python mapscript filteritem not working

[Umberto Nicoletti]

On 8/9/07, Marcos Sánchez Provencio <marcos at burke.ath.cx> wrote:
> My mistake. I was modifying the layer after adding it to the map, so I
> was dealing with the independent copy that never gets drawn. I really
> think that this behavior is very confusing, especially to those used to
> Python.

This will change starting with mapserver 5 (out soon). No more confusion ;-)

Umberto

>
> Thank you for your interest, anyway. I really appreciate the fast
> responses.
>
> El jue, 09-08-2007 a las 13:50 +0200, Umberto Nicoletti escribió:
> > On 8/9/07, Marcos Sánchez Provencio <marcos at burke.ath.cx> wrote:
> > > It seems to be related to the fact that the connection is opened only
> > > once. is it possible to force reopening database connections? I am going
> > > to try using clone().
> >
> > Clone makes a deep copy of the object, so it is not useful in your
> > case. Try to put the string in quotes (no double quotes, just two
> > single quotes), ie:
> >
> > self.capa.filteritem=''escala''
> >
> > Umberto
> >
> > >
> > > El jue, 09-08-2007 a las 11:21 +0200, Marcos Sánchez Provencio escribió:
> > > > Good morning (in Spain). This is my first post to the list.
> > > >
> > > > I have set up a django app that uses mapscript to serve maps (not using
> > > > http://code.djangoproject.com/wiki/GeoDjango whatsoever).
> > > >
> > > > I have a shp file with several layers of detail (wind predictions,
> > > > aggregated in 1x, 4x, 16x, etc.). I wanted to use filteritem and filter
> > > > to show only the level of desired detail.
> > > >
> > > > If I put
> > > >  FILTERITEM escala
> > > >  FILTER "16"
> > > > in a mapfile, it works as expected.
> > > >
> > > > but
> > > >
> > > >             self.capa.filteritem='escala'
> > > >             self.capa.setFilter('16')
> > > > does not.
> > > >
> > > > Any hint why?
> > >
>
>