I am playing around with data entry options and wondered if I can use the
graphical modeller to add data, e.g. x y coordinates as live input not from
a file. Can the data entry be saved as variable which can then be used in
the make polygon expression?
Cheers Grant
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Buongiorno a tutti,
il mio problema è molto semplice da un raster (singola banda) voglio estrarre
solo i valori dei pixel che soddisfano a determinate condizioni e produrre un
point layer. Io ho risolto in questo modo:
1) generato una mask con calcolatore di campi
2) con gdal2xyz.py
Dear Jörg,
I'm using QGIS 3.16 and 3.10 on Windows 7 and Window 10 systems both
localized in Italian with the comma "," as decimal separator but I cannot
replicate your issue: the multilineHeight property is written in the qgs
project file file with the dot "." as decimal separator and thus
Grant Boxer wrote
> add four coordinate points to create a rectangle/polygon. What algorithm
> do I use
> to go from four x y coordinate points entered as x1, y1, x2, y2 etc
Hi Grant,
a similar problem was discussed a couple of days ago in this same mailing
list.
You could find here
As a variation on this...
You can create 'virtual layers' in QGIS, see:
https://docs.qgis.org/3.16/en/docs/user_manual/managing_data_source/create_layers.html?highlight=virtual#creating-virtual-layers
In attached zip file (a csv+a project file),
I created a csv with 4 records with (just) 2
Hi,
the factor for multilineHeight (xml path: /qgis/projectlayers/maplayer/labeling/settings/text-style) is lost if the
project file is read in again after writing. The problem occured with decimal separator set to "," in Windows.
One can fix the problem by:
1. manually by editing the
Hallo zusammen,
in QGIS 3.16.1. hat das Werkzeug "Aggregieren" Fehlermeldungen erzeugt, die in Version 3.14.16 noch nicht auftraten. Ich
hatte einige Attribute auf "first_value" bzw. "count" eingestellt und einige ganz gelöscht. Die Fehlermeldung bezog sich
auf einen dieser gelöschten Layer.
