[Qgis-user] Multiple Symbolization Rules per Layer
a.neumann at carto.net
Wed Apr 22 07:56:06 EDT 2009
I went the route of concatenating the two (or in another case three)
attributes for my purpose.
For a future QGIS version it would be cool if there would either support for:
* multiple symbolization rules
* data-defined styling for stroking/filling - as you already do with
Multiple symbolization would also be cool for multiple symbolizations of
the same layer for different map scales (without having to load the layer
multiple times). Autodesk Map3D handles this nicely.
Thanks a lot,
On Mon, April 20, 2009 3:34 pm, Martin Dobias wrote:
> On Mon, Apr 20, 2009 at 11:13 AM, Andreas Neumann <a.neumann at carto.net>
>> I have to symbolize our community's waste water network. My problem is
>> that I need more than one symbolization rules per Layer.
>> As an example the stroke should be derived from one attribute while the
>> stroke-style (e.g. different stroke-dashing) should be derived from a
>> different attribute. This means I would need more than one symbolization
>> rule to correctly style this layer.
>> Is this possible with QGIS or would I need to create a new attribute
>> combining those attributes in a single attribute for symbolization?
> Hi Andreas,
> currently it's possible to use only one attribute for the
> symbolization, so combination of the two attributes should do the job.
> Another option would be to write a special renderer class, however
> this has its own glitches.
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