Re: [osg-users] Collision Detecting by Intersections

Hi Umit, The OSG doesn't directly support collision detection, just provides intersection between various types with the scene graph. The main intersector are the osgUtil::LineSegmentIntersection or PolytopeIntersector, the later could be used for testing a convex hull against the scene and is

[osg-users] osg-users community pass 1900 mark

Hi All, This morning the osg-users mailing list hit another milestone - we now have 1901 subscribers to the osg-users mailing list! Curious Spring (in the northern hemisphere ;-) each year seems to see a surge in the subscription rate, I have no explanation of this, its just an observaration.

[osg-users] OpenSceneGraph-2.5.0 dev release tagged.

Hi All, I have just tagged the 2.5.0 developer release, the first step along the road to the next stable 2.6.0. There have been several bugs fixes that missed 2.4.0 just by a week or two so feel that perhaps a 2.4.1 stable release is due. Some of these fixes have broken binary compatibility

[osg-users] Using TrackballManipulator when scene data changes during run

Hello I'm using a osgGA::TrackballManipulator for my viewer. I have a osg::Group which holds all the scene objects, which can be removed and added during run. When I use the TrackballManipulator I see a problem with the zooming effect - if I added a large terrain I can zoom in but when I come

Re: [osg-users] SpreadingTheNews about OSG2.4

Hi All, I've just notified opengl.org, modsim.org and freshmeat.net about the OpenSceneGraph-2.4 release. I'd appreciate if others can pitch in to complete notification of the rest of the sites. http://www.openscenegraph.org/projects/osg/wiki/Community/Tasks/SpreadingTheNews Thanks, Robert.

Re: [osg-users] Workaround for the problems in OSG / XP / multi monitor/ multithreaded / NVidia

Hi Wojciech, I've just reviewed your change and it looks benign, and I don't foresee any problematic side effects on drivers that don't required this double wglMakeCurrent() calling. The cost of wall wglMakeCurrent() twice I don't see as something that is likely to cause particular performance

[osg-users] window

Hi, I design my scene with osgProducer and I want to bring up the design inside a window. I design my scene with osgProducer and I want to bring up the design inside a window. With the code that I wrote, the window appears, the scene rather not see. How can I do? Miriam int main() {

[osg-users] memory leak about osgMFC example

hello, My osg version is 2.4,and i use VS2005 in windowsXP. When i run the osgMFC example in debug mode,i found that there are memory leak when the window is closed,the message in the VS2005 is below: Detected memory leaks! Dumping objects - {3078} normal block at 0x02054A28, 32 bytes

Re: [osg-users] osgForge: what's the status?

Hi Robert, Argg gotta love Dreamhost... this used to work... Any progress? I notice osgforge.org still gives an error... J-S -- __ Jean-Sebastien Guay[EMAIL PROTECTED] http://www.cm-labs.com/

Re: [osg-users] memory leak about osgMFC example

Hi Heishuijing, Please do a search through the archives on this topic, you'll find lots of queries about it, and lots of response along the lines, MS's memory tracker is broken and reports false positives - there is no memory leak, just MS buggy code wasting your time. Robert. 2008/5/12

Re: [osg-users] osgForge: what's the status?

On Mon, May 12, 2008 at 2:36 PM, Jean-Sébastien Guay [EMAIL PROTECTED] wrote: Any progress? I notice osgforge.org still gives an error... I haven't had a chance to chase this up. I really have been over swamped by support work this past week, I *have* to give it break and get on with other

Re: [osg-users] memory leak about osgMFC example

In addition to what Robert said, see http://www.mail-archive.com/[EMAIL PROTECTED]/msg08551.html ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] memory leak about osgMFC example

I used to worry about the same issue some time ago. Check out the message archive, you'll see that it's resolved as a false alarm. Regards, Can 2008/5/12 heishuijing_2000 [EMAIL PROTECTED]: hello, My osg version is 2.4,and i use VS2005 in windowsXP. When i run the osgMFC example in

Re: [osg-users] Workaround for the problems in OSG / XP / multimonitor/ multithreaded / NVidia

Hi Robert, I've just reviewed your change and it looks benign, and I don't foresee any problematic side effects on drivers that don't required this double wglMakeCurrent() calling. The cost of wall wglMakeCurrent() twice I don't see as something that is likely to cause particular performance

[osg-users] CompositeViewer and multiple cull/draw threads.

Hi, When using a CompositeViewer and multiple threads, I found that it is necessary to run getBound() on the topnode of the scenes between updateTraversals() and renderingTraversals() to be sure to be thread safe. I read that this is done in SceneView::update(), but is this the correct way of

Re: [osg-users] memory leak about osgMFC example

See http://www.vis-sim.com/3dsceneBB/viewtopic.php?t=1027 Also check out http://www.catb.org/~esr/faqs/smart-questions.html and the section 'Before you Ask' -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Robert Osfield Sent: Monday, May 12, 2008

Re: [osg-users] Workaround for the problems in OSG / XP / multimonitor/ multithreaded / NVidia

Hi Wojtek, On Mon, May 12, 2008 at 3:06 PM, Wojciech Lewandowski [EMAIL PROTECTED] wrote: I am not sure what you mean by automatic tests ? Do you want me to write some code to check if there are related issues before appling this workaround ? I simply mean a test against the driver version,

Re: [osg-users] memory leak about osgMFC example

Hi Gordon, Maybe we should add a MessageBox with Your suggestions at the startup of MFCexample ;-) Maybe it would end up those posts ? Cheers, Wojtek See http://www.vis-sim.com/3dsceneBB/viewtopic.php?t=1027 Also check out http://www.catb.org/~esr/faqs/smart-questions.html and the

[osg-users] Multiple off-screen renders?

I've run into an issue in which it appears that having more than one off-screen rendering camera causes OpenSceneGraph to crash, and I was curious if I'm doing something wrong or if there's a workaround available. I've got four cameras in the scene graph. Two are fbo cameras for shadow

Re: [osg-users] memory leak about osgMFC example

:) Hi Gordon, Maybe we should add a MessageBox with Your suggestions at the startup of MFCexample ;-) Maybe it would end up those posts ? Cheers, Wojtek See http://www.vis-sim.com/3dsceneBB/viewtopic.php?t=1027 Also check out http://www.catb.org/~esr/faqs/smart-questions.html and

Re: [osg-users] Multiple off-screen renders?

Hi Jason, There is way too little info to know what is going wrong. One thing you need to be careful of when managing multiple graphics contexts is that you manage the contextID appropriately for each context. However, you haven't specified if you have multiple graphics contexts. You haven't

[osg-users] obtaining the display list ID from a geometry node

Hi there, I would like to obtain the display list ID of a geometry and use them inside my own CSG tool. Then I would like to render the result of the CSG process, which are also display lists. The main purpose of using OpenSceneGraph would be to manage my scene, like to load data, manage the

Re: [osg-users] window

Hi Miriam, I don't really understand exactly what you are after. The best I can do is suggest you have a look at the OSG examples to see how they set up windows. If you need Producer specific support then you question is probably best logged on the Producer mailing list. The other alternative

Re: [osg-users] Workaround for the problems in OSG / XP /multimonitor/ multithreaded / NVidia

I simply mean a test against the driver version, one could come up with a who sets of tests that try to isolate when this double make current is applied. Automatic in as much as its a test that is done within GraphicsWindowWin32 methods rather than something manually invoked by the user. I may

Re: [osg-users] obtaining the display list ID from a geometry node

Hi Sebastien, The Drawable method you are look for is: /** Return OpenGL display list for specified contextID. */ inline GLuint getDisplayList(unsigned int contextID) const { return _globjList[contextID]; } However, your usage model so sounds rather outside the usage for the

Re: [osg-users] Multiple off-screen renders?

Since there are no references to the graphics contexts in the code, I can only imagine we have a single graphics context. I'll start trying to dig up some documentation on graphics contexts. The application is multi-threaded, for what it's worth. Unfortunately, this code-base has got enough

Re: [osg-users] Workaround for the problems in OSG / XP /multimonitor/ multithreaded / NVidia

Hi Wojciech, On Mon, May 12, 2008 at 4:33 PM, Wojciech Lewandowski [EMAIL PROTECTED] wrote: I may test if GL_VENDOR string contains NVidia word (case insensitive). and GL_RENDERER contains GeForce and sometthing that fits 6??0, 7??0, 8??0 paterns. I don't know if there are extensions

Re: [osg-users] Workaround for the problems in OSG / XP/multimonitor/ multithreaded / NVidia

Robert, GraphicsWindowWin32 only exists under Windows, and given that make current is so rarely called and calling it twice with the same value won't break anything I'd suggest we just integrate your hack without any extra checks. As I mentioned before the extra checks could well introduce

Re: [osg-users] Workaround for the problems in OSG / XP /multimonitor/ multithreaded / NVidia

Hi Wojtek, Robert, So I'd suggest merge your change as is. I was hoping for a bit more feedback from other Windows users before merging though... You just needed to ask... ;) I tried the change to GraphicsWindowWin32 with the modified osgprerender example, here at work (Vista 32bit,

[osg-users] wxWidgets onKeyDown Event not called

I cant seem to get the onKeyDown/onKeyUp events to get called within the osgViewerWx example. The mouse/resize/draw event handlers work just fine. I'm using the unchanged source from OSG 2.2 and wxWidgets 2.8.7. Thanks in advance, Steve ___

Re: [osg-users] Workaround for the problems in OSG / XP /multimonitor/ multithreaded / NVidia

Thanks J-S, So I'd suggest merge your change as is. I was hoping for a bit more feedback from other Windows users before merging though... You just needed to ask... ;) I tried the change to GraphicsWindowWin32 with the modified osgprerender example, here at work (Vista 32bit, VS2005,

Re: [osg-users] osg-users community pass 1900 mark

and 120 and growing on the OSG LinkedIn group :-) http://www.linkedin.com/e/gis/61724/6F710C14EBAF -- mew -- Mike Weiblen -- Austin Texas USA -- http://mew.cx/ On Mon, May 12, 2008 at 4:29 AM, Robert Osfield [EMAIL PROTECTED] wrote: Hi All, This morning the osg-users mailing list hit

[osg-users] Sample TerraPage terrain?

Hi, I've got 3 TerraPage terrains that don't show up when I load them in osgViewer.exe. Also no useful error messages show up. I'm using OSG 2.4.0. I was wondering if anyone knows I can get a sample TerraPage terrain that works with OSG 2.4.0 that I can use as a control for my tests.

Re: [osg-users] Sample TerraPage terrain?

Hi Brett, TerraPage terrains tend to have overly aggressive LOD settinngs that cause the scene to cull out at the default viewing position that the OSG uses. Try zooming into the scene and you should see the tiles pop in as you get within range of the LOD. Robert. On Mon, May 12, 2008 at 6:42

Re: [osg-users] Robert, collada dae2 maybe?

I just tried this and I didn't have any problems. I'm on Ubuntu Gutsy. Here's (roughly) what I did. # DOM setup sudo aptitude install libxml2-dev libpcre3-dev libboost-filesystem-dev svn co dom make sudo make install # OSG setup sudo aptitude install cmake svn co osg-trunk svn co

Re: [osg-users] SpreadingTheNews about OSG2.4

Hi Robert, I've just notified opengl.org, modsim.org and freshmeat.net about the OpenSceneGraph-2.4 release. I'd appreciate if others can pitch in to complete notification of the rest of the sites. I've put a news article on vroot.org, but it's not on the front page yet (I guess the

Re: [osg-users] Performing non-rendering actions between renderbins

Hi Robert, My in-experience with OSG made using the CompositeViewer easy, the explicit methods to add additional views jumped out as a quick and easy way to accomplish the goal of multiple views of the scene, each with a slightly different data set. In hind-sight I realize that it may not be how

Re: [osg-users] Robert, collada dae2 maybe?

Actually I can reproduce this now. I just wasn't calling it the same way you guys were. I was giving the output file a full path, and in that case the conversion works. This is likely a simple error in the way the plugin converts URIs to file paths (which, incidentally, doesn't need to be

Re: [osg-users] OpenSceneGraph on Windows XP

Are you mixing a debug application with release OSG libs? That might cause this type of error. Try to reproduce the problem with debug OSG libs to see what is at the top of the call stack. It seems fishy to me that the line you indicated was attempting to allocate memory on the heap. Can you

[osg-users] pagedLOD question

Hi, I have a set of terrain files that represent LODs for a terrain that I'd like to have OSG load and page. It's a quad tree where the first tile is the low res LOD 0. The next LOD is four tiles of medium resolution and the LOD after is 16 tiles of high resolution terrain. My question is, how

Re: [osg-users] OpenSceneGraph-2.5.0 dev release tagged.

Bug fixes are much more important to me than binary compatibility, __ Gordon Tomlinson Email   : [EMAIL PROTECTED] YIM/AIM : gordon3dBrit MSN IM  : [EMAIL PROTECTED] Website : www.vis-sim.com www.gordontomlinson.com

[osg-users] How to document osgShadow?

I've started working with osgShadow recently, and although i haven't found any actual documentation, by studying the osgshadow example and by reading hundreds of shadow-related messages in the archive, i've begun to understand it, although many things remain mysterious. I'd like to contribute

[osg-users] Building the SVG plugin

I just updated OSG and would like to take the new SVG plugin for a test drive. Unfortunately, CMake doesn't appear to find the librsvg/cairo dependencies, and consequently, building OSG does not build the SVG plugin. The real odd part is that I don't see any CMake variables for controlling where

[osg-users] Tesselator.cpp build error on MacOS X

Hi all, after updating to the current SVN r8313 (OSG-2.5) I'm getting a compile error for osgUtil/Tesselator.cpp: /Users/uli/Projects/osg/OpenSceneGraph/src/osgUtil/Tessellator.cpp: In member function 'void osgUtil::Tessellator::beginTessellation()':

Re: [osg-users] How to document osgShadow?

Hi Ben, First of all, thanks for your willingness to contribute to documenting parts of the OSG which are still pretty bleeding-edge! It's great to see this kind of involvement. About where to put documentation: 1. The wiki has a page:

Re: [osg-users] Tesselator.cpp build error on MacOS X

Apparently GLU_TESS_CALLBACK_TRIPLEDOT isn't defined under MacOS X 10.4 (maybe on 10.5?) but needs to be... The last change regarding this is from 4/10/2007 so I don't know what changed. /ulrich Ulrich Hertlein wrote: after updating to the current SVN r8313 (OSG-2.5) I'm getting a compile

Re: [osg-users] Building the SVG plugin

Hi Paul, The real odd part is that I don't see any CMake variables for controlling where CMake searches for librsvg/cairo.I'm trying this on Windows, but that shouldn't make a difference for CMake... If I read the traffic on the SVG plugin right, the submitter only tested on Linux, where

Re: [osg-users] Building the SVG plugin

Paul Martz wrote: drive. Unfortunately, CMake doesn't appear to find the librsvg/cairo dependencies, and consequently, building OSG does not build the SVG plugin. The real odd part is that I don't see any CMake variables for controlling where CMake searches for librsvg/cairo.I'm trying this on

Re: [osg-users] Tesselator.cpp build error on MacOS X

Hi Ulrich, I seem to remember traffic regarding this error on MacOS X on the mailing list but [...] ... haven't checked the archives? :-) Sorry to be blunt, but this came up a few days ago at most. Check your CMake window for a setting with TRIPLEDOT in its name and toggle its value. Check

Re: [osg-users] Tesselator.cpp build error on MacOS X

Hi J-S, Jean-Sébastien Guay wrote: I seem to remember traffic regarding this error on MacOS X on the mailing list but [...] ... haven't checked the archives? :-) No I didn't though I should've. I've seen too many archives that don't allow searching (not the OSG archive) which makes them

Re: [osg-users] Tesselator.cpp build error on MacOS X

On Mon, May 12, 2008 at 10:12 PM, Ulrich Hertlein [EMAIL PROTECTED] wrote: Hi J-S, Jean-Sébastien Guay wrote: I seem to remember traffic regarding this error on MacOS X on the mailing list but [...] ... haven't checked the archives? :-) No I didn't though I should've. I've

Re: [osg-users] Robert, collada dae2 maybe?

I submitted a fix to osg-submissions. Diff (against trunk) is below for anyone who wants it now. Steve === --- src/osgPlugins/dae/ReaderWriterDAE.cpp(revision 8313) +++ src/osgPlugins/dae/ReaderWriterDAE.cpp(working copy)

Re: [osg-users] Tesselator.cpp build error on MacOS X

Hi Ulrich, No I didn't though I should've. I've seen too many archives that don't allow searching (not the OSG archive) which makes them pretty much useless unless you have lots of time. But thanks for reminding me of that and also not to make any assumptions or rely on obsolete data. ;-)

Re: [osg-users] Building the SVG plugin

On Mon, May 12, 2008 at 9:52 PM, Ulrich Hertlein [EMAIL PROTECTED] wrote: Paul Martz wrote: drive. Unfortunately, CMake doesn't appear to find the librsvg/cairo dependencies, and consequently, building OSG does not build the SVG plugin. The real odd part is that I don't see any CMake