.stackexchange.com/questions/20241/how-to-use-kile-with-feynmf-or-feynmp|source]]).
 <code latex>
 \usepackage{feynmp}
@@ Line 75: / Line 167: @@
 </code>
+Simply include the macro in the preamble. (Tested only in TeXShop on a Mac.)
-The file contains a handy macro that allows you to compile Feynman graphs in LaTeX documents, without the need for extra scripts ([[https://tex.stackexchange.com/questions/20241/how-to-use-kile-with-feynmf-or-feynmp|source]]). Simply include the macro in the preamble. (Tested only in TeXShop on a Mac.) For Mac users however, [[http://osksn2.hep.sci.osaka-u.ac.jp/~taku/osx/feynmp_latexit.html|feynmp in LaTeXiT]] is a better option to quickly build of Feynman diagrams as standalone images.
+<code latex feynman_macro.tex>
-<code latex feynman_script.tex>
 % !TEX program = pdflatexmk
 % !TEX parameter = -shell-escape
@@ Line 108: / Line 199: @@
 \begin{figure}[h]
-  \vspace{10mm}
+\vspace{10mm}
-  \centering
+\centering
-  \begin{fmffile}{feynman-compton}
+\begin{fmffile}{feynman-compton}
   \begin{fmfgraph*}(150,100)
     \fmfleft{i1,i2}
-	\fmfright{o1,o2}
+    \fmfright{o1,o2}
-	\fmflabel{$\gamma$}{i2}
+    \fmflabel{$\gamma$}{i2}
-	\fmflabel{$e^-$}{i1}
+    \fmflabel{$e^-$}{i1}
-	\fmflabel{$\gamma$}{o1}
+    \fmflabel{$\gamma$}{o1}
-	\fmflabel{$e^-$}{o2}
+    \fmflabel{$e^-$}{o2}
-	\fmf{photon}{i2,v2}
+    \fmf{photon}{i2,v2}
-	\fmf{fermion}{i1,v1,v2,o2}
+    \fmf{fermion}{i1,v1,v2,o2}
-	\fmf{photon}{v1,o1}
+    \fmf{photon}{v1,o1}
   \end{fmfgraph*}
-  \end{fmffile}
+\end{fmffile}
-  \vspace{5mm}
+\vspace{5mm}
-  \caption{Feynman diagram for Compton scattering} %\label{compton}
+\caption{Feynman diagram for Compton scattering} %\label{compton}
 \end{figure}
@@ Line 133: / Line 224: @@
 ===== Output =====
-{{ latex:feynman.png ? 2000 }}
+{{ latex:feynman:feynman-auto.png ? 2000 }}

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