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Potlatch creating self overlapping roads #4264
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Author: Richard Not really a clearly expressed bug. |
Author: stevage My interpretation of this bug was that Potlatch should warn/prevent users making roads that cross each other ("superposed") without a junction. I've previously written the code to make this possible, so I actually think it's feasible. |
Author: Richard There is actually a (slightly better phrased) dupe of this by the same reporter, so we don't need both. It's certainly possible code-wise, that much is fairly obvious. It's the UI that's harder - we certainly don't want P2 to start randomly adding junction nodes when the user's very next action might be to add a bridge=yes tag. I suspect a better solution might be the long-planned data quality inspector, but it needs careful design. |
Author: Maetma Examples: http://www.openstreetmap.org/browse/changeset/10922002 |
Author: Maetma In the case I am described the raod selfs overlapping. In the majority of the cases the user clicks again on the before last node. The incorrect road is like this : node1 node2 node3 ... node(n-1) node(n) node(n-1) He would not be possible to re-selecting node(n-1) |
Author: stevage Makes sense to prevent the user forming a way as described: 0, 1, 2, 3, 4, 3... Such a way seems extremely unlikely to be valid. |
Author: maetma Way as 1-2-1 must not be created When delete 2 it gets way with one node in it this is wrong |
Author: stevage Is this definitely still happening? I did review this code recently. Do you have an example? |
Author: illya2400 Here are some examples of ways that completely overlap themselves. In JOSM, the validation error is "way contains segment twice" way 396166566 Ways were created by new user using Potlatch 2. The ways were created in February 2016, so this is still a major issue. |
Author: Richard Duplicate of #4020. |
Reporter: Maetma
[Submitted to the original trac issue database at 8.30pm, Saturday, 3rd March 2012]
Many new users add roads that are superposed with Potlatch. Create this roads should be forbidden by Potlacth. It takes a lot of time to fix.
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