[Qgis-user] QGIS Using Size-Scale Field

[kmithoefer]

Dear Andreas,

Thanks a lot! Perfect, I didn't know that.

Best regards and good weekend

Klaus

Am 05.09.2014 13:28, schrieb Andreas Neumann [via OSGeo.org]:
> Hi Klaus,
>
> This is very simple to achieve. Just use the alpha value in the fill
> color and set it to zero.
>
> Andreas
>
> Am 05.09.2014 10:17, schrieb kmithoefer:
>
> > Dear list,
> >
> > I want to map point data with insect species density and want to use 
> the
> > percent values from a table as the size-scale field to map points of
> > different size representing the densities. I followed this 
> instruction (
> > 
> http://horta.ulb.ac.be/cours/SIS-TP-Tutoriels/QGIS%20Tutorials%20%28Ujaval%20Gandhi%29/qgis.spatialthoughts.com/2012/02/styling-vector-data-in-qgis-using-size.html
> > 
> <http://horta.ulb.ac.be/cours/SIS-TP-Tutoriels/QGIS%20Tutorials%20%28Ujaval%20Gandhi%29/qgis.spatialthoughts.com/2012/02/styling-vector-data-in-qgis-using-size.html> 
>
> > ) and used the simple marker. This worked so far. But what I would 
> like to
> > do is mapping only the outline of the marker without any filling 
> colour to
> > see the vegetation below. Is this possible? I need to do this to 
> overlay
> > different species densities in different colour mapped as circles. 
> Therefore
> > applying transpareny to the layer or symbol does not help because 
> this is
> > also applied to the outline. Has anyone an idea on how to map circles
> > without filling color?
> >
> > I am very thankful for any comments.
> >
> > With regards
> >
> > Klaus
> >
> >
> >
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