[Qgis-developer] Does Sextante Field Calculator support all functions of attribute table field calc?

[Anita Graser]

On Thu, Apr 18, 2013 at 9:21 AM, Alexander Bruy <alexander.bruy at gmail.com>wrote:

>
>
> BTW, there is also Advanced Field Calculator that should allow
> calculate area and perform much more complex calculations
>

Could you show me how?

value = $area / "area"

causes

Traceback (most recent call last):

File
"C:\OSGeo4W\apps\qgis-dev\python\plugins\sextante\core\GeoAlgorithm.py",
line 147, in execute

self.processAlgorithm(progress)

File
"C:\OSGeo4W\apps\qgis-dev\python\plugins\sextante\algs\FieldPyculator.py",
line 125, in processAlgorithm

unicode(sys.exc_info()[0].__name__), unicode(sys.exc_info()[1]))

TypeError: __init__() takes exactly 2 arguments (4 given)

Thanks!

Anita



> On Wed, 17 Apr 2013 22:42:05 +0200
> "Anita Graser" <anitagraser at gmx.at> wrote:
>
> > Hi,
> >
> > I have a polygon layer with an "area" field and want to calculate $area /
> > "area". This works well in attribute table field calculator.
> >
> > If I try to use Sextante Field Calculator, the resulting field contains
> > only NULL values. Is this supposed to work? Is this a bug you can
> confirm?
> >
> > Best wishes,
> > Anita
>
> --
> Alexander Bruy
>
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