[Qgis-user] scale dependend representation?
Andreas Neumann
a.neumann at carto.net
Tue Dec 28 13:42:27 PST 2010
Hi Sven,
I think the filter accepts almost everything that SQL accepts - just the
WHERE part of an SQL query.
The manual doesn't discuss the rule-based renderer in detail. If you
have something to contribute, please contact the doc/community team.
Andreas
On 12/28/10 2:18 PM, Sven Bauhan wrote:
> Am Dienstag, 28. Dezember 2010 13:15:13 schrieb a.neumann at carto.net:
>> Hi Sven
>>
>> Each rule can also hold a scale range (min/max). You can have multiple
>> scale ranges per layer.
>>
>> In your case, one rule would contain the intended scale range and the
>> filter (like an SQL-WHERE part). In the recent trunk there is also a
>> graphical query builder now.
>>
>> The other rule would hold the consequent scale range and a different
>> filter/SQL-WHERE part.
>>
>> To enable the rule-based renderer, choose "New Symbology" and then
>> "rule based renderer". There is a button with a green "plus" to add a
>> new rule. In the new dialogue you can then define a scale range and the
>> SQL where part.
>>
> Oh that looks great.
>
> Then I have to update the trunk version to get the graphical query builder.
>
> Is there also a description in the manual about how the filter queries have to
> look like?
>
> Thanks,
> Sven
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