[Qgis-user] spatial filter for value relation editing wigdet

[Paulius Litvinas]

Hello,

 

I want to as if is there a way to use geometry properties of both tables in
value relation widget filter? I mean to use selected object's geometry  and
value related objects geometry in value relation widget filter.

 

I have water supply network (lines) and water supply network manholes
(points). For value relation I want to filter and in selection combobox show
only those manholes who are on watter line.

 

I tried many ways but looks like there is no way to get selected line's
$geometry value in  value relation widget filter.

 

Maybe someone has any ideas or hints?

 

Sincerely,

Paulius 

 

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