href="https://www.cnblogs.com/Laurentianelle/p/19620206"

title="发布于

id="用-arcpy-批量拆分并投影-shapefile自动分组导出--合并输出实战教程">用

ArcPy

需要按照某个字段（比如项目名称）分组拆分成多个

shp

每个组里还要再按照另一个字段（比如编号）单独导出；

shp；

同时还要统一投影到指定坐标系。

ziname（作为分组字段）

按

zibianhao（编号字段）拆分为多个

shp

id="第一步打开-arcgis-pro-python-环境">第一步：打开

ArcGIS

class="language-bash">C:\Program

Files\ArcGIS\Pro\bin\Python\Scripts\proenv.bat

id="核心代码已去除私人路径">核心代码（已去除私人路径）

clean_group_name(name):"""为组文件夹生成合法名称"""name
"_",
split_and_project_shp(input_fc,
output_root):arcpy.env.overwriteOutput
Truetarget_sr
arcpy.SpatialReference(4547)ZXMMC_field
"ziname"BSM_field
"temp")os.makedirs(temp_folder,
"projected.shp")print("正在投影...")arcpy.Project_management(input_fc,
projected_fc,
arcpy.da.SearchCursor(projected_fc,
arcpy.Describe(projected_fc).OIDFieldNamemerge_root
exist_ok=True)for
clean_group_name(str(value))group_folder
safe_value)os.makedirs(group_folder,
exist_ok=True)where
arcpy.da.SearchCursor(projected_fc,
[oid_field,
cursor:bsm_to_oids.setdefault(str(bsm),
[]for
{oid_list[0]}"else:where_clause
{oid}"
oid_list])arcpy.Select_analysis(projected_fc,
out_shp,
where_clause)shp_list.append(out_shp)merge_shp_name
clean_filename_for_shp(str(value))
".shp"merge_shp_path
1:arcpy.Merge_management(shp_list,
merge_shp_path)elif
1:arcpy.CopyFeatures_management(shp_list[0],
-------------------
r"D:\【your_folder】\shp.gdb\patch2"
output_root
r"D:\【your_folder】\output"split_and_project_shp(input_fc,
output_root)
id="第三步修改输入路径非常重要">第三步：修改输入路径（非常重要）

修改这里：

class="language-python">input_fc

r"D:\【your_folder】\shp.gdb\patch2"

output_root

id="核心代码解析大白话版本">核心代码解析（大白话版本）

class="language-python">arcpy.Project_management(input_fc,

projected_fc,

class="language-python">SearchCursor(projected_fc,

[ZXMMC_field])

class="language-python">Select_analysis(...)

class="language-python">Merge_management(...)

class="language-python">re.sub(...)

id="-1-modulenotfounderror-no-module-named-arcpy">❌

ModuleNotFoundError:

id="-2-error-000732-dataset-does-not-exist">❌

ERROR

class="language-python">ZXMMC_field

"ziname"

如果数据量很大，它能帮你节省几个小时甚至几天的重复劳动。

对于

class="post-meta-container">