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<BODY><BR> hi,all<BR><BR>I have a problem when I use the gdal to open
the modis Hdf4 file.<BR>when I get the latitude and the Longitude, I do not know
how to read it.<BR><BR>is it use GetMetadata( "SUBDATASETS" )?<BR>but the
SUBDATASETS, don't include the geolocation information.<BR><BR>in the hdf4 file,
ther is a geolocation fields, data fields and swatch attributes.<BR>when I
read the data in the data fields, I use GetMetadata( "SUBDATASETS"
).<BR>but I do not know how to read the data in the geolocation
fields.<BR><BR>can anyone help me?<BR><BR>best
regards.<BR><BR><BR><BR><BR><BR> Kevin Lin <BR> Bjlin.sw@gmail.com
<BR> 2010-03-02 <BR></BODY></HTML>