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  >  Docs Center  >  IDL Reference  >  I/O - EOS  >  EOS_SW_COMPINFO

EOS_SW_COMPINFO

EOS_SW_COMPINFO

This function returns the compression code and compression parameters for a given field.

Examples


To retrieve the compression information about the Opacity field defined in the EOS_SW_DEFCOMP section:

status = EOS_SW_COMPINFO(swathID, "Opacity", compcode, compparm)

Syntax


Result = EOS_SW_COMPINFO(swathID, fieldname, compcode, compparm)

Return Value


Returns SUCCEED(0) if successful and FAIL(–1) otherwise.

Arguments


swathID

Swath id (long) returned by EOS_SW_CREATE or EOS_SW_ATTACH.

fieldname

Fieldname (string).

compcode

A named variable that will contain the HDF compression code (long).

compparm

A named variable that will contain the compression parameters (long).

Keywords


None

Version History


5.2

Introduced



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