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detect invalid split if splitting line ends in polygon #11261

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qgib opened this issue Aug 4, 2008 · 3 comments
Closed

detect invalid split if splitting line ends in polygon #11261

qgib opened this issue Aug 4, 2008 · 3 comments
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Bug Either a bug report, or a bug fix. Let's hope for the latter! Digitizing Related to feature digitizing map tools or functionality

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qgib commented Aug 4, 2008

Author Name: Marco Hugentobler (@mhugent)
Original Redmine Issue: 1201

Redmine category:digitising
Assignee: Marco Hugentobler

If a splitting line starts outside a polygon and ends inside it, the user should receive an error message. Instead, a vertex is added where the split line crosses the polygon border.
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qgib commented Aug 6, 2008

Author Name: Jürgen Fischer (@jef-n)

Are those dangling lines? the geos polygonizer also has a method without C-API for that. If it is, we should propose a function for it, too.

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qgib commented Oct 17, 2008

Author Name: Marco Hugentobler (@mhugent)

Yes, those are dangling lines and it would be good to have a C-API function for it.
In the meantime, 73c0a75 (SVN r9491) contains a fix for most cases without using the dangling line function of polygonizer. I'm therefore closing this ticket.

  • resolution was changed from to fixed
  • status_id was changed from Open to Closed

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qgib commented Aug 21, 2009

Author Name: Anónimo (Anónimo)

Milestone Version 1.0.0 deleted

@qgib qgib added Bug Either a bug report, or a bug fix. Let's hope for the latter! Digitizing Related to feature digitizing map tools or functionality labels May 24, 2019
@qgib qgib closed this as completed May 24, 2019
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