Reference

vssetexternalfile(3hdf)

int32 VSsetexternalfile(int 32 id, char *filename, int32 offset)

id
IN: vdata ID

filename
IN: name of external file

offset
IN: offset in external file

Purpose

store Vdata info in a separate file

Return value

Return SUCCEED if no error, else FAIL.

Description

Specify that the actual data for this Vdata be stored in a separate file (an "external file" in HDF terms).

Only the data (as in VSwrite()) will be stored externally. Attributes and such will still be in the main file.

IMPORTANT: It is the user's responsibility to see that the separate files are transported with the main file.

FORTRAN

integer function vsfsextf(id, filename, offset)
integer*4 id, offset
character*(*) filename