Hi Martin,
Thanks for the explanation. Sounds similar to what r.clump does. Would it
be an idea to add your explanation to the help file, for the next one that
stumbles upon it?
Cheers,
Paulo
On July 15, 2021 9:39:45 PM Martin Wegmann
<martin.wegm...@uni-wuerzburg.de> wrote:
Hi Paulo,
the r.pi.grow is mainly just a helper function to define connected patches.
It is not meant to be executed independently.
All pixel that are connected (either 4 or 8 cell neighborhoods) are defined
as one patch (with unique ID) and used in subsequent functions like
r.pi.index, r.pi.odc etc.
hope that helps. regards, Martin
On 15.07.21 18:09, Markus Neteler wrote:
Hi Paulo,
Paulo van Breugel <p.vanbreu...@gmail.com> schrieb am Do., 15. Juli 2021,
18:00:
Hi devs,
I am interesting to try out the different functions provided by the r.pi.*
toolset. For r.pi.grow the manual page is mostly empty. Is there any basic
information available about the options / different input parameters? If
somebody can provide me with some basics, I can try do draft some text and
examples for the manual page.
I'm afraid not too much besides the original paper:
https://doi.org/10.1111/2041-210X.12827
Thanks Markus, I read the, interesting, paper.
Best,
Markus
Cheers,
Paulo
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--
Dr. Martin Wegmann
University of Wuerzburg
Institute of Geography
Department of Remote Sensing
Remote Sensing and Biodiversity Research
Am Hubland
Oswald Kuelpe Weg 86
97074 Wuerzburg, Germany
German Aerospace Center (DLR)
German Remote Sensing Data Center (DFD)
Phone: +49-(0)931-31 83446
Email: martin.wegm...@uni-wuerzburg.de
url: https://www.geographie.uni-wuerzburg.de/en/fernerkundung/startseite/
url: https://www.dlr.de/eoc
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