Re: [Qgis-user] [Modeller] How to calculate area in the graphical modeler of QGIS

*Andrea Giudiceandrea* /Mon Jan 30 10:02:47 PST 2023/ it seems to me there is no issue using the Field Calculator algorithm in the Model designer to calculate the area of polygon geometries, at least using the latest QGIS

Re: [Qgis-user] [Modeller] How to calculate area in the graphical modeler of QGIS

Hello Igor, I don't have qgis here to test, but... If I remember well, you need to change the parameter type from value to precalculated value. If not, try adding single quotes around the expression. Good luck, Alexandre Neto A segunda, 30/01/2023, 19:06, Igor Oliveira Ribeiro <

Re: [Qgis-user] [Modeller] How to calculate area in the graphical modeler of QGIS

*Igor Oliveira Ribeiro* /Mon Jan 30 05:13:49 PST 2023/ I tried using a field calculator ($area) and Advanced Python Field Calculator (Field "Formula", I used "value = $geom.area() ). However, nothing is working. Hi Igor,

Re: [Qgis-user] [Modeller] How to calculate area in the graphical modeler of QGIS

Hello Igor, Can you please explain what settings you have used in the field calculator dialog. A screenshot would be helpful. Alexandre Neto User Support alexandre.n...@qcooperative.net www.qcooperative.net [image: www.qcooperative.net] Igor Oliveira Ribeiro via

Re: [Qgis-user] [Modeller] How to calculate area in the graphical modeler of QGIS

Hi, may be it will be easier to use thhis algorithm: "Add geometry attributes" -> https://docs.qgis.org/3.10/en/docs/user_manual/processing_algs/qgis/vectorgeometry.html?highlight=exportaddgeometrycolumns#add-geometry-attributes best regards Stefan Am 30.01.2023 um 14:13 schrieb Igor

[Qgis-user] [Modeller] How to calculate area in the graphical modeler of QGIS

Hi community, I need your help. I'm using QGIS 3.10.11 with Grass 7.8.4. I'm building a QGIS modeler and I want to calculate the area of an input polygon. So, my input polygon is a vector feature. I tried using a field calculator ($area) and Advanced Python Field Calculator (Field "Formula", I