2.5 More targets
The target address can be given in a large number of formats called positions. The full range of possibilities is described in the reference manual [8, fig. 1,]; here is a number of useful ones in addition to the hop format described in section 1.3:- ??!C[], where r,c are integers, denotes the
relative entry found r rows below and
c columns to the right of the current entry (the current entry itself is thus
[0,0]
). This always corresponds to a[
hop]
, e.g.,[1,2]
is the same as[drr]
and[-2,0]
is the same as[uu]
. - , where r,c are positive integers, denotes the
absolute entry found in the rth row and cth column
of the diagram. The top left entry is
"1,1"
. - , where t' is any target, changes the base entry
of the present arrow to t' and then sets the target to t relative
to the original base entry. For example,
typesets\xymatrix{ A \\ B & C \ar@<1ex>[ul] \ar@<1ex>[ul];[] }
i.e., the second
\ar[ul]
arrow starts at the[ul]
entry and ends in the current entry.
© Kristoffer H. Rose <krisrose@brics.dk> January 6, 1997 / LaTeX2HTMLv96.1-h