Re: [osg-users] Max 9 Crashing

On 8/28/07, Farshid Lashkari <[EMAIL PROTECTED]> wrote: > > On 8/24/07, André Rocha Tomasi <[EMAIL PROTECTED]> wrote: > > Anyone using 3D Max 9 has been suffering with crashes when using the > > openscenegraph commands? Like trying to create a sequence helper, > crashes > > Max 3 out of 4 tries. Sa

Re: [osg-users] parse 3d model not storaged in local file

Nick Prudent a écrit : > David, > > Let me get this straight: you want to read models that are already in memory? > What did you use to load them in memory in the first place? If you have a lot > of models in formats supported by OSG, it should not be a problem. > David is maybe trying to im

Re: [osg-users] Fitting Viewer's Camera To New Scene

OK, I've tried redefining the manipulator directly and I tried with the main camera. Both methods fail to actually update the trackball's center & radius. Ex: m_rpMainCamera->setViewMatrixAsLookAt( vnew_eye, vnew_center, vnew_up ); or... m_rpTerrainManipulator->setHomePosition( vnew_eye,

Re: [osg-users] Calling drawImplementation manually on aosgText::Text object

Hi John, osgText::Text doesn't need an update traversal to sync itself after an update, so it should be possible to update the text, draw the text, update the text etc. As to why this doesn't work in your case I do not know, its hardly a part of design spec for osgText. I would however suggest i

Re: [osg-users] Fitting Viewer's Camera To New Scene

HI Nick, Try getting the camera manipulator to recompute its home position when you change the scene via: viewer.getCameraManipulator()->computeHomePosition(); Or just set it manuual via: viewer.getCameraManipulator()->setHomePosition(...); On 8/28/07, Nick Prudent <[EMAIL PROTECTED]>

Re: [osg-users] Max 9 Crashing

On 8/28/07, Serge Lages <[EMAIL PROTECTED]> wrote: > Just an idea I had reading this : shouldn't be possible to host OSGExp on > the osgforge ? Yes it should be possible. We'll need Jose to check for permission to host another project on server as part of the osgforge. In general I'd like to see

Re: [osg-users] Max OS X tutorial videos, broken links (was: RE: Tutorials)

Hi Eric, On 8/28/07, E. Wing <[EMAIL PROTECTED]> wrote: > I found my copies of the videos if you still need them. I experimented > with uploading them to YouTube, but YouTube broadcasts in too low of a > resolution which makes it impossible to read anything, so it's pretty > much useless except fo

Re: [osg-users] Max 9 Crashing

Hi all osgDesigner is temporally suspended due to my end-study internship. But it finishs at the end of august. (in 3 day) The project is out of date and I am starting a new design (osgIntrospection is immoderately used and interface is not really intuitive). So this will take a wh

Re: [osg-users] Fitting Viewer's Camera To New Scene

Hi Nick, Sorry forgot to mention, these calls just set the home position, they don't actually move the camera to the home position. To move the camera to the home position simply do: viewer.home(); Robert. On 8/28/07, Nick Prudent <[EMAIL PROTECTED]> wrote: > > Robert, > > This doesn't work.

Re: [osg-users] Fitting Viewer's Camera To New Scene

Robert, This doesn't work. The view stays the same. Maybe I should destroy the Terrain Manipulator and attach a new one the view...I've ran out of options. - Nick - > Date: Tue, 28 Aug 2007 09:58:41 +0100 > From: [EMAIL PROTECTED] > To: osg-users@lists

Re: [osg-users] parse 3d model not storaged in local file

I find the ReadWriter's virtual function read/write Object/Image/Node from file and also from the memory by istream. I think That's what I want. But It seems to only the osg plugin implement the function completely. Is what I said right? anyone correct me. I'm sorry about my bad English. Thanks

Re: [osg-users] Max 9 Crashing

On 8/28/07, Robert Osfield <[EMAIL PROTECTED]> wrote: > > On 8/28/07, Serge Lages <[EMAIL PROTECTED]> wrote: > > Just an idea I had reading this : shouldn't be possible to host OSGExp > on > > the osgforge ? > > Yes it should be possible. We'll need Jose to check for permission to > host another p

Re: [osg-users] Fitting Viewer's Camera To New Scene

Found this recent thread on changing the camera position: http://article.gmane.org/gmane.comp.graphics.openscenegraph.user/15567/match=change+camera+position The solution mentionned goes like this: --- From: Matteo Campana Subject: Re: Change camera position Ne

Re: [osg-users] Fitting Viewer's Camera To New Scene

Thanks Robert, * Using setHomePosition(...) + home() did the trick. Yes! * Using computeHomePosition() + home() pointed somewhere in space... I'm wondering if I can move from one place to the next on my terrain data using this technique...Trying it right now... Regards, - Nick -

[osg-users] Export .ac file error.

Hi, I use osgDB::writeNodeFile( static_cast< const osg::Node& >( *this ), filename ); to export an .ac format file, and I'm sure the osgdb_acd.dll was loaded. It did export an .ac file ,but when I open it in AC3D, its model was messed. I tried to export the same group to .osg, .ive and .ac

Re: [osg-users] QUAD_BUFFER stereo framerate is 6 times slower (2.1.8)

Hi René, One would expect performance to drop when you enable stereo. The performance drop for QUAD_BUFFER I would normally expect to be similar to ANAGLYPHIC or the other stereo modes - a factor of two would normally be what you'd expect. A drop of 6 times is exceptional, alas I don't have a qu

[osg-users] Callbacks....

Hello, everyone. As usual, I'm going to ask some very basic questions. I've been reading a source code set as an example, which was made to teach callbacks, but I couldn't find out exactly what each method does. I'm ataching the code so you can answer my most serious doubts: - What does "operato

[osg-users] QUAD_BUFFER stereo framerate is 6 times slower (2.1.8)

Hello,I noticed that when I turn on quad_buffer stereo, applications become 6 times slower.For example when I run "osgviewer cow.osg --stereo OFF" the framerate is 283. Butwith "osgviewer cow.osg --stereo QUAD_BUFFER" it drops to 42. (while ANAGLYPHIC stereo runs with 175.)I think this has happe

Re: [osg-users] QUAD_BUFFER stereo framerate is 6 times slower (2.1.8)

Hi Robert,Thank you for the response, I will check some older versions of the OSG and do thewalking forward in time. I tried some nvidia-settings, and different machines.The previously posted framerates were with "__GL_FSAA_MODE 4","setenv __GL_FSAA_MODE 0" (anti-alising off)made a huge impact (

Re: [osg-users] Calling drawImplementation manually onaosgText::Text object

Robert, If I have view frustum culling enabled, and I put the text on the screen using native glOrtho() calls, but the text's transform only contains a screen coordinate, would it get wiped out because of that? Should I be using osg's transforms to make the HUD text? I think maybe it is being cull

Re: [osg-users] QUAD_BUFFER stereo framerate is 6 times slower (2.1.8)

Hi Rene, The effect of enabling FSAA suggests that the performance difference is largely down to the fill limit of the graphics driver/card and unlikely to be related to the OSG. Robert. On 8/28/07, megamiller zoid <[EMAIL PROTECTED]> wrote: > > Hi Robert, > > Thank you for the response, I will

[osg-users] add JobRequest section on the wiki

Hi Robert I would like to create a new section on OSG wiki. As well the JobOffers section, it could be interesting to create a JobRequests section allowing young graduates (like me), who like and use OpenSceneGraph, to find a job in their areas of expertise. Thought ? Best R

Re: [osg-users] QUAD_BUFFER stereo framerate is 6 times slower (2.1.8)

Hi there, does osg work with any linux or there are specific versions where it will work. I want to install the one that will work 4 me. Thanx, Felix On 8/28/07, Robert Osfield <[EMAIL PROTECTED]> wrote: > > Hi René, > > One would expect performance to drop when you enable stereo. The > perfor

Re: [osg-users] QUAD_BUFFER stereo framerate is 6 times slower (2.1.8)

On 8/28/07, Felix Bwire <[EMAIL PROTECTED]> wrote: > Hi there, > > does osg work with any linux or there are specific versions where it will > work. I want to install the one that will work 4 me. The OSG compiles should compile on all x86, x86_64 and i64 linux variants straight out of the box. C

Re: [osg-users] Calling drawImplementation manually onaosgText::Text object

Hi John, I'm afraid I don't follow. Please have a look at examples like osghud, or the way that HUDs are done for the stats/help handlers. Robert. On 8/28/07, Argentieri, John-P63223 <[EMAIL PROTECTED]> wrote: > Robert, > > If I have view frustum culling enabled, and I put the text on the scree

Re: [osg-users] add JobRequest section on the wiki

Hi David, On 8/28/07, David Callu <[EMAIL PROTECTED]> wrote: > I would like to create a new section on OSG wiki. > > As well the JobOffers section, it could be interesting > to create a JobRequests section allowing young graduates (like me), > who like and use OpenSceneGraph, to fi

Re: [osg-users] Callbacks....

You should read "Design Patterns" and familiarize yourself with the callback pattern. OSG calls operator()() as part of the callback process. You insert code into that method to do whatever you need to do in your callback. -Paul _ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]

[osg-users] Problem with CulCallBack And Muti Cameras

Hello every one: I meet's a problem when using CullCallback with muti cameras. I use cullcallback to custom the cull traversal . Is it possible to know which camera is currently been travrse in "cull(osg::NodeVisitor* nv, osg::Drawable* drawable, osg::State* s)const" implenment? With this info

Re: [osg-users] Is text thread safe in 2.0.0?

Hi Uwe, Submissions via osg-user run the risk of being missing, the right place to submit is via osg-submissions. In this instance I've reviewed your changes but have held back from merging as I want to establish exactly what parts are breaking before see changes applied. I also note that your F

Re: [osg-users] osgEphemeris

I think I found it on andesengineering.com. I hope it's the correct version. -B -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Brad Colbert Sent: Tuesday, August 28, 2007 8:31 AM To: [EMAIL PROTECTED] Subject: [osg-users] osgEphemeris Hi Folks, I gue

[osg-users] osgEphemeris

Hi Folks, I guess this goes out to Don Burns. How do I get the most recent version of osgEphemeris. CVS is reporting that it can't connect to the address on your site. I also have a few things to contribute. Thanks, -B --- Brad Colbert Renaissance Sciences Corporation W: 480 290-3997 F: 425

Re: [osg-users] Is text thread safe in 2.0.0?

To help in the process of isolating and fixing the osgText threading issues users have seen I have modified the osgtext example to do text creation in a background thread. You can now run it via: osgtext --mt What you will see on screen is a box with text strings randomly appearing/disappearin

Re: [osg-users] Problem with CulCallBack And Muti Cameras

HI Wangmio, I'm not really sure what you are after, could you explain at a higher level what you are trying to achieve with cull callbacks. Robert. On 8/28/07, wangmiao <[EMAIL PROTECTED]> wrote: > Hello every one: > I meet's a problem when using CullCallback with muti cameras. I use > cullcal

Re: [osg-users] Max 9 Crashing

Farshid, thanks a lot! You really saved me a hell lot of time, now I can continue the project. Thanks again, [ ]´s André 2007/8/27, Farshid Lashkari <[EMAIL PROTECTED]>: > > On 8/24/07, André Rocha Tomasi <[EMAIL PROTECTED]> wrote: > > Anyone using 3D Max 9 has been suffering with crashes when

[osg-users] Review: osgDB::DatabasePager

hi robert, i did a review of osgDB::DatabasePager and got some questions, or remarks *** ../src/osgDB/DatabasePager.cpp @ Ln72 #if __APPLE__ // OSX really doesn't like compilin

Re: [osg-users] Review: osgDB::DatabasePager

Hi Adrian, W.r.t ATI's and VetexArrays (VA) vs DisplayLists (DL), rather than OSX, I'm certainly open to this change, but... one awkward aspect is that one doesn't know the graphics hardware available until you have a valid graphics context. Potentially you might even have several cards form dif

[osg-users] osgviewerMFC example crash in 2.1.8

I'm still finding my way around OSG so I wanted to find out if this issue is mine before I continue pulling my hair out. I downloaded and built OSG 2.1.8. I took the code from one of the examples to test, prior to integrating OSG into my app. This is on WinXP SP2 x86 and the dev env is VC++ in

Re: [osg-users] osgviewerMFC example crash in 2.1.8

By the way, to clarify when I wrote cOSG::InitSceneGraph ("MFC_OSG.cpp") I meant it was in the MFC_OSG.cpp file, not that it was a parameter passed. I didn't realize how poorly I wrote that until reading the mail again. Sorry. That isn't the issue I'm trying to resolve. From: [EMAIL PROTECTED]

Re: [osg-users] osgviewerMFC example crash in 2.1.8

When you used the debugger to look at the filename did it have the path to the file or just the filename? If it was just the filename I would say the it is looking in the current directory for your file but not finding it. If it contains the full path to the file then I am not sure what could

[osg-users] IntersectVisitor question

Hi, I'm scratching my head on this one. I have a line segment, that is aligned to the tracked wand. I'm trying to intersect it with the scene, which is composed of a single box. However, the intersections that I get are not making sense. Here is the line segment, made from two points: p1 = ( -.24

[osg-users] Alpha Transparency control

I want to put a stateset on top of a model subgraph to override the alpha values of all its vertices, in order to have global control of the model transparency. What's the appropriate way to set this up using BlendFunc, BlendEquation, etc.? Or is the only way to traverse the subgraph and change al

Re: [osg-users] osgviewerMFC example crash in 2.1.8

I'm a newbie too and have had the same problem applying the MFC example to my own app. The problem was that wasn't giving a complete path. Use szPathName instead of szFilename from the MFC file dialog. Another way is to have the directory containning your data in your PATH environment variabl

Re: [osg-users] Alpha Transparency control

Take a look at glBlendColor in the blue book. In OSG, the BlendColor StateAttribute provides glBlendColor support. -Paul > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf > Of Robert Balfour > Sent: Tuesday, August 28, 2007 9:42 AM > To: osg-users@l

[osg-users] camera/cameraview questions

hi there, do i understand the functionality of the cameraview node correct? i assume, that cameraview is used to position the camera (and animate, of course) within the scene, without having to manipulate view matrices directly. but then how do i retrieve the actual viewing matrix, if the camer

Re: [osg-users] IntersectVisitor question

Wow, so this is odd. I found a way to fix this. I was using a linesegment length of 2.0, as I had a 2 ft stick attached to the wand. But, if I make the linesegment longer, to a length of 200.0, the intersection works like a charm. Is this the intended behavior? Dave Pugmire wrote: > Hi, > I'm sc

[osg-users] Qt include dir problem

Hello, I am trying to compile OSG 2.0 with the Qt example under Linux Ubuntu 7 + Qt 4.2. The compilation goes well until it reaches "osgviewerQT.cpp". The problem seems to be the fact that cmake doesn't detect the correct QT 4 include directory during the configuration. If I assign (from ccmake) to

Re: [osg-users] osgviewerMFC example crash in 2.1.8

Thanks Nick and Michael for the quick response. The problem was mine. I didn't realize opening the native OSG file required a plug-in. I was skipping a build step to make sure I understood what every component did (helps me learn). When I built the required plug-in for loading the basic OSG file i

[osg-users] Flipping the normals

Hello, I've a relatively easy task to accomplish, that is to render a mesh both from inside and outside. To do this i put the mesh under two different Geodes, in one i set the front face to "clock wise" on the other I set the front face to "counter clock wise" turning on the backface culling (or pu

Re: [osg-users] Flipping the normals

Hi Mike, Take a look at OpenGL's two-sided lighting support via glLightModel/GL_LIGHT_MODEL_TWO_SIDE (and exposed in OSG with osg::LightModel). I think that's the more elegant solution your looking for. Mike Wittman [EMAIL PROTECTED] ___

Re: [osg-users] Flipping the normals

Sounds like you want something like: osg::ref_ptr lightModel = new osg::LightModel; lightModel->setTwoSided(true); myTwoSidedGeode->getOrCreateStateSet()->setAttribuiteAndModes(lightModel.get ()*);* ** Might not be the exact syntax but pretty close. On 8/28/07, Michele Bosi <[EMAIL PROTECTED]> w

Re: [osg-users] Flipping the normals

Thanks very much guys, osg::LightModel/GL_LIGHT_MODEL_TWO_SIDE seems exactly what I needed. Thankyou, Mike ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] Flipping the normals

> Thanks very much guys, > osg::LightModel/GL_LIGHT_MODEL_TWO_SIDE seems exactly what I needed. > Thankyou, > Mike In case it's not obvious, with two-sided lighting you do not need to re-parent your mesh to two Geodes with different face culling. You should be able to use a single Geode, face cul

Re: [osg-users] Max OS X tutorial videos, broken links (was: RE: Tutorials)

I tried 'attaching' one file. It causes the page to create a new section at the bottom of the page called "Attachments" and lists each one. Since this information is redundant to the information at the top (and contains no useful description aside from the filename), I wanted to remove the bottom

Re: [osg-users] Flipping the normals

Thanks Paul, just wanted o add that I am very glad that when it comes to render states OSG remains so close to OpenGL and doesn't abstract too much from it, as this case proves, this lets users to reuse their prior knowledge of OpenGL and makes the library really flexible, long life to OSG! :) Mike

Re: [osg-users] Qt include dir problem

Just wanted to add that I cannot compile "osgviewerQT" example not even from Windows XP (MinGW configuration) for the very same reason. Is anyone able to compile osgviewerQT? -Mike ___ osg-users mailing list osg-users@lists.openscenegraph.org http://list

[osg-users] the global data structure in ossimPlanet

Dear sir Can you tell me what is the globale data structure in ossimPlanet? Is it a mix global data structure based on QTM and voronoi.I really want to know that. When I read the code of ossimPlant.I find the triangles betweem -45 to 45 are different from triangles between 45 to 90. Can you

[osg-users] osgvolume.exe

Hi, I have downloaded the latest binary distribution for Windows. There is a sample application call osgvolume.exe Which data file is suitable for use with osgvolume? I tried a number of them but no window is displayed. I have used osgviewer successfully though. Regards

[osg-users] Color transparency/opacity

Hi, I tried to modify and existing sample tet6.osg so that the 4th color component is lesser than 1.0. I was expecting to see some transparency in the tetrahedron but the color looks solid. Regards 8<--8<--8<--8<--8<--8<--8<--8<-- Geode { UniqueID Geode_0