Re: [osg-users] OSG and vsync

Thank you very much for your reply ! I understand your suggestion about using external syncs to run at a multiple of the frame rate but i i don't understand the built in 2 frames of latency in Nvidia cards. I tell you this cause i used my system both with and without vsync and i noticed than

[osg-users] drawing a line using mouse

Hi, i am new to osg.i have learnt to plot a scene using a LAS file in osg. now i wish to draw a line using mouse on my scene and using the coordinates of the end points find the distance covered by that line. can anyone guide me plz Thank you! Cheers, Devanshi :P -- Read this

Re: [osg-users] FirstPersonManipulator

Hi Julien, just to avoid misunderstanding: Manipulator, you are speaking about, is not the one submitted to trunk short time ago, but the one downloaded from internet, probably. John Julien Soula wrote: Hi, Is this manipulator still on tests ? I just tried it and had the same You are

Re: [osg-users] [vpb] does vpb have Graphics card requi rement？

Hi Shiwei, On Thu, Jun 24, 2010 at 2:28 AM, Shiwei Hu henry...@163.com wrote: Thanks for your reply， Maybe the graphics board is bad. VPB only uses OpenGL for doing texture compression and mipmap generation, this doesn't need to touch the graphics at all, and even the Mesa software drivers for

Re: [osg-users] drawing a line using mouse

Hi Devanshi, Have a look at the osgpick example for the mouse to scene intersections, and osggeometry for line rendering. Robert. On Tue, Jun 22, 2010 at 11:15 AM, Devanshi Tiwari devir...@gmail.com wrote: Hi,  i am new to osg.i have learnt to plot a scene using a LAS file in osg. now i wish

Re: [osg-users] Shader composition, OpenGL modes and custom modes

Hi Bruce, On Wed, Jun 23, 2010 at 9:23 PM, Bruce Wheaton br...@spearmorgan.com wrote: So, we would do the same enable calls on state sets with custom made enums, and then also provide a shader function that will be used only if that feature is enabled? Yes that's the idea. It sounds like

Re: [osg-users] Shader composition, OpenGL modes and custom modes

Hi Roland, On Wed, Jun 23, 2010 at 11:20 PM, Roland Smeenk roland.sme...@tno.nl wrote: I have to dig up the thoughts I had during the period I implemented the shader composition that you reviewed. The goals you mention where also the ones I tried to achieve. There are lots of parallels with

[osg-users] optimized (compiled with optimization options ..) shows a blank screen while the debug version behave as expected

Hello everybody, My optimized (compiled with optimization options ..) version shows a blank screen while the debug version behaves as expected (shows the loaded geometry).. Can anybody help me with any suggestions ..? Regards, Sunil. ___ osg-users

Re: [osg-users] optimized (compiled with optimization options ..) shows a blank screen while the debug version behave as expected

Hi Sunil, There isn't really any way for others to know what is wrong given such scant details. You'll need to do some more tests and provide more information about your hardware/OS/what you app is doing. Also try standard osg examples such as running osgviewer cow.osg, does this work OK?

Re: [osg-users] optimized (compiled with optimization options ..) shows a blank screen while the debug version behave as expected

Hi Robert, I am using ubuntu-8.04. I tried osgviewerQT with both optimized and debug builds .. it works fine. I will send you the code if I can reproduce what I am seeing with a simple code .. Thanks for your reply. Sunil. On Thu, Jun 24, 2010 at 3:26 PM, Robert Osfield

Re: [osg-users] optimized (compiled with optimization options ..) shows a blank screen while the debug version behave as expected

Hi Sunil, On Thu, Jun 24, 2010 at 11:24 AM, Sunil S Nandihalli sunil.nandiha...@gmail.com wrote:  I am using ubuntu-8.04. I tried osgviewerQT with both optimized and debug builds .. it works fine. I will send you the code if I can reproduce what I am seeing with a simple code .. I don't have

Re: [osg-users] osgGA::GUIEventHandler problem

Hi, Thanks for the reply! I actually managed to solve the problem, although I'm not sure of what caused it! :) Here's the code for my handler, may it help someone in the same case : Code: bool CRightPanelEventHandler::handle(const osgGA::GUIEventAdapter ea, osgGA::GUIActionAdapter aa,

[osg-users] Free memory from Particles

Hi all !! I have a scene and in a moment I switch ON a lot of particle emitter. Everything is going well but I see in top linux comand that after that I turn OFF the particles, the memory continues with the space alocated when I turned ON. I m using switch node to atach them. Is there some way

[osg-users] OSG Observer

Hi, I want to know what is an observer.And how is it generally be used(one or two things it is most commonly used for).And if possible links to some examples. Thanks in advance. Cheers, nikhil -- Read this topic online here:

Re: [osg-users] osgGA::GUIEventHandler problem

Hi, We had the same problem here, with an event callback on a camera, the push event was called two times, and we solved it with the same method as you, we didn't found time to investigate further. Cheers, On Thu, Jun 24, 2010 at 2:45 PM, Ku Krapox kukra...@gmail.com wrote: Hi, Thanks for

[osg-users] [osgPlugins] Collada plugin Problem

Hi List, I have followed this link to load collada plugin in OSG, i am getting this error in cmake ui tool. Could NOT find LibXml2 (missing: LIBXML2_LIBRARIES LIBXML2_INCLUDE_DIR). i just genearated the solution file despite of this error ,i got dae plugin into osg plugin but getting

Re: [osg-users] [osgPlugins] Collada plugin Problem

Hello Rakesh, I have followed this link to load collada plugin in OSG, i am getting this error in cmake ui tool. Could NOT find LibXml2 (missing: LIBXML2_LIBRARIES LIBXML2_INCLUDE_DIR). This is not related to Collada and should not cause any problems. i just genearated the solution file

Re: [osg-users] Shader composition, OpenGL modes and custom modes

I'm continuing my pondering of shader composition and I'm currently thinking about extending StateAttribute a little to support shader composition. Currently we have two virtual methods in StateAttribute::getModeUsage(ModeUsage) and StateAttribute::apply(State) that subclasses override to provide

Re: [osg-users] VPB master fails to patch an existing database (serialization error again?)

Hi, I have just manged to get some time to look into the issue and have found what appears to be a problem. The build compatablity check that is failing, the previous and current DatabaseBuilder having a different number of layer image options, seems to be the correct state when adding a new

Re: [osg-users] [osgPlugins] Collada plugin Problem

Hi Skylark , Thanks for your reply. I was not aware of third party lib also required .Now i have added to cmake and its coming fine.We should provide some good doc on collada plugin for OSG.I got only this link but its outdated.

Re: [osg-users] [osgPlugins] Collada plugin Problem

LInk is http://www.openscenegraph.org/projects/osg/wiki/Support/KnowledgeBase/Collada but not enough to do collada plugin. -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=29369#29369 ___ osg-users

Re: [osg-users] OSG Observer

Hi Nikhil, osg::Observer is a class to derive from if you want to receive a notification when any other (Referenced) object, previously added/assigned to the Observer, gets deleted. For instance the osg::observer_ptr is a kind of smart pointer that is automatically set himself to NULL when the

Re: [osg-users] [osgPlugins] Collada plugin Problem

Hello Rakesh, http://www.openscenegraph.org/projects/osg/wiki/Support/KnowledgeBase/Collada but not enough to do collada plugin. What do you find is missing? I found it completely adequate when I started building the Collada plugin a little while ago. If the plugin requires additional

Re: [osg-users] OpenSceneGaph 2.9.8 dev release tagged :-)

Nice, I am building and testing the release. looks good. René 2010/6/21 Michael Gronager grona...@ndgf.org Hi Robert, Congratz with this, but perhaps you should update the date (applies for 2.9.7 as well): * OpenSceneGraph-2.9.8, released on 18th June 2009, key I guess it should

[osg-users] New osgTerrain serializer not calling TileLoadedCallback

Hi, Using the new serializes for osgTerrain, it appears that the TileLoadedCallback is not being called when a new TerrainTile is loaded. This used to be done at the end of the TerrainTile_readLocalData method in the old (.ive/.osg format) loaded but I cant see it being done from the new

Re: [osg-users] New osgTerrain serializer not calling TileLoadedCallback

Hi, I am quite stuck now as to what the best approach is for this behavior using the new sterilizers and am hoping somebody with some knowledge in this area can help. What I need to do is call a static method once an object (TerrainTile in this instance) has been loaded. I can't see any

Re: [osg-users] New osgTerrain serializer not calling TileLoadedCallback

HI Brad, I'm afraid I'm still learning about the serializers myself so can't provide a quick answer. Hopefully Wang Rui will have some thoughts on how to do this. My guess is that the design at present isn't set up to do stuff like this, but is possible to customize the process a bit so

Re: [osg-users] Shader composition, OpenGL modes and custom modes

Hi All, As another step towards experimenting with shader composition I've renamed the osgshadercompositor example to osgvirtualprogram as this example is based around a VirtualProgram class, and I'd like to differentiate between test beds like this and work to towards the final shader

[osg-users] memory allocation during updateCallback

Hi for all. I've made a main osg::Group with an osg::NodeCallback attached to call some stuff each update. inside my osg::NodeCallback i have: void MyCallback:: operator()( osg::Node* node, osg::NodeVisitor* nv) { Frame *frame = (Frame*)node; if( ! frame-main_child ) {

Re: [osg-users] New osgTerrain serializer not calling TileLoadedCallback

Hi, Thanks. I have managed to get it to work by writing out a dummy value to the end of the terrain tile record and then calling the TileLoadedCallback when I read the value back in but as I said, this is a very ugly hack. My question now is, at this stage, is it a good idea to rely on the

Re: [osg-users] New osgTerrain serializer not calling TileLoadedCallback

Hi Brad, On Thu, Jun 24, 2010 at 4:09 PM, Christiansen, Brad My question now is, at this stage, is it a good idea to rely on the TileLoadedCallback mechanism within the current osgTerrain design? I don't have any plans to remove TileLoadedCallback, but it's a niche part of osgTerrain only

Re: [osg-users] New osgTerrain serializer not calling TileLoadedCallback

Hi Brad, Thanks for the information. I believe this is a bug of the osgTerrain serializers. I will have a look at it tomorrow and try to submit a fix. I'm at the timezone GMT+8 and it's a little late at present. :) Cheers, Wang Rui 2010/6/24 Christiansen, Brad

Re: [osg-users] New osgTerrain serializer not calling TileLoadedCallback

Hi, Thanks Wang Rui. I am also on GMT +8 (Perth Australia) so yes, it is a little late : ) I am still investigating the issue but it seems the previous problem yourself and Robert fixed in relation to the reading of .source file has re-appeared. I will post details if I can confirm the issue

[osg-users] New problem with VPB serializer

Hi, I have just tracked down another issue with the VPB serializer. This time the issue arises when you try to add an optional layer (nb: this fails at an earlier point with the code in trunk at the moment, I will be submitting a fix for that tomorrow, though the issue can be demonstrated

Re: [osg-users] New problem with VPB serializer

Hi Brad, Unfortunately it's end of day here so I won't have a chance today to look this bug, tomorrow I'll look into it. Cheers, Robert. On Thu, Jun 24, 2010 at 5:40 PM, Christiansen, Brad brad.christian...@thalesgroup.com.au wrote: Hi, I have just tracked down another issue with the VPB

Re: [osg-users] New problem with VPB serializer

Hi, I have tracked down the issue further and have attached a 'fix' for the problem. My code change does seem to work but it is clearly not the correct solution. Wang Rui (or somebody else familiar with the new serialization), I am hoping that you will be able to point in the in direction of a

Re: [osg-users] OpenGL Shader application problem

Wojtek, That worked!!! :D Good call. I dont think I ever would have stumbled on that on my own. So thanks, I really appreciate it. Cheers, Phil -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=29389#29389

Re: [osg-users] OpenGL Shader application problem

Phil, This method often works. Use it also for other state attributes which seem unitialized to proper defaults. Cheers, Wojtek -- From: Phil Fugue poc...@grc.nasa.gov Sent: Thursday, June 24, 2010 9:10 PM To: osg-users@lists.openscenegraph.org

Re: [osg-users] [osgPlugins] ffmpeg plugin on osx

Has anybody compiled ffmpeg sucessfully to work with osg-2.8.3-rc2? When building the osgmovie example I keep getting the attached linker errors no matter how I seem to compile ffmpeg. I tried both i386 and x86_64, building everything from scratch. I have a feeling though the ffmpeg

Re: [osg-users] Shader composition, OpenGL modes and custom modes

Hi Guys, We all seem to agree that the topic actually consists from two subtopics: ShaderGeneration and ShaderComposition. Shader generation would be mostly used to emulate Fixed Pipeline and replace GL Attributes/Modes with generated uniforms and shader pieces. ShaderComposition would allow

[osg-users] Fwd: VTP with osgGA::TrackballManipulator()

Hello, I want to use osg Camera Manipulators in VTP. now ，when I add models like cow.osg to wxEnviro-OSG with osgGA::TrackballManipulator() ,It looks OK. But when I Import VTP data, I find that I can not zoom in/out the scene with right mouse button,while rotate the scene is ok with Left

Re: [osg-users] VTP with osgGA::TrackballManipulator()

I have solve this problem myself。 this is because I did not deal the VTP event response and OSG event response Appropriately. thank you all the same。 在 2010年6月25日 上午11:14，tang qingyuan tang...@gmail.com写道： Hello, I want to use osg Camera Manipulators in VTP. now ，when I add models

Re: [osg-users] [osgPlugins] Collada plugin Problem

Even i followed this link also.You have also mentioned in this link we should provide good doc.if i am matching your name correctly. http://forum.openscenegraph.org/viewtopic.php?t=3366 Any way how new user know that third party lib is also required for building plugin. Regards, parmar.