1:Tossim dose not use co-ordinates.  It only needs gain (path loss between 
motes) which you have to generate with an external program (linkLayerModel.java 
etc) or measure 

2:I used linkLayerModel
3:unfortunately tinyviz dose not work with tinyos2.x

Date: Fri, 16 Apr 2010 09:23:13 +0800
Subject: Re: [Tinyos-help] How to set the coordination of motes with    
topology.out
From: [email protected]
To: [email protected]




Hi Mark ,
 
    Now i know your mean.But i don't know how add x/y coordination to the motes 
with the topology.out.
In that file, it has lines like   1  15.43 7.39  
   .
   .
   .
  the line tell us the id of mote and coordination of x and y.
so,i can use the topoloy.out in the snippet of Python code .
f = open("topology.out", "r")

lines = f.readlines()
for line in lines:
  s = line.split()
  if (len(s) > 0):
    m = t.getNode(s[0])
Here I create nodes with the IDs in the file, but where should I set
the dimension x/y? Which method should I use for this?

In tinyos ,i input the command  "from TOSSIM import *" and "dir(t)" i can't 
find the function to add the coordination for motes?
 
2  Are you have your own topology  in which motes can have their coordination?  
In tinyos-help, there are not many people know that. some one tell tinyos2.x 
don't have the function.
 
3 The tinyviz can achieve my mind?
                                          
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