Robert Osfield wrote:
Hi Paul,
On Wed, May 14, 2008 at 8:21 AM, Paul Melis [EMAIL PROTECTED] wrote:
I didn't manage to find out what is going on. The only different between
osgthirdpersonview (not working) and osgcompositeviewer (working) is that
the former uses separate windows to render
Gordon, thanks, that clears up the first part, a default Camera mask of
0x explains why any non-zero node mask is rendered.
I fear that also means, in the second question below, that the CastsShadow bit
_does_ need to be set for every parent along the nodepath. Otherwise, a
visitor
El Jueves 15 Mayo 2008ES 09:04:50 Paul Melis escribió:
The osgwindows example is also not working without troubles. Sometimes
it runs with no problems, but mostly it locks up in a similar way as
osgthirdpersonview. I attached with gdb after a lockup and the stack
traces for the different
Alberto Luaces wrote:
El Jueves 15 Mayo 2008ES 09:04:50 Paul Melis escribió:
The osgwindows example is also not working without troubles. Sometimes
it runs with no problems, but mostly it locks up in a similar way as
osgthirdpersonview. I attached with gdb after a lockup and the stack
El Jueves 15 Mayo 2008ES 09:56:36 Paul Melis escribió:
Paul,
what compiler are you using?
gcc 4.1.2, I believe (pretty sure it's one from the 4.1 series). Why,
are there known defects regarding threading?
Oh, I'm sorry. Somehow I thought you were using some Windows gcc version. Now
I
Alberto Luaces wrote:
El Jueves 15 Mayo 2008ES 09:56:36 Paul Melis escribió:
Paul,
what compiler are you using?
gcc 4.1.2, I believe (pretty sure it's one from the 4.1 series). Why,
are there known defects regarding threading?
Oh, I'm sorry. Somehow I thought you were using
Hi Ben,
I fear that also means, in the second question below, that the CastsShadow
bit _does_ need to be set for every parent along the nodepath. Otherwise,
a visitor recursive descent of the scene graph will quit as soon as it
encounters any node, like a Group or LOD, that does not have the
Hi Linh,
On Wed, May 14, 2008 at 8:20 PM, Linh Phan [EMAIL PROTECTED] wrote:
In VPB there isn't any support for substituting a custom value for
NoDataValue elements,
this could be added though.
That would be great if you can added to VPB. Please let me know when you
have it in so I can
Hi J-S,
On Wed, May 14, 2008 at 8:27 PM, Jean-Sébastien Guay
[EMAIL PROTECTED] wrote:
I'll do it, I'll do it! :-)
;-)
(seriously, it's one of the things I have to do in the next few days for our
own software, and I was planning on making it generic enough to factor out)
A few questions
Hi Venugopol,
I only have knowledge of the core OSG's osgviewerQT example, so can't
answer anything about Gazhihan's example. What problems do you have?
What platform are you working on?
Robert.
On Thu, May 15, 2008 at 4:14 AM, venugopal gudimetla
[EMAIL PROTECTED] wrote:
Hi,
I am a
El Jueves 15 Mayo 2008ES 11:00:41 Vincent Bourdier escribió:
Hi all,
After a look on the net and in the archive, I think nobody did it before,
but I prefer ask to earn time :
I need to do something like a stack or a list of actions to apply on the
scenegraph (FIFO stack if possible). I've a
Hi Alberto
I just need to control when I flush the stack, to synchonise with the
threads. A Callback would flush the stack (and so modify the graph) at the
same time of the callbacks which traverse the graph... It is dangerous.
I would stop the threads, flush my stack, and notify the threads to
Long time no see :-)
Using Osg 2.2.0.
WinXP, VisualStudio 2008.
I have a slight problem that I cant seem to get around.
We have a thread with a few OpenThread::Block, and in the destructor
of the thread we call block.release().
The thing is that the thread is still running when scope of main
Hi all,
After a look on the net and in the archive, I think nobody did it before,
but I prefer ask to earn time :
I need to do something like a stack or a list of actions to apply on the
scenegraph (FIFO stack if possible). I've a thread which will create the
actions to make, and I need to do
HI Paul,
On Thu, May 15, 2008 at 8:56 AM, Paul Melis [EMAIL PROTECTED] wrote:
gcc 4.1.2, I believe (pretty sure it's one from the 4.1 series). Why, are
there known defects regarding threading?
I'm using gcc-4.1.3 under Kubuntu with NVidia drivers, and certainly
don't see any threading
Hi Robert,
You said then you'll need to place a barrier in frame loop to half the
frame loop thread
I'm not sure to understand how I can do it, and what do you mean by half
the frame loop ??
Moreover, I need a stack, that will be re-used for an other way, so I think
I'll keep this idea. I
El Jueves 15 Mayo 2008ES 11:07:35 Miriam D'Elia escribió:
Hi,
what is the function equivalent of osgViewer addEventHandler () for
osgProducer?
You just add it (with push_back()) to the list returned by
osgViewer::getEventHandlers().
___
osg-users
On Thu, May 15, 2008 at 11:05 AM, [EMAIL PROTECTED] wrote:
how do we give emmisive property to an object in osg...in opengl it can be
done via material properties is there something similar to that in osg.
glMaterial - osg::Material
___
osg-users
Hi Vincent,
How much threading have you done before, i.e. how confident are you
about using threads, blocks and barriers? I asks this as I doubt no
how much to assume.
Robert.
On Thu, May 15, 2008 at 11:25 AM, Vincent Bourdier
[EMAIL PROTECTED] wrote:
Hi Robert,
You said then you'll need to
Robert Osfield wrote on Thursday 15 May 2008:
On Thu, May 15, 2008 at 10:59 AM, Zoltán
[EMAIL PROTECTED] wrote:
osgwindows works, see attached screenshot (It's quite
funny to see the same cow turn in 2 different windows,
if that is what it's supposed to do).
This type of set up is used
I'm not very familiar with threads, and no more with OpenThreads... but I
learn quickly if I understand.
But if I need to spend a week to understant and set it, I'd better make my
stack I think...
Vincent
2008/5/15 Robert Osfield [EMAIL PROTECTED]:
Hi Vincent,
How much threading have you
Hi Anders,
When managing threads one has to be very careful about destruction
order. The key is to make sure the the threads are stopped before any
objects they are operating on are deleted. Since you are off in your
own code that isn't much specifically that I and others can do to
help.
Hi Zoltan,
On Thu, May 15, 2008 at 10:59 AM, Zoltán [EMAIL PROTECTED] wrote:
osgwindows works, see attached screenshot (It's quite funny
to see the same cow turn in 2 different windows, if that is
what it's supposed to do).
osgwindows is written to allow you to move the windows about, whilst
Paul Melis wrote on Thursday 15 May 2008:
osgwindows works, see attached screenshot (It's quite
funny to see the same cow turn in 2 different windows,
if that is what it's supposed to do).
So you get no lockups of the example where it doesn't
redraw anymore? Interesting.
I can even have
On Thu, May 15, 2008 at 11:28 AM, Zoltán [EMAIL PROTECTED] wrote:
I'm writing a flight simulator, and one of the things I have
been thinking about is, one day, having multiple screens to
have a larger FOV. So yes, this is a very interresting
feature. Not sure yet how much overhead that brings.
Hi Vincent,
The OSG designed around the model of single threaded update,
multi-thread cull-draw. If you have others threads beyond the main
frame loop thread that is want to do updates then you'll need to place
a barrier in frame loop to half the frame loop thread while you
operations run, then
Hi,
Problem Summary: The calls to GDALRasterBand::RasterIO() in
vpd::SourceData::getInterpolatedValue() and
vpd::SourceData::readHeightField() returns no-data-values as 55537
instead of the correct - for gtopo30 data.
VPB: revision 911
OSG: revision 8321
GDAL version 1.5.1
The
On Thu, May 15, 2008 at 11:43 AM, Vincent Bourdier
[EMAIL PROTECTED] wrote:
I'm not very familiar with threads, and no more with OpenThreads... but I
learn quickly if I understand.
But if I need to spend a week to understant and set it, I'd better make my
stack I think...
Have a read through
Thanks for your help,
I'll try to look at it in details.
Regards,
Vincent.
2008/5/15 Robert Osfield [EMAIL PROTECTED]:
On Thu, May 15, 2008 at 11:43 AM, Vincent Bourdier
[EMAIL PROTECTED] wrote:
I'm not very familiar with threads, and no more with OpenThreads... but I
learn quickly if
Hi all,
I am working on a simulator visualisation using OSG. This visualisation
has some minor bugs producing an exception when loading a TEXTURED .obj
File OUTSIDE the osgviewer's field of view.
My problem seems to be a matter of thread-safety, because with
osgviewer's threading model set to
On Tue, May 13, 2008 at 11:11 AM, Paul Martz [EMAIL PROTECTED] wrote:
Hi Paul,
As JS, Ulrich and Philip has mentioned at present the
dependency checking code relies upon pkg-config, which isn't
standard under Windows. For Windows we'll need write our won
FindCario and FindRSVG.cmake
Adrian,
Example osgshadow --pssm -1 | -2 | -3 works (i see shadows moving correctly) on
Windows XP, NVidia GeForce 7800 GTX.
Cheers,
Wojtek
- Original Message -
From: Adrian Egli OpenSceneGraph (3D)
To: [EMAIL PROTECTED] ; OpenSceneGraph Users
Sent: Thursday, May 15, 2008
Hi John,
This sounds like a GDAL bug. Would it be possible for you to provide
links to the problematic data. I'd guess the GDAL team might like to
look at it as well.
Robert.
Robert.
On Thu, May 15, 2008 at 12:22 PM, John Vidar Larring
[EMAIL PROTECTED] wrote:
Hi,
Problem Summary: The
Hi Robert,
This sounds like a GDAL bug. Would it be possible for you to provide
links to the problematic data.
As far as I know this is just the standard GTOPO30 data from USGS. The
DEM files can be downloaded from:
http://edc.usgs.gov/products/elevation/gtopo30/gtopo30.html
I'd guess
Hi, Could anyone please help me? I tried examples on the OSG website and link
example but nothing semms to work. I am on Ubuntu Linux. Could anyone please
direct me/email me a working example to integrate QT4 with OSG? please help. I
just started using OSG.
Hi Venugopal,
I have already replied to you on this topic asking specifically what
problems you are having with the osgviewerQT example. I run Kubuntu
7.10 and am able to compile and run the osgviewerQT example without
problems. Howewever, I and no one else can do anything to help you
unless
Yes, that should do work.
If you already have the LowRes LODs loaded, you could also do:
osg::pagedLOD* pagedLod0 = new osg::pagedLOD;
pagedLod0-addChild(pagedLod0LowResChild);
pagedLod0-setFilename(1, pagedLod3Child0Filename);
group-addChild(pagedLod0);
Thanks Bryan. That method
Ok, it looks like the thread sort of dies when we leave the scope of
main. When I get to the atexit() callback, The only thread left is
Main Thread (running main()).
All other threads are not running any more (according to VisualStudio
and Task Manager).
However, querying the threads for
Hello Adrian,
Nice video, I suppose the different shadow colors are to show where the
split occurs?
please test this latest PSSM implementation (ATI, NVidia,..)
Which latest PSSM implementation? The one in OSG as of right now?
On my GeForce 8800 GTX, OSG from SVN (after 2.5.0)
osgshadow
Hi Adrian,
Example osgshadow --pssm -1 | -2 | -3 works (i see shadows moving
correctly) on Windows XP, NVidia GeForce 7800 GTX.
I just tested again with the other scenes.
-1 : Not sure what I'm supposed to see, I just see a big grey plane that
changes shades of grey. I don't see any shadow
Hello Robert,
Ideally it'd be configurable - so you can capture particular camera's,
through to all cameras. There is also the aspect of capturing the
window contents rather than just individual cameras.
OK, interesting. I'll think about this and try some possible solutions.
The filename
Hi,
VPB: revision 911
OSG: revision 8323
The following command line is used to create a simple globe (all DEM
files from gtopo30 are used):
./osgdemd -d in/gtopo30/E020N40.DEM [...snip...] -d
in/gtopo30/W180S60.DEM --bluemarble-east -t
in/bluemarble/land_shallow_topo_east.tif
Timo Penndorf wrote:
Hello,
i want to create rpm packages of osg for fedora. Are
there spec files?
I had a spec file for OSG 1.2, but it's woefully out of date. I intend
to update it for OSG 2.4 at some point but I have to get my application
working with 2.4 first. If you want to start
Hi John,
This is a new one for me, never seen banding reported before.
Could you try running a release build of osgdem to see if the problem persists.
Also try out the database on other computers with different hardware
as there is chance that you are seeing a OpenGL driver problem.
Robert.
Venugopal,
You might also have a read of this
http://www.catb.org/~esr/faqs/smart-questions.html
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Robert
Osfield
Sent: Thursday, May 15, 2008 8:46 AM
To: OpenSceneGraph Users
Subject: Re: [osg-users]
Brett Wiesner wrote on Thursday, May 15, 2008 7:57 AM:
My
next question, is how does the pagedLOD node know when page in/ page
out its child node? In my code I was only setting filenames, not min,
max ranges...
osg::pagedLOD* pagedLod0 = new osg::pagedLOD;
pagedLod0-setFilename(0,
Philip Lowman wrote:
Can GTK and rsvg/cairo be built under Visual Studio?
They can (I've done it), but it takes a bit of work. The Visual Studio
modes of compiling aren't well-maintained by some of the libraries. The
trickiest one was fontconfig (a dependency of rsvg).
--J
Hi again,
I tested code which Adrian attached in his email.
Ah, silly me, I hadn't seen the attachment. I'll retest in a few
minutes. Sorry about that.
J-S
--
__
Jean-Sebastien Guay[EMAIL
Hi Wojtek, Adrian,
I retested with --screen 0 and indeed
osgshadow --pssm -1 | -2 | -3 --screen 0 does not flicker. Interesting
isn't it ? I don't know much about PSSM implementation but it must be
view dependent somehow. So if its not carefully prepared for multi view
use some resources
Hi Robert;
I have try to create the earth database like John's;
osgdem --bluemarble-west -t land_shallow_topo_west.tif --bluemarble-east -t
land_shallow_topo_east.tif --geocentric -o earth/earth.ive --so build.source
osgdem -s build.source -d E020N90.DEM -d /E020N40.DEM -v 1.4 -l 6
And the
I have several hundred images I'm using in my terrain generation. Each
image contains 4 bands of data, 3 are the standard RGB, but the 4th is
another visual band. Osgdem/VPB is using the 4th band as an alpha
channel, which is causing some visual artifacts. Is there an
undocumented command line
Hello,
I'm having a problem somewhat related to node masks and shadows.
I'm using the ShadowTexture technique on a Software project I'm working on,
and I've set the CastsShadowTraversalMask to 0x1, the
ReceivesShadowTraversalMask to 0x2, and have set the node masks for my nodes
to be 0x3
You're not on ATI hardware by any chance?
-- mew
On Thu, May 15, 2008 at 8:30 AM, John Vidar Larring
[EMAIL PROTECTED] wrote:
Hi,
VPB: revision 911
OSG: revision 8323
The following command line is used to create a simple globe (all DEM files
from gtopo30 are used):
./osgdemd -d
Does the glsl_simple.osg example datafile work for you? It
demonstrates one shader w/ different values for the Color1 uniform.
-- mew
On Thu, May 15, 2008 at 2:01 PM, Dorosky, Christopher G
[EMAIL PROTECTED] wrote:
Hello,
I am having problems with a uniform value getting trumped in a
I'm porting my application from OSG 1.2 using osgProducer::Viewer to OSG
svn. Most of the port was straightforward, though I'm encountering some
strangeness.
My questions:
1. Is there a page on the wiki that covers porting OSG 1.2 to current
OSG? I'd like to add some of my notes to that page
I could submit modifications to the osgshadow source code
with appropriate comment paragraphs explaining how to use each class.
Sprinkling comments in the example code would help a lot.
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