On Thu, Jul 18, 2013 at 1:35 PM, Roel De Nijs <roel.den...@aquafin.be>wrote:
> geowolf wrote
> > Yes, of course, we cannot scan the whole data set just to generate the
> > legend, that would take ages
> > (I've played with vector dataset with up to 50 million records... do you
> > really want to scan them to generate a legend?)
> > For these cases we cannot scan the whole dataset, or even just try to
> > extract the unique values,
> > one needs to provide a static legend instead (there was work towards
> this,
> > but I don't remember where it ended up)
> >
> > Cheers
> > Andrea
>
> Confirms what I thought. Thanks!
>
> I updated the column (which determines the WellKnownName) to a non-existing
> value (simulating a wrong data conversion) and tried to generate the map,
> which failed (and a crystal clear log message was written to the error
> log).
> Is it possible to ignore these wrong features or give them some default
> rendering, like you can do with an ElseFilter?
>
Not with the recode function. I guess you can create a large Filter in your
rule
with the recode, that only accepts the values you want, and then have
a else filter to catch everything else
Cheers
Andrea
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Ing. Andrea Aime
@geowolf
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