[osg-users] Texturing

2009-04-28 Thread Yafes
Hi @ all, as you maybe know fro my previous posts, i was tryieng to build some stairs, which i already did. Know the attached files show the vertex Points and the faces, how they are arranged. I would like to put a texture on it, so that i use just one texture.jpg which is a line and should

Re: [osg-users] Texturing

2009-04-28 Thread Ümit Uzun
Hi Yafes; Have you looked at OSG tutorials? If not, you should really examine much of them (http://www.openscenegraph.org/projects/osg/wiki/Support/Tutorials). You will grasp how could be used texturing and so on. And your texture coordinates looks wrong because you should trace the line while

[osg-users] Fwd: Fwd: shader implementation - newbie

2009-04-28 Thread ami guru
Hello Robert, After going through the archives i have found that it has already discussed the issue that is not present yet within the API. Something like SwitchStateSet. But you did have pave a way to get that done. I am not sure if anyone has done that and updated the repository.Your

Re: [osg-users] setCursor problem

2009-04-28 Thread Romain Charbit
Thanks for this answer, I followed some threads about the subject but I got lost with what is working and what is not. thanks again. Romain. Romain Charbit -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=10947#10947

Re: [osg-users] [build] error: add_dependencies Adding dependency to non-existent target

2009-04-28 Thread Mattias Helsing
Hi Abhinav (?), seems like you have some problems using cmake, while this mailing list is all about OpenSceneGraph which just so happens to use cmake as it's build system. I or the cmake ML (http://www.cmake.org/mailman/listinfo/cmake) can help but you need to provide more info. At least state

Re: [osg-users] Point matching / Affine transforms

2009-04-28 Thread Robert Osfield
Hi Martin, About 15 years ago I did some work computing a best fit plane to a series of point used a least-squares alogrithm. I did the maths on paper and eventually derived a 4x4 matrix that I jut had to invert to get the result. I can't remeber the details though, you'll find stuff on this on

Re: [osg-users] PagedLOD

2009-04-28 Thread Robert Osfield
Hi Alan, As Bryan wrote, what you need is to write a custom osgDB::Registry::ReadFileCallback that will intercept all DB calls, you then leave it up to Registry itself to the do the reading from the plugin, but then you process the loaded data before passing the end result back from the callback.

Re: [osg-users] Shaders on Slave Cameras

2009-04-28 Thread Robert Osfield
On Tue, Apr 28, 2009 at 12:31 AM, Brian R Hill bhil...@csc.com wrote: Folks, I want to render slave cameras with different shaders. It doesn't seem to work (osg 2.2). They are all rendered the same way as the main camera. Can I do this? You should be able to do it. You don't really say

Re: [osg-users] Multiple Shaders Performance Question

2009-04-28 Thread Robert Osfield
Hi Paul, Different drivers manage compilation and linking in different ways on different drivers so it's hard to give any hard rules. In general making sure your scene graph is pre-compile before rendering helps avoid most problems with compiles occur during rendering. Robert. On Tue, Apr 28,

Re: [osg-users] Fwd: Fwd: shader implementation - newbie

2009-04-28 Thread Robert Osfield
Hi Sajjad, This is almost certainly more complicated than you need. As I said I not have to time to nurse maid you through learning about shaders. The OSG has a number of places where it use shaders in its implementation, and number of examples as well. Robert. On Tue, Apr 28, 2009 at 8:32 AM,

Re: [osg-users] Use the mouse scroll button?

2009-04-28 Thread dimi christop
Hi, no need to go into this hassle here is a snippet how to use the scroll info from the mouse. A modified example from Leandro Motta Barros. Good luck Dimi #include iostream #include string #include sstream #include osg/Geometry #include osgGA/GUIEventHandler #include osgViewer/Viewer

Re: [osg-users] Multiple Shaders Performance Question

2009-04-28 Thread Philip Taylor
Paul, Running at 120Hz is rather extreme since the human eye can't really appreciate a frame rate higher than 60Hz - OK monitors are normally rated at approx 75Hz to be flicker free, but 60Hz is the norm. With this in mind, you might be able to hide this missed frame by simply reducing your frame

[osg-users] Time to remove Christer Wigren??

2009-04-28 Thread Philip Taylor
Jose, The OSG list server is still bouncing emails to Christer Wigren which result in an automated response stating that he no longer works for the Swedish Defence Agency. Any chance of getting his name /email address removed from the list server? I'm sure the SDA would also appreciate the

Re: [osg-users] Fwd: Fwd: Fwd: shader implementation - newbie

2009-04-28 Thread Robert Osfield
On Tue, Apr 28, 2009 at 10:19 AM, ami guru dosto.wa...@gmail.com wrote: Hello Robert, I have already implemented the scenario that i am looking for in OpenGL by setting the glUseProgram(0) to glUseProgram(whichShader). And i wanted to implement the same scenario in OSG. None of the example

Re: [osg-users] Time to remove Christer Wigren??

2009-04-28 Thread Robert Osfield
Hi Philip, Without the exact email address that is causing problems I can't do anything. Robert. On Tue, Apr 28, 2009 at 10:25 AM, Philip Taylor phili...@ntlworld.com wrote: Jose, The OSG list server is still bouncing emails to Christer Wigren which result in an automated response stating

Re: [osg-users] [osg-submissions] osgParticle ParticleSystemandModularEmitterin different coordinate systems

2009-04-28 Thread Tim Moore
Jolley, Thomas P wrote: Hi Robert, I've moved this discussion over to osg-users. Attached are some examples that should show the precision problem I'm running into. There are 4 osg files. The first one, particle.osg, is just a plain particle effect emmitting smoke. The other osg

[osg-users] osgEarth + OSG 2.8.0 + ATI card

2009-04-28 Thread Emmanuel Roche
Hi everyone ! I've been testing osgEarth for a few days now: it works perfectly on my nvidia cards. But when trying the same application with an ATI cards, the app just shutdowns on some cards, or crashes (with the error mentioned on the osgEarth forum here:

Re: [osg-users] Geometryconsidered in near+far plane auto computation

2009-04-28 Thread David Spilling
Hi J-S, The problem when the skydome renders last is that it won't be blended correctly with transparent objects (they need to be rendered after all opaque objects, and sorted back to front). Ah. I hadn't considered that in detail. (I wonder what my app's behaviour is then? I don't have many

Re: [osg-users] Multiple Shaders Performance Question

2009-04-28 Thread Robert Osfield
On Tue, Apr 28, 2009 at 11:37 AM, paul1...@yahoo.com wrote: Thanks Robert, I am using OSG 2.6 on Linux with NVIDIA Quadro FX 4600 with driver version 173.14.09... How do I make sure my scene graph is precompiled? I thought OSG took care of this on its first frame using the

Re: [osg-users] Time to remove Christer Wigren??

2009-04-28 Thread Ragnar Hammarqvist
I can confirm that Christer Wigren no longer is working for Swedish Defence Agency (FOI). I can not se him in aour DB but I guess that his E-mail simply was: christer.wig...@foi.se -Ursprungligt meddelande- Från: osg-users-boun...@lists.openscenegraph.org

[osg-users] Adding resource directory

2009-04-28 Thread Anders Backman
Hi all. Ouch, its been years since my previous post on this list!! Glad to see that OpenSceneGraph is still alive and kicking! Anyway, I have a simple question I cannot find the answer to. Is it possible from app code to add (not replace) a directory (or a list of directories) where resources

Re: [osg-users] Adding resource directory

2009-04-28 Thread Robert Osfield
Hi Anders, Welcome back to the fold :-) The OSG_FILE_PATH env var is just an initial setting for DataFilePathList in osgDB::Registry. You can set this programatically using osgDB::setDataFilePathList(...); This function can be found in include/osgDB/FileUtils. Robert. On Tue, Apr 28, 2009 at

Re: [osg-users] Adding resource directory

2009-04-28 Thread Anders Backman
Sorry, found it now, getDataFilePathList()! Thanks (again). /A On Tue, Apr 28, 2009 at 2:05 PM, Anders Backman ande...@cs.umu.se wrote: Yes I saw that one, but what concerned me was the fact that I could only SET, not ADD.So if OSG_FILE_PATH is setting it to something, all I can do is

Re: [osg-users] Multiple Shaders Performance Question

2009-04-28 Thread paul1492
Thanks Robert, I am using OSG 2.6 on Linux with NVIDIA Quadro FX 4600 with driver version 173.14.09... How do I make sure my scene graph is precompiled? I thought OSG took care of this on its first frame using the GLObjectsVisitor in SceneView::init() but in your catch.cpp example, I see you

Re: [osg-users] Time to remove Christer Wigren??

2009-04-28 Thread Robert Osfield
On Tue, Apr 28, 2009 at 11:40 AM, Ragnar Hammarqvist ragnar.hammarqv...@foi.se wrote: I can confirm that Christer Wigren no longer is working for Swedish Defence Agency (FOI). I can not se him in aour DB but I guess that his E-mail simply was: christer.wig...@foi.se Thanks for the note,

Re: [osg-users] Time to remove Christer Wigren??

2009-04-28 Thread Paul Melis
Philip Taylor wrote: Jose, The OSG list server is still bouncing emails to Christer Wigren which result in an automated response stating that he no longer works for the Swedish Defence Agency. Any chance of getting his name /email address removed from the list server? I'm sure the SDA would

[osg-users] Fwd: Fwd: Fwd: shader implementation - newbie

2009-04-28 Thread ami guru
Hello Robert, I have already implemented the scenario that i am looking for in OpenGL by setting the glUseProgram(0) to glUseProgram(whichShader). And i wanted to implement the same scenario in OSG. None of the example that accompany the repository have implemented the scenario that i m looking

Re: [osg-users] Adding resource directory

2009-04-28 Thread Anders Backman
Yes I saw that one, but what concerned me was the fact that I could only SET, not ADD.So if OSG_FILE_PATH is setting it to something, all I can do is overwrite it? /A On Tue, Apr 28, 2009 at 2:02 PM, Robert Osfield robert.osfi...@gmail.comwrote: Hi Anders, Welcome back to the fold :-) The

Re: [osg-users] osgEarth + OSG 2.8.0 + ATI card

2009-04-28 Thread Jason Beverage
Hi Emmanuel, Glad to hear osgEarth is working out for you:) Try disabling VBO's by setting the OSG_GL_EXTENSION_DISABLE environment variable to GL_ARB_vertex_buffer_object. This is really a temporary solution, once 2.8.1 is out the door, you can probably just upgrade and it should work fine.

Re: [osg-users] osgEphemeris skyDome issue

2009-04-28 Thread Jean-Sébastien Guay
Hello Paul, My understanding was that the skyDome centre would always be the camera eye point There's a big problem with that assumption. It means that the horizon will follow the camera, and thus if, in your application, the camera can be high off the ground (for example a flight sim) then

[osg-users] osgVolume with HWRaycastTechnique

2009-04-28 Thread Julien Valentin
Hello I'm trying to use osgvolume to visualize smoke but i have a little problem with the alphafunc with the raycast technique.. when I set it to 0 then the background of my volume appear black (where the opacity =0) but the volume rendering is good and when i change it the background is good but

Re: [osg-users] Geometryconsidered in near+far plane auto computation

2009-04-28 Thread Jean-Sébastien Guay
Hi David, For me, I will probably control the renderbins (if I'm not already doing it), and render opaque objects skydome transparent objects; i.e. putting the skydome in the regular opaque bin. Most of my objects are opaque so I get some benefit here. Yeah, that sounds like a happy medium.

Re: [osg-users] Geometryconsidered in near+far plane auto computation

2009-04-28 Thread Jean-Sébastien Guay
Hi David, Ah. I hadn't considered that in detail. (I wonder what my app's behaviour is then? I don't have many transparent objects so probably wouldn't have noticed if something was awry - I'll have to check). Forgot to mention, that's the reason I noticed it right away, because we have

[osg-users] osgAnimation supported files

2009-04-28 Thread Robert
Hi, I just wanted to know which files are supported by osgAnimation. .osg only? Thank you. -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=10977#10977 ___ osg-users mailing list

Re: [osg-users] osgVolume with HWRaycastTechnique

2009-04-28 Thread Robert Osfield
Hi Julian, I've seen this issue with some of the shaders used in osgVolume as well. They just need tweaking to reject the fragments that have an alpha value of 0.0. Since 2.8 I've fixed some of the shaders. Which version of the OSG are you using? Robert. On 4/28/09, Julien Valentin

[osg-users] Brand New BlackBerry Storm 9500--$250 for sale.

2009-04-28 Thread Zarim
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Re: [osg-users] Geometryconsidered in near+far plane auto computation

2009-04-28 Thread Jean-Sébastien Guay
Hello Chris, I wonder if there were somehow a callback you could apply somewhere that would hork with the near/far clip, or if it's just easier to use multiple cameras at that point. Perhaps in a Drawable DrawCallback? Something like: OK, I've finally got this to work well, without the

[osg-users] Simple moving map using CADRG data

2009-04-28 Thread Sullivan, Joseph (CDR)
Hello, I posted this earlier but it may have gotten lost in the shuffle... I'm interested in adding a moving map display to a simulation. (Something like an instructor operator station.) I understand GDAL can import CADRG data but I haven't found an easy way to use that data to create a moving

Re: [osg-users] osgAnimation supported files

2009-04-28 Thread Robert Osfield
Hi Robert? Could please change your forum account so it's different from Robert, perhaps you're full name so that people on the mailing list and forum can see straight away that it's not another Robert so such as myself or one of the many others. Robert (Osfield). On Tue, Apr 28, 2009 at 2:41

Re: [osg-users] osgVolume with HWRaycastTechnique

2009-04-28 Thread Robert Osfield
Hi Julian, Your email prompted me to do some testing which in terms led me to do a couple of small tweaks to osgVolume to enable blending for the appropriate volume rendering techniques. Could you try the svn/trunk version of osgVolume to see how you get on. Robert.

Re: [osg-users] Brand New BlackBerry Storm 9500--$250 for sale.

2009-04-28 Thread Robert Osfield
ARffhghghghg spam getting through the forum again We had no spam on the mailing list of many many years, right up until we introduced the dual forum/mailing list. We've only had two spam post, but two is still too many. Robert. ___ osg-users

Re: [osg-users] Point matching / Affine transforms

2009-04-28 Thread Martin Beckett
I spent all day on the web looking at this - it's surprisingly poor. I found a python example that uses simple Gauss Jordan (not fast or robust) that will do for my, matching only a handful of reference points, application. Anything else involves pulling in a huge symbolic algebra package.

Re: [osg-users] Geometryconsidered in near+far plane auto computation

2009-04-28 Thread Cole, Charles E. (LARC-B702)[RAYTHEON TECHNICAL SERVICES COMPANY]
Hi J-S, Thanks for keeping this post going with what you've done. I've been keeping an eye on it with keen interest. I do have one question though out of curiosity ... what dimensions (particularly the radius) did you use to generate the skydome? I see that you use the radius to determine

Re: [osg-users] Geometryconsidered in near+far plane auto computation

2009-04-28 Thread Jean-Sébastien Guay
Hi Chuck, Glad I can give useful and interesting information :-) I do have one question though out of curiosity ... what dimensions (particularly the radius) did you use to generate the skydome? I see that you use the radius to determine the far plane value, but didn't know what you used.

Re: [osg-users] Geometryconsidered in near+far plane auto computation

2009-04-28 Thread Jean-Sébastien Guay
Hi Chuck, I do have one question though out of curiosity ... what dimensions (particularly the radius) did you use to generate the skydome? I see that you use the radius to determine the far plane value, but didn't know what you used. I'm assuming that it has to be great enough to still be

Re: [osg-users] Geometryconsidered in near+far plane auto computation

2009-04-28 Thread Cole, Charles E. (LARC-B702)[RAYTHEON TECHNICAL SERVICES COMPANY]
Hi J-S, I just realized I didn't give you actual information, just how we get the values... The radius turns out to be around 5000m most of the time. In our simulators, most of the time the user will stay in an area about 100mx100m in the center of the scene, so this works well. I think if we

Re: [osg-users] Geometryconsidered in near+far plane auto computation

2009-04-28 Thread Jean-Sébastien Guay
Hi again Chuck, Thanks again. All of my apps have been flight sim-like apps, so a large radius is required. But I do things differently. I may try your approach and see if I can get better performance while still keeping relevant and viewable information from being culled. Actually,

Re: [osg-users] Simple moving map using CADRG data

2009-04-28 Thread Tueller, Shayne R Civ USAF AFMC 519 SMXS/MXDEC
Joe, From what I understand, GDAL will import a single CADRG image but it won't handle the dynamic decompression and different map resolutions as you zoom in and out (the A.TOC file). I've done some moving map support using OSG for our software but I built my own paged moving map database using

Re: [osg-users] PagedLOD

2009-04-28 Thread Alan Ott
Robert and Bryan, Thanks for the info. From this, it seems like I can get a handle to the newly loaded node before it gets added to the main tree. The only thing now is that once I've got a handle to this node, I don't really know _what_ the node is supposed to be (is it a terrain tile, a

Re: [osg-users] osgAnimation supported files

2009-04-28 Thread Cedric Pinson
Hi, osgAnimation read only .osg file, there is a blender exporter that is able to export scene and animation to osg file format. I know Botorabi started to write a 3dsmax exporter to support osgAnimation but dont know if it's already useable or not. Botorabi could confirm or add more information

Re: [osg-users] osg-users Digest, Vol 22, Issue 89

2009-04-28 Thread Graham Rhodes ARA/SED
You can osgDB::getDataFilePathList, append new items to the list retrieved with that call, then and set the modified list back to osgDB. Graham Anders wrote--- From: Anders Backman ande...@cs.umu.se Subject: Re: [osg-users] Adding resource directory Yes I saw that one, but what

Re: [osg-users] [osg-submissions]osgParticle ParticleSystemandModularEmitterin different coordinate systems

2009-04-28 Thread Jolley, Thomas P
So, where does that leave us? What breaks by reverting the September changes on ModularEmitter.cpp? Do you have an example of your usage? Traversing the hierarchy to get double precision world matrices and applying it to single precision particle systems causes precision problems for my usage.

Re: [osg-users] Simple moving map using CADRG data

2009-04-28 Thread Glenn Waldron
Supposedly GDAL does support the TOC for CADRG/CIB: http://www.gdal.org/frmt_various.html (search for RPF) You might be able to coerce osgEarth's GDAL driver into doing what you want. Glenn Waldron : Pelican Mapping : http://pelicanmapping.com : +1.703.652.4791 On Tue, Apr 28, 2009 at 11:28

Re: [osg-users] The normal of my screen

2009-04-28 Thread Yurii Monakov
Computing (center - eye).normalize() we are doing unnecessary work. Look direction could be obtained directly from camera's matrix. 2009/4/28 Jean-Sébastien Guay jean-sebastien.g...@cm-labs.com Hi Mangu, If the the center is what I look at, so basically it's the normal of the plane (

Re: [osg-users] OpenSceneGraph-2.8.1 release candidate three tagged

2009-04-28 Thread Tony Horrobin
Ubuntu Hardy 32bit 2.6.23.14 #3 SMP gcc version 4.2.4 (Ubuntu 4.2.4-1ubuntu4) GeForce 8800 GTS/PCI/SSE2 3.0.0 NVIDIA 180.44 g++ -Wall -Wextra -Wno-unused-parameter Compiles OK. osgviewer freezes for 10s when changing ThreadingModel from CullDrawThreadPerContext to DrawThreadPerContext then

Re: [osg-users] The normal of my screen

2009-04-28 Thread Tueller, Shayne R Civ USAF AFMC 519 SMXS/MXDEC
The camera's orthonormal frame can be obtained as follows... osg::Matrixd vm = View-getCamera()-getViewMatrix(); osg::Vec3d Forward; osg::Vec3d Right; osg::Vec3d Up; Forward[0] = -vm(0,2); Forward[1] = -vm(1,2); Forward[2] = -vm(2,2); Right[0] = vm(0,0); Right[1] = vm(1,0); Right[2] = vm(2,0);

Re: [osg-users] Simple moving map using CADRG data

2009-04-28 Thread Alan Ott
Joe, I've done this, and I'll give you a basic overview of what I've done, but there may be better ways to do it, because I was fairly new to OSG at the time, and some of my ideas may be obsolete these days. The GDAL OSG plugin will give you image data (pixels), but will not provide the

[osg-users] Going beyond the matrix?

2009-04-28 Thread Paul
Hi, Lets say I have a MatrixTransform like: Code: osg::MatrixTransform* sceneTransform = new osg::MatrixTransform(); and I apply this matrix to it: Code: osg::Matrix zScale = osg::Matrix::scale(0.5f, 1.0f, 1.0f); sceneTransform-setMatrix(zScale); If I add another MatrixTransform to this

Re: [osg-users] Going beyond the matrix?

2009-04-28 Thread Ulrich Hertlein
On 28/4/09 8:01 PM, Paul wrote: osg::MatrixTransform* sceneTransform = new osg::MatrixTransform(); osg::Matrix zScale = osg::Matrix::scale(0.5f, 1.0f, 1.0f); sceneTransform-setMatrix(zScale); osg::MatrixTransform* panel = new osg::MatrixTransform(); sceneTransform-addChild(panel); osg::Matrix

Re: [osg-users] Going beyond the matrix?

2009-04-28 Thread Thrall, Bryan
Paul wrote on Tuesday, April 28, 2009 1:02 PM: because the second matrixTransform has been translated beyond the boundaries(scale) of the first MatrixTransform as in the scale is 0.5f and the translate is 2.0f, they both automatically gets translated so the 2 matrixTransforms are centered

Re: [osg-users] Going beyond the matrix?

2009-04-28 Thread Paul Martz
I concur with Bryan. You appear to be confused by the fact that the osgGA camera manipulators center on the bounding box of the scene graph, and you mistakenly believe that your scene is getting translated instead. To demonstrate what's happening, I suggest you run the following: osgviewer

Re: [osg-users] Going beyond the matrix?

2009-04-28 Thread Paul Martz
Look at the setHomePosition() method in (I think) osgGA::MatrixManipulator. As Bryan and I have both attempted to point out in previous emails, the osgGA classes automatically compute the home position based on bounding volume. (That's usually what you want for a default behavior.) Paul Martz

[osg-users] Thank you

2009-04-28 Thread Mathias
Hi everyone, I just wanted to say thank you to everyone who is involved in the OSG development. It has been a pleasure to explore the possibilities of OSG throughout my last projects. I expect more to come :-) I hope this is an acceptable place for this message. Nice greetings Mathias Buhr

Re: [osg-users] Brand New BlackBerry Storm 9500--$250 for sale.

2009-04-28 Thread Roland Smeenk
I don't see anything special in the log files so this looks like a manually registered user. I removed the user and deleted the original message from the forum. -- Roland -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=11011#11011

Re: [osg-users] using AABB instead of bounding sphere for intersection tests?

2009-04-28 Thread Peter Amstutz
Chris 'Xenon' Hanson wrote: I think the reason for the bounding spheres is that it is a very efficient-to-compute formula -- many times more efficient than AABB. Are you worried about intersection efficiency during cull phase, or during intersection testing, or where? Have you actually

Re: [osg-users] Brand New BlackBerry Storm 9500--$250 for sale.

2009-04-28 Thread Robert Osfield
On Tue, Apr 28, 2009 at 8:35 PM, Roland Smeenk roland.sme...@tno.nl wrote: I don't see anything special in the log files so this looks like a manually registered user. Does this mean spamers are registering just for the purpose of spaming, or could it be that legitimate subscriptions are being

Re: [osg-users] Going beyond the matrix?

2009-04-28 Thread Paul
Thanks all for the advice, I got what im looking for by simply using: Code: sceneTransform-setReferenceFrame(osg::Transform::RELATIVE_RF); Simple when you know how... :D -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=11014#11014

Re: [osg-users] using AABB instead of bounding sphere for intersection tests?

2009-04-28 Thread Jean-Sébastien Guay
Hello Peter, I'm trying to dig into the reasons that OSG intersections might be slower, and one of the first things that I noticed was the fact that our in-house library uses only hierarchical AABBs at all levels, whereas OSG uses mostly bounding spheres until getting down to the drawable

Re: [osg-users] Brand New BlackBerry Storm 9500--$250 for sale.

2009-04-28 Thread Roland Smeenk
Zarim registered yesterday and this was his first post. The admin interface has a spam log that shows all registration attempts and the answers given to the anti-bot question. This user was not in those logs. It could be that this spambot can register to forums by letting humans answer the

[osg-users] osgText texture not reloading correctly the second time?

2009-04-28 Thread Jean-Sébastien Guay
Hi all, I've got a weird thing occuring in our app. In this app, we can load multiple scenarios without quitting the app. We have some osgText::Text objects displaying text on screen. When we close the scenario to load a new one, all OSG objects are (theoretically) destroyed, including the

Re: [osg-users] Going beyond the matrix?

2009-04-28 Thread Paul
Skylark wrote: Hi Paul, Thanks all for the advice, I got what im looking for by simply using: Code: sceneTransform-setReferenceFrame(osg::Transform::RELATIVE_RF); That is not doing what you think it is. It's putting your scene in the same coordinate space as your camera, so

Re: [osg-users] Going beyond the matrix?

2009-04-28 Thread Jean-Sébastien Guay
Hi Paul, Thanks all for the advice, I got what im looking for by simply using: Code: sceneTransform-setReferenceFrame(osg::Transform::RELATIVE_RF); That is not doing what you think it is. It's putting your scene in the same coordinate space as your camera, so as your camera moves the scene

Re: [osg-users] osgText texture not reloading correctly the second time?

2009-04-28 Thread Robert Osfield
Hi JS, This does sound like an OpenGL object clear/reuse issue relating to text. Any chance you could create a simple example that demonstrates this issue? Robert. On Tue, Apr 28, 2009 at 9:28 PM, Jean-Sébastien Guay jean-sebastien.g...@cm-labs.com wrote: Hi all, I've got a weird thing

Re: [osg-users] osgText texture not reloading correctly the second time?

2009-04-28 Thread Jean-Sébastien Guay
Hi Robert, This does sound like an OpenGL object clear/reuse issue relating to text. Any chance you could create a simple example that demonstrates this issue? I'm doing that right now (both to check if it's reproducible in a simple form and as a possible test case to send). I'll send it

Re: [osg-users] Multiple Shaders Performance Question

2009-04-28 Thread Paul Speed
To be pedantic... mostly because I've been on the wrong side of this argument before and been proven wrong... Only back then I could only dream of doing the type graphics we can do now at even 60 hz. Those arguments were related to film speeds. :) There is no reason to send frames to your

Re: [osg-users] Picking Problem PolytopeIntersector

2009-04-28 Thread Martin Beckett
I have a model with lots of points and I want to find the front/first point under the mouse click (quickly) Options are a polytrope intersector with a small box (2x2 5x5 pixels). What if I used a few line lineintersectors spaced a pixel apart, would that be faster? Also is there a way to use