Hi Stephen,
I asked a similar question at gis.stackexchange.com
(https://gis.stackexchange.com/questions/274144/passing-input-output-parameters-to-processing-scripts-using-qgis-3)
and I think we have to be patient. The documentation is work in
progress. I am sure processing tools will work like a charm, when we
will know how to use it;-)
Best
stefan
---
Mit freundlichen Grüßen
Stefan Giese
Projektleiter/Consultant
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Am 2018-03-21 17:46, schrieb Stephen Bosch:
Hello,
I am running QGIS 3.0.0 in Linux.
I'm trying to migrate some pyqgis code from 2.14 to 3.0 and
discovering the hard way that just about everything has changed :)
(Unfortunately, the docs haven't been updated yet and the API docs are
pretty sparse.)
Say I have this command, which worked in 2.x:
file_grid_r = processing.runalg("grass7:v.to.rast.value", grid_v, 0,
1, extent, 0.008333, -1, 0.000100, None)['output']
processing.runalg() doesn't exist anymore, apparently it was replaced
with processing.run(). However, this:
file_grid_r = processing.run("grass7:v.to.rast.value", grid_v, 0, 1,
extent, 0.008333, -1, 0.000100, None)['output']
does not work as expected. In the PyCharm debugger, I receive this
error message:
sys:1: ResourceWarning: unclosed <socket.socket fd=3,
family=AddressFamily.AF_INET, type=SocketKind.SOCK_STREAM, proto=0,
laddr=('127.0.0.1', 50386), raddr=('127.0.0.1', 40183)>
(If the command syntax is in fact correct, then perhaps the algorithm
is not accessible?)
My questions:
* Is there up-to-date console documentation for the Processing
toolbox somewhere?
* How can I get a listing of the available algorithms in the same
format as in 2.x?
* How do I convert the algorithm calls (processing.runalg) from 2.x
to 3.x?
Thanks
Stephen
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