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Keep only vector layer file path when calling an OTB algorithm

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Julien Cabieces 2020-12-01 16:13:37 +01:00 committed by Nyall Dawson
parent 454c4f6eba
commit 5c19845d32
1 changed files with 14 additions and 2 deletions
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16
python/plugins/processing/algs/otb/OtbAlgorithm.py
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@ -47,7 +47,8 @@ from qgis.core import (Qgis,
QgsProcessingParameterVectorDestination,
QgsProcessingParameterEnum,
QgsProcessingParameterBand,
QgsProcessingParameterField)
QgsProcessingParameterField,
QgsProviderRegistry)
from processing.core.parameters import getParameterFromString
from processing.algs.otb.OtbChoiceWidget import OtbParameterChoice
@ -283,9 +284,20 @@ class OtbAlgorithm(QgsProcessingAlgorithm):
def getLayerSource(self, name, layer):
providerName = layer.dataProvider().name()
# TODO: add other provider support in OTB, eg: memory
if providerName in ['ogr', 'gdal']:
if providerName == 'gdal':
return layer.source()
elif providerName == 'ogr':
# when a file contains several layer we pass only the file path to OTB
# TODO make OTB able to take a layer index in this case
uriElements = QgsProviderRegistry.instance().decodeUri("ogr", layer.source())
if 'path' not in uriElements:
raise QgsProcessingException(
self.tr("Invalid layer source '{}'. Missing valid 'path' element".format(layer.source())))
return uriElements['path']
else:
raise QgsProcessingException(
self.tr("OTB currently support only gdal and ogr provider. Parameter '{}' uses '{}' provider".format(name, providerName)))