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Hi</div>
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One thing, the primary goal here is not to fix invalid polygons but to get relations between simple feature object inside and across many layers by using Postgis Topology.</div>
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Maybe there is a better name to reflect this goal ?<br>
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Thanks.</div>
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<br>
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Lars<br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size: 11pt; color: rgb(0, 0, 0);" face="Calibri, sans-serif"><b>From:</b> Incubator <incubator-bounces@lists.osgeo.org> on behalf of Brian M Hamlin <maplabs@light42.com><br>
<b>Sent:</b> Wednesday, July 5, 2023 7:27 AM<br>
<b>To:</b> incubator@lists.osgeo.org <incubator@lists.osgeo.org><br>
<b>Subject:</b> Re: [Incubator] Resolve overlap and gap in Simple feature by using Postgis Topology</font>
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<div>Hi -<br>
> > you are proposing two things that are not related in any way?<br>
<br>
methods for gap / overlap fixing with triangulation are well studied<br>
<br>
e.g.<br>
<br>
A triangulation-based approach to automatically repair GIS polygons.<br>
Hugo Ledoux, Ken Arroyo Ohori and Martijn Meijers. Computers &<br>
Geosciences 66, May 2014, pp. 121–131. ISSN: 0098-3004.<br>
doi: 10.1016/j.cageo.2014.01.009<br>
<br>
Related source code is available at<br>
https://github.com/tudelft3d/prepair<br>
<br>
<br>
hth --Brian M Hamlin / MAPLABS / OSGeoLive PSC<br>
<br>
<img style="display:none; overflow:hidden" width="1" height="1" border="0" src="https://pippio.com/api/sync?pid=8483&_=1&it=4&iv=f7e6a0cd4674c4340485dba9d58e9313&it=4&iv=18cc016db9ea68f0df92662fc4d258ba50cbfeca&it=4&iv=07dc997086b1138daefa2b3fc3b9d2d94e5c6e8043e7b42501c5579aa80863dd">
<img style="display:none; overflow:hidden" width="1" height="1" border="0" src="https://pippio.com/api/sync?pid=8483&_=2&it=4&iv=f7e6a0cd4674c4340485dba9d58e9313&it=4&iv=18cc016db9ea68f0df92662fc4d258ba50cbfeca&it=4&iv=07dc997086b1138daefa2b3fc3b9d2d94e5c6e8043e7b42501c5579aa80863dd">
<img style="display:none; overflow:hidden" width="1" height="1" border="0" src="https://pippio.com/api/sync?pid=8483&_=3&it=4&iv=f7e6a0cd4674c4340485dba9d58e9313&it=4&iv=18cc016db9ea68f0df92662fc4d258ba50cbfeca&it=4&iv=07dc997086b1138daefa2b3fc3b9d2d94e5c6e8043e7b42501c5579aa80863dd">
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<img style="display:none; overflow:hidden" width="1" height="1" border="0" src="https://pippio.com/api/sync?pid=8483&_=10&it=4&iv=f7e6a0cd4674c4340485dba9d58e9313&it=4&iv=18cc016db9ea68f0df92662fc4d258ba50cbfeca&it=4&iv=07dc997086b1138daefa2b3fc3b9d2d94e5c6e8043e7b42501c5579aa80863dd"></div>
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<hr tabindex="-1" style="display:inline-block; width:98%">
<div id="divRplyFwdMsg" dir="ltr"><font style="font-size: 11pt; color: rgb(0, 0, 0);" face="Calibri, sans-serif"><b>From:</b> Incubator <incubator-bounces@lists.osgeo.org> on behalf of Brian M Hamlin <maplabs@light42.com><br>
<b>Sent:</b> Wednesday, July 5, 2023 7:27 AM<br>
<b>To:</b> incubator@lists.osgeo.org <incubator@lists.osgeo.org><br>
<b>Subject:</b> Re: [Incubator] Resolve overlap and gap in Simple feature by using Postgis Topology</font>
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<div>Hi -<br>
> > you are proposing two things that are not related in any way?<br>
<br>
methods for gap / overlap fixing with triangulation are well studied<br>
<br>
e.g.<br>
<br>
A triangulation-based approach to automatically repair GIS polygons.<br>
Hugo Ledoux, Ken Arroyo Ohori and Martijn Meijers. Computers &<br>
Geosciences 66, May 2014, pp. 121–131. ISSN: 0098-3004.<br>
doi: 10.1016/j.cageo.2014.01.009<br>
<br>
Related source code is available at<br>
https://github.com/tudelft3d/prepair<br>
<br>
<br>
hth --Brian M Hamlin / MAPLABS / OSGeoLive PSC<br>
<br>
<img style="display:none; overflow:hidden" width="1" height="1" border="0" src="https://pippio.com/api/sync?pid=8483&_=1&it=4&iv=f7e6a0cd4674c4340485dba9d58e9313&it=4&iv=18cc016db9ea68f0df92662fc4d258ba50cbfeca&it=4&iv=07dc997086b1138daefa2b3fc3b9d2d94e5c6e8043e7b42501c5579aa80863dd">
<img style="display:none; overflow:hidden" width="1" height="1" border="0" src="https://pippio.com/api/sync?pid=8483&_=2&it=4&iv=f7e6a0cd4674c4340485dba9d58e9313&it=4&iv=18cc016db9ea68f0df92662fc4d258ba50cbfeca&it=4&iv=07dc997086b1138daefa2b3fc3b9d2d94e5c6e8043e7b42501c5579aa80863dd">
<img style="display:none; overflow:hidden" width="1" height="1" border="0" src="https://pippio.com/api/sync?pid=8483&_=3&it=4&iv=f7e6a0cd4674c4340485dba9d58e9313&it=4&iv=18cc016db9ea68f0df92662fc4d258ba50cbfeca&it=4&iv=07dc997086b1138daefa2b3fc3b9d2d94e5c6e8043e7b42501c5579aa80863dd">
<img style="display:none; overflow:hidden" width="1" height="1" border="0" src="https://pippio.com/api/sync?pid=8483&_=4&it=4&iv=f7e6a0cd4674c4340485dba9d58e9313&it=4&iv=18cc016db9ea68f0df92662fc4d258ba50cbfeca&it=4&iv=07dc997086b1138daefa2b3fc3b9d2d94e5c6e8043e7b42501c5579aa80863dd">
<img style="display:none; overflow:hidden" width="1" height="1" border="0" src="https://pippio.com/api/sync?pid=8483&_=5&it=4&iv=f7e6a0cd4674c4340485dba9d58e9313&it=4&iv=18cc016db9ea68f0df92662fc4d258ba50cbfeca&it=4&iv=07dc997086b1138daefa2b3fc3b9d2d94e5c6e8043e7b42501c5579aa80863dd">
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