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NARVAL >> NL_F: Function > NL_F_XYExtraction

NL_F_XYExtraction

Extract the graph nodes' coordinates from a graphic window when N moving nodes are defined after Nf fixed nodes (MANET).

Calling Sequence

[Nx,Ny] = NL_F_XYExtraction(F,N,Nf)

Arguments

F :

Graphic window ID.

N :

Quantity of moving nodes.

:

Quantity of fixed nodes.

:

X-coordinates.

:

Y-coordinates.

Description

NL_F_XYExtraction extracts the graph nodes' coordinates from the graphic window defined by its handle F when N moving nodes are defined after fixed nodes.

Examples

w=1;
scf(w);//creation of a graphic window
clf(w);
f=gcf();
f.figure_name='MANET' ;
//f.pixmap='on'; //set the pixmap mode
plot2d(0,0,-1,"011"," ",style=5,rect=[0,0,1000,1000]);//creation of the network boundaries
xgrid;
//simulation scenario
r=10;//display radius of moving nodes
rf=15;//display radius of fixed nodes
rs=20;//display radius of the moving nodes belonging to the connection under studies
n=50;//quantity of moving nodes
nf=5;//quantity of fixed nodes
[ndep,nfin]=NL_F_RandIntNiNjNf(n,nf);//connection extremal nodes
L=1000;//network square area side
ts=20;//maximum time break
vm=20;//maximum speed
v=vm*rand(1,n);//velocity
Tlim=1000;//simulation duration
nodex=L*rand(1,n+nf);//current x-coordinate of all nodes
nodey=L*rand(1,n+nf);//current y-coordinate of all nodes
destx=L*rand(1,n+nf);//destination x-coordinate of all nodes(not used for fixed nodes)
desty=L*rand(1,n+nf);//destination y-coordinate of all nodes(not used for fixed nodes)
d=sqrt((nodex-destx).^2+(nodey-desty).^2);//initialization of the distance vector
//display the initial state
NL_M_GraphAnimation(nodex(nf+1:$),nodey(nf+1:$),r,5,w);//fixed nodes in red (5)
NL_M_GraphAnimation(nodex(1:nf),nodey(1:nf),rf,2,w);//fixed nodes in blue (3)
//show_pixmap();//display
//f=gcf();//get the figure properties
i=ndep-nf;//emission node in purple (6)
f.children.children($-1).children(n-i+1).data(3:4)=[rs rs];//node i
f.children.children($-1).children(n-i+1).foreground=6;//node i 
f.children.children($-1).children(n-i+1).background=6;//node i
//show_pixmap();//display
[nodx1,nody1]=NL_F_XYExtraction(f,n,nf)//application of NL_F_XYExtraction

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