Hello,
I need to programmatically render a velocity field. The closest example
that I was able to find is
https://opengislab.com/blog/2020/10/10/wind-vector-mapping-and-animation-in-qgis
although I don't need the animation feature. The problem is that, even
after reading the DeveloperCookbook, I'm
Hello,
I'm trying to install QGISv3.30 via conda (have tried miniconda and
anaconda) but, after installing QGIS and all dependencies, QGIS doesn't
find the GL library (I checked and it's not in any subdirectory)
(qgis_stable) ubuntu@ip-172-31-28-50:~$ qgis
qgis: error while loading shared librarie
,
Can you please share the outputs of the following commands (in your
qgis_stable environment)
conda list
And
conda info
Best regards,
Alexandre Neto
User Support
www.qcooperative.net <http://www.qcooperative.net>
A quarta, 22/03/2023, 20:02, afernandez via QGIS-User
mailto:qgis-user@lists.osg
list
And
conda info
Best regards,
Alexandre Neto
User Support
www.qcooperative.net <http://www.qcooperative.net>
A quarta, 22/03/2023, 20:02, afernandez via QGIS-User
mailto:qgis-user@lists.osgeo.org> > escreveu:
Hello,
I'm trying to install QGISv3.30 via conda (have tried minico
Hello,
I'm using the image exporter to create PNG files. Everything looks good but
the files must have a resolution of 1,200 pixels in the horizontal
direction. The snippet to create the image file reads:
exporter = QgsLayoutExporter(layout)
png_name = '/home/ubuntu/output/testing.png'
exporter.ex
Hello,
My code is using the following snippet to plot a vector layer:
vl = QgsVectorLayer("Point", "RadiusField", "memory")
pr = vl.dataProvider()
pr.addAttributes([QgsField("name", QVariant.String),
QgsField("radius", QVariant.Double)])
Hello,
I've been using QgsMarkerSymbol but I'd like to understand how to implement
QgsMarkerSymbolLayer. I followed the cookbook example (definingt the class
FooSymbolLayer) but I don't know how to use an object (defined by this
class). Is there any available example or could anyone share some
exp
I was looking for the one with the highest aspect ratio, which is 1080 x 1920
px and seems to be working well for my purposes. Thank you for the help. David
Strip wrote: On 2/25/2025 10:26 AM, afernandez via QGIS-User wrote: This tells
me that there're 32 preloaded pages but I still canno
Hello,I'm trying to figure out the available page sizes and their properties.
According to the API reference - QgsLayoutItemPage.setPageSize: "Sets the page
size to a known page size, e.g. “A4” and orientation. The known page sizes are
managed by QgsPageSizeRegistry. Valid page sizes can be retr
