import arcpy # 设置工作空间 arcpy.env.workspace = "C:/path/to/your/gdb.gdb" # 创建要素图层 flayer = arcpy.MakeFeatureLayer_management("your_feature_class", "your_feature_layer") # 定义属性查询 query = '"your_field" = \'your_value\'' # 执行属性选择 arcpy.SelectLayerByAttribute_managemen...
print("as a query : FID in ({})".format(",".join(map(str, oids))) The resulting where_clause which we can use with a number of GP tools such asSelect Layer By Attribute The New Python Window in ArcGIS Pro Posted onDecember 1, 2014byArcGIS Python Recipes ArcGIS...
supports(layer_property) updateLayerFromJSON(json_layer_definition) Properties brightness—Read/Write; Long contrast—Read/Write; Long credits—Read/Write; String datasetName—Read-only; String dataSource—Read-only; String definitionQuery—Read/Write; String description—Read/Write; String isBasemapLayer...
[3] # Make a layer from the feature class arcpy.MakeFeatureLayer_management(input_path, "lyr") # Within selected features, further select only those cities which have a population > 10,000 arcpy.SelectLayerByAttribute_management("lyr", "NEW_SELECTION", sql) # Generate file names input_name...
[939] Generate a new shapefile based on a list of records and query polygons from a large shapefile 摘要:ref: arcpy.management.MakeFeatureLayer(in_features, out_layer, {where_clause}, {workspace}, {field_info}) ref: arcpy.management.SelectLayerByAttribute阅读全文 ...
The syntax can be corrected by updating the layer's LabelClass SQLQuery or expression properties. Saved selections within a map document are cleared when a layer's data source is updated (this is also the case when using Set Data Source via the Layer Properties dialog box within ArcMap). ...
[939] Generate a new shapefile based on a list of records and query polygons from a large shapefile 摘要:ref: arcpy.management.MakeFeatureLayer(in_features, out_layer, {where_clause}, {workspace}, {field_info}) ref: arcpy.management.SelectLayerByAttribute阅读全文 ...
Not sure if it likes r'C:\Temp\test.gdb' as a layer name in MakeFeatureLayer. Also, lot of issues trying to re-use the layer name in arcpy, doesn't seem to let you just delete them and reuse in a loop. You might try something similar to below and append _lyr to...
It was "last published" right around the time of the first release of the ArcGIS API for Python, which likely explains why it is not using that API and instead having people make HTTP calls themselves. Here are some basic steps to download a feature service layer as a feature clas...
删除行时,需要通过NextRow将游标移动到指定列。一种通过ITable的Delete(IQueryFilter)方法,删除符合条件的对象,返回删除的记录个数。该方法会把该要素所有相关的时态都删除。如果该记录添加了附件,附件不会一起被删掉,需要调用附件相关接口手动删除。 二、实现代......