[Xy-pic] colored crvs splines

Ishanu Chattopadhyay ixc128 at psu.edu
Sat Jan 14 18:23:30 CET 2006


hi list,

(questions of a novice....hence probably obvious to everybody)
i need to typeset pretty curves, specifically colored ones. i figured out
how to typeset dotted and other linetypes as follows:

**\crv{~*=<2pt>{.}<poslist>}

however, i seem to be at a loss how to color it.....

 For arrows of course i can use
\ar @[red]@[thicker]
But that doesnot work for curves :-(

i can ofcourse color the whole diagram by wrapping 
\color{red}{
\xy ....
........................
\endxy
}
But that is not what I want.... is there a way to produce individually
colored curves.?...what about changing the line thickness?
Any help will be greatly appreciated....even an one line example 
will greatly ease my misery

ish
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