TEST: testing non-overlapping case in vector field composition
TEST: testing non-overlapping case in vector field composition

nilgoyyou/dipy,rfdougherty/dipy,matthieudumont/dipy,StongeEtienne/dipy,beni55/dipy,FrancoisRheaultUS/dipy,villalonreina/dipy,JohnGriffiths/dipy,jyeatman/dipy,matthieudumont/dipy,rfdougherty/dipy,villalonreina/dipy,StongeEtienne/dipy,mdesco/dipy,oesteban/dipy,sinkpoint/dipy,FrancoisRheaultUS/dipy,nilgoyyou/dipy,jyeatman/dipy,mdesco/dipy,Messaoud-Boudjada/dipy,sinkpoint/dipy,oesteban/dipy,beni55/dipy,Messaoud-Boudjada/dipy,JohnGriffiths/dipy,demianw/dipy,demianw/dipy