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I am new to GIS, and I have flight lines and I am interested in determining the crossover or intersection of those lines. Can I use QGIS for that and what would be the procedures for doing it?

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1 Answer 1

Presumings these are the flights:

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You can access the Vector > Analysis Tools > Line intersections menu:

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And here's the result (using QGIS 2.0.1):

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