Changeset: 48499750
Additions and/or fixes in Tel Aviv, Israel
Closed by Ynhockey
Tags
created_by | iD 2.1.3 |
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host | https://www.openstreetmap.org/id |
imagery_used | Bing aerial imagery |
locale | en-US |
Discussion
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Comment from zstadler
There seems that a new building added in this changeset:
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http://www.openstreetmap.org/way/492103952
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is overlapping an existing building:
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http://www.openstreetmap.org/way/90828224 -
Comment from Ynhockey
This is intentional: https://osmbuildings.org/?lat=32.07537&lon=34.78338&zoom=19&rotation=0&tilt=30
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Comment from zstadler
Thanks! I didn't notice the "building:part" tag...
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Comment from zstadler
Would it be possible to define this building part without using any node more than once (except for closing the way)?
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The current shape creates a self-intersecting way.
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https://wiki.openstreetmap.org/wiki/Self_intersecting_way_reports -
Comment from Ynhockey
It's possible, if the part is split into five. Can you point me to an explanation of why this is such a big problem though? The linked page only says it could be a problem. Why?
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Comment from zstadler
The problem is when software tries to analyze the shapes in the map or store them in geographic databases that allow search. A self-intersecting polygon created issues.
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For example, there is an error when reading this way to the search database for IsraelHiking.osm.org.il
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To avoid self-intersection, it would be fine to just change the shape of the corners. For example replace the triangle corners with squares:
./\______/\
\ /
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/ ___ \
\/ \/ -
Comment from zstadler
The shape in the previous comment got distorted.
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Please see if http://www.openstreetmap.org/way/535361487 or something similar can replace http://www.openstreetmap.org/way/90828224 -
Comment from Ynhockey
I have modified the building, hopefully it doesn't cause the same problems anymore.
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Comment from zstadler
Thanks!
I appreciate your help!
Ways (6)
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