On Tuesday 06 June 2006 18:22, David Lascombe wrote:
Thanks but I am not sure to understand how and when to start the
traversal.. Actually the database is already earth centered, I am not
changing its coordinate system but I compute new coordinates for each
entity so that they are earth
Hi,
I have compilation problems with osg-1.0/1.1 on HP-UX, but I am not yet sure
if this is an osg or HP-UX problem.
One of the problems is the way OpenGL extension are handled.
For example
include/osg/BufferObject
contains (more or less) the code
#ifndef GL_ARB_vertex_buffer_object
typedef
Hi,
On Wednesday 06 September 2006 16:37, Adrian Egli wrote:
has somebody a opensource LGPL math (algebra) library? i am working on a
real math problem, i has
a matlab implementation (prototype runing) but i like to integrat it now.
What do you need?
What kind of algorithms do you need, which
Hi,
On Thursday 19 October 2006 21:47, Don Burns wrote:
Something Freudian, something possibly evil, something I can file away as
sins of omission: I forgot to add IRIX, to the list of OS's to vote for on
the front page poll. After several of you listed IRIX in your Other
choices, I
On Monday 06 November 2006 10:46, Norman Vine wrote:
FYI
http:/www.flightgear.org
Norman
Hehe :)
True.
Still working on getting everything up working again. There are still some
problems/bugs in current flightgear cvs' version.
I expect that this will settle down within the next weeks ...
Hi Robert,
On Monday 06 November 2006 11:27, Robert Osfield wrote:
I just just checked through my osg-merged and osg-submissions folders
and can't find any subject line relating to the RGB plugin. Could you
point me at the patch?
Hi,
On Monday 06 November 2006 12:29, Robert Osfield wrote:
I have just revied the fix and it looks like a work around for non
complient data rather than an actual bug fix. Why was this needed?
What was the source of the problem RGB files?
That rgb files are in flightgear's data cvs.
I do at
Hi Robert,
On Monday 06 November 2006 18:10, Robert Osfield wrote:
It appears to me that the length of the run length encoding is wrong.
That change limits that to the min of the value from the file and the
remaining line length. May be this is suficient?
I have just added some debug
Robert,
On Tuesday 07 November 2006 10:27, Robert Osfield wrote:
Ok. If you have an other fix for that. I would like to test that on our
rgb files.
I have pondered on adding the a check later, but there is two seperate
loops later in the code, which would make it better to do the
Hi,
On Tuesday 07 November 2006 13:06, Robert Osfield wrote:
I have just checked in your workaround with a tweak to support
multi-byte colour channels. I don't have any such files to test
against so I can only hope that its correct. I works fine for your
sun.rgba and fine for all the OSG's
Hi,
On Tuesday 07 November 2006 14:11, Robert Osfield wrote:
I'm not the expert on ac3d, so hopefully Geof Michel the author can
review and chip in.
Is he still around here?
In summary we have many people reporting performance problems with osg
compared to plib especially under win32.
Hi Robert,
On Monday 06 November 2006 18:10, Robert Osfield wrote:
The question is what to do about it. Do you know the history of this
file? Is there some export tool that is being used that is creating
doggy .rgbs?
He told me now that he used gimp(!) for that ...
Greetings
Hi Robert,
On Tuesday 07 November 2006 16:22, Robert Osfield wrote:
Traversal is generally quick, I certainly wouldn't worry about cost of
the virtuals used during a traversal, the big hit you contend with is
memory bandwidth when doing a traversal.
How many nodes are you updating? 10?
Hi Robert,
On Wednesday 08 November 2006 10:23, Robert Osfield wrote:
There are lots of issues besides thse to be mindful when composing an
efficient scene graph. There are also lots of tips and tricks you can
deploy to help out. What is appropriate will depend on where you are
starting
Good morning Robert,
On Wednesday 08 November 2006 18:16, Robert Osfield wrote:
At a first pass I just watch the update, cull and draw and GPU stats
that osgProducer::Viewer provides. Then once this gives me an overall
picture I then look at the traversal that is giving the most problem.
Do
Hi Robert,
On Thursday 09 November 2006 11:09, Robert Osfield wrote:
On 11/9/06, Mathias Froehlich [EMAIL PROTECTED] wrote:
Good morning Robert,
Good morning, yep we are both in Europe, so morning it is for both of us :)
:)
osg::Material is a bit of an oddity in that its the only place
Hi Fred,
On Friday 17 November 2006 00:22, Frederic Bouvier wrote:
The other thing I don't get yet, is how osgDB behaves when it wants to load
a plugin.
Either the plugins are searched like usual. But that leaves the discussed
binary compatibility problems.
To avoid this you have to
Hi,
On Monday 15 January 2007 20:56, Ben Cain wrote:
Is there an example (or even hints) showing the proper way to add threading
to the QOsgWidget class developed by Gazihan Alankus? See the method
QOsgWidget::paintGL() and it’s calls to osgUtil methods: update(), cull(),
and draw().
Hi,
On Tuesday 16 January 2007 01:31, Mike Wittman wrote:
I don't have any experimental data on performance at this point, and I
don't know that this would be a significant bottleneck. I'm just
interested to see if anyone has previously considered this approach in
the event that it does
Hi Robert,
On Tuesday 16 January 2007 13:48, Robert Osfield wrote:
On 1/16/07, Mathias Froehlich [EMAIL PROTECTED] wrote:
And at least on MSVC and gcc = 4.1 there are compiler builtin functions
to do atomic counts.
With that knowledge the compiler can probably even optimize successive
Hi,
... moved to osg users on Roberts request ...
On Tuesday 23 January 2007 09:57, Robert Osfield wrote:
The OSG is very deliberately *not* meant to be thread safe in a
general purpose way, such safety adds huge overheads in desgin,
implementation and runtime performance. The OSG has gone
On Tuesday 23 January 2007 18:44, Martin Spott wrote:
Martin Spott wrote:
Currently I'm hunting severe rendering errors with FlightGear that were
introduced with the changes at 2007-01-21 between 18:24:00 and 18:25:00
UTC, but I'll post this into a new thread,
Hi,
On Wednesday 24 January 2007 10:32, Robert Osfield wrote:
One thing to look for is output of error messsages to the console - by
default the OSG checks once every frame for OpenGL errors and if finds
out it reports it, and ups the granularity that it checks for errors.
If the OSG is
Hi Robert,
On Wednesday 24 January 2007 10:45, Robert Osfield wrote:
As Richard suggest what we really need is a FrameStamp with both a
real time ReferenceTime and the possibility of SimulationTime. I
suggested this in another thread during the last couple of weeks.
Yep, something like that
Hi,
On Thursday 25 January 2007 09:01, Ignacio García wrote:
I have been thinking the same, using ref_ptr in non-OSG code, with the same
drawbacks you are seeing. You say that ref_ptr depends on OpenThreads, and
Producer has a Producer::ref_ptr similar or equal to osg::ref_ptr.
After all
Hi,
On Monday 29 January 2007 11:17, Martin Spott wrote:
Martin Spott wrote:
http://foxtrot.mgras.net/bitmap/FGFS/FGFS-OSG_2007-01-21_18:25:00.jpg
Actually this screen should show a panel and a nice view out the
windshield,
Finally, I herewith nominate Mathias for the accolade
Hi Robert,
On Wednesday 24 January 2007 16:09, Robert Osfield wrote:
It has occurred to me that perhaps we could put the list of observers
in a singleton rather attached to each Referenced object. This
singleton would have a something like a mapReferenced*,set
Observer* and a single mutex
On Monday 19 February 2007 23:16, Joakim Simonsson wrote:
I wasn't aware of that it is was version controlled.
According to Jan's mail: It is possible to omit the externals when you are
checking out something with the svn:external property set.
The svn:external property doesn't allow you to
Hi,
On Monday 26 February 2007 09:23, Anders Backman wrote:
I just got stuck on something I been worried about for quite some time
regarding the Math library in osg:
bool Matrix::isIdentity() const
{
return _mat[0][0]==1.0f _mat[0][1]==0.0f
_mat[0][2]==0.0f
Hi,
We have some problems with the osg/Math header on solaris.
Depending on the order of inclusion we have a redefinition of some libm
functions in math.h or sunmath.h that are already defined in osg/Math.
Given that this is an osg header I would suggest that those functions are put
in the
Hi Robert,
On Friday 01 June 2007 18:05, Robert Osfield wrote:
On 6/1/07, Emmanuel Roche [EMAIL PROTECTED] wrote:
okay, and in this case, is it possible / tested to have multiple viewers
on the same OpenGL Context ?...
You can multiple views that share the same graphics context, but
Hi Robert,
On Monday 04 June 2007 10:33, Robert Osfield wrote:
As part of the core OSG's viewer library there is a limit on how much
flexibility we can provide without ending up with a really convoluted
API and implementation.
Sure.
Is there any callback in the camera that can disable
Hi Robert,
On Monday 04 June 2007 11:09, Robert Osfield wrote:
The update callbacks on a camera won't be called (I think :-) if the
NodeMask is 0 so it wouldn't be suitable to doing the toggling.
You could do the toggling the main loop though, i.e.
Ok, I think I just need to play with that a
On Monday 04 June 2007 13:09, Robert Osfield wrote:
Today Martin Lavery has begun work alongside me. Martin will be doing
pair wise programming with me sharing keyboard/mouse duties to help me
recover from the Repetitive Strain Injury (RSI).
Martin is newbee to the OSG, as well as OpenGL and
Hi Robert,
On Tuesday 05 June 2007 11:10, Robert Osfield wrote:
On 6/5/07, Mathias Froehlich [EMAIL PROTECTED] wrote:
We had a great week and presented flightgear with a multi view setup that
was possible due to osg.
Good to hear things went well, and multi-view goodness is here to
stay
Hi Robert,
On Tuesday 05 June 2007 10:34, Robert Osfield wrote:
I was unable to follow development closely for more than one
week (we were exhibiting on LinuxTag)
Hey, hey, hows about a little news report for us less lucky souls :-)
We had a great week and presented flightgear with a
Hi,
On Tuesday 05 June 2007 11:19, Norman Vine wrote:
Looks like you had way to much fun :-)
http://sadr.dfn.de/~wirtz/_bilder_linuxtag_2007/Linuxtag/subalbum_1.html
Now got an other link to pics - still not mine:
http://www.oflebbe.de/FgShow2/
Have fun ...
Mathias
--
Dr. Mathias
On Tuesday 10 July 2007 16:33, Robert Osfield wrote:
On 7/10/07, Andy Skinner [EMAIL PROTECTED] wrote:
I am setting linker and compiler flags. I don't know anything about
cmake commands, so I guess I'm going to have to learn more about cmake
itself.
You should be able to change the lib
Hi Robert,
On Wednesday 11 July 2007 18:30, Robert Osfield wrote:
We don't just support decoration of subgraphs to support clip planes
as its really useful to decouple the positioning of the clip planes
from the use of them. See the osgclip example for why this is useful.
Yep, but it is also
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