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I digitised a map showing electric grid lines. I merged a number of lines into a single feature. Now, I'd like these lines to be displayed so that the intersections appear continuous. At the moment, the line edges on intersections are visible and it's not pretty, as visible on the screenshot below:

Overlapping line borders at intersections

I could swear I've seen something about this somewhere on the Internet but I can't find it anymore.

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up vote 9 down vote accepted

You need to use Symbol Levels:

enter image description here

enter image description here

The higher the number the later is it drawn. So black will be rendered first then the purple over top meaning that any black bits will be rendered over.

enter image description here

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Great, thanks for the quick answer Nathan! – Patrick Bivona Jul 9 '13 at 3:01

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