Vector data set field

Set a field in vector data.

Detailed description

Set a specified field to a specified value on all features of a vector data.

Parameters

This section describes in details the parameters available for this application. Table [1] presents a summary of these parameters and the parameters keys to be used in command-line and programming languages. Application key is VectorDataSetField .

[1]	Table: Parameters table for Vector data set field.

Parameter Key	Parameter Type	Parameter Description
in	Input vector data	Input vector data
out	Output vector data	Output vector data
fn	String	String
fv	String	String
inxml	XML input parameters file	XML input parameters file
outxml	XML output parameters file	XML output parameters file

• Input: Input Vector Data.
• Output: Output Vector Data.
• Field: Field name.
• Value: Field value.
• Load otb application from xml file: Load otb application from xml file.
• Save otb application to xml file: Save otb application to xml file.

Example

To run this example in command-line, use the following:

otbcli_VectorDataSetField -in qb_RoadExtract_classification.shp -out VectorDataSetField.shp -fn Info -fv Sample polygon

To run this example from Python, use the following code snippet:

#!/usr/bin/python

# Import the otb applications package
import otbApplication

# The following line creates an instance of the VectorDataSetField application
VectorDataSetField = otbApplication.Registry.CreateApplication("VectorDataSetField")

# The following lines set all the application parameters:
VectorDataSetField.SetParameterString("in", "qb_RoadExtract_classification.shp")

VectorDataSetField.SetParameterString("out", "VectorDataSetField.shp")

VectorDataSetField.SetParameterString("fn", "Info")

VectorDataSetField.SetParameterString("fv", "Sample polygon")

# The following line execute the application
VectorDataSetField.ExecuteAndWriteOutput()

Limitations

Doesn’t work with KML files yet

Authors

This application has been written by OTB-Team.