[ncl-talk] CALIPSO L2 vdata

[Wei Huang]

Using command:
hdp dumpvd CAL_LID_L2_05kmAPro-Prov-V3-02.2013-01-31T23-42-01ZN_Subset.hdf
> vdata

You'll get the vdata.
Attached is what I got by using this command.

Then check vdata 0. There you will get your LIDAR altitude.

Wei


================================================
1850 Table Mesa Dr.
Boulder, CO 80307
Phone: 303-497-8924

On Wed, Dec 3, 2014 at 3:26 PM, Sunmin Park <mireiyue at gmail.com> wrote:

> Dear NCL users
>
> I have CALIPSO L2 data set and used hdp dumpvd to obtain data. I followed
> the example at NCL website (
> http://www.ncl.ucar.edu/Applications/calipso.shtml).
>
> hdp dumpvd CAL_LID_L2_05kmAPro-Prov-V3-02.2013-01-31T23-42-01ZN_Subset.hdf
> > vdata
>
> But still I cannot get the lidar_altitude.txt file in the example 3 at
> http://www.ncl.ucar.edu/Applications/calipso.shtml. Should I modify it
> myself in vdata?
>
> How I can get the altitude from CALIPSO L2 file (Attached files: CALIPSO
> L2 and vdata)?
>
> ANY helps and comments will be appreciated.
>
> Thank you in advance
> Sun-
>
>
>
>
> On Nov 25, 2014, at 10:45 AM, Wei Huang <huangwei at ucar.edu> wrote:
>
> Sun,
>
> I have checked the file (which you put on our ftp site).
> There are nothing related to "liar altitude".
>
> You may try NCL script:
>  flnm = "CAL_LID_L2_05kmAPro-Prov-V3-02.2012-03-22T10-02-21ZD.hdf"
>  f = addfile(flnm, "r")
>
>  print(f)
>
> or: ncl_filedump filename
> to see all the variables.
>
> I have also checked with HDFView, which do not have such variable neither.
>
> If you can tell us more about what you want to do with this dataset,
> We'd like to help you.
>
>
> Wei
>
>
> ================================================
> 1850 Table Mesa Dr.
> Boulder, CO 80307
> Phone: 303-497-8924
>
> On Mon, Nov 24, 2014 at 12:29 PM, Sunmin Park <mireiyue at gmail.com> wrote:
>
>> Hi, Wei
>>
>> I thought I figured it out however it is not working. I created text file
>> for liar_altitude.txt using vi (got data from
>> https://www.ncl.ucar.edu/Applications/calipso.shtml, calipso_3,ncl).
>>
>> Should I use “hdp dumpvd
>> CALI_LID_L2_05kmAPro-Prov-V3-01.2009-07-10T14-32-05ZD.hdf_Sunset.hdf>vdata”
>> to get the liar altitude? As I said in the previous email I tried but it
>> doesn’t find the commend “hep”.
>>
>> Could you please help me to get data from CALIPSO L2?
>>
>> Thank you
>> Sun-
>>
>> On Nov 24, 2014, at 9:24 AM, Wei Huang <huangwei at ucar.edu> wrote:
>>
>> Sun-.
>>
>> NCL can handle most of HDF files.
>> Try ncl_filedump your-filename.
>>
>> Wei
>>
>> ================================================
>> 1850 Table Mesa Dr.
>> Boulder, CO 80307
>> Phone: 303-497-8924
>>
>> On Mon, Nov 24, 2014 at 10:16 AM, Sunmin Park <mireiyue at gmail.com> wrote:
>>
>>> Dear NCL users,
>>>
>>> I am trying to read CALIPSO L2 profile data. According to the
>>> Application examples, NCL doesn’t not read HDF data therefore, we need to
>>> use hep dumped to get the liar altitude. However, when I tried and got
>>> "hdp: Command not found.” (I installed HDF5 because it didn’t work before
>>> so I looked for hdf which I didn’t have).
>>>
>>> Could you please help me how I can get data from CALIPSO?
>>> I appreciate any comments and helps.
>>>
>>> Best,
>>> Sun-
>>> _______________________________________________
>>> ncl-talk mailing list
>>> List instructions, subscriber options, unsubscribe:
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>>>
>>
>>
>>
>
>
>
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