Re: [osg-users] Multithreadingcrash due toosgDb::Registry::instance()

Hi all, for those interested in instruction order issues, these videos might be interesting (search google video): * Herb Sutter - Machine Architecture: Things Your Programming Language Never Told You * IA Memory Ordering There is quite a bit of work going into the next C++ standard to

[osg-users] unsubscruibe

Hi Have been trying to ubsubscribe for a while, I have no idea what any of you are talking about and the inbox is always full!  please help! Andree Stay connected to the people that matter most with a smarter inbox. Take a look

Re: [osg-users] unsubscruibe

Andree, Go to the bottom of the following page to unsubscribe from the mailing list: http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org As an alternative you may register at the forums: http://forum.openscenegraph.org/ -- Roland -- Read this topic online

Re: [osg-users] FFmpeg plugin

HI Carlos, Our plugin doesn't contain any inflateInit_ or inflate method of any kind, so the missing sybmol must be coming from ffmpeg itself. I haven't see this error myself when building from various versions of ffmpeg so perhaps it's version 0.5 that has gone astray. Have a look in ffmpeg

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

Hi, First I would like to correct previous post, claiming Blueberry3D is a core library and cant be used as it is. Blueberry3D is a commercial off the shelf product with 3 main modules for REAL-TIME simulation. The Blueberry3D Editor, the Blueberry3D Real-Time Environment with SDK and the

Re: [osg-users] Image Resolution in VPB

Hi Matins, Slight variations of the pixel colour may come about due to GDAL interpolating data, interpolation done with VPB, or the edge boundary equalization. The small variation you are seeing might simply be down to this, it's not something at this stage I'd even flag up as a problem. It

Re: [osg-users] OSG 2.8.1

2009/3/19 Andy Skinner andy.skin...@mathworks.com This seems to work, too. I haven’t done what I’d call a thorough qualification, but I’m happy. Thanks for the testing. Next Monday I'll tag the 2.8.1-rc1 and do another call for testing. Hopefully be the end of next week we can roll 2.8.1

Re: [osg-users] DoomLike manipulator

Hi Loic, Great little discussion :-) 2009/3/19 Simon Loic simon1l...@gmail.com Maybe when I will have finished to implement the GROUNDED/HORIZONTAL mode you can give it a try and decide which name best fits. In my concern I clearly incline towars grounded as the implementation I was about

Re: [osg-users] osg::Operation lags

HI Roman, Is i the UpdateSensoeHMDOperation that is at fault? Put your own timing stats into your code and see how long this is tacking to run, my guess is that it's cost will be rather sporadic - if this is the case then you need to change the way you manage this code, such as by creating an

Re: [osg-users] OpenCL: democracy for GPU computing?

Martin Beckett wrote: Following OpenGL3 I'm not holding my breath for a standard developed by Khronos. It was actually developed by Apple, who submitted it to the Khronos Group (although they probably fiddled with the original spec, of course). The bit about OpenCL not just being for GPUs

Re: [osg-users] OpenCL: democracy for GPU computing?

On Fri, Mar 20, 2009 at 4:57 AM, Martin Beckett m...@mgbeckett.com wrote: Following OpenGL3 I'm not holding my breath for a standard developed by Khronos. The bit about OpenCL not just being for GPUs but also for CPUs and Cell worries me - it sounds like a 'grand plan' - it supports

Re: [osg-users] switch between two camera

HI Ben, On Fri, Mar 20, 2009 at 9:48 AM, Ben ben.poul...@gmail.com wrote: Hi, if I have understood , I must design my application with a CompositeViewer in order to use two scene, each in it's own view. I have a 3D classic view and a map vue. How can I display only one at once using

Re: [osg-users] switch between two camera

Hi, Ben, I use something like camera0-setNodeMask(0X); camera1-setNodeMask(0); to enable camera0 but disable camera1. I hope it helps. Yun On Fri, Mar 20, 2009 at 10:48 AM, Ben ben.poul...@gmail.com wrote: Hi, if I have understood , I must design my

Re: [osg-users] osg::Operation lags

HI Roman, 2009/3/20 Roman Grigoriev grigor...@gosniias.ru Hi Robert! As you’ve seen in my operation thread I simply write to stdout simple message: update and nothing more. But framerate lags unpredictable. Maybe there is good example or readme how to use operationthread Thanx in

[osg-users] iterate node primitive set elements howto

Hi, is there an obvious way to know which element a node is composed of (dots, lines, triangles, quads, polygons,) and iterate over them in a loop? In an attempt to answer my question, I would say no. Since a node can be 1 or more models of possibly different characteristics, I would probably

[osg-users] GraphicsContext problem

Hi guys, I want to use OpenGL to render the interface, but use OSG to render in a region. And in this region I use OSG manipulator, but in the rest of the interface I use others. I don't know if it is possible, if it is, how to do? Thanks in advance. -- Cheers, Yun

Re: [osg-users] FFmpeg plugin

ok , now i m using svn version of ffmpeg. bow the example runs but the message still apear I put the the lines in main function of my program:: std::string libName = osgDB::Registry::instance()- createLibraryNameForExtension(ffmpeg); osgDB::Registry::instance()-loadLibrary(libName); but looks

Re: [osg-users] osg::Operation lags

Thanx Robert! Working with threads a little bit unfamiliar to me. Could you please point me to some examples how to use YieldCurrentThread() Thanx in advance Bye From: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] On Behalf Of Robert

[osg-users] osgFX nodes with shaders with variables

Hi, I have a osgFX that needs to apply two pass technique. On the second pass I need to apply one or more shaders one or more times. (controlled by the user parameters) I looked at the osgFX::Scribe which covers the osgFX creation. For the shaders I looked at the code from osgshaders. Now my

Re: [osg-users] FFmpeg plugin

Hi guys, inflateInit_ sounds very much like an API entry point in zlib. Tanguy From: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] On Behalf Of Robert Osfield Sent: Friday 20 March 2009 08:55 To: OpenSceneGraph Users Subject: Re: [osg-users]

Re: [osg-users] FFmpeg plugin

yeah here * http://refspecs.freestandards.org/LSB_3.0.0/LSB-Core-generic/LSB-Core-generic/zlib-inflateinit.html * On Fri, Mar 20, 2009 at 9:47 AM, Tanguy Fautre tang...@aristechnologies.com wrote: Hi guys, inflateInit_ sounds very much like an API entry point in zlib. Tanguy

Re: [osg-users] osg::Operation lags

Thanx Robert! I works fine Here is my class if it will be useful for someone. lass UpdateMissileOperation : public osg::Operation { public: UpdateMissileOperation(): Operation(UpdateMissileOperation, true) { } virtual void operator

Re: [osg-users] osg::Operation lags

Hi Robert, Robert Osfield wrote: I have never seen problems like yours when using OperationThread/Operatons, but on a second review I see that your OpenThread never sleeps, it just churns away as effectively a spin lock on the CPU. If your machine doesn't have sufficient cores to handle a

Re: [osg-users] osgFX nodes with shaders with variables

Well, from reading Technique.cpp I'm able to guess that I have to re-implement the traverse traverse method. The best idea seems to be just copy paste the Technique::traverse_implementation and for each pass implement a specific behavior. For what I want, apply the same shader(s) several

Re: [osg-users] FFmpeg plugin

Hi Carlos, What happens when you run: osgmovie -e ffmpeg a_video.mpg Is it still reporting that it can't load the plugin? I suspect that you are still hitting against the plugin not loading correctly. The inflatInit method is still being reported as not found and this function is from zlib

Re: [osg-users] osg::Operation lags

Hi Roman, You really need to learn how to investigate stuff on your own, I can provide pointers of but it's down to you do learn stuff and to code stuff, you can't expect others to walk you through it. In the case of YieldCurrentThead it's a single line of code that Yields the Current Thread,

[osg-users] Animating vertices in a Geode

Hi, In the application I am working on, I am trying to create a smooth (transition) animation on the vertices inside an object. Example: I have included an illustration to make my problem a bit more clear. The current scene contains one geode with a geometry attached. The geometry is filled

Re: [osg-users] osg::Operation lags

Hi Robert! Sorry to disturb you with my simple question A lot of things to do in a short period time. Thanx again Bye From: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] On Behalf Of Robert Osfield Sent: Friday, March 20, 2009 4:34 PM

[osg-users] compile error in osgwrapper_osgUtil PrintVisitor

Hi Robert! Another user reported this, but my nightly build also exhibits the same problem. Details here: http://www.cdash.org/CDashPublic/viewBuildError.php?buildid=14829 As we don't really need wrappers, this is just for your information in case you missed it. -- Csaba

Re: [osg-users] switch between two camera

I try to use nodemask but doesn't work. Id do this : Code: osgViewer::CompositeViewer viewer; osgViewer::GraphicsWindowEmbedded* gw = new osgViewer::GraphicsWindowEmbedded; osgViewer::View* vue2D = new osgViewer::View; osgViewer::View* vue3D = new osgViewer::View; viewer.addView(vue2D);

Re: [osg-users] Multithreadingcrash due toosgDb::Registry::instance()

I remember the first time I heard about the double-checked locking problem five years ago or more and then wasting an afternoon trying to understand what the heck was going on. I was never the same again. I sometimes long for those halcyon days when the universe was a simpler place. :)

[osg-users] OSX Cmake/Xcode path problems under Debug

When I build OSG (latest svn) with Xcode (generated by Cmake), I've noticed some problems when compiling with the Debug configuration. I'm trying to fix these, but if anybody has some clue how to force Cmake to work better, please chime in. 1. I submitted a patch (not yet committed) that will use

[osg-users] transforming normals

Hi, I'm writing a simple nodevisitor to compute the lightmap of a given node. This nodevisitor treats transforms and geodes specially, so that each vertex in the geometry is multiplied with the most recent transform matrix in order to obtain world coordinates. So far the above code works well

Re: [osg-users] transforming normals

Paul Melis wrote: Can Hosgor wrote: I'm writing a simple nodevisitor to compute the lightmap of a given node. This nodevisitor treats transforms and geodes specially, so that each vertex in the geometry is multiplied with the most recent transform matrix in order to obtain world coordinates.

Re: [osg-users] FFmpeg plugin

:( ok. I downloaded, compiled and instaled zlib-1.2.3 built ffmpeg from svn again with new zlib installed in osg i changed the directories of zlib to the new zlib in ccmake cmakelist.txt in OpenSceneGraph-2.9.1 directory: ./configure make clean make the example was built again but . running

Re: [osg-users] transforming normals

Can Hosgor wrote: I'm writing a simple nodevisitor to compute the lightmap of a given node. This nodevisitor treats transforms and geodes specially, so that each vertex in the geometry is multiplied with the most recent transform matrix in order to obtain world coordinates. So far the above code

Re: [osg-users] switch between two camera

Hi ben, where did you put your code? I put them in the updatecallback function, that's why mine will change every frame. Yun 2009/3/20 Ben ben.poul...@gmail.com benbao wrote: I try to use nodemask but doesn't work. Id do this : Code: osgViewer::CompositeViewer viewer;

Re: [osg-users] OpenCL: democracy for GPU computing?

Yes I would much prefer a cross platform well supported API than be forced to buy NVidia (and have to tell my customers to). But at the moment a lot of the OSG demos do not render properly on any other cards (at least on Windows) just because of the poor OpenGL drivers - so I'm not holding my

[osg-users] ShadowMap Required OpenGL Extensions

My application checks for the existence of some OpenGL extensions before allowing ShadowMap to be turned on. So far, I have been using this test: if (GL_EXT_framebuffer_object (GL_ARB_fragment_program || GL_EXT_fragment_program) (GL_ARB_fragment_program_shadow ||

Re: [osg-users] compile error in osgwrapper_osgUtil PrintVisitor

Hi Csaba, Thanks for the note. I'm now reproduce the build error at my end and working on a fix. Robert. On Fri, Mar 20, 2009 at 2:47 PM, Csaba Halász csaba.hal...@gmail.comwrote: Hi Robert! Another user reported this, but my nightly build also exhibits the same problem. Details here:

Re: [osg-users] FFmpeg plugin

HI Carlos, As I don't see any of these problems, I'm afraid there isn't much I can do apart from make suggestions for you to try out. Right now it looks like you'll need to add the zlib library into the build of other ffmpeg or our plugin. Robert. 2009/3/20 Carlos Sanches ces...@gmail.com :(

Re: [osg-users] GraphicsContext problem

nobody had the same thing? On Fri, Mar 20, 2009 at 12:20 PM, Lingyun Yu lingyun.yu...@gmail.comwrote: Hi guys, I want to use OpenGL to render the interface, but use OSG to render in a region. And in this region I use OSG manipulator, but in the rest of the interface I use others. I don't

Re: [osg-users] GraphicsContext problem

Hi Yun, Have a look through the osg-users archives, there has been plenty discussed about OpenGL/OSG integration. It's a bit tricky due to state management, so if you can I'd recommend just using OSG all the way as it'll lead to better performance and an easier life alround. Robert. 2009/3/20

[osg-users] LocalParticleSystem and ModularEmitter.cpp

Hi all, Some background first: I've upgraded my code from 2.4 to 2.8. I have a queue of ParticleEffects contained by osg::PositionAttitudeTransform's that get moved around. So whoever was the last effect to move, gets put into a new position and reset to look as if it's a totally new

[osg-users] VPB osgTerrain basic functionality

Hi all! I was wondering can someone give me a few hints on what to look for in VPB in sense of its functionality. I not sure for instance what happens when you push a image file trough osgdem. From what i see as a result it seems that heightmap image and texture get fragmented and put into

[osg-users] VRML Normal Issue

I have noticed a very strange issue regarding VRML file rendering. This issue happens in OSG viewer version 2.6, with openVRML version 0.14.3. Please view the two attached vrml files and observe very different shading on the 2 cubes. The only difference between the files is that in

[osg-users] [build] Preprocessor macros / OSX

Hi, what is the official preprocessor macro to define the OSX platform? It seems to me that only __APPLE__ is used. Therefore, there is no distinction between Cocoa and Carbon? Thank you. Hartwig -- Read this topic online here:

Re: [osg-users] FFmpeg plugin

Hi Carlos, On 21/3/09 3:17 AM, Carlos Sanches wrote: the example was built again but . running example with ./osgmovie -e ffmpeg video.avi or .mpg the movie runs but the same error apears. Warning: dynamic library '/usr/local/lib/osgPlugins-2.9.1/osgdb_ffmpeg.so' exists, but an error

[osg-users] How to build osgdem

Hi, I did successfully build OSG2.8, but neither the 'bin' directory or the 'share/OpenSceneGraph/bin' directory has the executable 'osgdem'. I have been looking at various posts that talk about using osgdem to load .dem files, but I don't seem to find it. I do have 'gdal' installed and built

Re: [osg-users] How to build osgdem

Hi Vijay, OSGDEM is part of the VirtualPlanetBuilder project. You can find it here http://www.openscenegraph.org/projects/VirtualPlanetBuilder OSGDEM will generate .IVE files from your .dem/.dt files. After you have .IVE files you can use OSGVIEWER to view them. Good Luck - Mark

[osg-users] Build Error on Windows

Hello all, I'd like to report a build error I encountered on Windows using CMake 2.4 and default CMAKE_INSTALL_PREFIX. The default value for the install prefix is C:/Program Files/OpenSceneGraph (without the quotes). The space in the path appears to confuse CMake when generating the project

[osg-users] how to draw ms3d model

Hi all, In our application, hundreds of human animated models should be loaded into scene. We use ms3d format models. Now we do it as follow: 1. load models 2. create a osg::Geode and add it to scene 3. add a osg::Drawable to this Geode 4. add a osg::NodeCallback to this Geode 5. calculate and