After the modifications, ChppProblem::obstacleList (inCollisionList) will replace list of obstacles. Before the modification, it just added the elements of the new list to the existing list. so, the following modification were done:
1- Add an attribute ,”attMapOuter”, to hppProblem
2- Add  a function “initMapOuter()” to hppProblem
3– Modify the constructors and also  obstacleList (inCollisionList) in hppProblem