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说明

  • 实现反距离权重插值算法

    • 输入参数

      • 离散点点集
      x y z
      0 0 0
      100 100 200
      300 300 500
      500 500 200
      700 700 500
      900 900 200
      1000 1000 0
      • 像元大小。像元大小决定网格规模(行列数),本示例默认值为10,插值网格规模为100×100。
      • 实现原理:遍历网格,依次计算估计值。详见IDW算法。
      • 实现结果示例:生成矩阵,保存至二维数组,并进行可视化。

        IDW插值结果示例图

  • 实现等值线提取算法

    • 输出:

      • 结果输出为拐点坐标集合数组。
    • 结果示例:

      以下分别为250m等值线与400m等值线的等值线可视化结果。若需要生成多条等值线,添加循环,递增目标值(已作为参数存放于接口中,可修改),多次执行方法即可。

400m等值线

250m等值线

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