Details Ticket 1709


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Serial Number 1709
Subject problem with r.spread
Area bug
Queue grass
Requestors dirk.dennig@gmx.de
Owner none
Status resolved
Last User Contact Tue Mar 11 10:40:42 2003 (5 yr ago)
Current Priority 30
Final Priority 70
Due No date assigned
Last Action Tue Mar 11 10:40:42 2003 (5 yr ago)
Created Mon Mar 3 09:27:06 2003 (5 yr ago)

Transaction History Ticket 1709


Mon, Mar 3 2003 09:27:06    Request created by guest  
Subject: problem with r.spread

Platform: GNU/Linux/i386
grass obtained from: Mirror of Trento site
grass binary for platform: Downloaded precompiled Binaries
GRASS Version: 5.0.0_i686-pc-linux

I am a new GRASS user. My binary Grass 5.0 was downloaded from the University
Hannover server and is running on Linux Red Hat 8.0. My computer is a Laptop
PC, 256 MB RAM.
The program is running - I did some tutorials and everything worked fine, except
r.spread.
I am using this program to study fire simulations. To learn how all this is working
in GRASS I downloaded the fire simulation package from the GRASS server. There
is a script called firedemo.sh. When I run it, it gives a segmentation fault,
after it passed the r.spread function. This also happens, when I run only the
r.spread program.
I don't know any C yet, so it is very time consuming to find out, where the problem
is. It seems like "replaceHa()" it called a couple of times and than stops with
a seg fault.
I can attach a message from gdb.

100%

Reading inputs ... 100%
Reading fire_origin ...  100%
Finding spread time - number of cells visited in percentage ...    0%(no debugging
symbols found)...(no debugging symbols found)...
Program received signal SIGSEGV, Segmentation fault.
0x0804cd50 in replaceHa () 
I know somebody else trying to work with r.spread as well. She had the same problem
as me. The odd thing is, she said r.spread worked on the windows port. The windows
port is not running on my machine (OS: Windows 2000), but that is another story...
I hope the provided information is sufficient enough to understand my problem.
Regards,
Dirk 
Tue, Mar 11 2003 10:40:20    Status changed to resolved by mneteler  
Tue, Mar 11 2003 10:40:42    Mail sent by mneteler  
Resolved in CVS by Eric Miller.
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