An example of dim_gbits usage:
http://www.ncl.ucar.edu/Applications/HDF.shtml
hdf4eos_5.ncl:
On 8/14/13 12:26 AM, Marston Johnston wrote:
> Hi Xin,
>
> There is a function called dim_gbits() that can do as you require.
>
> http://www.ncl.ucar.edu/Document/Functions/Built-in/dim_gbits.shtml
>
> /M
>
>
> On Wed, Aug 14, 2013 at 8:10 AM, Xin Xi <xxi@gatech.edu> wrote:
>
>> 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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>
>
>
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Received on Wed Aug 14 06:13:26 2013
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