Re: [osg-users] Frame rate in OpenSceneGraph

Hi Lucie, The 60Hz frame rate limitation is due to the graphic-card pilot vertical synchronization. Disable the vertical Sync. and the Frame rate displayed will be the real one. Regards, Vincent. Le 20/05/2010 15:10, lucie lemonnier a écrit : Hi, I want to know if there is a limit in

[osg-users] Picking issue with PagedLOD

Hi all, I get a strange PagedLod behavior concerning LOD picking : Sometimes, at runtime, I modify the PagedLOD ranges to have the high level to be always loaded, whatever is the distance from camera. For that, I set range from [0,n][n,1e20] to [0,0][0,1e20]. The [0,0] range seems to be a

Re: [osg-users] Noob question: how to change osg::Group to osg::Switch

Hi, You just have to create a new Switch, attach the geodes to it, and get the parent of the group to attach the switch and remove the group. Next just check that the geode only have one parent, but I think this would be enought Regards, Vincent. Le 17/06/2010 12:58, Roman Grigoriev a

[osg-users] nofity in two files from two differents applications

Hi all, I'm using the osg::notify logs, but in two applications(threads) in the same process. Each application uses the notify logs of osg that are redirected into a log file, but when one application run and the second is started, it redirect each logs into a new common file... I would like

[osg-users] LOD Culling issue

Hi all, Still having issues with PagedLOD... _ My scene is composed by PagedLOD only at start-up. All is good, the files are loaded and the geometry are displayed. But when, before launching the render loop, I add a little geometry (not a pagedLOD, just a simple little sphere) in my scene,

Re: [osg-users] LOD Culling issue

, Vincent Bourdier vincent.bourd...@gmail.com wrote: Hi all, Still having issues with PagedLOD..._ My scene is composed by PagedLOD only at start-up. All is good, the files are loaded and the geometry are displayed. But when, before launching the render loop, I add a little geometry

Re: [osg-users] LOD Culling issue

Hi Robert, Thanks a lot for this answer, I tried and this fix my issue :) Regards, Vincent. Le 16/07/2010 10:50, Robert Osfield a écrit : Hi Vincent, Do you mean that I have to initialize the Bounding Sphere of the PagedLOD node when I create it ? because I didn't found any special

[osg-users] 3D envelopes

Hi all, I am currently looking for a way to compute envelopes from 3D datas (Geometry, Groups, etc...) I saw that external lib could do it, but first of all I ask to all of you if someone did something for OSG that could help me. That would help me a lot in my work. Thanks for your help.

Re: [osg-users] 3D envelopes

:12 PM, Vincent Bourdier vincent.bourd...@gmail.com wrote: Hi all, I am currently looking for a way to compute envelopes from 3D datas (Geometry, Groups, etc...) I saw that external lib could do it, but first of all I ask to all of you if someone did something for OSG that could help me

Re: [osg-users] Update callbacks and LOD

Hi, To my mind there are two solutions : 1. You put your callback on the LOD child you want, so when the child will be hidden by a upper-detailed level child, the callback should not be traversed 2. in your callback you check if your node is still active, and if not, just do nothing.

Re: [osg-users] Better debug visualization in Visual Studio

Hi, FYI, this is not compatible on VS2008 and previous versions. (I mean the _vcee_autoexp variable) For theses versions you have to edit the autoexp.dat file. Sorry I didn't tried already Vincent. Le 22/10/2010 10:35, Dženan Zukić a écrit : Hi, have you tried it? Opinions, experience?

Re: [osg-users] Better debug visualization in Visual Studio

Hi Manuel, I'll try it sooner to be sure, it could be nice to have some debug info rules for OSG classes that we can share. Thanks for the information Regards, Vincent. Le 25/10/2010 09:54, Manuel Garnier a écrit : Hi Vincent, I have to disagree with you : it works for me with VS 2008.

Re: [osg-users] Better debug visualization in Visual Studio

Nice :-) Its works well on VS2008 SP1 Thanks for the tip Regards, Vincent. Le 25/10/2010 10:21, Vincent Bourdier a écrit : Hi Manuel, I'll try it sooner to be sure, it could be nice to have some debug info rules for OSG classes that we can share. Thanks for the information Regards

Re: [osg-users] Semi-transparency

Hi Lucie, You should have a look in osg examples, there is some piece of code where transparency is set. HUD example could be a good start. Here are the main steps : * set the material alpha value to 0.5 (for 50% tranparency) * set the render bin to transparent Hoping this could help you,

Re: [osg-users] create Geometry

Hi Alexander, How do you get CATIA geometries ? do you use an external library ? Thanks Regards, Vincent Le 22/11/2010 13:52, Alexander Moeller a écrit : That was exactly what i was looking for. My goal is to read CATIA-files and display them with OSG. Up to now i could use a library to

Re: [osg-users] create Geometry

Same thing here, the external libraries are not free and sometimes contains bugs/crash... If you would share any progress on how is it possible to manage CATIA file with only free libraries, I would be very grateful and interested in helping you. Regards, Vincent. Le 22/11/2010 14:07,

Re: [osg-users] change model dynamically

Hi Lucie, I think this is a simple C++ issue. First you create _model which is a pointer on a node. Then you make a new node and set _model to store its adress. Next, you load a new node and set _model to store it again. So the first thing is, you don't need to do _model = new osg::Node(); So

Re: [osg-users] [ANN] New book published - OpenSceneGraph 3.0 Beginner's Guide

Congratulations ! I was interested in writing this book as Packt offered me, but it was too much work and I'm not an OSG master yet ... Now I'm very interested in reading it ! Vincent. Le 22/12/2010 14:04, Wang Rui a écrit : Hi all, After 6 months work, we would finally proudly announce a

Re: [osg-users] LOD::setRange crash

2010/12/26, issam boughanmi amigof...@gmail.com: Hi, using delta3d 2.4 +osg 2.8.2 i have a pagedlod terrain built with vpb 0.9.10 (i think) and some other objects in my scene i have a crash in my application after switching to the debug mode the crash occur in this line Code: void

[osg-users] Osg and threads

Hi all, Currently working on a way to manage the memory efficiently, I would like to know what are the osg threads running ? I mean there are some threads in the databasePager, depending on the rendering threading mode there are threads for the render, the cull, or whatever... Did I miss

Re: [osg-users] Osg and threads

of doing this, but given no information about what you mean and you actual motivation for this others like myself can't really point you in the right direction, the best I can say is from the sound of it you are currently looking in the wrong place. Robert. On Thu, Jan 13, 2011 at 8:14 AM, Vincent

Re: [osg-users] Osg and threads

that there is 2 threads running for the rendering... I know I'm not supposed to disturb the rendering threads, but if I cannot get them there is no risk at all... Did I miss something ? Thanks. Regards, Vincent. Le 13/01/2011 11:49, Vincent Bourdier a écrit : Hi Robert, First of all

Re: [osg-users] How to setup osg with c++

What is the problem ? You should have a look on osg website to find installation help. Vincent. Le 18/01/2011 10:08, Tze Shyuan a écrit : Hi, I am new in using open scene graph, and i have problems is setting up osg with microsoft visual 2008 c++ express edition. can anyone help me up?

[osg-users] Database Pager behavior

Hi all, I just would like to understand the behavior of the database Pager when I get osg::notify(osg::INFO)DatabasePager::fileRquest(fileName) orphaned, resubmitting.std::endl; This code is in the DatabasePager::requestNodeFile(...) function, where the file is considered as

Re: [osg-users] Download details: Microsoft Visual Studio 2010 Service Pack 1 (Installer)

Hi, So for this header issue, there is no planed change on 2.8.3 ? The only fix is to add the include by hand ? Thanks. Regard, Vincent. Le 17/03/2011 19:32, D.J. Caldwell a écrit : Sorry, everyone. I hit Send too fast before I could remember something else import to my experience. There

Re: [osg-users] Download details: Microsoft Visual Studio 2010 Service Pack 1 (Installer)

Hi, So first of all why not just give a patch to apply, provided with the sources or on the download wiki page ? Regards, Vincent. Le 22/03/2011 16:14, Chris 'Xenon' Hanson a écrit : On 3/22/2011 7:42 AM, Vincent Bourdier wrote: So for this header issue, there is no planed change

Re: [osg-users] 2.8.4 RC1 tagged

Hi, OSG, example and most of the plugins compil well (I do not have all the required dependencies for all plugins) on VS2010 on win XP pro I'll try the RC2 now Vincent. Le 28/03/2011 22:29, Chris 'Xenon' Hanson a écrit : On 3/28/2011 2:27 PM, Paul Martz wrote: I'm just the svn commit

Re: [osg-users] 2.8.4 RC2 tagged

Hi, I've compiled 2.8.4-RC2 on my winXP and VS2010. No errors. Good job :-) Vincent. Le 29/03/2011 05:18, Wang Rui a écrit : Hi Paul and Chris, I've tested 2.8.4-rc2 on my Windows XP and VisualStudio 2005. It built fine in both debug and release configurations. But when I tested the ffmpeg

Re: [osg-users] 2.8.4 RC2 tagged

Hi all, I just notice little thing that can be important : Until 2.8.3 the generated lib file were named with a version number (osg55-osg.dll for 2.8.1 osg65-osg.dll for 2.8.3) but with 2.8.4 the lib files are just named osg.dll, osgAnimation.dll, etc... Is this a real choice, a VS2010

Re: [osg-users] OSG 2.8.4 VS2010 build problem DLL versioning

Hi all, Paul did some digging, and thinks that maybe this trunk patch: http://www.openscenegraph.org/projects/osg/changeset/11904 Might have been the fix for this. This appears to have been the work of Sukender and Wang Rui. I've copied them on this. Maybe they can tell us if this is

[osg-users] osgDB ifstream / ofstream conflict

Hi all, I've an issue concerning the std::ifstream in my application. I know that I need to use osgDB::ifstream instead of std::ifstream and I did everywhere in my code. But, my project links with an other lib than OSG, and this library is using std::ifstream and std::ofstream, and this

[osg-users] CMake - How to configure a library using OSG

Hi everybody, I'm working a library as a toolbox based on OSG. I'm trying to write a CMake configuration file. The file is working, OSG is found, but OSG needs two includes directories : D:\Codage\OSG_2.8.2\binaries\include; D:\Codage\OSG_2.8.2\sources\src\include; And Cmake generate a Visual

Re: [osg-users] OpenSceneGraph-2.8.4-rc3 now tagged

Hi Chris Thanks for this release, I just build it on WinXP and VS2010. No errors, and the version number in the DLL file name is set :-) Just to be sure, is it expected that the DLL file name number is the same for OSG 2.8.3 and 2.8.4 ? Thanks, Regards, Vincent. Le 07/04/2011 04:43,

Re: [osg-users] OpenSceneGraph 2.8.4 stable release

Hi, Thanks for you work on this release, I really apreciate this and I'm going to use it in a few days :-) Regards, Vincent. Le 11/04/2011 20:43, Chris 'Xenon' Hanson a écrit : http://www.openscenegraph.org/svn/osg/OpenSceneGraph/tags/OpenSceneGraph-2.8.4 We will need to go about

Re: [osg-users] osgDB ifstream / ofstream conflict

Hi all, No advices or ideas ? Am I the only one this this issue Regards, Vincent Le 04/04/2011 17:36, Vincent Bourdier a écrit : Hi all, I've an issue concerning the std::ifstream in my application. I know that I need to use osgDB::ifstream instead of std::ifstream and I did everywhere

Re: [osg-users] osgDB ifstream / ofstream conflict

Hi Mourad Thanks for your answer but I already checked that. TsLib_MDdNET2010 is a static lib but linked with /MD(d), like my application... Vincent. Le 20/04/2011 11:50, Mourad Boufarguine a écrit : Hi Vincent, On Mon, Apr 4, 2011 at 4:36 PM, Vincent Bourdier vincent.bourd...@gmail.com

Re: [osg-users] osgDB ifstream / ofstream conflict

to be sure to understand why this occurs, but any advices or explanations are welcome. If my fix is accepted this could be a submission for OSG, eventually... Thanks. Regards, Vincent. Le 20/04/2011 14:54, Vincent Bourdier a écrit : Hi Mourad Thanks for your answer but I already checked

Re: [osg-users] osgDB ifstream / ofstream conflict

Hi, Sorry to insist but I would appreciate any advices about this issue. Maybe I'm the only one who encountered it, but the patch I did is not so... clean to my mind... Thanks. Regards, Vincent. Le 21/04/2011 14:50, Vincent Bourdier a écrit : Hi all, I just found a fix after some

Re: [osg-users] osgDB ifstream / ofstream conflict

-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] On Behalf Of Vincent Bourdier Sent: Wednesday, 27 April 2011 11:47 PM To: osg user Subject: Re: [osg-users] osgDB ifstream / ofstream conflict Hi, Sorry to insist but I would appreciate any advices about

Re: [osg-users] lazy readNodeFile

Hi, Maybe the ReadNodeFileCallback can help you. It is used by the DatabasePager, so you can manage what is done for each readNodeFile call. Or maybe making your own node node as PagedLOD which load the file only when requested... Or playing with UpdateCallback... Sorry this is not a real

Re: [osg-users] Node callback without being included in the scenegraph

Hi, The update callback are called by a visitor (cullvisitor ?) so if the node is not in the scene graph you won't get any chance to have your callback traversed, and called. But you can call the updatevisitor (cullvisitor?) by yourself on a scenegraph you made if I'm not wrong. Hope this

Re: [osg-users] Delighted to announce OpenSceneGraph-3.0.0!

Thanks a lot for your work, it is a pleasure to have a very good library still living and with a lot of people concerned and interested. Regards, Vincent. Le 28/06/2011 12:03, Robert Osfield a écrit : I'm chuffed to bit to be able to announce the OpenSceneGraph-3.0.0 release, a release

Re: [osg-users] Intersection of two lines

Hi, Using a simple system equation you should find it. Just google it... Regards, Vincent. Le 07/09/2011 11:32, Andreas Roth a écrit : Hi, this maybe a stupid and simple question. I have two lines and i want to calculate the intersection point of the two lines. For both lines is have a

Re: [osg-users] Requesting forum access and approval

Hi, Sorry, the moderation team approves the topics for each new users on their free time, and according to the holidays and personal time usage, sometimes moderation is very late. I'm trying to be more efficient... Cheers, Vincent -- Read this topic online here:

Re: [osg-users] Numerous [ Topic is awaiting approval ] Posts

Hi, I noticed Art by mail today, also encouraged people to participate in moderation. I'm trying to flush as many as possible posts waiting for approval, but since I'm not an OSG active user I cannot be enough active here to make it work as expected. Waiting for Art having some time to spend

Re: [osg-users] PolytopeIntersector usage

Hi Peter Le 08/09/2011 09:40, Peter Hrenka a écrit : The goal is to compute if a point is at less than a fixed distance from a node, and to my mind the intersection is the best way but maybe there is something more adapted ? I think that should be possible. I would recommend using a cube which

Re: [osg-users] PolytopeIntersector usage

Hi Peter, Yes this is a nice precision, the euclidian distance will be a second pass to check the intersected results. Thanks a lot :-) Regards, Vincent Le 08/09/2011 10:21, Peter Hrenka a écrit : Hi Vincent, Am 08.09.2011 10:00, schrieb Vincent Bourdier: Hi Peter Le 08/09/2011 09:40

Re: [osg-users] performance problems in OSG 2.8.2 tried LOD, Culling etc.

Hi, Did you had a look on the result of the simplifier ? I'm not OSG'simplifier master but sometimes simplifiers just cannot simplify more, so the results remains nearly the same. Maybe you could create your own simplified geometries for example a (colored) cube for a building (6 faces, even 5

Re: [osg-users] update callback with multiple node path

Hi, The update callback is done to be updated each frame in the traverse() method. Rewriting it is necessary to update it. So add a callback on the decorator and update it in traverse() method. Regards, Vincent Le 18/11/2011 09:39, xbee a écrit : Hi all, I'm trying to make blinking a part

[osg-users] Distance point to geometry

Hi all, Looking in the archives I didn't get any interesting answer so here is the question : Is there any way using OSG to compute the distance between a graph and a point ? (not just with the vertices but also with edges and the triangles) I could implement my own visitor to traverse all

Re: [osg-users] Distance point to geometry

Hi Robert, Sorry if I was not clear : I'm just looking for a way to compute the smallest distance between a point and a geometry, not just a point to vertex distance, but also a point to edge or point to face (orthogonal projection). Due to the few days I have I think this won't be possible

Re: [osg-users] Distance point to geometry

Hi Robert, Le 16/01/2012 10:53, Robert Osfield a écrit : You'd implement a NearestGeometryIntersector that holds a point that you test your osg::Geometry against, using a osg::TriangleFunctor like the LineSegmentIntersector would allow you to simply the work down to just a test of the point

Re: [osg-users] Distance point to geometry

Hi Robert, Thanks for you help. I think I can do something not so bad with that. Regards, Vincent. Le 16/01/2012 20:04, Robert Osfield a écrit : Hi Vincent, On 16 January 2012 14:55, Vincent Bourdiervincent.bourd...@gmail.com wrote: Thanks for the idea I'll will start with that. How

[osg-users] Win32 Bitmap to osg Image

Hi all, I'm currently trying to convert a bitmap image file to an osg::Image. I get my Bitmap from the win32 api making a screenshot, but as specified in the plugin bmp the internal format of the Bitmap is not RGB but BGR. Is there any way to directly use the BGR data buffer in a new

Re: [osg-users] Win32 Bitmap to osg Image

Hi Urich, Le 03/02/2012 05:41, Ulrich Hertlein a écrit : what errors/issues/non-results are you seeing? Black? Reversed colors? Crashes? The BGR become RGB without conversion, so the image is almost good, unless the color component that are swapped between red and blue. (As I

Re: [osg-users] Win32 Bitmap to osg Image

Hi all, Just a few word to conclude this issue : I had to swap the BGR to RGB colors by myselt, the following code was not enougth to make it : I would naively expect that either _image-setImage(width, height, 1, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, data, osg::Image::NO_DELETE); or

Re: [osg-users] How do you manage multiple world matrices?

Hello, If you use that in relation with the pick handlers, you'll see that every intersector will return you the intersected node complete path, so there is no issue with multiple parents nodes. In other cases, managing nodes using the nodePath as reference is a solution too... Regards,

Re: [osg-users] [osgPlugins] Write animation to mpeg or other video format

Hi, Using osgDB::writeImageFile you can save an osg::Image to you hard drive, the format available will be depending on the plugins you have. To make this image, just use the viewer/camera to get the pixel buffer. Or simply use the screenCaptureHandler, you can find it in the examples, to

Re: [osg-users] Retrobooster - OSG-based game

Very nice job ! I already tried to make an OSG based game, this was not so beautiful !! Regards, Vincent 2012/3/21 Terry Welsh mogu...@gmail.com Hi guys, Thanks for the kind words. Unfortunately, the little people cannot extinguish themselves. Life is hard for virtual fodder :( I

[osg-users] osgWidget performances

Hi all, I'm currently trying to find a performance improvement in osgWidget due to some lag we have in our application : We use osgWidget to manage some things at runtime, but we realized that performances were dropping in big scenes. Using profiler co, I found that the

Re: [osg-users] osgWidget performances

for picking so that only the pickable objects in the scene are considered. I wonder if osgWidget has implemented one in it's pick handler. Regards, Kim. On 16 April 2012 16:19, Vincent Bourdier vincent.bourd...@gmail.com mailto:vincent.bourd...@gmail.com wrote: Hi all, I'm currently

Re: [osg-users] osgWidget performances

, Kim. On 16 April 2012 16:19, Vincent Bourdier vincent.bourd...@gmail.com mailto:vincent.bourd...@gmail.com wrote: Hi all, I'm currently trying to find a performance improvement in osgWidget due to some lag we have in our application : We use osgWidget to manage some things

Re: [osg-users] osgWidget performances

Hi Robert, Thanks for you help too. I'm very late on my osg posts but the mask were a good improvement, sufficient for now. But I'll keep in mind your suggestion for the future implementation. Thanks again everyone ! Regards, Vincent. Le 18/04/2012 10:13, Robert Osfield a écrit : Hi

Re: [osg-users] [ANN] Looking for forum moderators and administrators

Hi Art, I could be interested to be a moderator. I've already been administrator and moderator on little privates forums in French a few years ago, and I participate in osg user list/forum since 2008 and I've been one on the Rui Wang's OSG 3 Cookbook reviewer last year. I would be interested

Re: [osg-users] How do I calcuate angles between two points?

Hin Dan, Makerotate will compute a rotation from front vector P1 to front vector P2. You can decompose the Quat after if you need the angles. Regards, Vincent. Le 13/06/2012 17:29, dan marshal a écrit : Hi, My model is at point 2 and I want to rotate it to face Point 1. Point 1 =

Re: [osg-users] Tree Rendering system based on OpenSceneGraph

Hi, I'm interested in procedural generation, more precisely in L-Systems (base system of fractals). I'd be interested to work on something like tree generation. I also have some LOD / pagedLOD experiences. Does this project is a personal one ? something industrial ? Regards, Vincent

Re: [osg-users] Tree Rendering system based on OpenSceneGraph

Hi, Sorry I did not understood that this document was a final choice. I'm interested in L-Systems more in than tree generation, so I don't think it will be interesting to work together. Good luck. Cheers, Vincent -- Read this topic online here:

Re: [osg-users] [forum] robotic arm problem

Hi, Please have a look in osg example, there is one about robot using transforms if I'm not wrong. Thank you! Cheers, Vincent -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=49375#49375 ___

Re: [osg-users] robotic arm problem

Topic moved to General forum, OSG [Forum] section is to talk about the forum, not technical questions about OSG. Hi, I don't understand what I'm supposed to see on your picture. If the rotation is not good, mabe check the rotation center : the center 0,0,0 in he object coordinate frame.

[osg-users] Node Callback never called

Hi, I'm currently having some troubles in my code that I didn't understand. Some help would be very apreciated : I have a nodeCallback to animate a shader. I set this callback as nodeCallback on a geode that is displayed, but the callback operator() is never called. I set the same callback as

Re: [osg-users] Node Callback never called

, Stephan Am 23.08.12 08:42, schrieb Vincent Bourdier: Hi, I'm currently having some troubles in my code that I didn't understand. Some help would be very apreciated : I have a nodeCallback to animate a shader. I set this callback as nodeCallback on a geode that is displayed, but the callback

Re: [osg-users] Node Callback never called

? Cheers. 23.08.2012, 11:09, Vincent Bourdier vincent.bourd...@gmail.com: Hi, Nice idea, but there is no other callback antwhere in the code, so i don't think so. thanks, Vincent. Le 23/08/2012 08:55, Stephan Huber a écrit : Hi, any chance there's another updatecallback attached to one

Re: [osg-users] Node Callback never called

Snippet There is not const, isn't it ? Snippet virtual void operator()(osg::Node* node, osg::NodeVisitor* nv); Vincent. Le 23/08/2012 14:30, Jeremy Moles a écrit : Is your method declared as const? I always forget that... On Aug 23, 2012 8:28 AM, Vincent Bourdier vincent.bourd

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