12 questions linked to/from Parallelising GIS operations in PyQGIS?
Porting Avenue code for Producing Building Shadows to ArcPy/Python for ArcGIS Desktop? [duplicate]
Whuber provided an answer at Producing building shadows using ArcGIS Desktop? which required using Avenue code. Any idea how to make it work in ArcGIS Desktop 10?
Accessing QGIS processing with PyQGIS
I want to access the explode lines function in Python outside of QGIS from a standalone script. What module do I have to load in order to use it? How can I access processing? from qgis.core import * ...
Python and QGIS multiprocessing documentation?
Where can we find better documention for python QGIS multiprocessing. Especially regarding the multiprocessing of python and QGIS.
Will core functions in QGIS exploit multi-threading?
After reading Enabling multithreaded processing in QGIS?, I was wondering if QGIS 2.6 will include this when running various processes. I checked online and I could only find that multi-threaded ...
Processing multiple files simultanously using python
I have 11000 point shapefiles to run Near tool on against another point shapefile. I am looking for a way to process 10 files at the same time. Is there a way to process so many files using Python ...
Clip, or intersect, lines to polygon with QGIS
On QGIS 2.16.2, I have a polygon layer of states and a line layer of streets. What I want is all streets that lie within a certain state, either as an additional attribute or as a sub-layer. In the ...
Is it possible to do parallel processing in GDAL and QGIS?
It seems like processing a large raster dataset in QGIS can cause a crash, for example in QGIS failing to complete clip or intersect and crash dump in qgis. Is it possible to use GDAL parallel ...
Multiprocessing error in QGIS with Python on Windows?
I have this error when I try to use Manager() from python multiprocessing library. (Just start QGIS open Python console and execute the two following lines) >>> import multiprocessing >&...
arcpy with multiprocessing throws "UnpickleableError: Cannot pickle <type 'geoprocessing Layer object'> objects"
I'm attempting to speed up a process which is currently running synchronously, by using the python multiprocessing module. I'm having trouble sending a feature layer to a function which is called by ...
How to run qgis scripts in parallel across remote server(s)
I have a stand alone python script using qgis that I wrote with the help of the SE question here The script takes three arguments being; an input file path, an output file path, and another input ...
Clip lines to grid using pyQgis
I have created a regular grid of (square) polygons using Processing->Create grid. I would now like to iterate over my grid squares and clip an underlying road network within each grid square. I can do ...
Why does the QgsFeatureIterator crash in my stand alone script?
I'm trying to write a standalone script in qgis 2.10 in ubuntu I have written a script which crashes when I run from bash but works fine from inside the qgis desktop environment. The script is: #!/...