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Questions tagged [geometry-by-expression]

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4 votes
1 answer
252 views

Dissolve consecutive touching lines segments where common value in QGIS

I am trying to dissolve the grey line layer where the field "dis" ( "anzahl" || '-' || "heizlast") has the same value and the segments are touching ( end_point touches ...
Denis Crîlov's user avatar
4 votes
1 answer
82 views

Error using aggregate funtions in QGIS Geometry by Expression tool

I am encountering an issue while trying to use the make_line function along with geometries_to_array in the Geometry by Expression tool in QGIS. The expression I'm using is as follows: make_line( ...
unknown123's user avatar
1 vote
1 answer
237 views

How to to create lines from points where the point attributes are transferred to the line segments?

Background: I need to create lines from points where the point attributes are transferred to the line segments. The screenshot below shows two point tracks. Each track's point has a unique id and an ...
Stu Smith's user avatar
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