Timeline for ST_IsValid and duplicate vertex
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 19, 2021 at 16:47 | comment | added | dr_jts | The reference that I use is the OGC SFS 1.1. Sections 2.1.5 and 2.1.6 describe Curves and LineStrings. There is no explicit mention of repeated points, but my understanding is that they are allowed implicitly. This makes sense, because the specification is a topological definition, and repeated points do not affect topology. | |
| Jan 19, 2021 at 16:34 | comment | added | Jonas Olsen | @dr_jts I know its an old question, but do you remember where in the ogc documentation its stated repeated vertices are valid? even if its implicitly. | |
| Sep 10, 2019 at 6:08 | vote | accept | Jacopo Russo | ||
| Sep 9, 2019 at 11:39 | comment | added | Jacopo Russo | Thank You, It was very helpful! | |
| Sep 7, 2019 at 22:06 | history | answered | dr_jts | CC BY-SA 4.0 |