# nombre de points
param nb_pts := 21;

# 
param x_ref :=
 1  0
 2  0.5 
 3  1   
 4  1.5 
 5  2   
 6  2.5 
 7  3   
 8  3.5 
 9  4   
10  4.5 
11  5   
12  5.5 
13  6   
14  6.5 
15  7   
16  7.5 
17  8   
18  8.5 
19  9   
20  9.5 
21  10; 

# 
param y_ref := 
 1  0
 2  0.5 
 3  1   
 4  1.5 
 5  2   
 6  2.5 
 7  3   
 8  3.5 
 9  4   
10  4.5 
11  5   
12  5.5 
13  6   
14  6.5 
15  7   
16  7.5 
17  8   
18  8.5 
19  9   
20  9.5 
21  10; 

end;