[Xy-pic] uniform (but different) row and column spacing (fwd)
Les Saper
saper at math.duke.edu
Mon Aug 21 02:43:31 CEST 2006
According to the Xy-Pic reference manual, the code @!R=<dimen> should give
uniform row spacing by pretending that all entries have height and width
<dimen> (of course only the height matters here). Likewise @!C=<dimen> should
affect column spacing. Thus it should not matter in which order the two codes
are given.
Consider the following two xymatrices (the code @=0pt means there will be no
extra space between columns and rows):
\xymatrix @=0pt @!R=1cm @!C=1.5cm {
{\bullet} & {\bullet} \\ {\bullet} & {\bullet}}
\xymatrix @=0pt @!C=1.5cm @!R=1cm {
{\bullet} & {\bullet} \\ {\bullet} & {\bullet}}
They should produce identical non-square rectangles of dots, 1.5cm x 1cm.
Instead each produces a square of dots, the first one 1.5cm x 1.5cm and the
second one 1cm x 1cm. What appears to be happening is that the second of the
two codes is overring the first and it is applying to _both_ columns and rows.
Is this a bug? Or have I misinterpreted the documention? If the latter, can
someone suggest how to accomplish what I want? (Note that I need to have the
entries retain their true sizes to have arrows begin and end at the right
places, so @R=1cm @C=1.5cm @!0 is not an option.)
Thanks,
Les Saper
-----------------------------------------------------------
Leslie Saper e-mail: saper at math.duke.edu
Department of Mathematics phone: 919-660-2843
Duke University Fax: 919-660-2821
Box 90320
Durham, NC 27708-0320
USA
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