python.samplers.PtThetaMPhiSampler Node1 python.samplers.PtThetaMPhi Sampler + pt + theta + mass + phi - _pt - _theta - _m - _phi + __init__() + pt() + pt() + theta() + theta() + mass() + mass() + phi() + phi() + shoot() Node2 python.samplers.MomSampler Node2->Node1 Node3 python.samplers.Sampler + shoot() + __call__() Node3->Node2 Node4 object Node4->Node3