Hi,

        I am trying to use the R package 'spatstat' for generating spatial 
poisson point process graphs. I can create a point pattern using the 
following commands:

        pp <- rpoispp(.01, win=owin(c(0,100),c(0,100)))

        and also view the resulting graph by:

        plot(pp)

        But how can I export the generated point pattern to an external file so 
that I could use it as input for some network simulation
programs ? Also, it seems that the generated graph is different on each 
invocation. Is there a way I could control this randomness, some seed 
perhaps.

Thanks in advance,
Ajit.
-- 
Ajit Chakrapani Warrier
------------------------------------------------------------
Graduate Student                     [EMAIL PROTECTED]
Department of Computer Science       (919) 389 9737
North Carolina State University      www4.ncsu.edu/~acwarrie

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