I have the same situation. I solve it by using the same delay in the real simualtion, and use different delays just for debugging.
Pedro Estrela On 3/22/07, Javier Chicote <[EMAIL PROTECTED]> wrote: > > > Hi, > > Thank your very much for your reply. > > It is a good idea, but in my case all the links must have the same delay, > so that is not a possibility. > > It is a pity that NAM does not support this facility. > > Best regards, > > Javier > > ----- Mensaje original ---- > De: Pedro Vale Estrela <[EMAIL PROTECTED]> > Para: Javier Chicote <[EMAIL PROTECTED]>; ns-users@ISI.EDU > Enviado: miércoles, 21 de marzo, 2007 19:02:16 > Asunto: RE: [ns] ns/nam: respresentation problem when > definingposition-fixed nodes (NEW question) > > > I' tried to add XY coordinates for wired nodes, but nam doesn't support > this > facility. > > Instead, I achieve the same result by setting the length of the wired > links > via their delay > > Pedro Vale Estrela > http://tagus.inesc-id.pt/~pestrela/ns2 > > > > > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf > > Of Javier Chicote > > Sent: quarta-feira, 21 de Março de 2007 17:00 > > To: ns-users@ISI.EDU > > Subject: Re: [ns] ns/nam: respresentation problem when definingposition- > > fixed nodes (NEW question) > > > > > > Hi ns-users, > > > > I learnt that the previous problem can be "solved" by using 'orient' > > method at the link definition. However, this solution is not enough when > > defining more complex structures. The next figure shows 4 nodes standing > > in the imaginary vertexes of a square, which are all of them connected > to > > a master node like it is shown in the next picture: > > > > node(1,0) node(1,1) > > (0,100) (100,100)__ > > \_______ \__ > > \_______ \_ > > \_______ master > > _________/(200,50) > > _________/ _____/ > > / / > > (0,0) (0,100) > > node(0,0) node(100,0) > > > > ---> What I would like to know is if it is possible (or not) to define > the > > geographic position of the nodes when the coordinates of them are known > in > > a wired scenario, or other ideas to solve the problem. > > > > This is the code of the file: > > > > # Network configuration (x,y):## > node(1,0) node(1,1)# (0,100) > > (100,100)__# \_______ \__ # \_______ > > \_# \_______ master# > > _________/(200,50)# _________/ _____/# / > > / # (0,0) (0,100)# node(0,0) node(100,0)# > > # Create a simulator instanceset ns [new Simulator] > > # Open the NAM trace fileset namfile [open position-out.nam w]$ns > > namtrace-all $namfile > > set rows 2 ;# number of rowsset > cols 2 > > ;# number of nodes per row > > # Define nodesfor {set i 0} {$i < $rows} {incr i} { for {set j 0} > > {$j < $cols} { incr j } { set node($i,$j) [$ns node] > > }}set master [$ns node] > > # Provide initial (X,Y,Z) co-ordinates for nodesfor {set i 0} {$i < > $rows} > > {incr i} { set xj 0.0 for {set j 0} {$j < $cols} { incr j > } > > { $node($i,$j) set X_ $xj if {$i == 0} > then > > { $node($i,$j) set Y_ 0.0 } elseif {$i == 1} then { > > $node($i,$j) set Y_ 100.0 } $node($i,$j) set Z_ 0.0 > > set xj [expr $xj + 200] }}$master set X_ 200.0$master set Y_ > > 50.0$master set Z_ 0.0 > > # Define links between nodes$ns duplex-link $node(0,0) $master 1Mb 100ms > > DropTail$ns duplex-link $node(0,1) $master 1Mb 100ms DropTail$ns duplex- > > link $node(1,0) $master 1Mb 100ms DropTail$ns duplex-link $node(1,1) > > $master 1Mb 100ms DropTail > > # Define link orientation$ns duplex-link-op $node(0,0) $master orient > > rigth-up$ns duplex-link-op $node(0,1) $master orient rigth$ns > duplex-link- > > op $node(1,0) $master orient rigth$ns duplex-link-op $node(1,1) $master > > orient rigth-down > > # Define a 'finish' procedureproc finish {} { global ns tracefile > > namfile $ns flush-trace close $namfile exec nam > > position-out.nam & exit 0} > > # Stop the simulation$ns at [expr 5.0 - 0.000001] "puts \"Stopping > > Simulation...\" "$ns at 5.0 "finish ; $ns halt" > > # Start the simulationputs "Starting Simulation..."$ns run > > > > > > > > ----- Mensaje original ---- > > De: Javier Chicote <[EMAIL PROTECTED]> > > Para: ns-users@isi.edu > > Enviado: miércoles, 21 de marzo, 2007 11:36:06 > > Asunto: ns/nam: respresentation problem when defining position-fixed > nodes > > > > Hi ns-users, > > > > I would like to simulate a position-fixed wired network with 2 lines and > 3 > > nodes per line, like it is shown above. The distance between the nodes > > should be 100 units (for example), so the first node of the matrix will > be > > in (x=0,y=0) and the last node in (x=100, y=200). > > > > node(1,1) node(1,2) node(1,3) > > (100,0)______(100,100)____(100,200) > > | | | > > | | | > > | | | > > | | | > > (0,0)________(0,100)______(0,200) > > node(0,1) node(0,2) node(0,3) > > > > When I do not define the links, the nodes are shown correctly in NAM > > (without lines between them), but when I make some of the link > definitions > > (lines 46-48 of the above code), the structure of the network changes, > and > > it is shown as a straight line. > > > > I know that I > > could manually edit the position of the nodes by clicking on the > > Edit/View button in NAM, but I would like to build the structure of the > > network automatically for future bigger structures, where it is not > > affordable to edit them manually. > > > > How could I solve the problem?? > > > > Many thanks in advance, > > > > Regards, > > > > Javi > > > > > > # Network configuration (x,y):## node(1,1) > node(1,2) node(1,3)# > > (100,0)______(100,100)____(100,200)# | | > > |# | | |# | | > > |# | | |# > > (0,0)________(0,100)______(0,200)# node(0,1) node(0,2) > > node(0,3)# > > # Create a simulator instanceset ns [new Simulator] > > # Open the NAM trace fileset namfile [open position-out.nam > > w]$ns namtrace-all $namfile > > set rows 2 ;# number of rowsset > cols 3 > > ;# number of nodes per row > > # Define nodesfor {set i 0} {$i < $rows} {incr i} { for {set j 0} > > {$j < $cols} { incr j } { set node($i,$j) [$ns > node] }} > > # Provide initial (X,Y,Z) co-ordinates for nodesfor {set i 0} {$i < > $rows} > > {incr > > i} { set xj 0.0 for {set j 0} {$j < $cols} { incr j } { > > $node($i,$j) set X_ $xj if {$i == 0} then { $node($i,$j) > > set Y_ 0.0 } elseif {$i == 1} then { $node($i,$j) set Y_ > > 100.0 } $node($i,$j) set Z_ 0.0 set xj > > [expr $xj + 100] }} > > # Define links between nodes$ns duplex-link $node(0,0) $node(0,1) > > 1Mb 100ms DropTail$ns duplex-link $node(0,1) $node(0,2) 1Mb 100ms > > DropTail$ns duplex-link $node(0,2) $node(1,2) 1Mb 100ms DropTail#$ns > > duplex-link $node(1,2) $node(1,1) 1Mb 100ms DropTail#$ns duplex-link > > $node(1,1) $node(1,0) 1Mb 100ms DropTail#$ns duplex-link $node(1,0) > > $node(0,0) 1Mb 100ms DropTail$ns duplex-link $node(0,1) $node(1,1) 1Mb > > 100ms DropTail > > # Define a 'finish' procedureproc finish {} { global ns tracefile > > namfile $ns flush-trace close $namfile exec nam > > position-out.nam & exit 0} > > # Stop the simulation$ns at [expr 5.0 - 0.000001] "puts \"Stopping > > Simulation...\" "$ns at 5.0 > > "finish ; $ns halt" > > # Start the simulationputs "Starting Simulation..."$ns run > > > > > > > > > > LLama Gratis a cualquier PC del Mundo. > > Llamadas a fijos y móviles desde 1 céntimo por minuto. > > http://es.voice.yahoo.com > > > > > > > > > > > > > > ______________________________________________ > > LLama Gratis a cualquier PC del Mundo. > > Llamadas a fijos y móviles desde 1 céntimo por minuto. > > http://es.voice.yahoo.com > > > > > > > > > > ______________________________________________ > LLama Gratis a cualquier PC del Mundo. > Llamadas a fijos y móviles desde 1 céntimo por minuto. > http://es.voice.yahoo.com >
