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Indicates questions asking about the use and meaning of specific technical words in GIS.

3 votes
2 answers
84 views

What does n-D stand for in the following operator definitions?

PostGIS shows a listing of operators that make reference to n-D &&& — Returns TRUE if A's n-D bounding box intersects B's n-D bounding box. &&&(gidx,geometry) — Returns TRUE if a n-D float precision …
Evan Carroll's user avatar
  • 7,119
8 votes
1 answer
146 views

What does "correctly noded" mean?

I've never seen this term, and I'm wondering what it means, with regard to ST_Polygonize NOTE: Input linework must be correctly noded for this function to work properly
Evan Carroll's user avatar
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