Comments (8)
neteler
commented on May 19, 2024
Confirmed also for master.
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petrasovaa
commented on May 19, 2024
I can't reproduce it, which is not a big surprise. Maybe it happens with a particular vector you could share?
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neteler
commented on May 19, 2024
I have stored the vector map here as a "pack" file (EPSG 4326):
https://data.neteler.org/tmp/high_low_suitable_Europe.pack
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tmszi
commented on May 19, 2024
I confirm this bug (tested with santana3a_high_low_suitable_Europe vector map layer)
Error message (star editting):
Traceback (most recent call last):
File "/usr/lib64/grass79/gui/wxpython/mapwin/buffered.py",
line 593, in OnPaint
self.pdcVector.DrawToDCClipped(gcdc, rgn)
wx._core
.
wxAssertionError
:
C++ assertion "n > 1" failed at /var/tmp/portage/x11-libs/wx
GTK-3.0.4-r302/work/wxWidgets-3.0.4/src/common/graphcmn.cpp(
742) in StrokeLines():
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neteler
commented on May 19, 2024
Still the case in current master:
GRASS version: 7.9.dev
Code revision: 64527a73f
Build date: 2020-08-06
Build platform: x86_64-pc-linux-gnu
GDAL: 3.0.4
PROJ: 6.3.2
GEOS: 3.8.1
SQLite: 3.32.3
Python: 3.8.5
wxPython: 4.0.7
Platform: Linux-5.6.16-300.fc32.x86_64-x86_64-with-glibc2.2.5
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tmszi
commented on May 19, 2024
Additional info:
If I zoom into santana3a_high_low_suitable_Europe vector map layer, and start editing after that, editing work correctly. If I zoom out or move/pan to problematic part of vector topology during editing I got same error message as mentioned above and render maps stop (same screenshot).
v.build -e map=santana3a_high_low_suitable_Europe
Building topology for vector map <santana3a_high_low_suitable_Europe@PERMANENT>...
Registering primitives...
Building areas...
100%
Attaching islands...
100%
Attaching centroids...
100%
WARNING: Number of incorrect boundaries: 66
WARNING: Number of centroids outside area: 1
Checking for topological errors...
WARNING: Number of boundaries of length zero: 2
ERROR: Intersection with points is not yet supported
Problematic is WARNING: Number of boundaries of length zero: 2.
After clean vector map, editing work correctly.
v.clean input=santana3a_high_low_suitable_Europe@PERMANENT output=santana3a_high_low_suitable_Europe_clean type=line,boundary tool=rmline thres=0.00
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neteler
commented on May 19, 2024
Great, PR #911 solves it nicely:
... "Yes" leads to:
Thanks, @tmszi !
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petrasovaa
commented on May 19, 2024
Fixed in #1989, it is in main and 8.0 branch now.
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