Re: [osg-users] OSG on Android ?

On 10/06/10 14:32 , Vivek Kumar Dwivedi wrote: Don't send me messages Unsubscribe and they'll go away: http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] Using osgAnimation for material animation?

Hi Serge, I am looking into nathan.osg and osganimationtimeline and see that the head diffuse should be animated. Is that correct? However, I don't see that the diffuse value is being animated (checked the values). Can you please confirm that this demo is supposed to work? I am using svn of

Re: [osg-users] OSGEXP 0.9.7 Crashing Max

Hi, I have experienced the same problem, I test in 3ds Max2009/WindowsXP/Windows7, it can popup the preview window, but error writing to file when exporting .osg, and no respond when exporting .ive. can anyone help? ... Thank you! Cheers, Huan -- Read this topic online here:

[osg-users] hide shadow map receiver

Hi, i use osgshadow in osgart, the shadow map work fine. the model is standing on a plane, shadow cast to the plane, the plane is attach to the pattern, what i want is to make the plane invisible but the shadow remains, to make it looks like shadow on the top of pattern. i try alpha blending

Re: [osg-users] OSGEXP 0.9.7 Crashing Max

delete all osg*.dll and plugindir in system32 2010/6/10 Huan Wei kuta...@163.com: Hi, I have experienced the same problem, I test in 3ds Max2009/WindowsXP/Windows7, it can popup the preview window, but error writing to file when exporting .osg, and no respond when exporting .ive. can

[osg-users] strange problems about memory used

Hi, I currently do a car sim program, and I encount a problem about heigh memory CPU used when I add RTT camera: I want add 3 back mirrors to the car, so I create 3 relative camera to render the scene to a texture, and use root-addChild(mirror_camera) to bind camera to root node, these mirror

Re: [osg-users] Draw polyline from vertex array

Hi Manuel, There isn't really enough code provided to pinpoint the problem. Odd things are that you assign a ColorBinding to BIND_OVERALL but then don't provide any colour array for it to get it's colour from. Have a look the osggeometry example as it has a code segment that does a line strip.

[osg-users] How can I define the screen which show me my viewer?

Hello, I get the number of screens with the following lines: _wsi = _gc-getWindowingSystemInterface(); std::cout Detected Screens: _wsi-getNumScreens() std::endl; My question is: How can I define the screen which show me my viewer? Cheers Martin

Re: [osg-users] How can I define the screen which show me my viewer?

looks in the traits for setup your viewer. osgcompositeviewer example shows usage of traits -Nick 2010/6/10 Martin Großer grosser.mar...@gmx.de Hello, I get the number of screens with the following lines: _wsi = _gc-getWindowingSystemInterface(); std::cout Detected Screens:

Re: [osg-users] How can I define the screen which show me my viewer?

Hi LittleG, you can control the screen which OSG should use with the env variable OSG_SCREEN screen number, beginning with 0 You could set this env variable in your software with putenv. Thank you! Cheers, Torben -- Read this topic online here:

[osg-users] Raycasting

Is there a way or a library to ray cast in OSG? Thanks, Nikhil. -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=28775#28775 ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] Raycasting

Hi Nikhil, On Thu, Jun 10, 2010 at 11:33 AM, nikhil raprolu simha r.nikhilsi...@gmail.com wrote: Is there a way or a library to ray cast in OSG? The OSG doesn't natively support ray casting of convention OpenGL geometry. The osgVolume NodeKIt does ray casting of 3d textures on the GPU but I

Re: [osg-users] Read texels from texture in GPU memory

OK, this is what I've done. I've Subclassed osg::Camera::DrawCallback and read from the texture in the operator() using osg::Image::readPixels, with an applied FBO with the texture i want to read from attached. The retrieved value seems to be correct. The callback object is set as final draw

Re: [osg-users] [vpb] resuming vpb build, revisited :)

Hi all, thanks for your help so far. I tried the --machines (4 processes) switch together with manually settting the split level to 5, but still no luck; some parts of my DTM are not build. Here is some more information: OSG 2.8.3, VPB 0.9.10, OSX 10.6.3, Mac Pro 2.93 GHz Quad Core Xeon with 8

Re: [osg-users] [vpb] resuming vpb build, revisited :)

Hi Felix, I don't know what is causing the stall, and can't really given the information at hand. Building to level 7 isn't a big build, and osgdem on it's own should be able to build this without a problem. The best I can suggest is run a single osgdem run within a debugger and see if you can

Re: [osg-users] [vpb] resuming vpb build, revisited :)

Hi Robert, thanks, will try that and see what is going wrong. Will post as soon as I have a clue what might be the problem. Cheers, Felix -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=28780#28780

Re: [osg-users] thanks for your quick reply

Hello, Once again, for OSG questions please post to the OpenSceneGraph mailing list (subscribe at http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org) or on the Forum (http://forum.openscenegraph.org/). Please DO NOT send e-mail personally to one of the members of the

Re: [osg-users] ffmpeg synchronisation

Hi Michael, It's been a long time since I've touched the ffmpeg plugin, but here is how it was: 1/ when the video sound is being played, the video time is synchronized with the audio player (this tries to keep the video tightly synchronized with the audio track); 2/ when there is no video

Re: [osg-users] How can I define the screen which show me my viewer?

Hi Martin, I get the number of screens with the following lines: _wsi = _gc-getWindowingSystemInterface(); std::cout Detected Screens: _wsi-getNumScreens() std::endl; My question is: How can I define the screen which show me my viewer? If you're creating your window yourself using

Re: [osg-users] hide shadow map receiver

Hi weihuan, i use osgshadow in osgart, the shadow map work fine. the model is standing on a plane, shadow cast to the plane, the plane is attach to the pattern, what i want is to make the plane invisible but the shadow remains, to make it looks like shadow on the top of pattern. i try alpha

Re: [osg-users] Raycasting

Hi, Thanks Robert. And @all sorry for being vague in my previous post. I need to simulate range space of a sensor. (or more clearly) I need to cast rays from a point(cone like beam) recognizing obstacles . Thanks, nikhil -- Read this topic online here:

Re: [osg-users] Raycasting

Hi Nikhil, I need to cast rays from a point(cone like beam) recognizing obstacles . That's clearer. So what Robert said would probably work for you: look into LineSegmentIntersector, enabling kd-trees, and the osgintersection example in the OSG sources. Hope this helps, J-S --

Re: [osg-users] [osgPlugins] Porting FFMpeg to OSG 2.8.2

Hi, Could you exactly tell me what to add in the CMakeLists.txt? I am rather new to Cmake as well as osg. ... Thank you! Cheers, Vincent -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=28788#28788

Re: [osg-users] [osgPlugins] Porting FFMpeg to OSG 2.8.2

Hello Vincent, Could you exactly tell me what to add in the CMakeLists.txt? I am rather new to Cmake as well as osg. Please do a bit of research on your side. A simple case-insensitive grep (or find in files) for ffmpeg in the OSG source tree would tell you what you need to know... In

Re: [osg-users] OSG on IPhone

Hi, I am also interested in getting OSG to work on the iPhone. If there is a version that works on the iPhone, can someone point me in its direction? Thank you! Cheers, Sean -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=28786#28786

Re: [osg-users] hide shadow map receiver

Hi, Skylark thanks a million for your advice. i was using shadow map, shadow volume did not work. one thing i was confuse, if i add an uniform bool varible to the scene node, is it can indicate which fragment(pixel) belong to shadow caster object or receiver object? maybe i just dont know that.

Re: [osg-users] OSGEXP 0.9.7 Crashing Max

Hi, On Tue, Jun 8, 2010 at 11:18 AM, Brad Acree brad.d.ac...@lmco.com wrote: When I export to IVE it crashes max, however when I export to osg it says “error writing to file”. The two machines are of similar hardware, but the second is slightly newer. Both machines are running windows Xp

Re: [osg-users] OSGEXP 0.9.7 Crashing Max

Hi, I checked my computer for those files you mentioned, but I could not find any of the files you mentioned in my sys32 file. Any other ideas? ... Thank you! Cheers, Brad -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=28797#28797

Re: [osg-users] [osgPlugins] FBX texture export problem.

Hi, anyone has any other information about this problem? Thank you! Cheers, Dario -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=28796#28796 ___ osg-users mailing list

[osg-users] [osgPlugins] reading png files in OSG

Hi, I am still a newbie and I'm lost. :( I am using OpenSceneGraph 2.9.7 with MS VS 2005 on Windows 7. I am trying perform the demos in osgOcean. I was able to build OSG 2.9.7 and osgOcean. But I am having troubles reading png and tiff files. (Cannot find plugin message). I Have

Re: [osg-users] [osgPlugins] reading png files in OSG

Hello Adam, Reading your message, it seems to me that you don't have a clear idea of what you need to do to get to your desired goal. Key phrases like obtain ... from somewhere and somehow cram... scream to me that you need to understand a bit more instead of just going from one site to

Re: [osg-users] [osgPlugins] reading png files in OSG

J-S, You are correct. Other than getting my osgOcean demo to work, I am not clear on what I need to do. I only have a vague idea of the build environment and can generally get things to work by tinkering(hacking). This, fueled by a lack of patience on my part always ends in frustration and

Re: [osg-users] Small test program gets segmentation fault when doing own viewer loop in Qt environment

Hi , I havent check the example of integration linked to Qt yet but I am usingOsg embedded n Qt since a long time . A solution that work fine is to create your own class that extend from QGLWidget qnd has a member osgViewer::Viewer, then you add a timer who is connected to the signal

Re: [osg-users] [osgPlugins] reading png files in OSG

Hello again Adam, I need to take the extra time to understand what I am doing. Just a note: it usually takes less time when you take it step by step and make sure you're doing it right, than when you just try tinkering until you get it right. This is true for anything, and I also have to

Re: [osg-users] scene data and manipulator

its normal that when you set an osg::Group as the SceneData that when you add a child the viewer is notify and update the graphic, imaging that you have to create 1000 of objects, if you have to recreate a a root and set it to the viewer each time its a pain... , for the detail you can lok

Re: [osg-users] [osgPlugins] reading png files in OSG

J-S, Will definitely let you know! :D I am working on it as we speak. Thanks again and stay tuned Cheers, Adam -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=28804#28804 ___ osg-users

Re: [osg-users] old QOSGWidget and new trunk Manipulators : mouse event problem

Try to use the function grabMouse() in the construstor of your viewer. Cheers, Thomas -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=28805#28805 ___ osg-users mailing list

Re: [osg-users] OSGEXP 0.9.7 Crashing Max

Hi, i solved it by remove myosgroot\bin\osgPlugins-2.8.3 from the path environment variable, or you can add yourOSGExproot\bin to the path, make sure it is in front of myosgroot\bin\osgPlugins-2.8.3, you can check these 2 folder, they have same name dlls, might be the reason cause conflict.

Re: [osg-users] hide shadow map receiver

Hi, Skylark thank you for the detailed explanation. i'll try it. ... Thank you! Cheers, Huan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=28808#28808 ___ osg-users mailing list

[osg-users] I don't want OSG to rescal textures, how can I avoid it?

Hi, I have a problem with textures: my textures have sizes that are not power of two, and I don't want OSG to rescale them. OSG show me a message like: Scalling image '...' from (200x200) to (256x256) although I'm calling the function texture-setResizeNonPowerOfTwoHint(false); The code I'm

Re: [osg-users] I don't want OSG to rescal textures, how can I avoid it?

On 11/06/10 15:13 , Manuel Garea wrote: Hi, I have a problem with textures: my textures have sizes that are not power of two, and I don't want OSG to rescale them. OSG show me a message like: Scalling image '...' from (200x200) to (256x256) although I'm calling the function