Rubbersheet Features (Editing)

Summary

Modifies input features by spatially adjusting them through rubbersheeting, using the specified rubbersheet links, so they are better aligned with the intended target features.

Illustration

Usage

Caution:

This tool modifies the input data. See Tools that modify or update the input data for more information and strategies to avoid undesired data changes.

• This tool is intended to be used after the Generate Rubbersheet Links tool. Rubbersheeting makes spatial adjustments to align the input feature locations with more accurate target feature locations based on the specified rubbersheet links. The input link features represent the regular links; the input point features represent identity links that hold source positions unmoved during the rubbersheeting process. Both input link features and identity link features must have SRC_FID and TGT_FID fields.

Note:

All inputs must be in the same coordinate system.

• The Method parameter determines the interpolation method used to create the temporary TINs in rubbersheeting.

  • Linear—This method creates a quick TIN surface but does not really take into account the neighborhood. It is slightly faster and produces good results when you have many rubbersheet links spread uniformly over the data you are adjusting.
  • Natural neighbor—This method is slower but is more accurate when you don't have many rubbersheet links and they are scattered across the dataset. Using the linear method in this case will be less accurate.

Parameters

Dialog

Label	Explanation	Data Type
Input Features	The input features that will be adjusted. They can be points, lines, polygons, or annotations.	Feature Layer
Input Link Features	The input line features representing regular links for rubbersheeting.	Feature Layer
Input Point Features As Identity Links (Optional)	The input point features representing identity links for rubbersheeting.	Feature Layer
Method (Optional)	Specifies the rubbersheeting method that will be used to adjust features. Linear—This method is slightly faster and produces good results when you have many links spread uniformly over the data you are adjusting. This is the default. Natural neighbor—This method should be used when you have few links spaced widely apart.	String

Derived Output

Label	Explanation	Data Type
Modified Input Features	The updated input features.	Feature Layer

Python

arcpy.edit.RubbersheetFeatures(in_features, in_link_features, {in_identity_links}, {method})

Name	Explanation	Data Type
in_features	The input features that will be adjusted. They can be points, lines, polygons, or annotations.	Feature Layer
in_link_features	The input line features representing regular links for rubbersheeting.	Feature Layer
in_identity_links (Optional)	The input point features representing identity links for rubbersheeting.	Feature Layer
method (Optional)	Specifies the rubbersheeting method that will be used to adjust features. LINEAR—This method is slightly faster and produces good results when you have many links spread uniformly over the data you are adjusting. This is the default. NATURAL_NEIGHBOR—This method should be used when you have few links spaced widely apart.	String

Derived Output

Name	Explanation	Data Type
out_feature_class	The updated input features.	Feature Layer

Code sample

RubbersheetFeatures example 1 (Python window)

The following Python window script demonstrates how to use the RubbersheetFeatures function in immediate mode.

import arcpy
arcpy.env.workspace = "C:/data"
arcpy.edit.RubbersheetFeatures("source_Roads.shp","rubbersheet_Links.shp",
                               "rubbersheet_Links_pnt.shp", "LINEAR")

RubbersheetFeatures example 2 (stand-alone script)

The following stand-alone script is an example of how to apply the RubbersheetFeatures function in a scripting environment.

"""Name:        RubbersheetFeatures_example_script2.py
Description: Performs rubbersheeting spatial adjustment using links produced by
             GenerateRubbersheetLinks, assuming newly updated roads are more
             accurate than existing base roads. The links go from base road data
             to corresponding newly updated road data. The links are then
             analyzed for potential errors. They are then used to adjust the
             base roads (a copy is made) to better align with the updated roads.
"""

# Import system modules
import arcpy

# Set environment settings
arcpy.env.overwriteOutput = True
arcpy.env.workspace = r"D:\conflationTools\ScriptExamples\data.gdb"

# Set local variables
sourceFeatures = "baseRoads"
targetFeatures = "updateRoads"
grlOutput = "grlinks_out"
grlOutputPts = "grlinks_out_pnt"

search_distance = "300 Feet"
match_fields = "FULLNAME RD_NAME"

qaLocations = "qa_locations"

# Generate rubbersheet links
arcpy.edit.GenerateRubbersheetLinks(sourceFeatures, targetFeatures, grlOutput, search_distance, match_fields)

"""
Note 1:  The result of GenerateRubbersheetLinks may contain errors; see the tool reference.
         Inspection and editing may be necessary to ensure correct links before using
         them for rubbersheeting.

         One of the common errors is intersecting or touching links. Their locations 
         can be found by the process below.
"""

# Find locations where links intersect or touch. The result contains coincident points.
arcpy.analysis.Intersect(grlOutput, qaLocations, "", "", "POINT")

# Delete coincident points
arcpy.management.DeleteIdentical(qaLocations, "Shape")

"""
Note 2:  You can manually inspect locations in qaLocations and delete or
         modify links as needed.
"""

# Make a copy of the sourceFeatures for rubbersheeting
arcpy.management.CopyFeatures(sourceFeatures, "sourceFeatures_Copy")

# Use the links for rubbersheeting
arcpy.edit.RubbersheetFeatures("sourceFeatures_Copy", grlOutput, grlOutputPts, "LINEAR")

Environments

Current Workspace, Extent

Licensing information

• Basic: No
• Standard: No
• Advanced: Yes