matlab.io.hdf4.sd.findAttr

Package: matlab.io.hdf4.sd

Index of specified attribute

Syntax

idx = findAttr(objID,attrname)


Description

idx = findAttr(objID,attrname) returns the index of the attribute specified by attrname. The objID input can be either an SD interface identifier, a data set identifier, or a dimension identifier.

The function corresponds to the SDfindattr function in the HDF library C API.

Examples

import matlab.io.hdf4.*
sdID = sd.start('sd.hdf');
idx = sd.findAttr(sdID,'creation_date');
data = sd.readAttr(sdID,idx);
sd.close(sdID);