[GRASS-user] r.soils.texture question

[Laura Poggio]

Dear all,
I am looking at the DAT file
<https://svn.osgeo.org/grass/grass-addons/grass7/raster/r.soils.texture/scheme/USDA.dat>
for USDA soil texture classification for the r.soil.texture addon.
I have a couple of questions.

1) the class silt-loam appears twice (number 8 and 12). Is this intentional
and needed for the calculations?

2) Could you please explain the structure of the DAT file? As example
1
6
0 0 20 45 45 0
100 60 40 40 55 100

First line: I think is the class value as written in the pixel.
Second line: not sure
Following two lines: I think they are somehow the limits of sand, silt and
clay. However I can not really understand in which order.

Thank you very much in advance
Laura
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