Questions tagged [st-split]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
1
vote
2answers
184 views

Removing longest segment of linestring and rejoining segments

I am trying to remove the segment that has the longest length from a linestring and join the two group of segments that remain by the shortest segment between them. That was easy, using ST_Difference (...
1
vote
0answers
40 views

ST_Split with ST_Dump returns multipart Linestring with additional Splits

I am trying to split a lingstring using another linestring as my blade. The line to be cut crosses over itself at different locations. (to_be_cut is linestring, not multilinestring) My query ...
4
votes
1answer
84 views

Splitting self-overlapping lines with points using PostGIS

I have a line geometry that partially overlaps itself (think about a line going A -> B -> C -> B -> D) and a set of points (not on the line but close to it) that I want to use to split the line in ...
2
votes
2answers
447 views

Splitting lines into basic segments at vertices with PostGIS?

I have a MultiLineString table in PostgreSQL and I am trying to obtain a table with all the segments obtained from those lines if we split them at their vertices. I have found this simple example, ...