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ENVIUI::SelectStandardRasterSpatialRef

ENVIUI::SelectStandardRasterSpatialRef

The SelectStandardRasterSpatialRef function method displays a dialog for the user to select parameters to create a new ENVIStandardRasterSpatialRef object.

Example


; Launch the application
e = ENVI()
 
; Select a standard spatial reference
standardSpatialRef = e.UI.SelectStandardRasterSpatialRef()
PRINT, standardSpatialRef

Syntax


Result = ENVIUI.SelectStandardRasterSpatialRef([, ERROR=variable])

Return Value


This method returns an ENVIStandardRasterSpatialRef object defined by the parameters entered in the dialog. If users close the dialog before making a selection, or if they click the Cancel button, !NULL is returned.

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 5.2, Service Pack 1

Introduced

API Version


3.3

See Also


ENVIUI, ENVIStandardRasterSpatialRef, Map Information



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