cross-referencingfloatslatex-basemacros
I took this line from my thesis style and added it into my document (preceded by \makeatletter) and what it does that whenever I used \ref{figureid} instead of putting just the figure number, it puts "Figure 1".
I can do the same thing for tables, by having \def\p@table{Table~) but what I don't know is what exactly is:
\p@figure
\p@table
I assume they're used internally by ref, but is there anything more (such as \p@(object) is always used as the beginning of something …)
The declaration
\DeclareOldFontCommand{\rm}{\normalfont\rmfamily}{\mathrm}
does
\DeclareRobustCommand\rm{\@fontswitch{\normalfont\rmfamily}{\mathrm}}
Let's see what happens when LaTeX finds $\rm a$ in the following minimal document:
\documentclass{article}
\begin{document}
$\rm a$
\end{document}
Let's start:
\rm ->\protect \rm
\rm is a robust command, so this is its normal expansion. Now, since \protect is \relax, \rm is expanded:
\rm ->\@fontswitch {\normalfont \rmfamily }{\mathrm }
Next \@fontswitch is expanded:
\@fontswitch #1#2->\ifmmode \let \math@bgroup \relax
\def \math@egroup {\let \math@bgroup \@@math@bgroup
\let \math@egroup \@@math@egroup }#2\relax \else #1\fi
#1<-\normalfont \rmfamily
#2<-\mathrm
We see the arguments. Since we are in math mode, the "true" branch is followed, so the redefinitions of \math@bgroup and \math@egroup are performed and \mathrm is expanded:
\mathrm ->\protect \mathrm
\mathrm ->\relax \ifmmode \else \non@alpherr \mathrm \fi
\use@mathgroup \M@OT1 \symoperators
\use@mathgroup #1#2->\relax \ifmmode \math@bgroup \expandafter
\ifx \csname M@\f@encoding \endcsname #1\else #1\fi \mathgroup #2\relax
\expandafter \math@egroup \fi
#1<-\M@OT1
#2<-\symoperators
Again, we're in math mode (\mathrm has some code for disallowing its use outside of it); the tests are performed using the fact that the expansion of \f@encoding is
\f@encoding ->OT1
Now it remains to expand \math@egroup:
\math@egroup ->\let \math@bgroup \@@math@bgroup
\let \math@egroup \@@math@egroup
and the business is finished. Essentially, this is transformed into
${\mathrm{a}}$
If {\rm a} is found in text mode, then it becomes essentially
{\normalfont\rmfamily a}
that is, the old behavior of the \rm command is emulated.
This is why {\sf\sl a} won't use a slanted sans serif font, but a serif slanted one: it becomes equivalent to
{\normalfont\sffamily\normalfont\slshape a}
Moral: never use the old font commands. You gain nothing and lose much of the flexibility of the new ones. Well, after 18 years they aren't really new.
The easiest solution is to put an explicit \captionsetup[type=table] before \captionof{table}{...}.
Apparently, \captionof should not be used in floating environment at all, it seems to grab the wrong \@captype content. In final, this will write a wrong anchor name to the .aux file from which \autoref grabs its information to determine the name.
Perhaps, the grouping together is not the best way at all.
The package cleveref provides correct names, however!
\documentclass[12pt]{article}
\usepackage{capt-of}
\usepackage{subfig}
\usepackage[ngerman]{babel}
\usepackage{pgfplots}
\usepackage{hyperref}
\addto\captionsngerman{\def\figurename{Abb.}}
\addto\extrasngerman{\def\figureautorefname{Abb.}}
\addto\extrasngerman{\def\tableautorefname{Tab.}}
\begin{document}
\begin{figure}
\centering
%Figure
\begin{tikzpicture}
\begin{axis}
\addplot coordinates{(1,1)};
\end{axis}
\end{tikzpicture}
\caption{CAPTION}
\label{figure}
%Table
\captionsetup{type=table}
\captionof{table}{CAPTION\label{tab:LABEL}}
\begin{tabular}{ccc}
akbvk & laknflfk& kanfkf \\
\end{tabular}
\end{figure}
Refering to the figure (\autoref{figure}) and refering to the table (\autoref*{tab:LABEL})
\end{document}
Best Answer
These are LaTeX kernel macros that are associated with environments. In simple terms anything that is enclosed with a
\begin{foo}...\end{foo}is an environment. For example a figure or a table.Every time you insert a table a counter is incremented. This counter let us call it
foohas an associated macro named\p@foo. This macro expands to a printed `reference prefix' of counter foo.Any
\refto a value created by counterfoowill produce the expansion of\p@foo\thefoowhen the\labelcommand is executed.\thefoojusts prints the value of counter `foo'.Change
footofigureortableand it will make more sense.The
\defpart defines the macro. You can for example say\def\milan{Milan Ramaiyan}and every time you type\milanit will expand too .. Milan Ramaiyan. The@symbol is just a special symbol used by TeX and LaTeX to avoid overriding commands accidentally. It needs special treatment and that is why themakeatletterandmakeatotherare required.