[Qgis-user] QGIS Using Size-Scale Field

[Andreas Neumann]

Hi Klaus,

I assume you use QGIS 2.4

You can now map any graphical property to a database field or a QGIS
Expression (calculation).

You can also introduce your own scaling formula and manipulate the size
of the symbol.

You can also separately define alpha values (transparency) on stroke and
fill colors in the simple marker symbols.

Make sure you use QGIS 2.4 or the developer version.

Andreas

Am 03.09.2014 09:11, schrieb 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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