Hello Victor,
thanks for replying.
It does run form the command line. But I can't figure out the correct
syntax for python. When the "feat" line is omitted in python, it does run
but all polygons are classified in one class, which is wrong... In the
command line I also specify all the attribute table columns to be used, as
a 'list', like:
- feat area perimeter complexity etc...
And I haven't found any sample code that includes more than one features.
Do you have any idea where to look for an answer? Also posted a question on
GIS stack exchange with no results yet..
Regards,
E
- feat area perimeter complexity etc..
jhm
On Tue, Dec 4, 2018 at 5:09 PM Poughon Victor <victor.poug...@cnes.fr>
wrote:
> Hi Efi
>
> What are the field names in your shapefile? Are you sure it contains
> "area"? You can see it in QGIS (right click -> "Open attributes table" I
> think).
>
> Another debug thing you can try is calling from the command line (with
> otbcli_VectorClassifier...) to see if you get the same error.
>
> Best,
>
> Victor Poughon
> ------------------------------
> *De :* otb-users@googlegroups.com [otb-users@googlegroups.com] de la part
> de Efi [efili...@gmail.com]
> *Envoyé :* mardi 4 décembre 2018 14:39
> *À :* otb-users
> *Objet :* [otb-users] vector classification, specifying parameters
>
> Hello,
>
> I am trying to classify a vector layer with otb and python. In Monteverdi
> all works fine. I think there must be a mistake in the code when defining
> the 'cfield' and/ or the 'feat' parameters. Here is the code (also attached
> as .py file):
>
> import otbApplication
> VectorClassifier =
> otbApplication.Registry.CreateApplication("VectorClassifier")
> VectorClassifier.SetParameterString("in", "zonals_22.shp")
> VectorClassifier.SetParameterString("model", "model.txt")
> #VectorClassifier.SetParameterString("cfield", "class")
> #VectorClassifier.SetParameterString("feat", "area", "perimeter",
> "complexity", "_mean", "_std", "pmr")
> VectorClassifier.SetParameterString("out", "out4.shp")
> VectorClassifier.ExecuteAndWriteOutput()
>
> Output is: itk::ERROR: ListViewParameter(0000000001023A20): Cannot find
> area
> Any suggestions?
> E
>
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