All Questions
7 questions
0
votes
1
answer
31
views
Migrate projects and information from QGIS 2.x to QGIS 3.x [closed]
How can I migrate projects and information from QGIS 2.x to QGIS 3.x?
I can't find much documentation about it, it is from the QGIS version 2.18 to the current 3.34
What things must be taken into ...
2
votes
1
answer
421
views
Creating an Action in QGIS with multiple Expression?
I want to create an action in QGIS with multiple Expression. But unable to do so. I want to open images from two different directories with one action. Is it possible? How can I do so?
e.g.
Type : ...
- 21
2
votes
0
answers
259
views
Updating set of attributes on vector layer from .csv table?
I have over 1,000 records in a .shp file, all with a unique ID field (LINKID), along with many other fields containing data (TXTFLD1, TXTFLD2, INTFLD1, INTFLD2, etc).
These records have been copied ...
4
votes
1
answer
848
views
How to create a valid QgsVectorLayer from a PostgreSQL view?
I am attempting to create a QgsVectorLayer with the same code as I am using for a PostgreSQL table, which works correctly and the isValid() method on the layer returns true.
uri=QgsDataSourceUri()
...
- 14.7k
1
vote
1
answer
2k
views
UBUNTU 16.04, QGIS 3.4 above Installation problem
I want to install QGIS 3.4 above and did exactly the same as this page:
QGIS Installers
and tried the codes below having no error at all:
(1) add the following lines to /etc/apt/sources.list
deb ...
7
votes
1
answer
4k
views
Add PostGIS layer to QGIS via Python Console
How can I add a PostGIS layer to QGIS via the Python Console?
With some server setups, especially with a large number of tables, it can be very slow to load the list of layers via the Browser or Data ...
- 872
1
vote
1
answer
236
views
QGIS2 Plugin Replacement for Join Attributes by Location
I am using QGIS (ver2.18.22) to join 2 layers (polygons) at intersections to derive some summary statistics into the join layer ("Grid" layer). The "Grid" layer is assembled by using Create Grid, and ...
- 47