0

I need to represent a commutative diagram. The following code works. Is there a way to modify it in order to have longer arrows?

\begin{tikzcd}
A \arrow[transform canvas={yshift=.5ex}]{r}{f}  \arrow[transform canvas={xshift=.5ex}]{d}{g} & B 
\arrow[transform canvas={yshift=-.5ex}]{l}{h} \arrow[transform canvas={xshift=-.75ex}]{dl}{} \\
C \arrow[transform canvas={xshift=-.5ex}]{u}{r} \arrow[transform canvas={yshift=-.75ex}]{ur}{}
\end{tikzcd}

2 Answers 2

3

Use the sep key. The input can also be simplified.

\documentclass{article}
\usepackage{tikz-cd}

\begin{document}

\begin{tikzcd}[sep=huge]
A \arrow[r,shift left,"f"] \arrow[d,shift left,"g"] &
B \arrow[l,shift left,"h"] \arrow[dl,shift left] \\
C \arrow[u,shift left,"r"] \arrow[ur,shift left]
\end{tikzcd}

\end{document}

enter image description here

0

I added my MWE using the xy package....but with the same tips of @egreg :-) :-). The code is more hard than tikz-cd. Using the parameter <.5ex> you can increase or decrease the distance of the double arrows, and with R=1.5cm@C=2cm you can change the lenght of the row and the column.

\documentclass[a4paper,12pt]{article}
\usepackage[cmtip,all]{xy}
\labelmargin-{1pt}
\begin{document}
\xymatrix@R=1.5cm@C=2cm{
 A \ar@<.5ex>[r]^{f} \ar@<.5ex>[d]^{g}& \ar@<.5ex>[l]^{h} B\ar@<.5ex>[dl]\\
 C \ar@<.5ex>[u]^{r} \ar@<.5ex>[ur] & 
 }
\end{document}

enter image description here

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.