[Qgis-developer] fTools and GdalTools: sextante vs original plugins

Agustin Lobo alobolistas at gmail.com
Thu Apr 18 07:44:46 PDT 2013


Maybe I'm wrong but I think that Sextante does not work on qgis 1.8, right?
Note that, in such a case, feedback from users will be limited as most
users work with the stable release.
I have a 1.9 version on the little Mac and test from time to time.


On Wed, Apr 17, 2013 at 12:27 PM, Victor Olaya <volayaf at gmail.com> wrote:
> Bernard's problem was related with using non-file layers in the
> modeler. It was a very easy fix, so please, everyone that's using
> SEXTANTE, share your problems so we can work on them and make the
> software more stable. :-)
> Thanks in advance!
> 2013/4/17 Bernhard Ströbl <bernhard.stroebl at jena.de>:
>> Hi all,
>> just want to inform you that Victor was able to solve my two problems.
>> Number 1 (CRS missmatch) was kinda my fault (or let's say the fault of a
>> former QGIS version where my project originally was created in: QGIS did
>> compare proj4 definition and picked the first CRS the definition of the
>> layer matched. As EPSG:31464 and EPSG:31468 have the same proj4 definition
>> but the first is deprecated it was chosen, although my layer is defined as
>> EPSG:31468 in geometry_columns)
>> Number 2 (no PostGIS suppport) was fixed in master
>> Bernhard
>> Am 17.04.2013 09:24, schrieb Victor Olaya:
>>> Bernhard
>>> I am sorry to hear about your bad experience. Could you detail a bit
>>> more about what you are doing (algorithms you are running, etc)?.
>>> PostGIS layers should work without problems, but I have recently fixed
>>> a problem with PostGIS when using SAGA algorithms, so there might be
>>> other issues like that.
>>> If you want, you can send me your layers and model, so I can have a
>>> look and try to find out what is happening
>>> Many thanks for your collaboration (and patience)
>>> Victor
>>> 2013/4/17 Bernhard Ströbl<bernhard.stroebl at jena.de>:
>>>> Hi all,
>>>> for a course I am about to give tomorrow I played a bit with SEXTANTE,
>>>> although I am going to teach geoprocessing with fTools (we are using QGIS
>>>> 1.8). It was my first go with SEXTANTE and I was about to show what it
>>>> will
>>>> offer in the future. Therefore I built a small model with three input
>>>> layers
>>>> a buffer and two overlay operations. I did not succeed in running the
>>>> model
>>>> so I tried in current master.
>>>> As it currently is SEXTANTE is not operable for me (or I am doing it
>>>> wrong):
>>>> First message is "Layers do not all use the same CRS...." although they
>>>> definitely do and the same EPSG-code is noted in square brackets behind
>>>> each
>>>> layer name!? Second I get an "Error executing algorithm..." it seems as
>>>> SEXTANTE cannot use PostGIS layers as input (when I save them as shape
>>>> files
>>>> the model runs perfectly), this is a big limitation as my institution
>>>> stores
>>>> almost everything in PostGIS. (SEXTANTE should not offer PostGIS layers
>>>> to
>>>> choose as input layers then).
>>>> Well, this was a very disappointing experience because additionally QGIS
>>>> was
>>>> frozen two or three times opening or closing the model. I do not want to
>>>> complain, all I want is to ask for keeping fTools as they are until
>>>> can _really_ replace them in all aspects. Then we should remove the
>>>> vector
>>>> menue completely because I agree that finding the tool you are looking
>>>> for
>>>> is a lot easier in SEXTANTE.
>>>> my 2 cents
>>>> Bernhard
>>>> Am 17.04.2013 07:42, schrieb Anita Graser:
>>>>> On Wed, Apr 17, 2013 at 3:19 AM, Mathieu Pellerin<nirvn.asia at gmail.com
>>>>> <mailto:nirvn.asia at gmail.com>>  wrote:
>>>>>      There might be a way to make most people happy here.
>>>>>      I find the vector menu a nice ui shortcut for useful functions. If
>>>>>      sextante relevant functions are at par (or better), couldn't the
>>>>>      vector menu items stay, which would please many, and when clicked
>>>>>      triggers sextante's function dialogue? Victor? Same thing could
>>>>>      happen with vector menu too. Sextante's analysis toolbar is super
>>>>>      useful but might be a throwback for some if vector / raster menu
>>>>>      functions disappear.
>>>>>      On human resource (coders and testers) and maintenance angles,
>>>>>      keeping to mechanism to do same thing is an obvious waste.
>>>>> I see. So you'd suggest to keep only Sextante code (where duplicates
>>>>> exist!) but provide shortcuts from the menu? I'd +1 that.
>>>>> I've been testing a variety of functions in the menus and in Sextante
>>>>> over the last days and there are always some broken ones. Neither
>>>>> "package" is without major bugs today.
>>>>> We need to get it together for 2.0 and that's easier if we can focus on
>>>>> one.
>>>>> Best wishes,
>>>>> Anita
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