sharpetronics/QGIS
1
0
Fork 0
mirror of https://github.com/qgis/QGIS.git synced 2025-03-01 00:46:20 -05:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #36731 from alexbruy/relief-results

Browse Source 
check return value from the QgsRelief and notify user about errors (fix #17452)
This commit is contained in:
Alexander Bruy 2020-05-26 15:02:16 +03:00 committed by GitHub
commit 2a2fe1e095
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 15 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
python/plugins/processing/algs/qgis/Relief.py
View File

@ -156,6 +156,20 @@ class Relief(QgisAlgorithm):
relief.setZFactor(zFactor)
if frequencyDistribution:
relief.exportFrequencyDistributionToCsv(frequencyDistribution)
relief.processRaster(feedback)
res = relief.processRaster(feedback)
if res == 1:
raise QgsProcessingException(self.tr('Can not open input file.'))
elif res == 2:
raise QgsProcessingException(self.tr('Can not get GDAL driver for output file.'))
elif res == 3:
raise QgsProcessingException(self.tr('Can not create output file.'))
elif res == 4:
raise QgsProcessingException(self.tr('Can not get input band.'))
elif res == 5:
raise QgsProcessingException(self.tr('Can not create output bands.'))
elif res == 6:
raise QgsProcessingException(self.tr('Output raster size is too small (at least 3 rows needed).'))
elif res == 7:
feedback.pushInfo(self.tr('Cancelled.'))
return {self.OUTPUT: outputFile, self.FREQUENCY_DISTRIBUTION: frequencyDistribution}