[Qgis-user] QGIS Using Size-Scale Field

[Klaus mithöfer]

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 use the simple marker. This 
works so far. But what I would like to do is mapping only the outline of 
the marker without any filling colour to have coloured circles on my 
map. 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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