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

Examples

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

status = EOS_GD_COMPINFO(gridID, "Opacity", compcode, compparm)

Syntax

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Result = EOS_GD_COMPINFO(gridID, fieldname, compcode, compparm)

Return Value

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

Arguments

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gridID

Grid id (long) returned by EOS_GD_CREATE or EOS_GD_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 array).

Keywords

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None

Version History

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5.2	Introduced

See Also

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EOS_GD_DEFCOMP