A layer is added to the map or scene. The layer name is the name of the original layer, appended by the wordselection. Tip: You can also make a selection layer from theContentspane. Right-click the layer, clickSelection, and clickMake Layer From Selected Features. ...
SelectLayerByLocation 示例 1(Python 窗口) 以下Python 窗口脚本演示了如何在即时模式下使用 SelectLayerByLocation 函数。 import arcpy # First, make a layer from the feature class arcpy.MakeFeatureLayer_management("c:/kamsack.gdb/parcel", "parcel_lyr") # Then add a selection to the layer based on...
MakeFeatureLayer_management("C:/data/mexico.gdb/cities","cities_lyr") # Select all cities that overlap the chihuahua polygon arcpy.SelectLayerByLocation_management("cities_lyr", "INTERSECT", "c:/data/mexico.gdb/chihuahua", "", "NEW_SELECTION"...
使用SelectLayerByAttribute和SelectLayerByLocation将要素子集转换为 JSON。 # Import system modulesimportarcpy# Set the workspacearcpy.env.workspace ="c:/data/mexico.gdb"# Make a layer from the feature classarcpy.MakeFeatureLayer_management("cities","cities_lyr")# Select all cities that overlap the ...
arcpy.MakeFeatureLayer_management(outputpath, "parcels_lyr")#根据输入要素类或图层创建临时图层,如果不将此图层保持到磁盘或地图文档,该图层在会话结束后将不会继续存在。 arcpy.SelectLayerByAttribute_management("parcels_lyr", "NEW_SELECTION", '"field" < 4')#按属性表选择图层 ...
new WMSLayer(properties) Parameter properties Object optional See the properties for a list of all the properties that may be passed into the constructor. Example // Typical usage const layer = new WMSLayer({ url: // url to the service }); await layer.load(); // filter by a given...
... flayer=arcpy.MakeFeatureLayer_management("Burglary","Bu614") ... arcpy.SelectLayerByAttribute_management(flayer,"NEW_SELECTION",qry) ... cnt=arcpy.GetCount_management(flayer) ... print "The number of selected records is:"+str(cnt) ...
Fields within the layer appear in the Fields list next to the form canvas. You can add fields to the form in one or more of the following ways: Add fields one by one—To add a single field to the form, double-click it or drag it onto the form canvas. Add a selection of fields ...
Make a map From the block palette, chooseMap, and you'll quickly see this: Let's ignore thatNew express mapbutton (upper right) for now. The web map browser serves up cards representing all the maps you've saved to your ArcGIS Online account. You can opt, via the tabs just below th...
For example, to make a Map widget automatically zoom to a feature when the user selects it with the List widget, you can add the Record selection changes trigger, select a Map widget as the target, and add the Zoom to action. Turn on data actions to add buttons to the List widget's...