Hello everyone
I am not sure how to close a request to you again.
Meanwhile I found the error in the code section myself. The names of the parameters are not e.g. 'AVG ' as specified in the QGIS module logfile, instead they are 'AVG ' (note the long 13 space after the G) as specified in the QGIS history.
Hence the correct code for this module would be as follows:
processing.run("saga:pointstatisticsforpolygons", {'POINTS':'C:/[...]Test_points.shp','POLYGONS':'C:/[...]/Test_Polygons.shp','FIELDS':'VALUE','FIELD_NAME':3,'SUM ':True,'AVG ':True,'VAR ':True,'DEV ':True,'MIN ':True,'MAX ':True,'NUM ':True,'STATISTICS':'C:/[...]/Test_Output.shp'})
Best,
Anna
Gesendet: Dienstag, 08. November 2022 um 13:17 Uhr
Von: "QGIS4you2--- via Qgis-user" <[email protected]>
An: [email protected]
Betreff: [Qgis-user] Parameter Inputs (False/True) for SAGA: 'Point statistics for polygon' module is not passed correctly in QGIS python console
Von: "QGIS4you2--- via Qgis-user" <[email protected]>
An: [email protected]
Betreff: [Qgis-user] Parameter Inputs (False/True) for SAGA: 'Point statistics for polygon' module is not passed correctly in QGIS python console
Hello everyone
I work mostly with QGIS 3.18 (SAGA 2.3.2), but the problem also exists in QGIS 3.22 (SAGA 7.8.2) and QGIS 3.28 (SAGA 7.8.2).
If I run the SAGA module 'Point statistics for polygon' via the QGIS Processing Toolbox and check the calculation of Sum, Mean (= AVG), Variance (= VAR), Deviation (= DEV), Minimum, Maximum and Count (= NUM), these values are displayed in the output shp file.
If I do the same with the Python Console (same settings, same layer, same output layer) the inputs (True/False) for Sum, Mean, Variance, Deviation, Minimum, Maximum and Count are ignored and just the SAGA default setting (AVG = True, everything else = False) is executed for this module. Furthermore, the command is executed without error.
My Python code:
Note: For clarity, I shortened below the file paths with [...].
>>>from qgis import processing
>>>processing.run('saga:pointstatisticsforpolygons', {'AVG ' : True, 'DEV ' : True, 'FIELDS' : 'VALUE', 'FIELD_NAME' : 3, 'MAX ' : True, 'MIN ' : True, 'NUM ' : True, 'POINTS' : 'C:/[...]Test_points.shp', 'POLYGONS' : 'C:/[...]/Test_Polygons.shp', 'STATISTICS' : 'C:/[...]/Test_Output.shp', 'SUM ' : True, 'VAR ' : True})
Does anyone have an idea what the reason for this behavior could be? And how can I solve this problem? (Other modules (non-SAGA) are executed correctly via the Python Console).
If not, is there a way to change the default setting in SAGA?
Thanks for your help.
Anna
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