My beleive is whenever I run the ns command for my tcl file, the nam file 
for that tcl file is overwritten, am I wrong?


>From: [EMAIL PROTECTED]
>CC: ns-users@ISI.EDU
>Subject: Re: [ns] Random motion for ad-hoc network
>Date: Tue, 08 Aug 2006 14:14:14 +0930
>
>
>sara MA wrote:
> > hello:
> >
> > I'm using these codes for creating random motion in an ad-hoc network:
> >
> >     for {set i 0} {$i < $val(nn) } {incr i} {
> >         set node_($i) [$ns_ node]
> >             $node_($i) random-motion 1 }
> >
> >     for {set i 0} {$i < $val(nn) } {incr i} {
> >         $node_($i) start }
> >
> > The distribution of my nodes looks random, but my problem is every time 
>I
> > run the nam file,  the initial positions of nodes is the same as last 
>time,
> > and they even move in the same way they moved as last time.
> >
> > Do you know what maybe the problem?
> >
> > Thanks:
> > Sara
> >
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> >
> >
> >
>Hi sara,
>
>Running NAM against the same namfile will always produce the same node
>mobility.
>
>I suggest that you look at Marc Greis' tutorial Chapter XI.
>
>P.
>

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