read byte values from HDF file QA flag

From: Xin Xi <xxi_at_nyahnyahspammersnyahnyah>
Date: Wed Aug 14 2013 - 00:10:13 MDT

Hi,
The quality assurance (QA) flag in a MODIS HDF file is in 8-bit unsigned
integer type (valid range 0-254). I want to read bit position 2 and 3,
which give me a value between 0 and 3. How can I do it? I tried to use
logical operator but it returns true or false values.
Thanks,
Xin

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Received on Wed Aug 14 00:10:25 2013

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