[QGIS-Developer] QgsProcessingAlgorithm: no output layer when cancelled
Nils Nolde
nilsnolde at gmail.com
Mon Jul 22 00:41:15 PDT 2019
Hola,
running into 2 notorious problems with the ORS Tools plugin:
1. QgsProcessingAlgorithm, where it doesn't return the features which
were processed until the user presses Cancel. More elaborate on SE:
https://gis.stackexchange.com/questions/328913/pyqgis-qgsprocessingalgorithm-no-output-layer-when-cancelled
2. Another, more subtle, behavior when someone uses the batch processing
algorithms for ORS Tools plugin like so:
- save result as .shp or .gpkg instead of memory layer
- user exceeds our minutely query limit (usually 40 queries/minute),
i.e. errors are printed, but internally NetworkAccessManager is just
sleeping until the minute is over and the limit is lifted
- when all is done, the resulting layer is empty. However, when using
memory layers instead, the results are available.
Thanks for any insight, running out of coffee soon..
Cheers
Nils
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