[GRASS-dev] [GRASS GIS] #2919: Use SFD above this threshold - infinity doesn't work in r.stream.extract
GRASS GIS
trac at osgeo.org
Fri Jun 26 05:15:27 PDT 2020
#2919: Use SFD above this threshold - infinity doesn't work in r.stream.extract
----------------------+---------------------------------
Reporter: PitStop | Owner: grass-dev@…
Type: defect | Status: new
Priority: normal | Milestone: 7.8.3
Component: Raster | Version: git-releasebranch78
Resolution: | Keywords: r.stream.extract
CPU: x86-64 | Platform: MSWindows 8
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Comment (by hellik):
some background information:
https://sourceforge.net/p/mingw/bugs/2358/
{{{
[...]
You are using Microsoft's implementation of scanf(), (because that is all
that MinGW has ever used for this function, and its siblings), so the
behaviour is as Microsoft have specified it, (and there appears to be
nothing in their documentation to suggest how infinities and nans might be
converted,
[...]
You may consider Microsoft's implementation to be broken -- and you may
well be right -- but good luck with trying to get them to acknowledge
that, much less fix it.
}}}
AFAIR there was also some discussion some times ago how winGRASS (not)
handling NaN in raster data. (can't find ticket or thread at the moment).
--
Ticket URL: <https://trac.osgeo.org/grass/ticket/2919#comment:17>
GRASS GIS <https://grass.osgeo.org>
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