[ncl-talk] ADO + removing title on map plot
zoe jacobs
zoejacobs1990 at gmail.com
Sat Sep 14 10:48:36 MDT 2019
Dear Adam,
I have tried example 7, but did not get any reasonable result. I tried
example 9 (check the attached script) , from the same page that you have
suggested. I got some errors(attached). How can I sort out these
errors, please?
Best wishes,
On Mon, Sep 9, 2019 at 9:58 PM Adam Phillips <asphilli at ucar.edu> wrote:
> Hi Zoe,
> Whenever you need to find out how to do something graphically in NCL, a
> good place to start is the NCL examples page here:
> http://www.ncl.ucar.edu/Applications/
>
> There are a lot of categories, and it can be hard to find exactly what
> you're looking for, but in this case if you click on "Tickmarks: Map", look
> at example #7 as it shows you how to turn on the tickmarks on the top and
> right hand side of the map:
> http://www.ncl.ucar.edu/Applications/mptick.shtml#ex7
>
> Adam
>
>
>
>
> On Mon, Sep 9, 2019 at 11:21 AM zoe jacobs via ncl-talk <ncl-talk at ucar.edu>
> wrote:
>
>> Hi Dennis,
>> Thanks for your help. I also need to know how to plot a map to have
>> lat/lon on each axes parallel to each other, like the attached one.
>> Regards,
>>
>> On Mon, Sep 9, 2019 at 8:42 PM Dennis Shea <shea at ucar.edu> wrote:
>>
>>> Zoe:
>>>
>>> Attached is a simple script that reads/plot the hdf5 [HDF-EOS] file
>>> ---
>>> If you are 'new' to NCL, please look at the excellent DKRZ manual:
>>>
>>> *https://www.ncl.ucar.edu/Document/Manuals/NCL_User_Guide/NCL_User_Guide_v1.1_A4.pdf*
>>> <https://www.ncl.ucar.edu/Document/Manuals/NCL_User_Guide/NCL_User_Guide_v1.1_A4.pdf>
>>>
>>> There is no 'magic': all languages [computer and spoken] require the
>>> user to spend time to learn.
>>> ---
>>>
>>> On Mon, Sep 9, 2019 at 7:56 AM Toni Klemm via ncl-talk <
>>> ncl-talk at ucar.edu> wrote:
>>>
>>>> Hi Zoe,
>>>>
>>>> Could you send your new script with the changes I suggested. Although
>>>> I’ve never worked with HDF data, it should have worked.
>>>>
>>>> The file you sent contains the variable
>>>> Deep_Blue_Aerosol_Optical_Depth_550_Land_Mean, which you are
>>>> extracting in line 9 of your original code.
>>>>
>>>> short Deep_Blue_Aerosol_Optical_Depth_550_Land_Mean(YDim=180,
>>>> XDim=360);
>>>> :valid_range = 0S, 5000S; // short
>>>> :_FillValue = -9999S; // short
>>>> :long_name = "Deep blue aerosol optical depth at 0.55 microns for
>>>> land (corrected): Mean";
>>>> :units = "none";
>>>> :scale_factor = 0.0010000000474974513; // double
>>>> :add_offset = 0.0; // double
>>>> :Masked_With_QA_Usefulness_Flag = "True";
>>>> :Level_2_Pixel_Values_Read_As = "Real";
>>>> :Derived_From_Level_2_Data_Set =
>>>> "Deep_Blue_Aerosol_Optical_Depth_550_Land";
>>>> :Included_Level_2_Nighttime_Data = "False";
>>>> :Quality_Assurance_Data_Set = "Quality_Assurance_Land";
>>>> :Statistic_Type = "Simple";
>>>> :QA_Byte = 4S; // short
>>>> :QA_Useful_Flag_Bit = 0S; // short
>>>> :QA_Value_Start_Bit = 1S; // short
>>>> :QA_Value_Num_Bits = 2S; // short
>>>> :Aggregation_Data_Set = "None";
>>>>
>>>> The variable has a number of attributes, which you see above, the third
>>>> of which is long_name. That is what NCL uses to determine the title of
>>>> your map, unless you tell it something else, for example by setting
>>>>
>>>> res at tiMainString = “[your custom map title]"
>>>>
>>>> Make sure there is no semicolon in front of res at tiMainString !
>>>>
>>>> If it still doesn’t work, please attach your script, and I can take a
>>>> look what is wrong.
>>>>
>>>> Also, check out Panoply (https://www.giss.nasa.gov/tools/panoply/) to
>>>> view your HDF files and all the metadata and attributes (and netCDF files,
>>>> too) It’s a great program and has helped me a lot figuring out problems
>>>> with my data.
>>>>
>>>> Good luck,
>>>> Toni
>>>>
>>>>
>>>>
>>>> *Toni Klemm, Ph.D.*Postdoctoral Research Associate
>>>> Department of Ecosystem Science and Management
>>>> College of Agriculture and Life Sciences
>>>> Texas A&M University, College Station, TX
>>>> www.toni-klemm.de | @toniklemm <http://www.twitter.com/toniklemm>
>>>> Editorial Board member, Early Career Climate Forum
>>>> <http://www.eccforum.org>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On Sep 8, 2019, at 4:03 PM, zoe jacobs <zoejacobs1990 at gmail.com> wrote:
>>>>
>>>> Dear Toni,
>>>> Please check the attached file.
>>>> Best wishes,
>>>> 01-01.hdf
>>>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__drive.google.com_file_d_1JUtlZ7FFggSaPd5IosGMDBOmbF1YcfeN_view-3Fusp-3Ddrive-5Fweb&d=DwMFaQ&c=u6LDEWzohnDQ01ySGnxMzg&r=zmhRVp0i4wZ5_1Ujh0fnRXAExHgKLTQu0rZLW7PxKA4&m=UsnBcgdnIR3NL175E-6P7QWpWE7wKOO9TXnYD8t44QI&s=JyjJcvay9k7mR_eBhQONqhQn2N02piSnWG1cYoF7UDU&e=>
>>>>
>>>> On Mon, Sep 9, 2019 at 12:56 AM Toni Klemm <toni-klemm at tamu.edu> wrote:
>>>>
>>>>> Could you attach your netCDF file if it’s not too big? Also, please
>>>>> also respond to ncl-talk at ucar.edu so that the conversation is
>>>>> archived for future reference.
>>>>>
>>>>> Toni
>>>>>
>>>>>
>>>>> *Toni Klemm**, Ph.D.*
>>>>> Postdoctoral Research Associate
>>>>> Department of Ecosystem Science and Management
>>>>> College of Agriculture and Life Sciences
>>>>> Texas A&M University, College Station, TX
>>>>> www.toni-klemm.de
>>>>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.toni-2Dklemm.de_&d=DwMFaQ&c=u6LDEWzohnDQ01ySGnxMzg&r=zmhRVp0i4wZ5_1Ujh0fnRXAExHgKLTQu0rZLW7PxKA4&m=UsnBcgdnIR3NL175E-6P7QWpWE7wKOO9TXnYD8t44QI&s=OPWK3YEYM3ciFs1ObreyjdHO1Wkv43QCVjWgI3V2xNQ&e=>
>>>>> | @toniklemm
>>>>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__twitter.com_ToniKlemm&d=DwMFaQ&c=u6LDEWzohnDQ01ySGnxMzg&r=zmhRVp0i4wZ5_1Ujh0fnRXAExHgKLTQu0rZLW7PxKA4&m=UsnBcgdnIR3NL175E-6P7QWpWE7wKOO9TXnYD8t44QI&s=KUlUjvom6bloeTRmtIELV_mWMAA_MVxqyHQhj7_1ca0&e=>
>>>>> Editorial Board member, Early Career Climate Forum
>>>>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.eccforum.org_&d=DwMFaQ&c=u6LDEWzohnDQ01ySGnxMzg&r=zmhRVp0i4wZ5_1Ujh0fnRXAExHgKLTQu0rZLW7PxKA4&m=UsnBcgdnIR3NL175E-6P7QWpWE7wKOO9TXnYD8t44QI&s=sRvWLTsJ-deu-64UBXdoeH0NYUaZnYVNNrTmSz9EYzM&e=>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Sep 8, 2019, at 3:14 PM, zoe jacobs <zoejacobs1990 at gmail.com>
>>>>> wrote:
>>>>>
>>>>> Dear Toni,
>>>>> Thank you for your advice. But, it did not work. NCL derives the title
>>>>> automatically from the file and I do not know how!
>>>>> best wishes,
>>>>>
>>>>> On Sun, Sep 8, 2019 at 11:18 PM Toni Klemm <toni-klemm at tamu.edu>
>>>>> wrote:
>>>>>
>>>>>> Hi Zoe,
>>>>>>
>>>>>> Remove the semicolon at the beginning of this line in your script:
>>>>>>
>>>>>> ; res at tiMainString = "Deep blue aerosol optical depth”
>>>>>>
>>>>>> and replace that line with:
>>>>>>
>>>>>> res at tiMainString = ""
>>>>>>
>>>>>> This way the map title should be blank.
>>>>>>
>>>>>> As a side note, if no map or plot title is explicitly provided in the
>>>>>> script, NCL defaults to what is written in the metadata field
>>>>>> long_name.
>>>>>>
>>>>>> Good luck,
>>>>>> Toni
>>>>>>
>>>>>>
>>>>>> *Toni Klemm**, Ph.D.*
>>>>>> Postdoctoral Research Associate
>>>>>> Department of Ecosystem Science and Management
>>>>>> College of Agriculture and Life Sciences
>>>>>> Texas A&M University, College Station, TX
>>>>>> www.toni-klemm.de
>>>>>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.toni-2Dklemm.de_&d=DwMFaQ&c=u6LDEWzohnDQ01ySGnxMzg&r=zmhRVp0i4wZ5_1Ujh0fnRXAExHgKLTQu0rZLW7PxKA4&m=UTWVYnFKZ8Q2Yv4W6_804zllkROE5jc4YQDSxEiV7bo&s=1C0Kr40EBujBrul5R_nhNwVSQ8In7Bb-iTGHTQfEooo&e=>
>>>>>> | @toniklemm
>>>>>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__twitter.com_ToniKlemm&d=DwMFaQ&c=u6LDEWzohnDQ01ySGnxMzg&r=zmhRVp0i4wZ5_1Ujh0fnRXAExHgKLTQu0rZLW7PxKA4&m=UTWVYnFKZ8Q2Yv4W6_804zllkROE5jc4YQDSxEiV7bo&s=Q9Wyvz-XcEd96oXOQz-5kJ8lV2M83wI48IiWXOd3KlI&e=>
>>>>>> Editorial Board member, Early Career Climate Forum
>>>>>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.eccforum.org_&d=DwMFaQ&c=u6LDEWzohnDQ01ySGnxMzg&r=zmhRVp0i4wZ5_1Ujh0fnRXAExHgKLTQu0rZLW7PxKA4&m=UTWVYnFKZ8Q2Yv4W6_804zllkROE5jc4YQDSxEiV7bo&s=_IMTKMzkAj7om4knQYkX4SPyy_RjKKY6Qa91Ip05V6I&e=>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Sep 8, 2019, at 1:34 PM, zoe jacobs via ncl-talk <
>>>>>> ncl-talk at ucar.edu> wrote:
>>>>>>
>>>>>> Hi all,
>>>>>> I have plotted AOD [ Aerosol Optical Depth], from MODIS data (hdf
>>>>>> file). However, I need to remove the title on my map ( the image attached).
>>>>>> Would you please give me suggestions on how to remove the title? I also
>>>>>> attached my script.
>>>>>> Best wishes,
>>>>>> <a_modis.png><aod-modis.ncl>
>>>>>> _______________________________________________
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>>>>>>
>>>>>>
>>>>>>
>>>>>
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>>>
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>
>
>
> --
> Adam Phillips
> Associate Scientist, Climate and Global Dynamics Laboratory, NCAR
> www.cgd.ucar.edu/staff/asphilli/ 303-497-1726
>
> <http://www.cgd.ucar.edu/staff/asphilli>
>
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