arr0_2=DataArrayInt.Range(1,2*len(arr0),2).buildExplicitArrByRanges(arr0_1)
c=DataArrayInt(len(arr0)+len(arr1)) ; c[:]=0 ; c[arr0_0[:-1]]=NORM_POLYGON
c[arr0_2]=DataArrayInt(arr1-1)
#
m.setConnectivity(c,arr0_0,True)
arr0_2=DataArrayInt.Range(1,2*len(arr0),2).buildExplicitArrByRanges(arr0_1)
c=DataArrayInt(len(arr0)+len(arr1)) ; c[:]=0 ; c[arr0_0[:-1]]=NORM_POLYGON
c[arr0_2]=DataArrayInt(arr1-1)
#
m.setConnectivity(c,arr0_0,True)