ENVIView::Chip

The Chip method creates a new ENVIRaster from the contents of a view.

Example

; Launch the application

e = ENVI()

; Create an ENVIRaster

file = FILEPATH('qb_boulder_pan', ROOT_DIR=e.ROOT_DIR, $

  SUBDIRECTORY = ['data'])

raster = e.OpenRaster(file)

; Display the raster

view = e.GetView()

layer = view.CreateLayer(raster)

; Chip the view to a raster object

chipRaster = view.Chip()

; Add raster to Data Manager

e.Data.Add, chipRaster

; Display the chip in a new view

view2 = e.CreateView()

layer2 = view2.CreateLayer(chipRaster)

Syntax

Result = ENVIView.Chip ([, ERROR=value])

Arguments

None

Keywords

ERROR

Set this keyword to a named variable that will contain any error message issued during execution of this routine. If no error occurs, the ERROR variable will be set to a null string (''). If an error occurs and the routine is a function, then the function result will be undefined.

When this keyword is not set and an error occurs, ENVI returns to the caller and execution halts. In this case, the error message is contained within !ERROR_STATE and can be caught using IDL's CATCH routine. See IDL Help for more information on !ERROR_STATE and CATCH.

See Manage Errors for more information on error handling in ENVI programming.

Version History

ENVI 5.3

Introduced

API Version

4.2