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Harris Geospatial / Docs Center / IDL Reference / I/O - HDF / HDF_GR_SETCHUNKCACHE

HDF_GR_SETCHUNKCACHE

HDF_GR_SETCHUNKCACHE

This function allows the user to set the maximum number of chunks to be cached (maxcache). If HDF_GR_SETCHUNKCACHE is not called, maxcache is set to the number of chunks along the fastest changing dimension.

Syntax


Result = HDF_GR_SETCHUNKCACHE(ri_id, maxcache, flags)

Return Value


Returns the value of maxcache if successful or FAIL (-1) otherwise.

Arguments


ri_id

Raster image identifier returned by HDF_GR_CREATE or HDF_GR_SELECT.

maxcache

Maximum number of chunks to cache.

flags

Currently, the only HDF allowed value for flags is zero (cache all).

Keywords


None

Version History


5.2

Introduced



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