Re: [osg-users] how to draw an object once

you can try adding an osg::Switch as a parent of your model and deactivate the subgraph containing your model using a custom UpdateCallback -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=11266#11266

Re: [osg-users] [build] 2.9.3 cmake error

I have the same problem on windows server 2008, with version 2.8.0. If you could resolve it, please tell me how! A lot of thanks in advance! Alex. -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=11263#11263

[osg-users] OT: Visual Studio 2008 and deploying an OSG application

Dear OSGlers, as most of you are aware Visual Studio 2008 Microsoft has introduced a few new shudderbars before one can actually get an application deployed on a non-Visual Studio machine. The problem I have: plain OSG 2.8.1 Release build copied over - I added the manifest+DLLs from my VS

[osg-users] Projective Texture Mapping

Hi everyone, I've tried osgspotlight example and it works fine. I've generated *only*seven texture coordinates by using osg::TexGen and rendered the spotlight effects by fragment shader. But, I want to render multiple spotlight effects in my scene (for example 20 spotlight effects). * void

Re: [osg-users] Putting data into OSG

Hi Gordon Tomlinson, Thanks for you link and books. Infact, I have read them, so I can build some simple scene graphes like box, sphere... using push_back to put data into expected position manually. However, when i work with a real 2D image and its distance, there are so many pixel that i can

Re: [osg-users] java osgSwig = binding / wrapping not available easyly ?

Hi Nicolas, keep us updated on your osg4j project, sounds nice. Osgswig can use some of doxygen's code parsing XML metadata by converting it into code comments. In terms of parsing headers automatically, I think GCC-XML does a good job (see the cableSWIG project). Gerwin On Fri, May 1, 2009 at

Re: [osg-users] ViewDependentShadow and Lod

Hi all, Finally i find where is the lighting problem, it's the specular computation. Here's the change i made in the main vertex shader: void DirectionalLight(in int i,\n in vec3 normal,

Re: [osg-users] OT: Visual Studio 2008 and deploying an OSG application

Do you set OSG_LIBRARY_PATH on target machine? 2009/5/4 Hartmut Seichter li...@technotecture.com Dear OSGlers, as most of you are aware Visual Studio 2008 Microsoft has introduced a few new shudderbars before one can actually get an application deployed on a non-Visual Studio machine.

Re: [osg-users] Dynamic Modification..

I resolve my problem in this way: while(!(viewer.done)) { //code that modify structure viewer.(frame); } Thanks a lot. Ignazio -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=11271#11271

Re: [osg-users] [build] 2.9.3 cmake error

Hi Matthias, Alexandra Your problems seems very odd so I'm gonna need some more info. If you solved it already ignore my questions but please pass your solution to Alexandra. Do the files that cmake complains about actually exist? Are you building in-source or out-of-source? I'm thinking you

[osg-users] [vpb] VPB ThreadPool

Hi, the Class(vpb::ThreadPool)is not VPB_EXPORT . In my application ,I can't use it. why not specify this class is VPB_EXPORT? Thank you. -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=11275#11275

[osg-users] [osgPlugins] DOFTtransform node.

Hi Everybody !! I'm a beginner of OpenSceneGraph, but i have some experience in 3DSMax as a modeller. Now i'm using the OSG exporter for export the model in OSG format, but i can't export DOF nodes. My question is : how I can export DOF nodes from 3DSMax to OSG format correctly ? I insert

Re: [osg-users] OT: Visual Studio 2008 and deploying an OSG application

The VC 2008 redist and manifest may have to be put separately into plugins directory. A word of warning though: memory allocated by a plugin may not be freed by the main application because the VC runtime is loaded into memory twice. It may be safer to install the VC 2008 redist from the

Re: [osg-users] [build] 2.9.3 cmake error

[quote=Mattias Helsing]Hi Matthias, Alexandra Your problems seems very odd so I'm gonna need some more info. If you solved it already ignore my questions but please pass your solution to Alexandra. Do the files that cmake complains about actually exist? Are you building in-source or

Re: [osg-users] osgviewerQT example

Hi Don, There's a significant new clue here. Two of my three systems that crash with osgviewerQT --QOSGWidget cow.osg are multi-processor systems. The third is a very fast single core Xenon. All they systems where there's no crash are single processor systems. Is anyone else able to run

Re: [osg-users] preDrawCallback?

Thanks Robert and Paul. I just assumed that a direct GDI call would be faster, but when I think about it, that can't be true (assuming a decent OpenGL driver). I did as you suggested and it works very well. Mostly. If I resize the window and make it wide and short, my background gradient

Re: [osg-users] how to draw an object once

Hello Zhi Yuan, What I want to do is that I want to draw the model once at the first frame,during the other frames,I just keep the model drawn at the frist frame(do not redraw the model ). First of all, one of the basic principles of real-time rendering is that you actually want the scene to

Re: [osg-users] Putting data into OSG

Hi Duong, I can't really so how others can help you give just fragments of what you are trying to do. You don't explain what type of data you are working with, and it's not possible to guess what it might be given the little fragments of disconnected information your provided. The best we can

Re: [osg-users] osgWidgets on more than one osgViewer?

Hi Klaus, I don't know Equalizer and am haven't yet learnt enough about osgWidget's implementation to tell you about the potential for using it with multiple views.However, in principle I would say it should be possible, but may well require some refactoring of osgWidget. Over the coming

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

Actually the new feature, where the moderators has first to approve the very first post of any new member should already keep the bad guys away. This feature is already in action, since couple of days, as I have posted previously. I am not a friend of using a lot of anti-spam things like

Re: [osg-users] OSG web site errors

On Mon, May 4, 2009 at 12:23 AM, Chris 'Xenon' Hanson xe...@alphapixel.com wrote: http://www.openscenegraph.org/projects/osg Produces: (lots of debug info that we probably shouldn't print to j random user) OperationalError: database is locked I presume there much have been an admin tasks

Re: [osg-users] preDrawCallback?

On Mon, May 4, 2009 at 3:08 PM, Cory Riddell c...@codeware.com wrote: Thanks Robert and Paul. I just assumed that a direct GDI call would be faster, but when I think about it, that can't be true (assuming a decent OpenGL driver). I did as you suggested and it works very well. Mostly. If I

Re: [osg-users] isVertexBufferObjectSupported() ?

Hi Ufuk, The OSG checks for support of extensions such as vertex buffer objects, and will osg::State is one class that does this, so if you are isVertexBufferObjectSupported() is returning false then wait for it there is very good chance that your OpenGL driver/hardware doesn't

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

On Mon, May 4, 2009 at 3:11 PM, Guy g...@dvp.co.il wrote: What about rewriting some distorted code when posting a message, I think I saw it once on some forum? The forum subscription already has this feature. ___ osg-users mailing list

Re: [osg-users] osgInEurope - osg meeting/conference in Paris

Hi folks, I just want to fresh up this topic. I have experimented with the webcam and a video server, and it worked. So there will be definitively some kind of broadcasting of the meetings/conference to the www. And as in the another thread of Jean-Sebastian about ffmpeg-streams, we could even

Re: [osg-users] osgInEurope - osg meeting/conference in Paris

Hi Art, And as in the another thread of Jean-Sebastian about ffmpeg-streams, we could even stream to osgmovie directly ;) Of course, only if the plugin run well. Heh, I'll send an update about that in a few minutes :-) J-S -- __

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

What about rewriting some distorted code when posting a message, I think I saw it once on some forum? Guy. -- Robert, yes, it happens that spammers just do register on forums to post something there. Mailing lists doesn't look that attractive as forums, therefor there are human

[osg-users] Announce: OpenGL 3 Training Offered

Hi all -- As I've mentioned before, the only way to ever become truly proficient at 3D graphics programming in OSG is to first have a firm grasp of OpenGL. Well, here's your opportunity to make this happen. Bob Kuehne and I have teamed with 3D and multimedia expert Alan Millman to form Tech Soup,

Re: [osg-users] Putting data into OSG

There are 3 ways to get data in to OSG 1: You load or extract the data manually and create the appropriate geometry that you require as can be seen in several examples I pointed you to or in the format loaders 2: Your data is in a format that has an OSG format reader plug-in and you can use

Re: [osg-users] [vpb] VPB ThreadPool

On Mon, May 4, 2009 at 12:26 PM, Ma Yunqiang mayunqiang_...@163.com wrote: the Class(vpb::ThreadPool)is not VPB_EXPORT . In my application ,I can't use it. why not specify this class is VPB_EXPORT? VirtualPlanetBuilder main dev platform is unix, and the vpb library isn't typically used by 3rd

Re: [osg-users] [build] 2.9.3 cmake error

Hi Alex, The complete error logs didn't come through. Could you repost. You should *not* need to move packaging into src. Where are you telling cmake to find the sources? i.e. what does it say next to Where is the source code: in cmake-gui or CMake (CMakeSetup)? Mattias On 5/4/09, Alexandra

Re: [osg-users] Blueberry3D high detail terrain solution for OpenSceneGraph

Hello all OSG users, We will be at ITEC in Brussels the 12/5 - 14/5 in booth B132. Come and have a closer look at our new version of Blueberry3D. -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=11302#11302

[osg-users] isVertexBufferObjectSupported() ?

Hi,i am trying to make a terrain editor. here i wanted to implement my own drawImplementation of geometry but i could not get manage. i always get state.isVertexBufferObjectSupported() as false... when i ignore this false, i got another problems.. i think my problem is this

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

Sadly the bots get around this quite easily these days, I managed to stop most at vis-sim, with manual activation, email verification, image numbers, instructions not to fill any field but name and email etc, I get a about 1 a week now that gets as far as me having to activate it, but at one

[osg-users] osgWidgets on more than one osgViewer?

Hi, we are thinking about using osgWidgets for our project, but we don't know if it possible under our conditions. We are using a tool for parallel rendering (Equalizer) and all of the render clients have a own osgViewer::Viewer object, which is used to render only a part of the complete

Re: [osg-users] ViewDependentShadow and Lod

Again, Please don't care of my previous message, i'm wrong. Some part of my terrain database use pure glColor(), so the shader miss compute this part of database. Sorry all. ___ osg-users mailing list osg-users@lists.openscenegraph.org

[osg-users] Slave camera perspective

Hi, I want to change the perspective of a slave camera but I can't seem to make it work (so far). I tried changing the master camera but that affects ALL slave cameras which is not what I want to do. Is there a way to change the perspective view of a single slave camera? Do I need to switch

Re: [osg-users] [build] 2.9.3 cmake error

[quote=Mattias Helsing]Hi Alex, The complete error logs didn't come through. Could you repost. You should *not* need to move packaging into src. Where are you telling cmake to find the sources? i.e. what does it say next to Where is the source code: in cmake-gui or CMake (CMakeSetup)? Hi

Re: [osg-users] Slave camera perspective

HI Guy, By default the slave camera's view and projection matrices are set up each from by multiplying the master camera's view matrix by and the slave's view offset matrix, and the master cameras projection matrix by the slaves projection offset matrix respectively. To set the projection matrix

Re: [osg-users] osgInEurope - osg meeting/conference in Paris

Hi Art, Thanks for the reminder ! On Mon, May 4, 2009 at 5:21 PM, Art Tevs arti_t...@yahoo.de wrote: @Serge: Do you know now more about the new office of your company? Yeah we've been accepted to this new office, so it's OK, we'll move during June. We'll have a meeting room with

Re: [osg-users] OT: Visual Studio 2008 and deploying an OSG application

Hmm. Sorry, I missed that you stated: and I already copied the files into the plugins directory as well Would it help to add the osg Plugins directory to the PATH variable? ___ osg-users mailing list osg-users@lists.openscenegraph.org

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

Hi JS, I think I have exactly the same problem you are having. I have an application that opens/closes a osg viewer. When I close the osg viewer, everything gets deleted, even the viewer. However, when I open the viewer the second time, some of the textures do not appear. This seems to be

Re: [osg-users] Slave camera perspective

I should have looked at the osg::view code before posting the message. Now that I set the camera as ABSOLTE_REF, the camera manipulators don't work (as I feared). I tried deciphering the code, but I can't locate were the mouse movements (for example in trackballmanipulator) is being applied to

Re: [osg-users] [osgPlugins] collada plugin doesn't work with boost 1.36 and boost 1.38

Simon, I am having a similar issue on RHEL 5.3. I can build collada-dom and the OSG DAE plugin, but I get the same runtime error about boost filesystem. I'm not aware of having multiple versions of boost on my system, but it seems that I probably do. I will be interested to hear if/how

Re: [osg-users] preDrawCallback?

I'm confused about the code that does the resize in GraphicsContext.cpp (part is pasted below). In my case, my background camera is a slave camera with an absolute reference frame. So, it isn't going to be caught in the if statement on line 7 and will fall through to the else. In this block,

Re: [osg-users] osgInEurope - osg meeting/conference in Paris

Hi Serge, Serge Lages wrote: Yeah we've been accepted to this new office, so it's OK, we'll move during June. We'll have a meeting room with approximatively 20 to 30 seats and a LCD screen (42), and maybe a projector if we ask for it. So I think that there is no problem for us to host

Re: [osg-users] osgviewerQT example

Thanks J-S, Updating the driver fixed the problem on two systems. I don't have access to the third system yet, but it's likely that a new driver will fix that one too. It's not always practical to install new software on other peoples systems. I own you at least 2 beers. I went to school

Re: [osg-users] [build] Build problem with gdk-x11-2.0

I ran into the same issue on an OpenSuSE 10.2 x86_64 system when working with Stable Release 2.8.0 of osg. In case it's of help to anyone, I can offer that the following workaround helped me past the problem: Despite /opt/gnome/lib64 being in my system's ld.so.conf, the link step apparently

Re: [osg-users] osgviewerQT example

Hi Don, Updating the driver fixed the problem on two systems. I don't have access to the third system yet, but it's likely that a new driver will fix that one too. It's not always practical to install new software on other peoples systems. Yeah, I know. That's one of the problems with

[osg-users] Not OT: Visual Studio 2008 and deploying an OSG application

Ok, somehow this all looks too familiar with a problem I had earlier with the MacOS X build of OSG 2.8.x (http://forum.openscenegraph.org/viewtopic.php?p=10151#10151) ... so the output looks like this with the viewer crashing when it tries to load the osgdb_lwo.dll (replicable with any

Re: [osg-users] Linker error with VirtualPlanetBuilder

OK, Got it. In version 2.8.0, in the BoundingSphere header file there is this code at the bottom: #ifdef OSG_USE_FLOAT_BOUNDINGSPHERE typedef BoundingSpheref BoundingSphere; #else typedef BoundingSphered BoundingSphere; #endif OSG 2.8.0 ships built with float (rather

Re: [osg-users] Linker error with VirtualPlanetBuilder

These should be defined in the osg/Config header, so if you app #includes it, you should get the right definitions (assuming you include the same header that OSG was built with). Paul Martz Skew Matrix Software LLC http://www.skew-matrix.com +1 303 859 9466 -Original Message- From:

Re: [osg-users] Shadows: Application crashing atviewer.renderingTraversals()

Hi Paul, I have never used composite viewer but I checked osgcompositeviewer example. Your example code looks suspicious because you add osgViewer::Viewer instances instead of osgViewer::Views . If it does not help then at least post a call stack trace. Or run your example in Visual Studio

Re: [osg-users] preDrawCallback?

I changed the if statement on line 7 into a nested if and now things are working for me. I changed lines 7-9 to: if (slave) { if (camera-getReferenceFrame()==osg::Transform::RELATIVE_RF) { switch(view-getCamera()-getProjectionResizePolicy()) and now everything is working correctly

[osg-users] TexGen texture coordinates

Hello, I've been playing with code very similar to the osgspotlight example. Basically I'm using a TexGen Node to project a texture on to some terrain. The issue I'm having is that the texture coordinates being generated map the look vector to the lower left pixel of the texture rather than

Re: [osg-users] [osgPlugins] collada plugin doesn't work with boost 1.36 and boost 1.38

Hi Robert, Sorry. Its my fault. I have too many boost version and got confused. After compiled everything again using the same boost version, it is working now. It appeared the error message was due to my mistake in compiling OpenSceneGraph against collada-dom dynamic library compiled with