Re: [osg-users] osgdem segmentation fault

Hi, I've had some problems on Debian Lenny with gcc 4.3 and optimisations. I faintly remember an unexplained osgdem segfault as well. I'm not sure what version of gcc you have installed, but try with another version or other optim settings. jp benben wrote: Robert Osfield wrote: Hi Ben,

Re: [osg-users] Are there any plans for GPGPU utiliziation in OSG?

Hi, we've found OSG to be quite useful for image processing type GPGPU work. One can get quite a bit done in OSG with GLSL, multiple passes and multi-target FBOs. jp Robert Osfield wrote: Hi Judie, You wouldn't integrate GPUPU in the same way as SIMD instructions on the CPU for matrix

Re: [osg-users] Floating Point Texture Format

See here: http://article.gmane.org/gmane.comp.graphics.openscenegraph.cvs/3084/match=floating+tiff http://thread.gmane.org/gmane.comp.graphics.openscenegraph.user/31039/focus=31105 jp Bill Prendergast wrote: Are there any file formats that natively handle floating-pt RGBA values? I’m

[osg-users] osg::Material and shapes

Hi users, I'm trying to apply a material color to a shape. I assume material color is a state and can be applied to the group that contains the shape. This being said the basic code looks like this: osg::Group* pGroup = new osg::Group; osg::Geode* pGeode = new osg::Geode(); pGeode-addDrawable(

Re: [osg-users] How to apply shadows to a scene with different shaders- Part 2

Hi, As a propnent of IMPROVE_TEXGEN_PRECISION fix I feel I should make a response but I am not sure what your problems really are. Tweak in ShadowMap was related to the way OSG OpenGL computes final texture coordination matrix. I assume you have read OpenGL documentation and you know how

[osg-users] AutoTransform and small feature culling again

I have been through an issue that has been discussed previously on the osg-users mailing list. I have put the previous discussion below (it was end of august). The culling traversal was never called on an AutoTransform with auto scale because of small feature culling. So Robert answers with three

[osg-users] kdtree or k-dop tree?

hi all, The kdtree in the new version of osg2.6 is just a Binary Tree or it is the k-dop(discrate orientation polytope) tree? Anybody knows? thanks, peter ___ osg-users mailing list osg-users@lists.openscenegraph.org

[osg-users] osgPPU

Hi users, I have some questions related to the osgPPU, but don't know if this mailing-list is the right place to post these questions? It seems that osgPPU is a 3rd party software and not directly an OpenSceneGraph implementation and the site that has osgPPU has a helpdesk ticket system... so do

Re: [osg-users] kdtree or k-dop tree?

Hi Peter. On Thu, Sep 18, 2008 at 9:49 AM, 浣曚紵 [EMAIL PROTECTED] wrote: The kdtree in the new version of osg2.6 is just a Binary Tree or it is the k-dop(discrate orientation polytope) tree? Anybody knows? osg::KdTee is a binary tree with axis aligned bounding boxes - which makes it a

Re: [osg-users] kdtree or k-dop tree?

Hi Robert, In the latest version of OSG, KdTee must be used like this: osgUtil::IntersectionVisitor + osgUtil::LineSegmentIntersector,how can we used it like this:osgUtil::IntersectionVisitor + osgUtil::PolytopeIntersector? In my project i need to detect vehicle's collision,i

Re: [osg-users] kdtree or k-dop tree?

Hi Peter, The PolytopeIntersector doesn't yet have support for KdTree intersections. Feel free to add this functionality if you need it. Robert. 2008/9/18 浣�浼� [EMAIL PROTECTED]: Hi Robert, In the latest version of OSG, KdTee must be used like this: osgUtil::IntersectionVisitor +

Re: [osg-users] osgPPU

Hi Peter, I think nobody would complain if you ask your questions here. There are already some users using osgPPU successfully in their projects. What is your question? Best regards, art --- Peter Wraae Marino [EMAIL PROTECTED] schrieb am Do, 18.9.2008: Von: Peter Wraae Marino [EMAIL

Re: [osg-users] vrml plugin problems

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Ben Axelrod wrote: | I am trying to load a VRML file, but I get the error message: | | Warning: Could not find plugin to read objects from file foo.wrl. | | I tried this in OSG code, as well as with osgconv and osgviewer. I | have the OSG lib and

Re: [osg-users] osgPPU

Hi Art, thanks.. I actually tried to use the ticket system 10 minutes ago.. but it crashes and couldn't find an email on the website... so I'll post my question here: some code first (point of reference): HDRRendering* pHDRSetup = new HDRRendering; osgPPU::Unit* firstUnit = NULL;

Re: [osg-users] kdtree or k-dop tree?

Hi Robert, Can you talk about your mentality when you add KdTree to the osg? If i want to let PolytopeIntersector to support KdTree intersections, what should i do? How many functions and classes should i optimize? Just like the change of LineSegmentIntersector? thanks, Peter

Re: [osg-users] BUG:osgPlugins\OpenFlight\ExportOptions.cpp

Thanks John, change now merged and submitted to SVN. On Wed, Sep 17, 2008 at 2:25 PM, Argentieri, John-P63223 [EMAIL PROTECTED] wrote: J-S, OK. Here it is. John -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jean-Sébastien Guay Sent: Tuesday,

[osg-users] (no subject)

Hi, we want to switch between the shadow techniques at runtime. Sadly some shadows doesn't work correct. Would be cool if someone can help me with this. 1. ShadowVolume It doesn't work in two-pass mode at all. It just displays the shadow volume as a white mesh. screenshot:

Re: [osg-users] Floating Point Texture Format

Hi Bill, Are there any file formats that natively handle floating-pt RGBA values? In addition to the modified TIFF reader and the ad-hoc reader that J.P. linked you to, the .hdr format is readable out of the box by OSG, and there might be an OpenEXR reader somewhere (not sure). Hope this

Re: [osg-users] Floating Point Texture Format

On Thu, Sep 18, 2008 at 2:29 PM, Jean-Sébastien Guay [EMAIL PROTECTED] wrote: Hi Bill, Are there any file formats that natively handle floating-pt RGBA values? In addition to the modified TIFF reader and the ad-hoc reader that J.P. linked you to, the .hdr format is readable out of the box by

Re: [osg-users] osgdem segmentation fault

Robert Osfield wrote: Hi Ben, Thanks for the extra info. The segfault without any options suggests a build issue or link issue of some kind. Could you provide the stack trace? Sure, the core file reads #0 0x7fa215d13af2 in ?? () from /usr/lib/libGL.so.1 #1 0x7fa216c730d9 in

Re: [osg-users] osgdem segmentation fault

J.P. Delport wrote: Hi, I've had some problems on Debian Lenny with gcc 4.3 and optimisations. I faintly remember an unexplained osgdem segfault as well. I'm not sure what version of gcc you have installed, but try with another version or other optim settings. The GCC version on my machine

Re: [osg-users] Shadow techniques (was: (no subject))

Hello Christopher, we want to switch between the shadow techniques at runtime. Sadly some shadows doesn't work correct. Would be cool if someone can help me with this. In general, shadow techniques in the OSG are very much in their infancy and are probably not production ready for the most

Re: [osg-users] osgdem segmentation fault

Hi Ben, The stack trace suggests a problems with pbuffers, which could well be a GLX/OpenGL driver bug. What hardware and OpenGL drivers are you working with? Could you try : osgprerender cow.osg --pbuffer. As for compiling from source it should just be a case of : cd OpenSceneGraph

Re: [osg-users] Fwd: problem on render order

Hi Ufuk? (could you sign your posts with the name you'd like to be addressed as to make it clear how to address you), There isn't really enough info about how you are going about rendering the terrain, the roads or the trees to know what might be amiss, as things stand one struggles can only

Re: [osg-users] Multi-pass rendering in OSG

Art Tevs wrote on Wednesday, September 17, 2008 5:39 PM: To your question. There is already a check of the framebuffer state after each frame. Hence you will recieve an error if something goes wrong. The only places I've found glCheckFramebufferStatusEXT calls is in RenderStage in

Re: [osg-users] OSG 2.6 API Documentation in HTML, HTML Help and PDF format

Ernst, Your 1.2 docs have been a permanent shortcut on my desktop for several years now, so many thanks for doing the same for 2.6! David ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] Floating Point Texture Format

OSG also writes Radiance format (.hdr) David ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

[osg-users] A couple of Cmake issues with 2.6

Hi All I'm having a couple of issues with Cmake 2.4 or 2.6 with the 2.6 branch ( I'm a Cmake newbie ) ( no had this with OSG 2. x) CMAKE_INTDIR=\Debug\ CMAKE_INTDIR=\Rlease\ or is being added the preprocessor, and this is causing my link to fail s with errors similar to cl : Command line

[osg-users] how to get model scale？

hi all, When the secne is zoomed in or out ,I want to get the zoom scale.I do it like this: osg::Camera* camera= viewer.getCamera(); osg::Matrix vm=camera-getViewMatrix(); osg::Vec3 scale=vm.getScale(); the result is that scale always equals to (1,1,1).What does this mean

[osg-users] Profiler with OSG

Hi, Searching memory leaks, I use some libraries looking at leaks but it is very difficult to know if a leak is really one or not, specially due to ref_prt. Is there any free profiler (memory, time, number of acces, ...) for windows or even for VS 2005 (not Team edition) to trace an OSG based

Re: [osg-users] how to get model scale？

Hi Maybe the camera is only moved and not scaled... try with getTrans(); Vincent. 2008/9/18 forest37 [EMAIL PROTECTED] hi all, When the secne is zoomed in or out ,I want to get the zoom scale.I do it like this: osg::Camera* camera= viewer.getCamera(); osg::Matrix

Re: [osg-users] how to get model scale?

if you want to just zoom then adjust the Horizontal field view If you want to scale the scene, parent the scene to a transform and set the scale on the transform ( not the view matrix) Gordon __ Gordon Tomlinson Product Manager 3D

Re: [osg-users] how to get model scale？

Hi Forest, The Camera simply doesn't have a zoom scale, it just has a view matrix. The zoom is only relevant to specific camera manipulator models that have a concept of zooming - like osgGA::TrackballManipulator and osgGA/TerrainManipulator, so you could get this info directly from these if you

[osg-users] Problems with multi-monitor and DrawThreadPerContext mode

Hi all, First of all, here are the setups I currently use : - 1x GeForce 8600 GTS with 2 monitors - 2x GeForce 8900 GT with 2 monitors (one on each card) The whole installed with Windows XP, the latest OSG version and the latest NVidia drivers. My application use the two screens (a part of the

Re: [osg-users] how to get model scale？

I'm not entirely sure what you mean by scale of the scene from your message. To me, this is an application concept. The user sets the scale using some user interface, and the application stores this value and modifies the scene graph to redraw the scene at a different size. If your application

Re: [osg-users] osgdem segmentation fault

Robert Osfield wrote: Hi Ben, The stack trace suggests a problems with pbuffers, which could well be a GLX/OpenGL driver bug. What hardware and OpenGL drivers are you working with? Hardware: Intel Integrated Graphics G965 Driver: The Intel graphics driver (intelfb.ko) OS Kernel: Linux

Re: [osg-users] Problems with multi-monitor and DrawThreadPerContext mode

Hi Serge, Anyone has already seen such a problem ? Or anyone has some success with multi-monitor on WinXP and NVidia cards ? Search the archives for multi-monitor, Windows XP, NVidia. You'll find extensive discussion in the past few months, with great investigation by Wojtek Lewandowski.

Re: [osg-users] [osg-submissions] BUG:osgPlugins\OpenFlight\ExportOptions.cpp

The change is now merged, revision number was . Excellent. I've merged this onto the 2.6 branch. -Paul ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] osgdem segmentation fault

Hi Ben, Hardware: Intel Integrated Graphics G965 Driver: The Intel graphics driver (intelfb.ko) OS Kernel: Linux 2.6.24, if this matters. Yeah, integrated graphics generally don't fare well with FBOs or pbuffers. Hopefully it shouldn't crash though, it should tell you it's not supported

Re: [osg-users] A couple of Cmake issues with 2.6

found the issue with the cl : Command line warning D9025 : overriding '/Fotg_OpenThreads.dir\Debug\' with '/Fo' cl : Command line error D8016 : '/fp:fast' and '/fp:except' command-line options are incompatible Some command line option were gettng added incorrectly so rjust removing them all solved

Re: [osg-users] Problems with multi-monitor and DrawThreadPerContext mode

Hi Serge, Try latest NVidia 177.92 beta drivers. They fixed my latest problems related to multithreaded use. Also may I suggest to stick to --SingleThreaded and --CullDrawThreadPerContext modes while testing ? If everything goes fine then try other threading modes. Default threading mode is

Re: [osg-users] Vanishing Particles

Hmm...I didn't realize you were trying to use a persistent pointer like that; I've been having similar troubles with the color setting ... and have tried a nuber of thing, both sub-classing osg::Particle and osg::ParticleSystem both, each resulting in new problems. If you subclass osg::Particle

Re: [osg-users] Problems with multi-monitor and DrawThreadPerContext mode

Thanks Wojciech for the tip, I'll try the beta drivers, but could you explain why CullDrawThreadPerContext should be safer than DrawThreadPerContext ? On Thu, Sep 18, 2008 at 6:04 PM, Wojciech Lewandowski [EMAIL PROTECTED] wrote: Hi Serge, Try latest NVidia 177.92 beta drivers. They fixed my

Re: [osg-users] Problems with multi-monitor and DrawThreadPerContext mode

Thanks you very much for this explanation Robert, I better understand it now. As a side note, setting a drawable to DYNAMIC protects it from being modified by the update traversal, but if I remove a drawable (or its geode) from the scene during the update, do I need to set it to DYNAMIC too ? In

Re: [osg-users] osgdem segmentation fault

Hi Ben, This is almost certainly a driver bug. Have a look at the support sits for the Intel hardware to see if there is any reports about problems with pbuffers/FBO's and any fixes that can be applied. In terms of workarounds, osgdem requires a graphics context, so could probably just use a

Re: [osg-users] osgdem segmentation fault

Jean-Sébastien Guay wrote: Hi Ben, Hardware: Intel Integrated Graphics G965 Driver: The Intel graphics driver (intelfb.ko) OS Kernel: Linux 2.6.24, if this matters. Yeah, integrated graphics generally don't fare well with FBOs or pbuffers. Hopefully it shouldn't crash though, it should

Re: [osg-users] osgdem segmentation fault

Robert Osfield wrote: Hi Ben, This is almost certainly a driver bug. Have a look at the support sits for the Intel hardware to see if there is any reports about problems with pbuffers/FBO's and any fixes that can be applied. In terms of workarounds, osgdem requires a graphics context, so

Re: [osg-users] Problems with multi-monitor and DrawThreadPerContext mode

Hi Serge, On Thu, Sep 18, 2008 at 5:16 PM, Serge Lages [EMAIL PROTECTED] wrote: Thanks Wojciech for the tip, I'll try the beta drivers, but could you explain why CullDrawThreadPerContext should be safer than DrawThreadPerContext ? A scene graph that has it's Drawable and StateSet DataVariance

Re: [osg-users] Camera control and view matrix

Hi, Robert. You've said: As for examples of manage the view matrix, there should be examples in the archives, but in the end it all boils down to not using a CameraManipulator and instead calling on each frame: viewer.getCamera()-setViewMatrix(viewMatrix); How do I stop using the default

Re: [osg-users] Camera control and view matrix

I believe it's just a simple matter of commenting the manipulator out where you call viewer-setCameraManipulator(). That's what I do when I want explicit control of the camera via my own view matrix... -Shayne -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf

Re: [osg-users] Camera control and view matrix

Hi Renan, The osgViewer::Viewer by default doesn't have any camera manipulators attached, but... if you call run without attaching a camera manipultor then it'll add a TrackballManipulator as a fallback to make the view usable. If you are controlling the view matrix from your own frame loop then

Re: [osg-users] Camera control and view matrix

Hi Renan, Thanks for the link, I'll update it tomorrow, unless some kindly soul gets to it before me :-) Robert. On Thu, Sep 18, 2008 at 5:36 PM, Renan Mendes [EMAIL PROTECTED] wrote: Robert, The page I'm talking about that still references osg::Producer is

Re: [osg-users] Camera control and view matrix

Grepping the osgViewer source for TrackballManipulator should reveal that you only get one by default if you call Viewer::run(). Don't call that, instead call Viewer::done() and Viewer::frame(). Then you won't get a default camera manipulator. -Paul _ From: [EMAIL PROTECTED]

[osg-users] loading vrml segfault

When I try to load a VRML 1.0 file in OpenSceneGraph, it segfaults. I am using OpenSceneGraph 2.6, and OpenVRML 0.14.3. I have attached the file that causes the segfault, as well as the same file with some minor changes to make it run properly. The segfault happens inside:

[osg-users] Adding code for movie textures

I've been trying to find a way to get movie textures to play using only a .osg file as the input to osgviewer. From skulking around in the source code I figured out how osgviewer --movie plays movies on a polygon and took that idea and applied it to the texture handling source files in

[osg-users] osgCairo, osgPango

Hi all, especially Jeremy :-) I've been looking forward to trying out osgCairo for a while now, and now that osgPango has been released (at least in its first version), I figured I'd give it a try. Unfortunately, it looks like it will be a bit difficult to get them to compile on Windows,

Re: [osg-users] osgCairo, osgPango

Hi Jeremy, In the hope that my wandering will help someone in the future... Incidentally, I thought this info would be useful to other potential users of your nodekits on Windows, but I can't find an add page button for the wiki on osgpango.googlecode.org... Do new pages need to be added

[osg-users] head intact

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[osg-users] CompositeViewer, update traversal, prerender branch

Hi everybody, Ive got some problems with displaying the result of a prerender step in different views. The root node has two basic branches: a prerender branch that renders and processes a live camera image, and a main render branch, that has two subnodes. The output texture of the