this bug's URL: http://intevation.de/rt/webrt?serial_num=900
-------------------------------------------------------------------------
Markus
when you give it both curvatures it runs, when you give it only pc curvature
it crashes. So this looks as another unfinished enhancement and genuine bug. I do
not have time to look at
it untill Feb.1, but somebody else may be able to fix it (and add the colortable
from rst too).
Helena
GRASS:~ > r.slope.aspect bh02dec01.t800 slope=slp.test aspect=asp.test pcur=pc.test
percent complete: Segmentation fault (core dumped)
GRASS:~ > r.slope.aspect bh02dec01.t800 slope=slp.test aspect=asp.test pcur=pc.test
tcur=tc.test
percent complete: 100%
CREATING SUPPORT FILES
ELEVATION PRODUCTS for mapset [helena] in [jockey-state]
min computed aspect 0.0019 max computed aspect 359.9997
Color table for [asp.test] set to aspect
ASPECT [asp.test] COMPLETE
min computed slope 0.0000 max computed slope 9.9895
SLOPE [slp.test] COMPLETE
PROFILE CURVE [pc.test] COMPLETE
TANGENTIAL CURVE [tc.test] COMPLETE
--------------------------------------
Neteler wrote:
(cc RT)
On Fri, Jan 18, 2002 at 11:09:36AM -0500, Helena Mitasova wrote:
> Markus
>
> I used r.slope.aspect for curvatures quite a bit and did not have a problem
> (except that it does not write the custom color table as the rst programs do
> which is annoying)
> - I will test it too, but I want to ask whether you had a mask set, because I
> might not have used it with a mask.
> Helena...no, I didn't:
GRASS:~ >g.list rast |grep MASK
GRASS:~ >It can be even replicated with the Spearfish data.
Markus
>
> (If you are computing it to visualize the waves along contours, I am covering
> that in the applications, so do not worry about that right now)
>
> Neteler wrote:
>
> > Hi,
> >
> > today we realized a nice crash of r.slope.aspect:
> >
> > r.slope.aspect elev pc=z.rsa.pcurf
> > percent complete: Segmentation fault (core dumped)
> >
> > If you try the spearfish data:
> > r.slope.aspect elevation.dem pc=z.rsa.pcurf
> > percent complete: Segmentation fault (core dumped)
> >
> > The debugger tells us that there is something strange in
> > libes/gis/null_data.c
> > Program received signal SIGSEGV, Segmentation fault.
> > 0x8056635 in G_set_f_null_value (fcellVals=0x0, numVals=1) at null_val.c:295
> > /ssi0/ssi/neteler/cvsgrass/src/libes/gis/null_val.c:295:9157:beg:0x8056635
> > (gdb)
> >
> > Unfortunately this doesn't tell me anything? Probably the NULL
> > implemenation is weird in null_val.c?
> >
> > To our surprise the aspect/slope calculation runs well.
> >
> > It would be nice to have that fixed...
> >
> > Thanks,
> >
> > Markus
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Subject: Re: [GRASS5] r.slope.aspect crash - libes/gis/null_data.c
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