importarcpy
# 创建空间参考
cgcs2000=arcpy.SpatialReference(4490) # CGCS2000
# 创建点要素类
fc_name="Cities_CGCS2000"
arcpy.CreateFeatureclass_management(
out_path=arcpy.env.workspace,
out_name=fc_name,
geometry_type="POINT",
spatial_reference=cgcs2000
)
无论在ArcMap或ArcGIS Pro生成数据，XY分辨率为：0.000000001，精度达不到，cgcs2000.XYResolution=0.000000000899322
cgcs2000.XYTolerance=0.000000008983153
