
p = newp ;
Point( p   ) = { -0.5 , 0. , 0. } ;
Point( p+1 ) = {  0.5 , 0. , 0. } ;

l = newl ;
Line( l ) = { p , p+1 } ;

RegionToRotate = 100 ;

Physical Line( RegionToRotate ) = l ;
