[QGIS-Developer] Problems in running OTB

[Pedro Venâncio]

Hi Paolo,

Tested here in Ubuntu Xenial, both with OTB 7.0.0 or 6.6.1, and QGIS 3.4.13
(OTB plugin), everything works, but with the issues reported by Aron.

Best regards,
Pedro


Paolo Cavallini <cavallini at faunalia.it> escreveu no dia quarta, 4/12/2019
à(s) 15:44:

> Thanks for the feedback. Could you please add your notes to the ticket
> https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb/issues/2001 ?
> Cheers.
>
> Il 04/12/19 14:42, Áron Gergely ha scritto:
> > Hi Paolo and list,
> >
> > I am using the Segmentation algorithm on Linux without major problems.
> > (OTB 6.6 and now 7.0 with QGIS 3.10).  But indeed it does not work out
> > of the box:
> > Even when raster output does not not apply to the Segmentation alg , a
> > "bogus" value would have to be entered in the output box to avoid an
> > exception and get the alg running.
> >
> > Also, the OTB processing provider settings interface has some issues:
> > when I try to change configuration values (namely the amount of max RAM
> > ), I get an error " argument has unexpected type  'int' "
> >
> > Best regards,
> > Aron
> >
> >
> > On 04/12/2019 13:23, Pedro Venâncio wrote:
> >> Hi Paolo,
> >>
> >> I'm using OTB (6.6.1 and 7.0.0) with QGIS 3.10.0, without any problem,
> >> but I'm on Windows.
> >>
> >> About the issues you reported (".raster.out.tif" and vectors not being
> >> loaded), I think this thread can explain almost all of them (I had the
> >> same doubts some time ago):
> >>
> >> https://gitlab.orfeo-toolbox.org/orfeotoolbox/qgis-otb-plugin/issues/30
> >>
> >> Best regards,
> >> Pedro Venâncio
> >>
> >>
> >> Paolo Cavallini <cavallini at faunalia.it <mailto:cavallini at faunalia.it>>
> >> escreveu no dia terça, 3/12/2019 à(s) 12:00:
> >>
> >>     Moreover, the vector resulting vector layer is not automatically
> >>     loaded.
> >>     Cheers.
> >>
> >>     Il 03/12/19 12:44, Paolo Cavallini ha scritto:
> >>     > Hi all,
> >>     > OTB algs apparently do not work on QGIS 3.10 out of the box:
> >>     >
> >>     > * if a raster output is not explicitly selected I get an error:
> >>     > “.raster.out.tif” files are not supported as outputs for this
> >>     algorithm
> >>     >
> >>     > * if a vector output  is not explicitly selected (with
> >>     filename.ext) I
> >>     > get another error:
> >>     > 2019-12-03 12:30:43 (FATAL) Segmentation: itk::ERROR: No OGR
> driver
> >>     > known to OTB to create and handle a DataSource named
> >>     >
> >>
>  </tmp/processing_1845b856b9b44fa79bd7d1f2f834ffa0/processing_5bc31a5446744fff806de1d05d4b0240/4083978a97c840adbe135f8409847bfd/mode.vector.out.file>.
> >>     >
> >>     > If confirmed I can open two tickets.
> >>     >
> >>     > Additionally (but this must be done by OTB itself, nothing to do
> >>     with QGIS):
> >>     >
> >>     > ERROR 1: TopologyException: Input geom 1 is invalid: Ring
> >>     > Self-intersection at or near point 1651438.0098749998
> >>     4818821.1863940004
> >>     > at 1651438.0098749998 4818821.1863940004
> >>     >
> >>     > Cheers.
> >>     >
> >>
> >>     --
> >>     Paolo Cavallini - www.faunalia.eu <http://www.faunalia.eu>
> >>     QGIS.ORG <http://QGIS.ORG> Chair:
> >>     http://planet.qgis.org/planet/user/28/tag/qgis%20board/
> >>     _______________________________________________
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> >>
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> > --
> > Email Signature Kind Regards,
> >
> > Áron Gergely
> > +31 (0) 6 38 70 97 66
> >
> > *Rasterra* | www.rasterra.nl <https://www.rasterra.nl>
> >
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>
> --
> Paolo Cavallini - www.faunalia.eu
> QGIS.ORG Chair:
> http://planet.qgis.org/planet/user/28/tag/qgis%20board/
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