Details Ticket 970


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Serial Number 970
Subject nviz cutting planes freeze
Area bug
Queue grass
Requestors hmitaso@unity.ncsu.edu
Owner none
Status resolved
Last User Contact Wed Aug 13 15:22:54 2003 (5 yr ago)
Current Priority 30
Final Priority 70
Due No date assigned
Last Action Wed Aug 13 15:22:57 2003 (5 yr ago)
Created Fri Mar 15 17:04:21 2002 (6 yr ago)

Transaction History Ticket 970


Fri, Mar 15 2002 17:04:21    Request created by guest  
Subject: nviz cutting planes freeze

Platform: Linux/Intel
Linux distro: RedHat
linux cpu: Intel (i486, i586, pentium ...)
Xwindows version: Xfree 4.0.x
Xwindows manager: GNOME
TclTk version: tcl/tk 8.3
grass downloaded at: Trento site
grass binary for platform: I compiled the sources myself
c compiler name: gcc

nviz freezes when cutting plane is on and an additional surface is added (for
example there are two surfaces and one cutting plane and I do New surface, add
a constant, it creates it and then nviz freezes all its windows - graphical and
all menus)

The fix may be complicated, because there is obviously a problem to apply the
cutting
plane to newly created surface. Quick fix may be just to give a message to user
that new 
surface cannot be added when cutting planes are on.

Helena
Sat, Mar 16 2002 06:25:50    Mail sent by glynn.clements@virgin.net  
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From Glynn Clements <glynn.clements@virgin.net>
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Date Sat, 16 Mar 2002 05:25:07 +0000
To Request Tracker <grass-bugs@intevation.de>
Cc grass5@grass.itc.it
Subject Re: [GRASS5] [bug #970] (grass) nviz cutting planes freeze
In-Reply-To <20020315160421.AE006139C9@lists.intevation.de>
References <20020315160421.AE006139C9@lists.intevation.de>
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Request Tracker wrote:

> Subject: nviz cutting planes freeze

> nviz freezes when cutting plane is on and an additional surface is
> added (for example there are two surfaces and one cutting plane and I
> do New surface, add a constant, it creates it and then nviz freezes
> all its windows - graphical and all menus)
> 
> The fix may be complicated, because there is obviously a problem to
> apply the cutting plane to newly created surface. Quick fix may be
> just to give a message to user that new surface cannot be added when
> cutting planes are on.

I can't reproduce the problem. Can you provide a specific test case? 
Also, are you using software OpenGL, or a hardware-specific version? 
(what does "glxinfo" say?)

-- 
Glynn Clements <glynn.clements@virgin.net>


Tue, Aug 27 2002 03:03:04    Comments added by guest  
Cc: grass5@grass.itc.it

I think that I was able to narrow down the problem to the following:
When using cutting planes and switching on the bottom (B) coloring
button, all displayed (and cut) surfaces must have the same resolution,
if at least one has a different resolution, nviz crashes quite violently.
This is not a high priority, so it can wait for 5.0.1. It may be enough
just to give the user a message to change all resolutions to be the same
(rather than crash). This also explains why it was freezing or crashing
when a new surface was loaded, as it is usually loaded at lower resolution.
Also it will probably crash when T or mixed color button is on, but I haven't
tried it.

Helena

child killed: segmentation violation
    while executing
"exec /usr/local/grass5/etc/nviz2.2/NVWISH2.2 -f
/usr/local/grass5/etc/nviz2.2/scripts/nviz2.2_script
rtkmayan160.02t200.5m,rtkdecan160.02t200.5m -name..."
    ("eval" body line 1)
    invoked from within
"eval exec $env(GISBASE)/etc/nviz2.2/NVWISH2.2 -f
$env(GISBASE)/etc/nviz2.2/scripts/nviz2.2_script $argv -name NVIZ >&@stdout"
invoked from within
"if {$argv == ""} {
#no arguments
eval exec $env(GISBASE)/etc/nviz2.2/NVWISH2.2 -f
$env(GISBASE)/etc/nviz2.2/scripts/nviz2.2_script -name NVIZ >&@stdo..."
    (file "/usr/local/grass5/bin/nviz" line 13)
at.
Tue, Oct 8 2002 09:52:10    Mail sent by mneteler  
Helena,

is the problem fixed with the latest version from Bob (9/2002)?

Markus
Wed, Aug 13 2003 15:22:54    Mail sent by mneteler  
The recent updates should have fixed the problem

Markus
Wed, Aug 13 2003 15:22:57    Status changed to resolved by mneteler  
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