This is the centerline of a former airport until 1992: http://umap.openstreetmap.fr/de/map/muenchen-riem-ehem-rwy_96816#14/48.1327/11.7021 How can I make a rectangle of it where the line ist the symmentry line (centre line)? The rectangle should have a width of 60 meters (30 m left, 30 m right).

asked 17 Apr, 10:42

osmwichtel's gravatar image

osmwichtel
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edited 17 Apr, 11:51

scai's gravatar image

scai ♦
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I'd probably use JOSM with the building plugin; should allow you to attach to nodes for the starting edge and drag out to the distance you want it for one side. Repeat or copy/mirror for the other side and then join it all together as a single object...depending how precise you wanted to be in maintaining the original points relative to the new object.

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answered 21 Apr, 01:07

mirror176's gravatar image

mirror176
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Thx for your proposal to use JOSM. I did it with help of the German site http://www.senotto.de/index.html?Tipps%20und%20Tricks This can do it for one side. The other side I mirror "by hand".

(06 May, 14:11) osmwichtel
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question asked: 17 Apr, 10:42

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