Fixed sampling
Fixed sampling


Former-commit-id: 4b818586df5ae36efb0e8cfaba474172177e0810 [formerly c11279eb2c1fd986e59ec7d91dbb78dfa2cbab24]
Former-commit-id: e5e116363403d9aebc6caa455dce64a3b46f16e0
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine