[Qgis-user] QGIS Using Size-Scale Field

[Andreas Neumann]

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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