Re: [ns] problem with visualizing wireless node movement in nam

[Di-Fa Chang <difac@usc.edu>]

did you use '$ns_ node-config -movementTrace ON ...'?

- difa

On Thu, 15 Nov 2001, Delphine Nain wrote:

> Hello,
>
> I have started to use ns/nam for a class final project with ad-hoc
> networking.
>
> I have generated scenario files/connection files for a network of 20
> nodes with high mobility and successfully generated a nam output. When I
> run the nam program with the output file, I noticed that nodes don't show
> intermediate movement on the screen, the only time that I see an update of
> a node's position on the screen is right before the node changes its
> direction of movement (which corresponds to a line that starts with
> "n" in the nam file).
> For example, at t=203 my node 7 changes its direction of motion and is
> then left alone (no setdest is called on node 7 until the end of the
> simulation at 1000s) so on the screen, I should see node 7 move until it
> reaches its destination
> [which corresponds in the nam trace to this line
> n -t 203.000000 -s 7 -x 153.298333 -y 13.271966 -u -0.456863 -v 4.137658
> -T 138.815850]
> but in reality, I don't see any movement of node 7 after t=203.
>
> Is there a command that needs to be called to dump intermediate node
> movement to a nam file (i.e log movement every 1 s, so I can see an update
> of the nodes' position every second on the screen) ?
>
>
> Thanks a lot for any help,
> Delphine
>
>
>
>