更新(取的交集)
===================

1.描述
------------

输入要素和更新要素中不叠置的要素或要素的各部分将被写入到输出要素类

2.使用限制
----------------

3.算子id
----------------
igis.gis.analysis.overlay.update

4.参数列表
-------------------------
+----------+-------------------+--------------------------+--------+---------------------------------------------------------------------------------+----------+
| 参数类型 | 参数名称          | 参数关键字               | 必要性 | 参数说明                                                                        | 数据类型 |
+----------+-------------------+--------------------------+--------+---------------------------------------------------------------------------------+----------+
| 输入参数 | url               | 数据源地址               | Y      | 数据源地址                                                                      | String   |
+----------+-------------------+--------------------------+--------+---------------------------------------------------------------------------------+----------+
|          | in_features       | 输入要素类或图层         | Y      | 输入要素类或图层                                                                | String   |
+----------+-------------------+--------------------------+--------+---------------------------------------------------------------------------------+----------+
|          | update_features   | 更新输入要素时使用的要素 | N      | 更新输入要素时使用的要素。几何类型必须是面                                      | String   |
+----------+-------------------+--------------------------+--------+---------------------------------------------------------------------------------+----------+
|          | cluster_tolerance | 容差                     | N      | 所有要素坐标（节点和折点）之间的最小距离以及坐标可以沿 X 和/或 Y 方向移动的距离 | Double   |
+----------+-------------------+--------------------------+--------+---------------------------------------------------------------------------------+----------+
|          | keep_borders      | 间隙                     | N      | 指定是否保留更新面要素的边界                                                    | String   |
+----------+-------------------+--------------------------+--------+---------------------------------------------------------------------------------+----------+
| 输出参数 | out_feature_class | 结果图层                 | Y      | 所创建的要素类，并且结果将写入其中                                              | String   |
+----------+-------------------+--------------------------+--------+---------------------------------------------------------------------------------+----------+


5.配置面板
--------------------

6.调用示例
------------------
.. code::
  
    {
      "params":{
        "url":"kudu://172.20.20.15:7051/geomesa_spark",
        "in_features":"hainan",
        "update_features":"erase",
        "cluster_tolerance":"0.001",
        "out_feature_class":"hainan_update"
      },
      "identifier":"igis.gis.analysis.overlay.update"
    }