[Xy-pic] xy-pic Digest, Vol 85, Issue 2

Vlad Patryshev vpatryshev at gmail.com
Sun Nov 13 09:19:05 CET 2011


Oh, this is really cool! Yes, it works.
Still I have to consider using diagxy... although my representation of
diagrams is more for serializing/deserializing:
"({0}, {0: 0 -> 0, 1: 0 -> 0, 2: 0 -> 0}, {1 o 1 = 2, 1 o 2 = 0, 2 o 1 = 0,
2 o 2 = 1})"
"({1, 2}, {1: 1->1, 2: 2->2, 2_1: 2->1}, {2 o 2_1 = 2_1})"

Thanks a lot anyway!
-Vlad


On Wed, Nov 9, 2011 at 4:45 AM, Michael Barr <barr at math.mcgill.ca> wrote:

> The following works in diagxy and, although I haven't tested it, I can see
> no reason it wouldn't work in native xy-pic (for which diagxy is a front
> end):
>
> \documentclass{article}
> \input diagxy
> \begin{document}
>
>  $$\bfig
> \morphism/@{>}|-*@{|}/[A`B;]
> \morphism/@{>}|-*@{|}/<500,**500>[A`B;]
>  \efig$$
>
> \end{document}
>
> Notice that it also works at angles other than horizontal.  The crucial
> part is |-*@{|}.  The | means center it vertically (this on a horizontal
> arrow), the - means center it horizontally, the star means (if I recall
> correctly) put the label in a 0 width box and finally @{|} tells what to
> put there.
>
>
> On Wed, 9 Nov 2011, xy-pic-request at tug.org wrote:
>
>
>> Message: 1
>> Date: Tue, 8 Nov 2011 22:01:03 -0800
>> From: Vlad Patryshev <vpatryshev at gmail.com>
>> To: xy-pic at tug.org
>> Subject: [Xy-pic] crossed arrow
>> Message-ID:
>>        <CAFhNTo8WEKO37=7RAfaFOt5khJui**gi2kMdift_Ymrs0BPcb3WA at mail.**
>> gmail.com <7RAfaFOt5khJuigi2kMdift_Ymrs0BPcb3WA at mail.gmail.com>>
>> Content-Type: text/plain; charset="iso-8859-1"
>>
>> Hi,
>>
>> Seems like all my attempts to render via xypic an arrow that looks like
>> this:
>>
>> ---|-->
>>
>> just failed. Any ideas, hints?
>>
>> Thanks,
>> -Vlad
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