& exch2_myFace, exch2_mydNx, exch2_mydNy,
INTEGER exch2_mydNx( W2_maxNbTiles )
exch2_mydNx(I) = 0
fNx = exch2_mydNx(is)
exch2_mydNx ( tId ) = fNx
internConnect = iHi.LT.exch2_mydNx(is)
gridNx = exch2_mydNx(1)
IF ( exch2_mydNx(tN) .GT. xSize ) THEN
jGjLoc = exch2_mydNx(tN) / xSize
iGjLoc = exch2_mydNx(tN)
map2gl(2) = exch2_mydNx(tN) / xSize
map2gl(1) = exch2_mydNx(tN)
IF ( exch2_mydNx(tN) .GT. exch2_global_Nx ) THEN