[ka-Map-users] grey background in layer
lorenzo at ominiverdi.com
Tue Feb 6 17:10:32 EST 2007
> I am trying to put shapefiles of Type polygon as layer on top of a
> rgb-image. Having grouped each single shapefile I now have checkboxes
> for each layer (first question: is there a possibility to get
> checkboxes without grouping using ka-map?).
> Well, so far it's fine. However, the environment (outside) of the
> polygon is colored in gray so covering (darkening) the rgb image even
> though there should not be any region marked. As a consequence I
> lowered the opacity value leading to reduced gray-covering but also to
> a less visible polygonal area. So how is it possible to have only the
> polygonal area colored and the rest absolutely invisible?
> In this context it is also interesting that this gray background only
> occurs when "GROUP" is used. Without this only the polygonal area is
> displayed. But then there are no checkboxes...
have you tried forcing your group image format to PNG?
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