[osg-users] maxTime( OpenGL, OSG )

Hi OSG Users, I have been playing OSG for a year. And so far I have started to learn OpenGL formally. I mean I only stepped to Graphics World based on OpenGL maxTime( OpenGL, OSG ) ~= 1 year. So I wonder to know peoples OpenGL story on this site to guess how long do I need time to learn Graphics

Re: [osg-users] Multi-threading bug related to Registry

Robert, Note that Rick responded to your question although to the osg-users Digest mail so it will probably not show as a follow up in your e-mail box. See http://lists.openscenegraph.org/pipermail/osg-users-openscenegraph.org/2 008-November/019505.html Sorry for pushing you around, but I happen

[osg-users] Character motion plugin (ReaderWriterBVH) in progress

Hi all, hi Cedric, I'm just working on a plugin to read Biovision hierarchical files (.BVH) to generate character motion animations. BVH format is widely used in Character Studio of 3dsmax, Motion builder and other software. The plugin is based on the latest osgAnimation library in the SVN

Re: [osg-users] Multi-threading bug related to Registry

HI Roland, I did read the reply, and I have already reponded. Robert. On Fri, Nov 28, 2008 at 8:19 AM, Smeenk, R.J.M. (Roland) [EMAIL PROTECTED] wrote: Robert, Note that Rick responded to your question although to the osg-users Digest mail so it will probably not show as a follow up in your

Re: [osg-users] osgAudio / osgAL

Hi Sukender, On Thu, Nov 27, 2008 at 10:07 PM, Sukender [EMAIL PROTECTED] wrote: And maybe we should have a look to some other libs too, such as SFML ( http://www.sfml-dev.org )? This just adds more dependencies...include OpenAL so I'm not sure it's make things any simpler than just

Re: [osg-users] Videos of DBGS Trian3D

Hi Jean-Sébastien, Very nice stuff. I've looked through your sample databases, and it looks very good. I have a few questions: * Is the representation of trees configurable? Some situations might need only a billboard, others a cross of quads, others a more detailed tree model (LODs with all

Re: [osg-users] VPB: osgdem ignoring vertical multiplier

HI Alejandro, I haven't tried the vertical exaggeration in osgdem/vpbmaster for a long time so I can't comment on whether it works or not. You'll need to dive into the code to see if some code paths are missing. As a general note, VPB works best generating osgTerrain based height fields,

Re: [osg-users] Videos of DBGS Trian3D

Very cool demonstration! I hope it goes as you wish! Regards, Can 2008/11/27 Stephan Kussmaul [EMAIL PROTECTED] Hi OSG Users, We have created a few new videos about our terrain generation software Trian3D. Maybe some of you like to see what we are doing with OSG. Here is the link to our

Re: [osg-users] maxTime( OpenGL, OSG )

Hi Umit, My first experience with OpenGL was in the mid nineties, but prior to this I used IrisGL which was SGI's predecessor - I started learning this back in 92 at the same time I started using C++. I'm still learning both OpenGL and C++ :-) The OSG... well I picked up and started coding on

Re: [osg-users] Processing model

Hi Forest, The osgViewer's DrawThreadPerContext and CullThreadPerCameraDrawThreadPerContext models both overlap the update and cull with the draw dispatch. As for you cull and draw times being large, it most likely down to a poorly conditioned database. There are lots and lots of tricks one can

Re: [osg-users] maxTime( OpenGL, OSG )

Hi Umit, My first experience with OpenGL was in about 1992, the opengl version is 1.0 Beta,but prior to this I used IrisGL which was SGI's predecessor Professional Graphics ternimation in VAX-11. zhuwan 2008,11,28<[EMAIL PROTECTED]><[EMAIL

Re: [osg-users] maxTime( OpenGL, OSG )

Hi Umit, My first experience with OpenGL was in about 1992, the opengl version is 1.0 Beta,but prior to this I used IrisGL which was SGI's predecessor Professional Graphics ternimation in VAX-11. zhuwan 2008,11,28<[EMAIL PROTECTED]><[EMAIL PROTECTED]>Original

Re: [osg-users] maxTime( OpenGL, OSG )

Hi Ümit, I've started at '98; but there has been a long break from 2001 to 2008. Never left C++ but there's always something you don't know in C++. I feel like a newbee when it comes to OpenGL. OSG is a 6 month story for me. But I'm very glad I've started using it. Regards, Can 2008/11/28

[osg-users] Texture2D rendering problem

Hi all, I'm looking for a good advice to resolve a problem with a texture. My object uses 4 texture layers, a diffuse map and another 3 decal textures to represent a letter and optional visual complements. In a frontal point of view the texture renders ok (snapTexture1.jpg), but as I move the

Re: [osg-users] Texture2D rendering problem

Hi Arisonova, There isn't enough info about how you are setting up your scene graph to know precisely what the problem, and the image's aren't clear enough. So best I can do is make general suggestions. First up is learn about anisotropic filtering and clamp modes as these may well be part of

Re: [osg-users] How to compile OSG with Dev-C++ and 3rdParty source in Cmake!

Thanks Luigi and  Wang Rui. I'll download 3rdParty source.I now use eclipse(Qt + Dev-C++), I'll integate  OSG and 3rdParty with in eclipse. YangXiao. --- 08年11月28日，周五, Luigi Calori [EMAIL PROTECTED] 写道： 发件人: Luigi Calori [EMAIL PROTECTED] 主题: Re: [osg-users] How to compile OSG with Dev-C++ and

Re: [osg-users] How to compile OSG with Dev-C++ and 3rdParty source in Cmake!

I' m currently using CMake to build 3rdParty dependencies with VC7.1, if you want to see if it is working for mingw, get either http://3d.cineca.it/storage/packages/3rdPartySrc.zip ot http://3d.cineca.it/storage/packages/3rdPartySrc_packed.zip The latter require you unpack in place the original

Re: [osg-users] Determine texture memory allocation size

Hi Jean-Sebastian, this counter thing or other queries of texture memory require that one load/unload the texture to see the difference. However I would like to have a method similar to glGetTexParameter or so, which gives me direct result. As far as I was bale to find additional info there is

Re: [osg-users] maxTime( OpenGL, OSG )

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 [EMAIL PROTECTED] wrote: Hi Umit, My first experience with OpenGL was in about 1992, the opengl version is 1.0 Beta,but prior to this I used IrisGL which was SGI's predecessor Professional Graphics ternimation in VAX-11.

Re: [osg-users] osg-users Digest, Vol 17, Issue 110

Hi Ivan, Mailing list digest user are too often screwing up threading my doing a reply to a digest post. So... if you want support please reply to the original post's subject. I'm not going to reply to this broken thread. Robert. On Fri, Nov 28, 2008 at 12:51 PM, Arisnova [EMAIL PROTECTED]

Re: [osg-users] Render Bin, Transparency, ...

Sorry to insist, but I am surprised to see no answer ? Any suggestion or idea will be very appreciated. thanks a lot. Regards, Vincent 2008/11/28 Vincent Bourdier [EMAIL PROTECTED] Hi all, Looking in the archive I didn't found what I need, so this is the problem: I need to manage in

Re: [osg-users] osg-users Digest, Vol 17, Issue 110

-- Mensaje reenviado -- From: Robert Osfield [EMAIL PROTECTED] To: OpenSceneGraph Users osg-users@lists.openscenegraph.org Date: Fri, 28 Nov 2008 10:54:14 + Subject: Re: [osg-users] Texture2D rendering problem Hi Arisonova, There isn't enough info about how you are

[osg-users] FBO OpenGL Error with new nVidia Driver

I've just noticed that I've been getting some errors when I run osgprerender and also in my own program that uses a lot of pre-render cameras and FBOs.. Firstly I get: Warning: detected OpenGL error 'out of memory' after RenderBin::draw(,) Then the following printed continuously as

Re: [osg-users] Outline technique that doesn't triple (or worse) my frame time?

Hi J-S, Just as another datapoint, I also implemented outlining in a similar way to osgFX::Effect. All times stay the same except draw which triples. In my application, this doesn't affect me too much and I still make 60 fps if an object is selected or not, so I don't mind the jump that much,

Re: [osg-users] Effects of locale setting

Selon Robert Osfield [EMAIL PROTECTED]: I get 2 glGetString( GL_VERSION ) returns 2.0.6958 Release OK, one bit of the jigsaw. What happens to the osg::getGLVersionNumber() value if you can the locale? For instance WxWidgets changes the locale by default I believe. Hi Robert, Sorry i

Re: [osg-users] FBO OpenGL Error with new nVidia Driver

After much installing and uninstalling I've found it's also present in the Vista 32-Bit GeForce releases 178.13, 178.24, 180.48. 175.19 work fine. Should I be concerned about these errors? K. From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Kim C Bale Sent: 28

Re: [osg-users] Processing model

By default OSG 2.x uses a Draw thread and Cull thread per draw context, so your already have multi-process unless you set tings to run single thread As you do not define what a large scene, what frame rate you desire, it’s hard to say what the issue may be, and we have no idea of you

Re: [osg-users] Render Bin, Transparency, ...

Yes, you're right. In france it was on 11.37am and 2.14pm ... Hoping someone can help me, I'll go on something else. Still waiting for you, and sorry for the inconvenience. Regards, Vincent. 2008/11/28 Gordon Tomlinson [EMAIL PROTECTED] Dude patience patience… your original post

Re: [osg-users] maxTime( OpenGL, OSG )

Started with good old IrisGL back in the very early nineties on SGI hardware, used SGI Performer 1.x and moved up to Opengl as it was rolled out and used most scene graph technologies thru the years and of course worked on Vega and Vega Prime when I was at MPI, now working solely with

Re: [osg-users] maxTime( OpenGL, OSG )

Hello: I started in late eighties programming directly the VGA (I wrote a primitive raytracer for the 256 color mode) and phigs (a opengl predecessor). Then in the 90s I tried a bit OpenGL (I wrote a rubik cube simulator). Then for many years I was no more than an occasional 3d graphics user

[osg-users] osgPPU and CUDA ;) !!!

Hi folks, whoever is interested in a combination of CUDA and osgPPU is asked to test current svn version under the sandbox branch of osgPPU repository. The implementation depends on both patches, I have submitted before. As soon as this patches are either commited or rejected I will merge the

Re: [osg-users] FBO OpenGL Error with new nVidia Driver

Hi Kim, Im curious which OSG version you use ? Could this be that you have dual view setup ? Maybe you have the same error Marco Jez reported recently. You may try to change OSG_MULTIMONITOR_MULTITHREAD_WIN32_NVIDIA_WORKAROUND and see if it helps. Cheers, Wojtek - Original Message

Re: [osg-users] maxTime( OpenGL, OSG )

Hi Umit, Take your time to get addicted to graphics :-) Me too, I have started in 1992 or so with OpenGL on the oh so nice Silicon Graphics Indigo (http://www.sgizone.net/indigo/) with which they worked when they were creating Jurassic Park... Some years later I worked with CAVEs with

Re: [osg-users] maxTime( OpenGL, OSG )

My GL days started in the 90's My graphics started much earlier when I started working with such treasures as Z80,Z81, Commodore 64/Vic20, Amstrad, BBC computer,Acorn, TI 99/4a etc Working on games for all of these flavours, and those were the simple days of graphics :) Eventually getting to

[osg-users] View::computeIntersections with a node path

Hi, Has anyone been able to successfully use osgViewer::View::computeIntersections() taking a node path argument on a non-trivial scenegraph? I currently have a fairly complex scenegraph, but I only want a small part of it to collide with computeIntersections. When I use computeIntersections

Re: [osg-users] maxTime( OpenGL, OSG )

Hi GL Gurus, That's all amazing stories :) When I learned about your histories and experiences with GL I feel myself already born infant :) I will give my as possible as much time to growing up myself, I hope I can get successful! Thank you so much masters for share your experiences with us.

Re: [osg-users] Videos of DBGS Trian3D

Hello Stephan, I see your point. In general this quad should not be seen at all, as it is only displayed when the last LOD is switched out. Normally there should not be anything, but we needed a dummy object so that the pager would start his work. We don't want to put the low-res LOD in the

Re: [osg-users] FBO OpenGL Error with new nVidia Driver

Sorry yes, I'm using OSG 2.6, strangely enough it may well be linked to the dual monitor set up as you suggest. I've just tested this at home on an identical machine but without the extra monitor using driver 178.13 and i don't get the error. I'll try what you suggest on monday, and post

Re: [osg-users] Please test SVN of OpenSceneGraph in pre for 2.7.6 dev release

Hi All, I've merged Jeremy's and Cedric's updates of osgWidget and osgAnimation into svn/trunk. This does mean we'll need another round of testing before I can tag 2.7.6. Assistance on this much appreciated ;-) Robert. ___ osg-users mailing list

Re: [osg-users] Outline technique that doesn't triple (or worse) my frame time?

Hello Morné, Just as another datapoint, I also implemented outlining in a similar way to osgFX::Effect. All times stay the same except draw which triples. In my application, this doesn't affect me too much and I still make 60 fps if an object is selected or not, so I don't mind the jump that

Re: [osg-users] Determine texture memory allocation size

Hi Art, As far as I was bale to find additional info there is no such method in GL specifications ;( Hence my solution is just to compute the size based on internal format and resolution, using the implementation from osg::Image. For my purpose this seems to be enough. It was not clear to me

[osg-users] VPB: Partial terrain with vpbmaster, why?

Hi, Building the same terrain, osgdem creates it complete but vpbmaster does just the first left chunk. Why? Am I missing some parameter? I used these commands, respectively: osgdem -d fv.tif -t fv_tx.tif -l 5 -v 20 -o fv.ive Elapsed time = 70.969066 vpbmaster -d fv.tif --layer 0 -t fv_tx.tif

[osg-users] Performance query : Drawing lots of instances of a vertex array

Dear All, I have a geometry with a simple heightfield type vertex array; I'm also using VBO. I want to repeat that VBO in quite a lot of places. The heighfield can be considered as a terrain tile (e.g. 100m x 100m) , with which I want to tile a much larger area (e.g. 1km x 1km). The method I

Re: [osg-users] Please test SVN of OpenSceneGraph in pre for 2.7.6 dev release

Robert, El Viernes 28 Noviembre 2008ES 16:53:42 Robert Osfield escribió: Hi All, I've merged Jeremy's and Cedric's updates of osgWidget and osgAnimation into svn/trunk. This does mean we'll need another round of testing before I can tag 2.7.6. Assistance on this much appreciated ;-) The

Re: [osg-users] Please test SVN of OpenSceneGraph in pre for 2.7.6 dev release

Hi Robert, I have tried and it is Ok on XP SP2 VisualStudio2003 Cmake2.6 Only there is a warning in osganimationskinning.exe; An update callback has no name, it means it can link only with named Target, often an error Best Regards. 2008/11/28 Alberto Luaces [EMAIL PROTECTED] Robert, El

Re: [osg-users] Performance query : Drawing lots of instances of avertex array

I'm working on a similar problem: rendering a large vector field as several arrows, all with different positions and orientations. If I multiparent the Geometry to several PAT nodes, the cull time cost is quite high. I'm looking at adding support for ARB_draw_instanced to reduce both the cull

Re: [osg-users] VPB: Partial terrain with vpbmaster, why?

Hi Alehandro, I can't see how I or others can really answer your question. The best I can do is point out that your command lines are different, so... this might have an effect. Try using the same command lines. Robert. On Fri, Nov 28, 2008 at 4:17 PM, Alejandro Aguilar Sierra [EMAIL

Re: [osg-users] Please test SVN of OpenSceneGraph in pre for 2.7.6 dev release

HI Alberto, Fix now re-instanted and checked in. Robert. On Fri, Nov 28, 2008 at 4:32 PM, Alberto Luaces [EMAIL PROTECTED] wrote: Robert, El Viernes 28 Noviembre 2008ES 16:53:42 Robert Osfield escribió: Hi All, I've merged Jeremy's and Cedric's updates of osgWidget and osgAnimation into

Re: [osg-users] Please test SVN of OpenSceneGraph in pre for 2.7.6 dev release

Hi Robert, thank you, Cygwin compiles SVN ok again :) Alberto El Viernes 28 Noviembre 2008ES 18:14:20 Robert Osfield escribió: HI Alberto, Fix now re-instanted and checked in. Robert. On Fri, Nov 28, 2008 at 4:32 PM, Alberto Luaces [EMAIL PROTECTED] wrote: Robert, El Viernes 28

Re: [osg-users] Performance query : Drawing lots of instances of avertex array

Paul, If this was raw OpenGL, I'd be tempted to set up my heightfield as a display list, and then change the modelview matrix for each call to the display list. I'm not quite sure how to force similar behaviour in OSG other than to set up the scenegraph with multiple PATs. I'm working on a

Re: [osg-users] Please test SVN of OpenSceneGraph in pre for 2.7.6 dev release

Hi Robert, I've merged Jeremy's and Cedric's updates of osgWidget and osgAnimation into svn/trunk. This does mean we'll need another round of testing before I can tag 2.7.6. Assistance on this much appreciated ;-) Builds fine on Windows Vista, VC++ 2005, CMake 2.6.1. J-S --

Re: [osg-users] Calculating the volume of a model through OSG

These algorithms have been very helpful; thanks everyone :) -Dusten 2008/11/27 Middleton, Colin (GE EntSol, Intelligent Platforms) [EMAIL PROTECTED] Another simple way of calculating the volume of a arbitary closed 3d mesh is Choose an arbitary point ( let's call it o ) For each

[osg-users] Performing parent/child occlusion culling

Hello, How might I enable parent/child culling, such that the world geometry of a primary (parent) object determines which small objects (children) are culled out of the scene? For example, there may be hundereds or thousands of small objects in my scene, that wouldn't occlude much of anything.

Re: [osg-users] Performing parent/child occlusion culling

Hello Dusten, From what I understand about OSG's implementation of occlusion culling however, this can't be accomplished with a single, large model used for the static world geometry--as the camera is always within the bounding box. OSG's culling is hierarchical, so if you organize your

[osg-users] TexEnv and BLEND

Hello, I used an object of osg::TexEnv and the mode Blend. But I don't know how the texture color and the object color are combined? Mode: add - object color + texture color decal - object color - texture color modulate - object color * texture color blend - object color

Re: [osg-users] Performing parent/child occlusion culling

Hello, I understand how this can be accomplished if a user is given a lot of control over the scene graph during map/level creation, but what I'm aiming for is the ability to load in a .3ds model (or otherwise) for level geometry and let the user place various prefabs such as crates, trees, cars,

Re: [osg-users] Please test SVN of OpenSceneGraph in pre for 2.7.6 dev release

Hi, It's not a bug, it's an example i will need to update. For this example it's not a problem but if you have it in a program it could. I will fix it to avoid this message. Cheers, Cedric Ümit Uzun wrote: Hi Robert, I have tried and it is Ok on XP SP2 VisualStudio2003 Cmake2.6 Only there

Re: [osg-users] TexEnv and BLEND

Hi Martin, On 29/11/08 8:46 AM, Martin Großer wrote: I used an object of osg::TexEnv and the mode Blend. But I don't know how the texture color and the object color are combined? Mode: add - object color + texture color decal - object color - texture color That would be subtract;