[GRASS-user] Re: r.terraflow usage (segfault)

[Massimo Di Stefano]

Hi,

i see the updated description in the help page,
so i tried the same command :

r.terraflow elev=elevation.10m filled=elevation10m.filled  
dir=elevation10m.mfdir swatershed=elevation10m.watershed  
accumulation=elevation10m.accu tci=elevation10m.tci

it works fine using an old binary installation (grass-6.3.app)
but tring to do the same using grass-6.4.svn.app compiled from source
or using a linux (ubuntu 8.04 32/64 bit) compiled from the grass6- 
devel svn source,
i have :


GRASS 6.4.svn (spearfish60):~ > g.region rast=elevation.10m -ap
projection: 1 (UTM)
zone:       13
datum:      nad27
ellipsoid:  clark66
north:      4928000
south:      4914020
west:       590010
east:       609000
nsres:      10
ewres:      10
rows:       1398
cols:       1899
cells:      2654802
GRASS 6.4.svn (spearfish60):~ > r.terraflow elev=elevation.10m  
filled=elevation10m.filled dir=elevation10m.mfdir  
swatershed=elevation10m.watershed accumulation=elevation10m.accu  
tci=elevation10m.tci
Bus error
GRASS 6.4.svn (spearfish60):~ >





these the OSX console log :

Process:         r.terraflow [16437]
Path:            /Applications/GRASS-6.4.app/Contents/MacOS/bin/ 
r.terraflow
Identifier:      r.terraflow
Version:         ??? (???)
Code Type:       X86 (Native)
Parent Process:  bash [16163]

Date/Time:       2008-11-14 10:41:23.516 +0100
OS Version:      Mac OS X 10.5.5 (9F33)
Report Version:  6

Exception Type:  EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000024
Crashed Thread:  0

Thread 0 Crashed:
0   r.terraflow                   	0x00001f3d check_header(char*) + 133
1   r.terraflow                   	0x00002188 check_args() + 328
2   r.terraflow                   	0x00002cb8 main + 172
3   r.terraflow                   	0x00001a32 start + 54

Thread 0 crashed with X86 Thread State (32-bit):
   eax: 0x00000000  ebx: 0x00001ec7  ecx: 0x00124000  edx: 0x00000000
   edi: 0x00000000  esi: 0x00000000  ebp: 0xbfffd828  esp: 0xbfffd780
    ss: 0x0000001f  efl: 0x00010246  eip: 0x00001f3d   cs: 0x00000017
    ds: 0x0000001f   es: 0x0000001f   fs: 0x00000000   gs: 0x00000037
   cr2: 0x00000024

Binary Images:
     0x1000 -    0x89ff7 +r.terraflow ??? (???)  
<e72f561560ddefdfa2cc2cc30288ddab> /Applications/GRASS-6.4.app/ 
Contents/MacOS/bin/r.terraflow
    0xbf000 -   0x105fe7 +libgrass_gis.dylib ??? (???)  
<ada5fc28d9c3cf41867eb0115c207529> /Applications/GRASS-6.4.app/ 
Contents/MacOS/lib/libgrass_gis.dylib
   0x119000 -   0x11efff +libgrass_datetime.dylib ??? (???)  
<61c40a4de3dad8e3661efbb77e2ed076> /Applications/GRASS-6.4.app/ 
Contents/MacOS/lib/libgrass_datetime.dylib
0x8fe00000 - 0x8fe2da53  dyld 96.2 (???)  
<7af47d3b00b2268947563c7fa8c59a07> /usr/lib/dyld
0x90d71000 - 0x90d78fe9  libgcc_s.1.dylib ??? (???)  
<f53c808e87d1184c0f9df63aef53ce0b> /usr/lib/libgcc_s.1.dylib
0x90dd6000 - 0x90f36ff3  libSystem.B.dylib ??? (???)  
<a12f397abf2285077b89bd726bff5b18> /usr/lib/libSystem.B.dylib
0x91539000 - 0x9153dfff  libmathCommon.A.dylib ??? (???) /usr/lib/ 
system/libmathCommon.A.dylib
0x9153e000 - 0x9154cffd  libz.1.dylib ??? (???)  
<5ddd8539ae2ebfd8e7cc1c57525385c7> /usr/lib/libz.1.dylib
0x91d50000 - 0x91dadffb  libstdc++.6.dylib ??? (???)  
<04b812dcec670daa8b7d2852ab14be60> /usr/lib/libstdc++.6.dylib
0xffff0000 - 0xffff1780  libSystem.B.dylib ??? (???) /usr/lib/ 
libSystem.B.dylib



so there is something wrong im my grass64 :-/
but at the end of the make process, i don't see any errors
(just one about nviz to run wx-nviz as command line)


> Hi
>
> i'm tring to use "r.terraflow"
>
> following the help page i see :
>
> r.terraflow elev=spearfish filled=spearfish-filled \
>     dir=spearfish-mfdir swatershed=spearfish-watershed \
>     accumulation=spearfish-accu tci=spearfish-tci
>
>
> but i can't find any "spearfish" elevation data in the spearfish  
> dataset
> so i used elevation.dem insted, but i've a segfault :-/
>
> i tried with different locatiuon too, using:
> as data input an elevetion model (230m resolution)
> in a wgs84 UTM 33 N location
>
> but i have segfault again....
>
> mybe my knowledge of the r.terraflow application is not so good, and
> i'm missing something to prepare the input data ?
>
> i tried the same step having the same results
> on a grass64 svn builded from source on different platforms
> (ubuntu 8.04 32 bit , osx 10.5)
>
>
> thanks for any help!
>
> regards,
>
> Massimo Di Stefano.

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