ENVIAgConvertZonesToShapefileTask

This task converts an ENVIAgZones object to a shapefile.

This task is part of ENVI Crop Science, which requires a separate license and installation.

Example

; Start the application

e = ENVI()

; Open a DEM file

File = Filepath('FieldDEM.dat', $

  Subdir=['data','crop_science'], $

  Root_Dir=e.Root_Dir)

Raster = e.OpenRaster(File)

; Create management zones

Task = ENVITask('AgCreateZones')

Task.INPUT_RASTER = Raster

Task.MINIMUM_AREA = 2023

Task.NUMBER_OF_APPLICATION_CATEGORIES = 4

Task.Execute

; Convert the zones object to a shapefile

shapefileTask = ENVITask('AgConvertZonesToShapefile')

shapefileTask.INPUT_ZONES = Task.OUTPUT_ZONES

shapefileTask.Execute

Syntax

Result = ENVITask('AgConvertZonesToShapefile')

Input properties (Set, Get): INPUT_ZONES, OUTPUT_VECTOR_URI

Output properties (Get only): OUTPUT_VECTOR

Properties marked as "Init" are applied only during the initial creation of the object. Properties marked as "Set" are those that you can set to specific values after the object has been created. You can also retrieve their current values any time. Properties marked as "Get" are those whose values you can retrieve but not set.

Methods

This task inherits the following methods from ENVITask. See the ENVITask topic in ENVI Help.

AddParameter
Execute
Parameter
ParameterNames
RemoveParameters

Properties

This task inherits the following properties from ENVITask:

COMMUTE_ON_DOWNSAMPLE

COMMUTE_ON_SUBSET

DESCRIPTION

DISPLAY_NAME

NAME

REVISION

See the ENVITask topic in ENVI Help for details.

This task also contains the following properties:

INPUT_ZONES (required)

Specify an input ENVIAgZones object.

OUTPUT_VECTOR

This is a reference to the output ENVIVector object in shapefile format.

OUTPUT_VECTOR_URI (optional)

Specify a string with the fully qualified path and filename for OUTPUT_VECTOR.

Version History

1.1	Introduced