Re: [osg-users] GL_RGBA32F_ARB Pixel Buffer

Hi Steven, I'm not so sure, but maybe you should try to set the render target implementation to FRAME_BUFFER_OBJECT, as done in the prerender example? What graphics card do you use? Does it work for you with GL_RGBA16F_ARB? Guy. I'm getting all 0s for my pixel buffer when I use

Re: [osg-users] JavaOsg

Hi Rafael, I'm not sure but I think JavaOSG does not continue active.. anyway I think the problem could be related to: Texture2D myTexture = new Texture2D(); myTexture= null; Image img = new Image(); img =null; If you do a new and after you set the variable to null. Probably

[osg-users] Multi Projector edge blend and bend (distortion correction)

Hi, I was wondering if OSG has distortion correction built in for multi projector displays so that the edges blend nicely. I vaguely recall reading that OSG has built in support for this but can't seem to find any information on it. (other than the post:

[osg-users] glActiveTextureARB in OSG

Hello all, I want to use the glActiveTextureARB in my Programm, but it doesn't work. I get the message that the glActiveTextureARB is not declared in this scope. I think the problem is the nvidia driver. It replace the OpenGL headers. But in OSG it works fine, but why? I would like change the

Re: [osg-users] Strange setImage behaviour

Hi! The problem is when I convert my image (instead of when I open it with osgDB::readFile, but I can't do it in my final purpose) my quad isn't textured. img-imageData exists, it's an attribute of the opencv's image's class. Thanks -- Read this topic online here:

Re: [osg-users] [forum] Can't attach header files

The simplest workaround to this limitation is wrapping everything up in a zip file. -- Roland -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=8208#8208 ___ osg-users mailing list

Re: [osg-users] Simple question: How to set the icon that will be used when a viewer is realized?

Hi Matt, Could you post the whole modified files, I can then review then with a view to merging them or something similar. Cheers, Robert. On Tue, Mar 10, 2009 at 6:43 PM, Matt McPheeters mmcpheet...@rscusa.com wrote: Awesome, it worked.  The icon I was talking about is the one in the upper

Re: [osg-users] Barrier for draw threads?

HI JS, Just select the CullDrawThreadPerContext threading model, this will automatically sync the end of the frame dispatch inside the viewer rendreingTraversals()/frame(). Robert. On Tue, Mar 10, 2009 at 7:44 PM, Jean-Sébastien Guay jean-sebastien.g...@cm-labs.com wrote: Hi Robert, I was

[osg-users] How could i zoomin/out by mouse?

i get a example to roam about in the scene. but it only support move left/right/forward/backward by keyboard and rotate by mouse. my client is familiar with 2D gis software,so he want to zoom in/out by mouse like what he does in a 2D scene. he wants to drag a rectangle box in the screen and

Re: [osg-users] osgdem question: Triangle Mesh Simplification Algorithm Based on Edge Collapse.

Hi ? Could you please sign with your name so we can address you correctly, 2009/3/11 zjhtyp_021 zjhtyp_...@163.com:    Hi!    I'm attempting to know the Algorithm of Triangle Mesh Simplification Based on Edge Collapse in osgdem.but there is a lack of correlative information,so i seek help

Re: [osg-users] How could i zoomin/out by mouse?

to roam in the scene he wants to use mouse also, what he want is he click mouse on the screen, and the view will move to that position. -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=8212#8212 ___

Re: [osg-users] Multi Projector edge blend and bend (distortion correction)

Hi Bino, The OSG only currently has distortion correction built in for spherical displays with a single projector. General distortion correction can be implemented on top of osgViewer in the same way as the I implemented the spherical display distortion correction - using a series of slave

Re: [osg-users] glActiveTextureARB in OSG

Hi Martin, The OSG queries OpenGL extensions at runtime, so even if the header doesn't contain the function then it'll be able to pick it up from the driver. As a general note, I'd recommend avoiding calling OpenGL yourself, and port your code across to using the OSG classes to do the OpenGL

Re: [osg-users] Problem with animations on VR platform.

Hi David. I'm also starting with VR Juggler and found the same problem, but I think I found the solution. Robert Osfield gave us the key in his post, the SimulationTime is not being correctly updated in osgapp.h because there is a little bug in the code. If you open this file and go to the

Re: [osg-users] Simple question: How to set the icon that will be used when a viewer is realized?

Robert, I'm probably stating the obvious, but besides Matt changes I guess icon loading implementation for each of the platforms except windows will be required too. Guy. Hi Matt, Could you post the whole modified files, I can then review then with a view to merging them or something

Re: [osg-users] Strange setImage behaviour

Hi Max, On Wed, Mar 11, 2009 at 8:42 AM, Max osgfo...@tevs.eu wrote:  The problem is when I convert my image (instead of when I open it with osgDB::readFile, but I can't do it in my final purpose) my quad isn't textured. img-imageData exists, it's an attribute of the opencv's image's

Re: [osg-users] Simple question: How to set the icon that will be used when a viewer is realized?

2009/3/11 Guy g...@dvp.co.il: Robert,  I'm probably stating the obvious, but besides Matt changes I guess icon loading implementation for each of the platforms except windows will be required too. Yes it will, but the first step is to get an interface defined, then implementations can

[osg-users] Shadow question

Hi, I need to have some parts in the scene that must to produce shadow but don't must receive it. I use the new osg 2.8 I have read in past post that the mask ReceivesShadowTraversalMask don't works, if i use the new ViewDependentShadowTechnique, i can resolve my problem? How work this new

Re: [osg-users] [forum] Can't attach header files

Hi Martin, this is not a bug this is a feature ;) The default phpBB2 forum software doesn't allow to add a new file type with no extensions to allowed type of attachments The only way to overcome this issue is to use the workaround proposed by Roland. However non-forum users could not follow

Re: [osg-users] cast ray into scene

Hi Ben, In my engine, I got a method that takes a View and an optional NodePath. Notes: - I created an invisible plane so that I can test against that plane. - pointerX and pointerY are class members (you may refactor so that it suits your needs). - Here my method assumes there is at most

Re: [osg-users] Simple question: How to set the icon that will be used when a viewer is realized?

Robert Osfield schrieb: Ideally we'd have one standard way for all platforms. OS X does not display application-icons in the window titlebar. There are socalled proxy-icons showing the icon of the currently opened file in that window, all you need is a full path to the file, whose icon should

Re: [osg-users] Strange setImage behaviour

Robert, Not that I want to hijack the thread, but a small (more OpenGL) question on this area, as it has always confused me: The internalTextureFormat is the pixel type when stored down on the GPU. Typically it's be GL_RGB, or just 3 (number of components) for RGB data. Both the

Re: [osg-users] Strange setImage behaviour

On Wed, Mar 11, 2009 at 9:58 AM, David Spilling david.spill...@gmail.com wrote: So for internalTextureFormat, 3, GL_RGB and GL_RGB8 are all equivalent? The internalFormat comes from our use of glTexImage*D, so the OpenGL docs for glTexImage2D are very useful:

Re: [osg-users] GL_RGBA32F_ARB Pixel Buffer

Hi Steven, try setInternalTextureFormat(GL_RGBA32F_ARB); setPixelFormat(GL_RGBA); setDataType(GL_FLOAT); Rudi -Original Message- From: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] On Behalf Of Guy Sent: Wednesday, March 11, 2009

Re: [osg-users] osgMemoryTest

Kim, I've the same card and the same problem. Did you figure it out? Is it drivers issue? Thanks, Guy. מאת: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] בשם Kim C Bale נשלח: Tuesday, March 03, 2009

Re: [osg-users] Matrix decompose and non-uniform scaling

Hi All, there have been no replies to this thread, but I have found exactly the same problem here. In particular it appears only when scale components x and y are equivalent, and (on our boxes, running WinXP) only in release compiled code - the debug version works correctly!! I don't know

Re: [osg-users] osgMemoryTest

Hi Guy, This is interesting actually, I ran that test because I was having problems with osgText. I’m pretty sure the osgText problem was a driver issue, I ended up reinstalling windows and installing the 7.15.11.7813 drivers for vista which I knew I could rely on. The osgText issue

[osg-users] תשובה: osgMemoryTest

OK, thanks. If I'll find anything I'll post it here. Guy. מאת: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] בשם Kim C Bale נשלח: Wednesday, March 11, 2009 1:49 PM אל: OpenSceneGraph Users נושא: Re:

[osg-users] QT::FramelessWindowHint and OSG

Hi guys! I haven't solved the problem with creating borderless window using QT 4.4.3 AdaptorWidget and QOSGWidget don't work when I simply add this line viewerWindow-setWindowFlags(Qt::FramelessWindowHint); If anyone solved it please email me. Thanx in advance Bye

Re: [osg-users] Barrier for draw threads?

Hi Robert, Just select the CullDrawThreadPerContext threading model, this will automatically sync the end of the frame dispatch inside the viewer rendreingTraversals()/frame(). OK, I'll try that. Thanks, J-S -- __ Jean-Sebastien Guay

Re: [osg-users] QT::FramelessWindowHint and OSG

Sorry Guys I solved it if you set in constructor ViewerQOSG(QWidget * parent = 0, const char * name = 0, WindowFlags f = Qt::FramelessWindowHint): QOSGWidget( parent, name, f ) But I still have a message that recursive repaint detected if I use single window on QOSGWidget Is

[osg-users] Release schedule for OpenSceneGraph-2.8.1

Hi All, For all the testing we did on OpenSceneGraph-2.8.0 there was still a number bugs that got through, and were only reported and fixed after the release. I've been merging all the appropriate fixes to both svn/trunk and the OSG-2.8 branch. I've not checked in any API changes or additions

Re: [osg-users] JavaOsg

Hi Rafa, I just took a quick look @osgvp. How much of osg is actually wrapped in java with osgvp? Is it auto-gen (via swig or something) or are the wrappers hand written/maintained? I ask because it would be useful to have java wrapping functionality in osg (IMHO) and I¹ve had a heck of a time

Re: [osg-users] GL_RGBA32F_ARB Pixel Buffer

That looks like it did it! Thanks! -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=8256#8256 ___ osg-users mailing list osg-users@lists.openscenegraph.org

[osg-users] GLDirect - OpenGL on top of Direct3D

Hi all, I was downloading Mesa today to see how some things were implemented (out of curiosity) and saw a gldirect directory containing dx7, dx8 and dx9 subdirectories... I looked up the name gldirect and turns out it's a product that enabled OpenGL apps to run on DirectX, based on Mesa, and

Re: [osg-users] Release schedule for OpenSceneGraph-2.8.1

Hi Robert, A couple of factors are at play - one we all have our own work to get on with and testing release candidates is a pain... it takes time and effort out of already full schedules, so we'll want to avoid a drawn out testing period and we'll also want to pick a period when developers are

[osg-users] newbie question (UNCLASSIFIED)

Classification: UNCLASSIFIED Caveats: NONE I'm translating some opengl code to OpenSceneGraph. I've figured out how to most of the stuff I need except I'm having trouble getting the rotations and translations to play nice. My code example that I need to translate:

Re: [osg-users] newbie question (UNCLASSIFIED)

Hello Daniel, translate-addChild( rotate.get() ); camera-addChild(translate.get()); translate-addChild( triangle.get() ); You're adding the triangle to the translate, but the rotate is also a child of the translate, so they're siblings. The triangle should

Re: [osg-users] Can't write to ALPHA component with custom fragment shader in RTT pass

Thanks for all your help. It directed me to the solution! For other users who face the same problem: The setting to obtain a RGBA texture with 32Bit floats per component which one can write unclamped values to is as follows: Code: osg::Texture2D texture2D = new osg::Texture2D;

Re: [osg-users] newbie question (UNCLASSIFIED)

Classification: UNCLASSIFIED Caveats: NONE thanks. that seems to have been my problem. -Original Message- From: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users- boun...@lists.openscenegraph.org] On Behalf Of Jean-Sébastien Guay Sent: Wednesday, March 11, 2009 9:31 AM

[osg-users] Can I render to a texture AND to the screen in one pass?

Hi everyone, what I want is to obtain the z-Buffer content from a previous render pass (pass1) where I render my scene and use it in a subsequent render pass (pass2). Of course I would like to avoid doing pass1 twice, first to render to the screen and second to render the z-buffer to a texture

Re: [osg-users] Multi Projector edge blend and bend (distortion correction)

Robert- I'm glad this topic was brought up. I am doing some work with non-linear distortion correction and have taken the code in osgViewer for doing the spherical distortion and made it more generic to accept a grid of points that represent the distortion mesh. This is just what the spherical

Re: [osg-users] Strange setImage behaviour

Hijackers! Thanks a lot David and Robert, the problem was really in GL_TEXTURE_2D which must be replace by GL_RGB8 as David said. The problem's fixed! However, I'm quite confused, I believed GL_TEXTURE_2D was type of GLint and GL_RGB8 of GLenum... -- Read this topic online

Re: [osg-users] [forum] Can't attach header files

No problem - sorry I'm not a php programmer. It took me a few goes to work out what was wrong (I use Opera which sometimes has problems) I just thought I would point it out in case anyone else hit it. Thanks for all the good work, I have webmail so the forum is much easier than the mailing

[osg-users] switch between two camera

Hi what is the best way to switch between 2 cameras to render? Each camera corresponding to a point of view, I need to render only one camera at once. thanks ___ osg-users mailing list osg-users@lists.openscenegraph.org

[osg-users] osgswig: new context, traits?

Dear ng, when I want to open a new graphics context and attach it to a camera in c, this would look like: osg::ref_ptrosg::GraphicsContext::Traits traits = new osg::GraphicsContext::Traits; [...] osg::ref_ptrosg::GraphicsContext gc =

Re: [osg-users] Can I render to a texture AND to the screen in one pass?

Hi Daniel, I heard along time back that such support exists on the XBox... but I haven't ever seen any OpenGL extensions that support using the front buffer as a texture source. Robert. On Wed, Mar 11, 2009 at 2:47 PM, Daniel Holz osgfo...@tevs.eu wrote: Hi everyone, what I want is to obtain

Re: [osg-users] Multi Projector edge blend and bend (distortion correction)

Hi John, I'm certainly open to this approach - it's one I've considered for a while, so please post what code you have. Are you adding an extra class to manage the distortion correction? Robert. On Wed, Mar 11, 2009 at 3:10 PM, John Aughey j...@aughey.com wrote: Robert- I'm glad this topic

Re: [osg-users] Strange setImage behaviour

Hi Max, On Wed, Mar 11, 2009 at 3:16 PM, Max osgfo...@tevs.eu wrote: However, I'm quite confused, I believed GL_TEXTURE_2D was type of GLint and GL_RGB8 of GLenum... There are used for controlling different parts of OpenGL. OpenGL has lots of GLint/GLenum that are all used for different

Re: [osg-users] Multi Projector edge blend and bend (distortion correction)

I haven't thought through how the interface would look with osgViewer. In my external implementation, I do have a class that holds on to the distortion geometry and allows new meshes to be given to change the pattern (for dynamic calibration). One thought is to have an

Re: [osg-users] Multi Projector edge blend and bend (distortion correction)

Hi John, On Wed, Mar 11, 2009 at 4:20 PM, John Aughey j...@aughey.com wrote: I haven't thought through how the interface would look with osgViewer.  In my external implementation, I do have a class that holds on to the distortion geometry and allows new meshes to be given to change the pattern

[osg-users] osgCuda: Using CUDA in osg - Problem with Threading

Hi, my name is Mick an I'm currently involved in a project we call osgCuda. osgCuda is based on osgPipe which can be added as a leaf node anywhere into the osg-scenegraph and which enables you to jump to the GPU for any kind of calculations using Nvidia's CUDA. The data manipulated by CUDA is

Re: [osg-users] osgText::Text rotation

Hi Dirk, Maybe you have the same problem than I had : http://thread.gmane.org/gmane.comp.graphics.openscenegraph.user/38200/focus=38214 (sorry no solution...) Vincent. 2009/3/11 Dirk Uys dirkc...@gmail.com Hi I'm new to OSG, but not so new to scene graphs in general. I'm trying to make

Re: [osg-users] osgCuda: Using CUDA in osg - Problem with Threading

Hi Mick, Interesting news about osgCuda :-) I'm open to merging changes to the core OSG to facilitate third party NodeKit's like osgCuda. I'm not familiar with implementation/usage of Cuda so I can't comment on specifics. A few general notes, the osg::GraphicsContext currently does clean up of

Re: [osg-users] glActiveTextureARB in OSG

Robert Osfield wrote: Hi Martin, The OSG queries OpenGL extensions at runtime, so even if the header doesn't contain the function then it'll be able to pick it up from the driver. As a general note, I'd recommend avoiding calling OpenGL yourself, and port your code across to using the OSG

Re: [osg-users] osgText::Text rotation

Try this: osg::Matrix cell2map = env-getInputSRS()-getInverseReferenceFrame(); osg::Vec3d feature_center = point * cell2map; feature_center.normalize(); osg::Vec3d cell_center = osg::Vec3d(0,0,1) * cell2map; cell_center.normalize(); osg::Quat q; q.makeRotate(

[osg-users] Qt4.5 problem

I'm getting nowhere trying to make Qt 4.5 work with OSG on windows. Using QOSGWidget() leads to the scene recursively repainting itself, Adapterwidget is fine. This is with the default -graphicssystem raster passed to Qt. If you use the new -graphicssystem opengl it works, but all non-osg Qt

[osg-users] Extending the osgViewer::StatsHandler graph

What would it take to add another attribute to the statshandler graph? In my scene graph I do physics calculations between frames, and it would be nice if I could say, start a timer before I run my physics loop, end the timer when it's finished, and have that time added to the statistics

[osg-users] how to use osgText to make sign

I was wondering if there was an easy way (i.e. some osgText function) to make a backdrop quad that sits behind an osgText in 3d world space in order to make something like a road sign with the word STOP on it. I looked through the osgText documentation, but didn't see anything obvious, but I

Re: [osg-users] Extending the osgViewer::StatsHandler graph

Hi Alex, What would it take to add another attribute to the statshandler graph? In my scene graph I do physics calculations between frames, and it would be nice if I could say, start a timer before I run my physics loop, end the timer when it's finished, and have that time added to the

[osg-users] stopping an asynchronous viewer

If I started the viewer with the run() method (in a separate thread), is it sufficient to call viewer-setDone(true) to stop it? Do I have to call viewer-stopThreading() after calling setDone? Cory ___ osg-users mailing list

Re: [osg-users] JavaOsg

I JUST SEE THE ANSWERS AND I FINALLY DID IT, WHIT: IMG.DATA(); THANKS FOR ALL -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=8290#8290 ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] JavaOsg

*with -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=8291#8291 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] osgCuda: Using CUDA in osg - Problem with Threading

Hi Robert, thanks for your quick reply. We are really looking forward to opening osgCuda to the public. We stay also in close contact with Art Tevs. Robert Osfield wrote: A few general notes, the osg::GraphicsContext currently does clean up of OpenGL objects during the

[osg-users] Bug in RenderBin (?)

Hi, I'm new to OpenSceneGraph and not sure if I get everything right. I get crashes with Visual Studio 2005 static build after the main function returns. The crash occurs while the static s_renderBinPrototypeList is destructed. While debugging, I have found something suspicious: There are two

[osg-users] Mac OSX NVIDIA GLSL bug w/ Uniform arrays broken

Robert et al., I've run into a driver bug on OSX where all GLSL uniform array elements are returning a value of 0 in the shader as though they were not bound. This is the same bug referenced in this thread: http://markmail.org/thread/5mans4howfbu2qtg But, it is no longer an ATI only bug as I

[osg-users] Easy conversion from Flat Earth to WGS-84?

I currently have a scene set up and working well.  There is a top level scene node, under there are the many objects that exist in the scene.  Each object within the scene is set up as follows: Switch --   Currently, the whole system works great in a flat-earth environment.  I have

Re: [osg-users] Easy conversion from Flat Earth to WGS-84?

Check out the coordinatesystemnode (something like that). Brian This is a PRIVATE message. If you are not the intended recipient, please delete without copying and kindly advise us by e-mail of the mistake in delivery. NOTE: Regardless of content, this e-mail shall not operate to bind CSC to any

[osg-users] order independent transparency (OIT) and OSG

I was wondering if OIT (order independent transparency) as mentioned in this presentation about OIT and OSG has been implemented or made available... http://www.slideshare.net/acbess/order-independent-transparency-presentation -- Read this topic online here:

Re: [osg-users] osggis crash on attribute query

Hi Jason, I tried other older versions under my Debian lenny. It has the same problem. Maybe some changes in osggis svn lead to this? Legeo 2009/3/6 Jason Beverage jasonbever...@gmail.com Hi, Does it work alright for you under 2.6? I'll try to take a look at it if I get a chance.

Re: [osg-users] Configuring OSG for stereo

Robert, The problem I was having with convergence/parallax distance was because I was directly setting the camera via viewer-getCameraManipulator()-setByMatrix( R2 * R1 ); So even though I tried setting FusionDistance nothing was happening because the manipulators center point was not

[osg-users] Memory/GDI leak of OSG 1.2

I'm using OSG 1.2 and find that the memory/gdi/handle leak in different situation. For some NVIDIA card, there are memory and gdi leak. For some ATI card, all things seems work well... I think this is cased by the implementation of different graphics card's driver. How you handle it in OSG,

[osg-users] OpenFlight Models?

By any chance is anyone aware of a website that provides a few demo OpenFlight (*.flt) urban terrains? I would like to test out OpenSceneGraph's capability to load in OpenFlight models. I would like to have a generic urban environment or large rural area. Thanks for any feedback that is

Re: [osg-users] OpenFlight Models?

See http://www.vis-sim.com/performer/index.htm#Links follow the performer links it should get you the Old Perfomer town model, not great but is something to try Also Multigen with Creator/Vega/VegaPrime supply several sample models/terrains as well with their products See the Vega Town link