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specifying argument using a variable [message #69538]

Fri, 22 January 2010 08:04

Bruce Bowler
Messages: 128
Registered: September 1998

Senior Member

(OK, I know that's not the clearest subject line)...

hdf_vd_get, vdataID, interlace=interlace

(where interlace is either 'FULL_INTERLACE' or 'NO_INTERLACE')

result = hdf_vd_read(vdataID, vdata, ...)

where ... can be /FULL_INTERLACE or /NO_INTERLACE

What's the "idl way" to use the output from the hdf_vd_get as the input
to hdf_vd_read?

Clearly one could do (pigeon-idl)

if interlace = FULL_INTERLACE then
result=hdf_vd_read(vdataID,vdata,/FULL_INTERLACE)
else
result=hdf_vd_read(vdataID,vdata,/NO_INTERLACE)
endif

But that just feels wrong... There must be a better way.

Bruce

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