WRB classes GeoTIFF legend

[Tomislav Hengl]

Hi Arseniy,

Sorry for that, the legend is at:

ftp://ftp.soilgrids.org/data/recent/SoilGrids250m_TAXNWRB_legend_June_2016.pdf

--
T. (Tom) Hengl
Researcher @ ISRIC - World Soil Information
Url: http://www.wageningenur.nl/en/Persons/dr.-T-Tom-Hengl.htm
Network: http://profiles.google.com/tom.hengl
Publications: http://scholar.google.com/citations?user=2oYU7S8AAAAJ
ORCID ID: http://orcid.org/0000-0002-9921-5129

On 21/03/17 21:28, Arseniy V. Zhogolev wrote:
> Dear Tom,
>
> I am writing to ask for your help with SoilGRIDs. I downloaded GeoTIFF
> file with the most probable soil in WRB for the part of Russia, but soil
> classes in geotiff are represented by numbers and I couldn't find the
> legend on the site (https://www.soilgrids.org/). I have tried to look
> into tiff.aux file but there is no legend there too. Where can I find
> the legend?
>
> I would very much appreciate if you could find time to help me.
>
> Best regards,
>
> Arseniy Zhogolev.
>
>
> ----
>
> Arseniy V. Zhogolev,
>
> junior research fellow,
>
> Department of soil genesis, geography and classification,
>
> V.V. Dokuchaev Soil Science Institute, Moscow, Russia.
>

[Tomislav Hengl]

Forgot to mention that the actual color legend with numbers per class you can also access from:

ftp://ftp.soilgrids.org/legends/TAXNWRB.txt

[Robert Zomer]

Hello Tom,... 

To follow up on this question about a legend for the TAXNWRB soil classes:  More specifically, is there a table the relates the values in the GeoTiff to the soil classes (and sub-classes).  Or are the classes in the legend you link in your reply, which doesn't have numerical values which correspond to the GeoTiff, are these classes somehow in numerical order ?

Your help to use the SoilGrids much appreciated, as are the SoilGrids themselves.

Best regards...  Robert

[Tomislav Hengl]

Hi Robert,

The legends for all SoilGrids layers are always in the folder:

ftp://ftp.soilgrids.org/legends/

For WRB classes hence use:

ftp://ftp.soilgrids.org/legends/TAXNWRB.qml

To read a XML file to R consider using xmlToList function
(http://stackoverflow.com/questions/2067098/how-to-transform-xml-data-into-a-data-frame).

I am sorry if this is not visible from the FTP structure (we need to
improve). Let me know if I can still help.

If you are at EGU, join us for a session on Global Open soil data:

http://meetingorganizer.copernicus.org/EGU2017/session/25193

--
T. (Tom) Hengl
Researcher @ ISRIC - World Soil Information
Url: http://www.wageningenur.nl/en/Persons/dr.-T-Tom-Hengl.htm
Network: http://profiles.google.com/tom.hengl
Publications: http://scholar.google.com/citations?user=2oYU7S8AAAAJ
ORCID ID: http://orcid.org/0000-0002-9921-5129

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[Robert Zomer]

Dear Tom…

Just wanted to say again thanks for quick and speedy reply and big help.

One note… I wasn’t able to access the data files just now,,… i.e. in directory /recent…. doesn’t show up in my ftp. Might check this….

Cheers.. Robert

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[ahmedatia80]

Hello Mr Hengl,

I'm working on a project to simulate biomass production of some crops at regional scale in South Brazil and would like to download GeoTiffs by R. In your example,
the link below was shown to get the TIF files, but seems like the link is broken and R failed to connect.

sg.ftp <- "ftp://ftp.soilgrids.org/data/recent/"
 
Can you please clarify. 

Thanks 

Ahmed Attia

Agronomist & Soil Scientist 

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