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I was drawing in some areas that already had shared sides, such as a field that I wish to tag, bounded by a river and road I drew a line parallel but it differcult along a meandering stream especially if it as a bank footpath. Any ideas when using Potlatch2

asked 12 Feb '11, 13:48

andy%20mackey's gravatar image

andy mackey
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accept rate: 4%

edited 24 Jun '13, 03:18

aseerel4c26's gravatar image

aseerel4c26 ♦
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This sounds like you might want to use multipolygons instead of parallel boundaries: http://wiki.openstreetmap.org/wiki/Relation:multipolygon Multipolygons let you build areas out of other way segments by sharing them using relations.

However, someone has to tell us how to do that in Potlach2 since I'm using JOSM myself.

(12 Feb '11, 19:45) gnurk

You can use the "Follow" feature in Potlatch 2 to help with drawing things with shared ways.

As exaplained by Steve Bennet in this post on the 'Talk' mailing list, this is how to use it:

Say you want to map a golf course that shares half its boundary with a landuse=industrial.

  1. Start drawing the golf course
  2. Click on one of the nodes of the industrial area, as normal
  3. Click the next node in the industrial area, as normal. (Without this tool you would just continue doing this all the way around)
  4. Press "F". The way is now automatically extended to the next node.
  5. Keep pressing F as far as necessary.
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answered 12 Feb '11, 22:44

Vclaw's gravatar image

Vclaw
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accept rate: 22%

worked well on new edit well done P2 proggers

(13 Feb '11, 13:56) andy mackey
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Sharing nodes with ways or polygons is a nightmare to edit later so i avoid it and use the parallel tool ( Potlatch2 )

(02 Nov '14, 06:30) andy mackey

If i needed to map a polygon now, I would avoid using shared nodes by using the parallel line tool from the Potlatch2 toolbox. So create a parallel line for each section then join and trim them, ctrl click each section to select them all to make one polygon then pick the area type of choice. name it, source note it and save it. job done.

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answered 01 Nov '14, 20:13

andy%20mackey's gravatar image

andy mackey
11.9k74126262
accept rate: 4%

edited 05 Nov '14, 07:23

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question asked: 12 Feb '11, 13:48

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last updated: 05 Nov '14, 07:23

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