import arcpy # 获取输入和输出参数 input_feature_class = arcpy.GetParameterAsText(0) output_feature_class = arcpy.GetParameterAsText(1) # 复制输入要素类到输出要素类 arcpy.CopyFeatures_management(input_feature_class, output_feature_class)运行后未导出输入的要素,请改正代码
时间: 2023-08-20 10:07:13 浏览: 178
可能是因为代码中没有正确处理输入参数的情况,可以添加一些错误处理代码来解决问题。例如,可以添加以下代码来检查输入要素类是否存在:
```
# 检查输入要素类是否存在
if not arcpy.Exists(input_feature_class):
arcpy.AddError("输入要素类不存在")
sys.exit()
```
完整的修改后代码如下:
```
import arcpy
import sys
# 获取输入和输出参数
input_feature_class = arcpy.GetParameterAsText(0)
output_feature_class = arcpy.GetParameterAsText(1)
# 检查输入要素类是否存在
if not arcpy.Exists(input_feature_class):
arcpy.AddError("输入要素类不存在")
sys.exit()
# 复制输入要素类到输出要素类
arcpy.CopyFeatures_management(input_feature_class, output_feature_class)
```
这样,当输入要素类不存在时,程序将会输出错误信息并停止执行,避免了未处理的异常情况。
相关问题
import arcpy # 定义输入和输出参数 input_fc = arcpy.GetParameterAsText(0) # 输入要素类 output_fc = arcpy.GetParameterAsText(1) # 输出要素类 field_name = arcpy.GetParameterAsText(2) # 筛选字段名称 filter_expression = arcpy.GetParameterAsText(3) # 筛选表达式 # 使用MakeFeatureLayer工具创建要素图层 arcpy.MakeFeatureLayer_management(input_fc, "input_lyr") # 使用SelectLayerByAttribute工具选择要删除的要素 arcpy.SelectLayerByAttribute_management("input_lyr", "NEW_SELECTION", "{} = '{}'".format(field_name, filter_expression)) # 使用DeleteFeatures工具删除选定的要素 arcpy.DeleteFeatures_management("input_lyr") # 使用CopyFeatures工具将剩余的要素复制到输出要素类 arcpy.CopyFeatures_management("input_lyr", output_fc)运行错误:Traceback (most recent call last): File "D:\多对一空间连接\批量删除小面积.py", line 6, in <module> NameError: name 'input_fc' is not defined 执行(删除小面)失败。请改正代码
代码中的问题是变量没有被正确定义。请检查输入参数是否正确连接,并且确保输入参数的名称与代码中的变量名称相同。另外,您还需要保证输入参数的数据类型与代码中要求的数据类型相同。例如,如果某个参数要求输入要素类,则必须将要素类作为该参数的输入。
另外,建议您在代码开头添加注释来说明每个参数的含义和数据类型。这样可以使代码更易于理解和维护。以下是一个示例代码:
```
# -*- coding: utf-8 -*-
# Description: This script deletes features based on filter expression and exports the remaining features to output feature class
# Parameters:
# 0 - Input Feature Class (Feature Class)
# 1 - Output Feature Class (Feature Class)
# 2 - Filter Field Name (Field)
# 3 - Filter Expression (String)
import arcpy
# Get input parameters
input_fc = arcpy.GetParameterAsText(0) # Input feature class
output_fc = arcpy.GetParameterAsText(1) # Output feature class
field_name = arcpy.GetParameterAsText(2) # Filter field name
filter_expression = arcpy.GetParameterAsText(3) # Filter expression
# Make feature layer from input feature class
arcpy.MakeFeatureLayer_management(input_fc, "input_lyr")
# Select features based on filter expression
arcpy.SelectLayerByAttribute_management("input_lyr", "NEW_SELECTION", "{} = '{}'".format(field_name, filter_expression))
# Delete selected features
arcpy.DeleteFeatures_management("input_lyr")
# Copy remaining features to output feature class
arcpy.CopyFeatures_management("input_lyr", output_fc)
```
import arcpy # 设置工具箱参数 input_features = arcpy.GetParameterAsText(0) # 输入要素图层 join_features = arcpy.GetParameterAsText(1) # 连接要素图层 output_features = arcpy.GetParameterAsText(2) # 输出要素图层 join_fields = arcpy.GetParameterAsText(3).split(';') # 连接要素图层中需要赋值的字段,用“;”隔开 area_threshold = arcpy.GetParameterAsText(4) # 面积阈值,只有面积大于该值的要素才会被连接 # 创建空间连接对象 spatial_join = arcpy.SpatialJoin_analysis(target_features=input_features, join_features=join_features, out_feature_class=output_features, join_operation="JOIN_ONE_TO_MANY", join_type="KEEP_ALL", match_option="INTERSECT") # 根据面积阈值进行筛选 if len(area_threshold) > 0: arcpy.SelectLayerByAttribute_management(in_layer_or_view=spatial_join, where_clause="Shape_Area >= {}".format(area_threshold)) # 设置字段映射 field_mapping = arcpy.FieldMappings() for field in join_fields: field_map = arcpy.FieldMap() field_map.addInputField(spatial_join, field) output_field = field_map.outputField output_field.name = "{}_{}".format(join_features, field) field_map.outputField = output_field field_mapping.addFieldMap(field_map) # 对要素进行赋值 arcpy.FeatureClassToFeatureClass_conversion(spatial_join, output_features, "", field_mapping)运行错误:IndentationError: unexpected indent (空间连接.py, line 17) 执行(空间连接多对一)失败。请改正代码
根据错误提示,第17行出现了意外的缩进。请检查该行以及前面的几行代码是否存在多余的空格或制表符。正确的代码应该是:
```python
# 创建空间连接对象
spatial_join = arcpy.SpatialJoin_analysis(target_features=input_features,
join_features=join_features,
out_feature_class=output_features,
join_operation="JOIN_ONE_TO_MANY",
join_type="KEEP_ALL",
match_option="INTERSECT")
# 根据面积阈值进行筛选
if len(area_threshold) > 0:
arcpy.SelectLayerByAttribute_management(in_layer_or_view=spatial_join,
where_clause="Shape_Area >= {}".format(area_threshold))
# 设置字段映射
field_mapping = arcpy.FieldMappings()
for field in join_fields:
field_map = arcpy.FieldMap()
field_map.addInputField(spatial_join, field)
output_field = field_map.outputField
output_field.name = "{}_{}".format(join_features, field)
field_map.outputField = output_field
field_mapping.addFieldMap(field_map)
# 对要素进行赋值
arcpy.FeatureClassToFeatureClass_conversion(spatial_join,
output_features,
"",
field_mapping)
```
阅读全文