Hello, I seem to have a 'visibility problem' with my application. I have a QGraphicsscene that represents a piece of A4 paper at 300DPI (approx. 3300 by 2500 scene coordinates). On this scene I have a simple street map and some symbols. I draw the lines in black with thickness ranging between 1 to 10 and when printed on paper this all looks fine. However when I draw these in a much smaller qgraphicsview I have to zoom out quite a lot. As this happens the thin lines start to get lighter and lighter up until the point that you can not see them any more. Is there a way to avoid this from happening?
I know that if I draw them with size 0 then the lines will always be one pixel wide on screen but then the printed version is not as nice. And then they also will always be the same thickness even when zoomed in to 100%. It really is a problem because some of the symbols become invisible this way when you are editing the map. Any body here has any hints on how to handle this situation? regards, David H
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