随机产生4个点，并把4个点用狄洛尼网构算法构造成狄洛尼三角网-Randomly generated four points and four points Diluo Ni network structure algorithm is configured to Diluo Ni triangulation

数字高程模型，随机产生11个点，并把11个点用狄洛尼网构算法构造成狄洛尼三角网-Digital elevation model, randomly generated 11 points and 11 points Di Luoni network configuration algorithm is configured to Diluo Ni triangulation