HI Brian,
On Mon, Oct 27, 2008 at 7:25 PM, Brian R Hill [EMAIL PROTECTED] wrote:
Can primitivesets be shared between geometrys similarly to vertexes,
colors, and texcoords?
I have never tried this, but it should work just fine.
Robert.
___
osg-users
On Mon, Oct 27, 2008 at 7:32 PM, Paul Martz [EMAIL PROTECTED] wrote:
It contains support classes to enable OpenFlight model loading and working
with terrain databases.
That's just one of the items that osgSim provides...
The NodeKit is just a collection of classes that help in the
development
Hi Martin,
Could you post complete modified file as this will explain the changes
without any chance of ambiguity.
Thanks,
Robert.
On Mon, Oct 27, 2008 at 8:10 PM, [EMAIL PROTECTED] wrote:
Not a question so much as a note for the archives.
If you want ViewerQOSG to be able to handle signals
On Mon, Oct 27, 2008 at 9:42 PM, John Cummings [EMAIL PROTECTED] wrote:
FYI, here is the link to the discussion on the Ac3D forum:
http://www.inivis.com/forum/showthread.php?t=5090
It seems to be headed in the same direction as Robert's comments regarding
keeping track of the UV ranges.
Hi Forest,
Do you expect people to really follow this? Just throw the code out
there and expect people to know what effect your are trying to do?
Please remember that everyone will be busy with their own work and
just scan emails. You need to convey what you are trying to do in a
digestable form
On Mon, Oct 27, 2008 at 9:51 PM, Csaba Halász [EMAIL PROTECTED] wrote:
On Mon, Oct 27, 2008 at 10:42 PM, John Cummings [EMAIL PROTECTED] wrote:
FYI, here is the link to the discussion on the Ac3D forum:
http://www.inivis.com/forum/showthread.php?t=5090
It seems to be headed in the same
hi Robert:
when I use osg::ImageSequence with option PAGE_AND_DISCARD_USED_IMAGES, the
program will crash; I found in OSG 2.7.3 ImageSequence.cpp at line 387, if
((i=_images.size() || !_images[i]) _filesRequested.count(_fileNames[i])==0),
the variable _fileNames is empty, I don't know why?
Hi ?? Could you please sign with the name you'd like to be addressed.
Also if you want to report a problem the place is not to hang it off a
complete unrelated thread. Please send the post with a relevant
subject line so it gets thread properly by mail tools and is easy to
follow. If you want me
Hi All,
On Mon, Oct 27, 2008 at 5:26 PM, Robert Osfield
[EMAIL PROTECTED] wrote:
There have been lots of bug and build fixes checked in since 2.7.3,
and feature refinements but as always this might come with their own
regressions, so please do a check out of svn/trunk and test the build
and
Hi All,
Last night I uploaded a 547Mb paged database to openscenegraph.org.
The .ive files are all generated using zlib compression that is built
into the svn/trunk version of the OSG, you won't be able to load them
with any prior version of the OSG I'm afraid as the compression
support has just
Hi Robert,
The newest SVN version works for my VisualStudio 9. Maybe this is a bug of
VS8. :)
Wang Rui
2008/10/28 Robert Osfield [EMAIL PROTECTED]
Hi All,
On Mon, Oct 27, 2008 at 5:26 PM, Robert Osfield
[EMAIL PROTECTED] wrote:
There have been lots of bug and build fixes checked in since
Robert,
It does work when adding them during runtime, but the .ive/.osg
reader/writer don't support sharing them. They always write out full
definitions and expect to read in full definitions. For my current use
(creating sequences from osgCal/cal3d models) the prim overhead isn't too
bad, at
Hi Brian,
On Tue, Oct 28, 2008 at 12:55 PM, Brian R Hill [EMAIL PROTECTED] wrote:
It does work when adding them during runtime, but the .ive/.osg
reader/writer don't support sharing them. They always write out full
definitions and expect to read in full definitions. For my current use
Hi,
We have searched the archive and already found a post about this subject:
http://www.mail-archive.com/osg-users@lists.openscenegraph.org/msg15948.html
First our build setup:
OS: Windows (sorry robert)
OSG: osg2.6.0
DELTA3D: 2.1.0
Ok,.. our problem is that AutoTransform nodes get culled and
On Tue, Oct 28, 2008 at 1:14 PM, Peter Wraae Marino [EMAIL PROTECTED] wrote:
To our application we don't need our AutoTransform objects to be small
feature culled, so we
would like to ask is there a reason why there isn't a flag on all nodes to
enabled/disable small
feature culling?
Because
Hi Robert,
osgviewer reports me:
DataInputStream::readCharArray(): Failed to read char value.
Do I need to do something to enable the zlib decompression ?
Robert Osfield wrote:
Hi All,
Last night I uploaded a 547Mb paged database to openscenegraph.org.
The .ive files are all generated using
Hi Robert,
Compiled without errors on CentOS 4.7 x86_64 with gcc 3.4.6
/John Vidar
Robert Osfield wrote:
Hi All,
On Mon, Oct 27, 2008 at 5:26 PM, Robert Osfield
[EMAIL PROTECTED] wrote:
There have been lots of bug and build fixes checked in since 2.7.3,
and feature refinements but as always
Hi Lionel,
On Tue, Oct 28, 2008 at 1:50 PM, Lionel Lagarde [EMAIL PROTECTED] wrote:
osgviewer reports me:
DataInputStream::readCharArray(): Failed to read char value.
Do I need to do something to enable the zlib decompression ?
You need to have zlib installed. If it is installed perhaps
Hi Robert,
After compiling OSG svn trunk (linux 64bit), the following commands
worked like charm:
wget http://www.openscenegraph.org/data/earth_bayarea/bay.path
osgviewer http://www.openscenegraph.org/data/earth_bayarea/earth.ive
-p bay.path --file-cache MyFileCache
The second time I ran
The ive plugin is built with zlib support.
There is a problem in the uncompress loop. The earth.ive size is 14976
bytes.
In the loop, the first read:
strm.avail_in = fin.readsome((char*)in, CHUNK);
reports me 12427 bytes read and the second 0 bytes.
Continuing investigation.
John Vidar
Hi all.
I need to set a projection matrix for an asymmetrical
viewing volume.
Settings for the scene view associated with the camera
are:
osg::CullSettings::COMPUTE_NEAR_FAR_USING_BOUNDING_VOLUMES.
I tried with camera.SetProjectionMatrixAsFrustum(.),
but it resets left and right clipping
Hi guys!
I try to solve flightgear clouds sorting problem
Clouds consists of billboards position and lighting calculated in vertex and
fragment program
here is screenshot in attachment
Maybe gurus give us quick solution
Our blend equation and alpha func and shaders
Ok, will do. Thank you very much for your advice!
Rob
--
Date: Tue, 28 Oct 2008 07:26:59 -0600
From: Paul Martz [EMAIL PROTECTED]
Subject: Re: [osg-users] TrackballManipulator Question
To: 'OpenSceneGraph Users' osg-users@lists.openscenegraph.org
Message-ID: [EMAIL
Curiously, the readsome function fail to read data (return value is 0),
but fin.eof() returns false.
I've tried to loop until some data are read but it does not work :
do {
strm.avail_in = fin.readsome((char*)in, CHUNK);
while (strm.avail_in == 0 !fin.eof());
It is an infinite loop.
The
Hi Gianluca,
The default compute of near/far is something that you can disable via:
viewer.getCamera()-setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR);
But even if you don't call this a let the near far be recomputed it
won't affect the asymmetry of the projection matrix.
Hi John,
I haven't personally tried this but an educated guess is that you'll
need to do is keep polling the DatabasePager::getFileRequestListSize()
till it returns 0.Something like:
while(!viewer.done()
viewer.getDatabasePager()-getFileRequestListSize()0) frame();
Robert.
On Tue, Oct 28,
Hi Lionel,
The readsome() returns if data isn't available yet, it doesn't wait
like read. You could try changing the code across to using read() and
gcount() to find out how many bytes have been read.
What platform are you working on?
Robert.
On Tue, Oct 28, 2008 at 3:00 PM, Lionel Lagarde
Hi Robert,
Last night I uploaded a 547Mb paged database to openscenegraph.org.
Nice, can't check it out yet as I'm waiting on a full compile but will
check it out as soon as I can.
About the animation path:
Grab this then run osgviewer with the path:
osgviewer
Hi Robert,
The readsome() returns if data isn't available yet, it doesn't wait
like read. You could try changing the code across to using read() and
gcount() to find out how many bytes have been read.
What platform are you working on?
Just to add another report, I get the same error as
I get this error on Mac OSX 10.5
DataInputStream::readCharArray(): Failed to read char value.
./bin/osgviewer.app/Contents/MacOS/osgviewer: No data loaded
Gerrick
On 10/28/08 11:13 AM, Jean-Sébastien Guay
[EMAIL PROTECTED] wrote:
Hi Robert,
The readsome() returns if data isn't available
Hi Robert,
I haven't personally tried this but an educated guess is that you'll
need to do is keep polling the DatabasePager::getFileRequestListSize()
till it returns 0.Something like:
while(!viewer.done()
viewer.getDatabasePager()-getFileRequestListSize()0) frame();
I was hoping
Hi all,
Can't test myself currently but I'll try as soon as I can.
About the error, are you behind proxies or something similar ? Is it
possible to be a connection problem ?
On Tue, Oct 28, 2008 at 5:16 PM, Gerrick Bivins [EMAIL PROTECTED]
wrote:
I get this error on Mac OSX 10.5
Hi J-S,
On Tue, Oct 28, 2008 at 4:10 PM, Jean-Sébastien Guay
[EMAIL PROTECTED] wrote:
Can the animation path also be gotten by http? If so, we could use the
following all-powerful command line:
osgviewer http://www.openscenegraph.org/data/earth_bayarea/earth.ive
-p
I don't think that is a connection problem. libcurl download the
file integrally in a stringstream.
The stringstream is then given to to ive ReaderWriter.
Serge Lages wrote:
Hi all,
Can't test myself currently but I'll try as soon as I can.
About the error, are you behind proxies or
Hi John,
On Tue, Oct 28, 2008 at 4:16 PM, John Vidar Larring
[EMAIL PROTECTED] wrote:
I was hoping this would work too, but
getDatabasePager()-getFileRequestListSize() _always_ returns 0 (zero).
So I am hoping that this is either a bug that can be fixed or that there is
another method for
Hi.
The cameras are part of the scene graph.
I was still using frame buffer based cameras because they seem to be the only
way to get a real-time-sufficient performance for more complex applications.
I figured out that this causes the problem and found no way to get rid of the
error - even
Hi Steffen,
On Tue, Oct 28, 2008 at 4:38 PM, Steffen Kim [EMAIL PROTECTED] wrote:
I was still using frame buffer based cameras because they seem to be the only
way to get a real-time-sufficient performance for more complex applications.
This sounds a bit odd, such as FBO or PBuffer RTT
Hi Joe,
Just looking at the two images, it really looks like you running two
separate viewers. Is this right? Is it even two separate
applications?
The OSG allows you to run a single viewer across multiple contexts and
this is the usual way that OSG users will do multi-monitors. Is there
a
Hi All,
I have just merged a fix for the read error from Lionel Lagrade - he
implemented read() and gcount() usage rather than my previous
readsome() as it looks like this function isn't consistently
implemented across platforms.
Could all those who've had read problems on the online database do
Thanks, but sadly that topic doesn't solve the problem. Is there a way to load
the animation without using osgCal and Cal3D? I have a pretty simple animation,
and I just want to load the animation and control the framerate, and don't
really need skeleton animation or so.
Hope some will help.
Can primitivesets be shared between geometrys similarly to vertexes,
colors, and texcoords?
I have never tried this, but it should work just fine.
Slightly off-topic, but I recently made a visitor that looks for
duplicated texture coordinates (unit 1 uses same TC's as unit 0)
and deleted the
Hi,
Before the update, I get also the error : readCharArray(): Failed to read
char value.
But now everithing works well !
Very cool stuff !
Regards.
On Tue, Oct 28, 2008 at 6:30 PM, Robert Osfield [EMAIL PROTECTED]wrote:
Hi All,
I have just merged a fix for the read error from Lionel
Hello,
I'm trying to add shadows to the application I'm working on, and encountered
two issues which seems to be ATI card/driver related.
The first issue is, that shadows generated using the ShadowMap technique
are in the
wrong location, both in the application I'm working on and the
'osgshadow'
At this time nope, unless you want to write a loader to handle you case with
your models
Gordon
__
Gordon Tomlinson
Product Manager 3D
Email : gtomlinson @ overwatch.textron.com
Whoa! I'm the #7 poster (since Jul of last year, it looks like)! I've
really got to cut back, jeeze...
http://groups.google.com/group/osg-users/about
Anyways, fun information. And oh yeah, this bumps my post count one
more. :)
___
osg-users mailing
Same here. This works for me now as well(Mac 10.5).
Pretty cool stuff Robert!!!
Gerrick
On 10/28/08 1:10 PM, christophe loustaunau
[EMAIL PROTECTED] wrote:
Hi,
Before the update, I get also the error : readCharArray(): Failed to read char
value.
But now everithing works well !
Very
Hi Joe,
OK this screenshot makes more sense... and is indeed how one would
typically drive multiple monitors with the OSG.
One optimization that is worth doing with this type of setup is use
one graphics context per graphics card, and split the each window
across two displays. This typically
Hi all,
I was wondering, what's the correct way to get the world space bounds of
a node? I can do the following:
osg::ComputeBoundsVisitor cbbv;
node-accept(cbbv);
osg::BoundingBox bb = cbbv.getBoundingBox();
I also have the localToWorld matrix of the node. But just transforming
Hi Jeremy,
Whoa! I'm the #7 poster (since Jul of last year, it looks like)! I've
really got to cut back, jeeze...
You think you need to cut back? Not only am I second in the last month,
but I'm second AND fifth of all time!
J-S
--
__
Hi Jeremy,
Whoa! I'm the #7 poster (since Jul of last year, it looks
like)! I've
really got to cut back, jeeze...
You think you need to cut back? Not only am I second in the
last month, but I'm second AND fifth of all time!
I'm trying to keep my number of posts equal to the number
Vaclav:
While ago I worked on a discrete-element-method tool. A very,very early
version of the tool (using osg v. 1.2) you
may still find at this site: www.3dcalc.pl/osg-examples/osgDEM.zip
This used to be a part of an academic project some time ago. This is a
linux-based project.
The tool
Rick,
I don't know how to help you with your particular problem. But I hope these
2 hints could be useful:
I suppose it would be fairly simple to make similar adjustment for LisPSM as
you did for ShadowMap. Texgen matrix for LispSM is set in
MinimalDrawBoundShadowMap line 225. For safety you
Hi Again Rick,
Small errata: I forgot to add .cpp suffixes to the files I suggest to
modify. So fixes should be done in
MinimalDrawBoundShadowMap.cpp line 225
and
StandardShadowMap.cpp line 753
Let us know if this helps, if it does, I will be smarter next time when this
question appears again.
After reading osgViewer::Viewer vs osgViewer::CompositeViewer, I think
I might need to use CompositeViewer at some point in the future of my
project, but not at the outset. Should I begin with the
CompositeViewer, or make the necessary mods later? How difficult is it
to change from Viewer to
Hi J-S -- I recently wrote my own visitor to flatten transforms. To do this,
I use osg::computeLocalToWorld(osg::NodePath) to get the local-to-world
matrix, and transform all vertices by that matrix. This works great for me,
and what you are doing sounds like an equivalent operation, so I'm not
It's simple to convert over. Look at the osgcompositeviewer example to see
what needs to be done. I've been using just osgViewer::Viewer and I changed
over to using the composite viewer with no problems or difficulty. One's
just a subset of the other so I would probably just start out with a
Hi, all,
Question for how to make light work on face that set to gouraud in
.flt. I have read all tutorials light part, search the mail list, but
cannot find a way.
Background: my visual data is .flt format; some faces setting:
drawing-shade-Gouraud; some faces setting drawing-shade-lit.
ViewerQOSG declaration in QOSGWidget.h separated out from QOSGWidget.cpp
To use the QT moc class definitions must each be in their own header.
// Parent class derived from QObject must come first.
class ViewerQOSG : public QOSGWidget,public osgViewer::Viewer
{
//Include this if you want to
Compiled fine on Mac OS X 10.5.5, gcc 4.0.1, intel 32-bit
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I'm not sure that OpenFlight Face/Mesh records with the Gouraud flag set
should be lit. Can you point to something in the OpenFlight specification
that supports this?
If you want to enable lighting for those nodes, you would need to write a
NodeVisitor to enable lighting and provide appropriate
If OFL flag its set to just Gouraud then it should not be lit and should not
react to light
If its set to Lit Gouraud then lighting does apply
__
Gordon Tomlinson
[EMAIL PROTECTED]
IM: [EMAIL PROTECTED]
www.vis-sim.com
hi robert,
Thanks for your advice.
I know people are busy,so i concentrate the code.Sometimes problems are
hard to describe in native language much less a foreign language.I will try to
describle problems in english instead of codes.
Thank you again.
Best regards
forest
Hi forest,
Why not try to describe your question again at bbs.osgchina.org? Maybe your
theory will be more clear using native language. It is a Chinese forum. :)
Wang Rui
2008/10/29 forest37 [EMAIL PROTECTED]
hi robert,
Thanks for your advice.
I know people are busy,so i
hello,
when I use the TrackballManipulator to view my model I find that the
camera velocity slows to zero if I try to approach a certain point,
which I believe is the origin.
Do you know why this occurs and how it can be prevented?
Richard
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