Bug report #20514

error of qgis 3.41 Raster>Conversion>Polygonize(raster to vector)

Added by kevin huang over 1 year ago. Updated over 1 year ago.

Status:Closed
Priority:High
Assignee:-
Category:Processing/GDAL
Affected QGIS version:3.4.1 Regression?:Yes
Operating System:win10 64bit Easy fix?:No
Pull Request or Patch supplied:No Resolution:no timely feedback
Crashes QGIS or corrupts data:Yes Copied to github as #:28334

Description

I want copy some drawing in a old map to qgis
To do this
1: I turn aaa.jpg(old map) into bbb.png (export georeferenced raster) through freehand raster georeferencer plugin
2: Add raster ayer bbb.png then "Raster>Conversion>Polygonize(raster to vector)" ---default run
3: Execution failed

error:

GDAL command output:
Traceback (most recent call last):
File "D:/PROGRA~3/QGIS3~1.4/apps/qgis/./python/plugins\processing\algs\gdal\GdalAlgorithm.py", line 133, in processAlgorithm
GdalUtils.runGdal(commands, feedback)
File "D:/PROGRA~3/QGIS3~1.4/apps/qgis/./python/plugins\processing\algs\gdal\GdalUtils.py", line 110, in runGdal
for line in proc.stdout:
File "D:\PROGRA~3\QGIS3~1.4\apps\Python37\lib\codecs.py", line 322, in decode
(result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xd5 in position 487: invalid continuation byte

Execution failed after 0.53 seconds

图片20181116145224.jpg - Information of bbb.png (97.7 KB) kevin huang, 2018-11-16 07:52 AM

图片20181116145508.jpg - log of polygonize (138 KB) kevin huang, 2018-11-16 07:54 AM

图片20181116181539.jpg - qgis 2.18 become "not responding" (269 KB) kevin huang, 2018-11-16 11:16 AM

图片20181116182950.jpg (449 KB) kevin huang, 2018-11-16 11:31 AM

History

#2 Updated by Giovanni Manghi over 1 year ago

  • Status changed from Open to Feedback

Does the path (or file name) of the input contain any special char?

#3 Updated by kevin huang over 1 year ago

Giovanni Manghi wrote:

Does the path (or file name) of the input contain any special char?

Thank your attention
no special char:---C:\Users\zjhm\Desktop\bbb.png

#4 Updated by Giovanni Manghi over 1 year ago

Does it work ok in 2.18?

#5 Updated by kevin huang over 1 year ago

Giovanni Manghi wrote:

Does it work ok in 2.18?

I just do same action in 2.18

qgis 2.18 become "not responding" as 图片20181116181539.jpg

#6 Updated by kevin huang over 1 year ago

Giovanni Manghi wrote:

Does it work ok in 2.18?

now it finished work ok in 2.18

#7 Updated by Giovanni Manghi over 1 year ago

  • Crashes QGIS or corrupts data changed from No to Yes
  • Status changed from Feedback to Open
  • Priority changed from Normal to High
  • Regression? changed from No to Yes

#8 Updated by Alexander Bruy over 1 year ago

  • Status changed from Open to Feedback

Please test with 3.4/master

#9 Updated by Alexander Bruy over 1 year ago

  • Status changed from Feedback to Closed
  • Resolution set to no timely feedback

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