GaussianSampler Node1 GaussianSampler - m_mean - m_sigma + ~GaussianSampler() + GaussianSampler() + shoot() Node2 UniformSampler + m_low + m_high + UniformSampler() + UniformSampler() + ~UniformSampler() + shoot() Node2->Node1 Node3 Sampler + m_val + m_random + Sampler() + ~Sampler() + shoot() Node3->Node2