arcpy.management.ChangeVersion(in_features, version_type, {version_name}, {date}, {include_participating})
|
名称
|
说明
|
数据类型
|
|
in_features
|
将连接到指定版本的图层或表视图。
注:
拓扑图层、宗地图层、公共设施网络图层或追踪网络图层的子图层不是有效输入。
|
Feature Layer; Table View; Topology Layer; Parcel Layer; Utility Network Layer; Trace Network Layer
|
|
version_type
|
指定输入要素图层将连接到的版本的类型。
|
String
|
|
version_name
(可选)
|
输入要素图层将连接到的版本的名称。 使用历史版本时此参数是可选的。
|
String
|
|
date
(可选)
|
输入要素图层将连接到的历史版本的日期。
|
Date
|
|
include_participating
(可选)
|
指定参与类的工作空间是否也会更改。
仅当输入图层是拓扑图层、宗地图层、公共设施网络图层或追踪网络图层时,此参数才适用。
|
Boolean
|
派生输出
|
名称
|
说明
|
数据类型
|
|
out_feature_layer
|
已更新的输入数据集。
|
Feature Layer
|
代码示例
ChangeVersion 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 ChangeVersion 函数。
import arcpy
arcpy.env.workspace = r'c:\Connections\toolbox.sde'
arcpy.management.MakeFeatureLayer(r'TOOLBOX.Redlands\TOOLBOX.street','RedlandsStreets')
arcpy.management.MakeFeatureLayer(r'TOOLBOX.Redlands\TOOLBOX.streams','RedlandsStreams')
arcpy.management.MakeFeatureLayer(arcpy.management.SelectLayerByLocation("RedlandsStreams","WITHIN_A_DISTANCE","RedlandsStreets","100 Meters","NEW_SELECTION",'#'),
'StreamsNearStreets','','','')
arcpy.management.ChangeVersion('RedlandsStreets','TRANSACTIONAL', 'TOOLBOX.proposedStreets2k9','')
arcpy.management.MakeFeatureLayer(arcpy.management.SelectLayerByLocation("RedlandsStreams","WITHIN_A_DISTANCE","RedlandsStreets","100 Meters","NEW_SELECTION",'#'),
'NewStreamsNearStreets','','','')
在典型的版本化分析工作流中使用 ChangeVersion 函数。
# Name: ChangeVersion.py
# Description: Use the ChangeVersion tool in a typical versioned analysis workflow.
# Quick check of additional streams within a pre-determined distance
# of new proposed street development.
# Import system modules
import arcpy
import sys
import os
# Set environments
arcpy.env.workspace = sys.path[0] + os.sep + "toolbox.sde"
# Create the layers
arcpy.management.MakeFeatureLayer(r'TOOLBOX.Redlands\TOOLBOX.street','RedlandsStreets')
arcpy.management.MakeFeatureLayer(r'TOOLBOX.Redlands\TOOLBOX.streams','RedlandsStreams')
# Perform analysis on the Default version to determine
# current number of streams within 100 meters of streets.
selection1 = arcpy.management.SelectLayerByLocation("RedlandsStreams",
"WITHIN_A_DISTANCE",
"RedlandsStreets",
"100 Meters",
"NEW_SELECTION",
'#')
arcpy.management.MakeFeatureLayer(selection1,'StreamsNearStreets','','','')
print("Streams within 100 Meters of current streets: {}".format(
arcpy.management.GetCount("StreamsNearStreets")[0]))
# Change to the development version
arcpy.management.ChangeVersion('RedlandsStreets',
'TRANSACTIONAL',
'TOOLBOX.proposedStreets2k9',
'')
# Perform the same analysis on the development version to see the effect of the proposed changes.
selection2 = arcpy.management.SelectLayerByLocatio("RedlandsStreams",
"WITHIN_A_DISTANCE",
"RedlandsStreets",
"100 Meters",
"NEW_SELECTION",
'#')
arcpy.management.MakeFeatureLayer(selection2,'NewStreamsNearStreets','','','')
print("Streams projected to be within 100 Meters of streets after proposed street additions: {}".format(
arcpy.management.GetCount("NewStreamsNearStreets")[0]))
使用 ChangeVersion 函数将要素服务图层更改为指定分支版本。
# Name: ChangeVersionBranchVersioning.py
# Description: Use the ChangeVersion tool to change the branch version of a feature service
# layer that has the version management capability enabled.
# Import system modules
import arcpy
# Sign into ArcGIS Enterprise
arcpy.SignInToPortal("https://myserver.mydomain.com/portal", 'portaladmin', 'my.password')
# Create a variable for the feature service URL
myFS = "https://myserver.mydomain.com/server/rest/services/BranchVersioningData/FeatureServer/0"
# Create the layers
arcpy.management.MakeFeatureLayer(myFS, 'myFSLayer')
# Change to a branch version named myVersion
arcpy.management.ChangeVersion('myFSLayer', "BRANCH", "portaladmin.myVersion")