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SDsetblocksize

intn SDsetblocksize(int32 sd_id, int32 block_size)
sd_id

IN:

SD interface identifier returned from SDstart

block_size

IN:

Size of the block in bytes

Purpose

Sets the block size used for storing data datasets with unlimited dimensions.

Return value

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

Description

SDsetblocksize is used when creating new datasets only - it has no affect on pre-existing datasets. The block_size parameter should be set to a multiple of the "slice" size.



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HDF User's Reference Manual, Draft 06/09/97, NCSA HDF Development Group.