[Qgis-user] Help in Field Calculator

[Martin Weis]

Hi,

Am 04.04.2018 um 14:27 schrieb Daniel Alejandro Montecinos Rubilar:
> What I try to do is then updated columns in a data layer with
> another layer. For example , I have two layers A = Poligono , B =
> Points . The layer B contains real values. Then would do two things.
> 1. Count how many points of the layers B are within the layer A. 2.
> From the points of the layer B that are within the polygon layer A, I
> need the sum of their values ​​and paste this sum in a column of
> created layer

"Count points in polygon" (Vector->analysis tools) and "Join attributes
by location" (Processing toolbox->vector general tools) are the
operations you seem to be looking for.