Re: [osg-users] FBO and Antialiasing

What is the status of FBO Anti-Aliasing? It doesn't look like it is in 2.3.4. Any idea what I need to do to get FBO Anti-Aliasing. I'm currently using OSG 1.2. Paul - Original Message From: Robert Osfield [EMAIL PROTECTED] To: OpenSceneGraph Users osg-users@lists.openscenegraph.org

[osg-users] FBO and AntiAliasing

From: Robert Osfield robert.osfield at gmail.com Date: Fri Jan 25 01:47:48 PST 2008 Hi Stephane, The OSG's FBO implementation doesn't yet support anti-aliasing, but it shouldn't be difficult extension to add support for.  I do have this on my TODO list, just unfortunately quite within grasp as

[osg-users] OSG 2.5 and cmake

Sorry if this has come up before... I'm attempting to compile OSG 2.5 and when I do the ./configure, I get: CMake Error: Error in cmake code at /OSG_PATH/OSG_OP_OT-2.5/OpenSceneGraph-2.5.0/CMakeLists.txt:214: INCLUDE Could not find include file: FindPkgConfig Current CMake stack:

[osg-users] OSG 2.4 and Curl

When I compile OSG 2.4, I'm getting compiler errors when it gets to the CURL plugin.. I have CURL 7.10.6 installed. I'm getting CURLINFO_HTTP_CONNECTCODE and CURLINFO_RESPONSE_CODE being undefined.  I see these defined in 7.12.1 of CURL but not in 7.10.6 (where I do my compiles). What is the

Re: [osg-users] OSG 2.4 and Curl

RedHawk 2.3.2 has version 7.10.6 of curl (see attached)  RedHawk 4.2.1 has version 7.12.1 of curl.. At first, I thought maybe you could just swap constant names but I'm not sure its that simple.. With all these curl versions out there, it would be nice if the curl plugin wasn't compliled if it

Re: [osg-users] DataVariance

Using CullDrawThreadPerContext and it works.. If the problem is with stateset and Drawable not being set to DYNAMIC, why wouldn't my SetDataVariance NodeVisitor (see below) convert everything to DYNAMIC. I call this during my initialization of the scene graph. Paul P. - Original Message

[osg-users] osgShadow compile problem with OSG 2.7.8

Can anybody tell me why I have this osgShadow compile problem using OSG 2.7.8 when compiled using GCC 3.2.3? I think I had the same problem when I attempted to compile 2.7.7 as well.. Paul P. [ 35%] Building CXX object src/osgShadow/CMakeFiles/osgShadow.dir/LightSpacePerspectiveShadowMap.o In

[osg-users] osgstereomatch example shader warnings

Is it me or can somebody explain why when I setenv OSG_NOTIFY_LEVEL debug and then run osgstereomatch example and I'm seeing the following all these warnings in the output (see below). It seems like things are running okay (maybe because these are only warnings :-). I'm running with OSG 2.6

[osg-users] Multiple Render Target Question

I'm attempt to develop a Multiple Render Target (MRT) program and have a few questions.. First, I see this in the osgstereomatch example: Two textures are needed, because shaders cannot read and write to the same texture during calculation. One texture is used as input and the other as output.

Re: [osg-users] osgShadow compile problem with OSG 2.7.8

I don't know if this is the long term solution but I replaced the protected: on line 48 of ProjectionShadowMap and line 230 of ViewDependentShadowTechnique and the compiler errors seem to have gone away. Paul - Original Message From: Wojciech Lewandowski lewandow...@ai.com.pl To:

Re: [osg-users] Multiple Render Target Question

Thanks for your help... One more question, I've been given approval to implement temporal averaging using the OpenGL accumulator buffer like what is done for osgmotionblur. However, that example adds an operation to each window of the viewer to do this. In my case, I have a two pass rendering

[osg-users] VMAP Data

Is there a way to read in VMAP (Vector Smart Map) data into OSG?  I'm interested in reading in Level 0 for now. Do I need GDAL, and/or VPB? Thanks, Paul P. ___ osg-users mailing list osg-users@lists.openscenegraph.org

[osg-users] Anistropy Question

How do I set the Anistropy for all textures which are read in (using an OpenFlight file) to a particular value?? I prefer to do this without using a NodeVisitor and I do not want to effect textures I manual create and attach to the Scene Graph. In addition, for a TerraPage file, I assume I can

[osg-users] NPOT Textures

If my hardware supports NPOT textures, how do I turn off resizeNonPowerOfTwo when loading an OpenFlight file? I don't see an easy way to do this.. Paul P. ___ osg-users mailing list osg-users@lists.openscenegraph.org

[osg-users] Centroid Varying Shader Variable

I'm attempting to define a centroid varying variable: http://www.opengl.org/pipeline/article/vol003_6/ Why do I need the #version 120 line? I send my shader programs through the C-Preprocessor (cpp) before giving them to OSG and CPP doesn't like this line (clearly it thinks its a command it

Re: [osg-users] Centroid Varying Shader Variable

Never mind I guess I found my answers here: http://www.opengl.org/registry/doc/GLSLangSpec.Full.1.20.8.pdf Paul P. - Original Message From: [EMAIL PROTECTED] [EMAIL PROTECTED] To: osg-users@lists.openscenegraph.org Sent: Monday, July 7, 2008 3:19:12 PM Subject: [osg-users] Centroid

Re: [osg-users] Centroid Varying Shader Variable

From Page 8 of the document:= The directive “ Version 1.10 of the language does not require shaders to include this directive, and shaders that#version directive will be treated as targeting version 1.10. The behavior of shaders do not include a targeting version 1.10 will not be effected

[osg-users] Render to Texture

I'm attempting to render to a texture and then dump the rendered texture to a file (every frame), but I'm having trouble. I've attempted to use the osgprerender example (using the --image option), and replaced the MyCameraPostDrawCallback::operator() to have a     osgDB::writeImageFile(*_image,

Re: [osg-users] Render to Texture

On a similar subject, I'm looking at osgprerendering --image cow.osg example in OSG 2.5.3. My application only requires capturing the rendered (1st pass) (texture/image) and using it on the CPU rather than rendering it again. Therefore, I'm attempting to modify the osgprerender example to not

[osg-users] RTT RenderBuffers

When rendering to a texture, what determines the RenderBuffer (internal) format?  I would have thought it should use the texture's internal format to define the RenderBuffer format, but I don't see this in the code. However, I do see this in

[osg-users] osgmultiplerendertargets

I'm getting a segmentation fault when running the osgmultiplerendertargets example using OSG 2.6 under Linux.The call stack says its in RenderStage::runCameraSetUp. My OSG isn't currently compiled debug. Am I doing something wrong? Do I need command line arguments? Paul P

[osg-users] DataVariance

In OSG 2.6, is the DataVariance value only used by the Optimizer or is it also used during the frame processing?  I've had some problems in the past with the StaticObjectDetectionVisitor and the Optimizer (assume sharing part of the Optimizer) doing some things to my scene graph which cause it

Re: [osg-users] DataVariance

Thanks for the quick response...     Then, any idea why my application is hanging when I attempt to render my first frame?? Below is the call stack of the two OSG threads.   The problem seems to exist when I include two different parts of my scene graph.  My scene graph consists of two Camera's

[osg-users] useCursor

I'm attempting to turn off the cursor using     osgViewer::Viewer::Windows windows;    _viewer-getWindows(windows);    for (osgViewer::Viewer::Windows::iterator itr = windows.begin();     itr != windows.end();   

Re: [osg-users] useCursor

Is this a race condition??? Sometimes I get this X11ErrorHandling problem and other times I don't.  Just before turning off the cursor, I have a _viewer-realize(); I assume this is where the graphics context is created.  If I put a sleep between the realize and the useCursor loop, it seems to

Re: [osg-users] Using OSG with Borland C++ Builder 2007

I've always been a big fan of Borland compiler (until recently when the price went though the roof :-). Borland probably doesn't like the protected definition of _databasePagerThreadPaused along with the nesting structure of ReadQueue class... The error message is a little criptic. Try

Re: [osg-users] Statistics display without needing a GUIEventHandler

 I previously asked this question about turning on the stats without a key process. With osgProducer, I used to do: viewerEventHandler-setFrameStatsMode(mode).  Any chance something could be done with to osgViewer to make turning on the Statistics easier.  Seems like others in the OSG

[osg-users] Shader Uniform Performance Question(s)

Maybe somebody on this list can save me from reinventing the wheel... I'm looking to get a better understanding of performance issues related to uniforms. How much overhead is there in having a uniform?  If there only a performance hit if the uniform changes values or every frame. What if I

Re: [osg-users] DataVariance

When I change to SingleThreaded, I do not see the problem. The standard OSG examples work fine. Other cases of my problem also work fine. Clearly, it's something in this app that is causing problems.  In the problem case, I'm rendering to two different image buffers and then reading the images

Re: [osg-users] DataVariance

I attempted to set all my nodes and state sets to DYNAMIC data variance by doing the following and it still is locking up on me (i.e. with the same call stack as below):    SetDataVariance dataVariance;    root-accept(dataVariance); Where: class SetDataVariance : public osg::NodeVisitor {

Re: [osg-users] Temporal Averaging

Thanks JP for the response but I'm not sure I understand.. I want frames 0 to 14 (and 16-30, 32-46, etc) to be done as fast as possible and not wait on VSYNC. I only want the rendering of the 15th frame (and 31, 47, etc) to wait on VSYNC. If by frame, you mean a call to osgViewer::frame, then

[osg-users] Frame Count/Threading Models

I was using glXWaitVideoSyncSGI() in a Pre Draw Callback (the place I need it to be) to get the current Frame Count from the video card. I've recently found out that this Frame Count number from this function can be incorrect when I'm reading textures from the GPU to the CPU or writing textures

[osg-users] Setting CullVisitor

How do I set my own custom CullVisitor? I'm doing the following:    osg::Camera  *camera = viewer.getCamera();    osgViewer::Renderer *render =     dynamic_castosgViewer::Renderer *(camera-getRenderer());    if (!render)    {   return false;    }    

Re: [osg-users] Setting CullVisitor

Thanks for the quick response... Did this:    render-getSceneView(0)-setCullVisitor(cv);    render-getSceneView(1)-setCullVisitor(cv); and now I'm getting: Warning:createOrReuseRenderLeaf() skipping multiply refrenced entry. Warning:createOrReuseRenderLeaf() skipping multiply refrenced entry.

Re: [osg-users] Frame Count/Threading Models

Any idea why glXWaitVideoSyncSGI() doesn't seem to work (see 1st paragraph below) or whyc glXQueryFrameCountNV() seems to take a long time to execute (i.e. upwards of 12ms just to do this call). Are others having trouble with either of these. I updated my NVIDIA driver to 190.42 and that didn't

[osg-users] OverlayNode question

Can somebody give me a explanation of how an OverlayNode is used? I need to render some geometry stuff (i.e. geopolitical, grid lines) on top of terrain elevation geometry and currently, I'm rendering to a texture and laying this texture on my terrain polygons. Should I be using an Overlay

[osg-users] Multiple Shaders Performance Question

I have multiple shaders. I attach one shader to the root of the scene graph. I then load in objects and attach one of another set of shaders to the root of the object and attach it to the main scene graph. When I say attach a shader, I'm loading a fragment and vertex shader from a file and

Re: [osg-users] Multiple Shaders Performance Question

Thanks Robert, I am using OSG 2.6 on Linux with NVIDIA Quadro FX 4600 with driver version 173.14.09... How do I make sure my scene graph is precompiled? I thought OSG took care of this on its first frame using the GLObjectsVisitor in SceneView::init() but in your catch.cpp example, I see you

[osg-users] Frame Averaging

I asked a similar question to this several months ago... I'm looking to average several frames together, however, this time I want to average discrete frames. That is, I want to average, for example, the first X frames and then display the results and then average the next X frames and

[osg-users] OSG and QT example

Is there a more complex example of using QT (4.5) with OSG (2.8) than the osgviewerQT example?  I want to use the AdapterWidget and interface an OSG viewer to a QT form which has been designed with buttons/controls using QT Designer. Thanks in advance, Paul P.

[osg-users] Remote execution and OSG

I need to be able to run my OSG program remotely (from a different machine that where the display location). I'm using ssh to login to the remote location and have my setenv DISPLAY set back to my original computer (I've set xhost + on the server machine). When I do this, on SOME OSG

Re: [osg-users] Remote execution and OSG

Yes, I am using Redhat Linux with OSG 2.9.3.  Using ssh -Y didn't help... Also, as I pointed out in my last e-mail, I get this X11 connection refused, however, the application still runs but FULL SCREEN instead of in a window...  Paul P. - Original Message From: Thrall, Bryan

Re: [osg-users] Remote execution and OSG

Already tried xhost +.. No help.. What is so special about osgkeyboardmouse, osgcompositeviewer, osgsidebyside, osgtexture3D, osgslice,  and osgwindows that would cause them not to work but other do?  osgviewer --window seems to work fine..  Does this have something to do with the

Re: [osg-users] Remote execution and OSG

Thanks Robert.. That helped... But I'm having way too much fun interfacing OSG to Qt to stop there:-).  I seem to be able to get it to work now but I'm having trouble running on a LINUX machine but shooting my display to a PC running Hummingbird Exceed 3D (my actual requirement). I'm logged

Re: [osg-users] Remote execution and OSG

Let me ask a slightly different question... Why do I only get half a cow (see attachment on my original post) even when I run on just a local machine.  Seems I get more cow showing when I decrease the resolution of my video display... Paul P.  - Original Message From:

[osg-users] ref_ptr question

What is the easiest way to determine if a particular node is being deleted from memory? I have a relatively complex scene and part of the scene needs to be deleted and reconstructed at times. I'm concerned there might be a memory leak and that some of my nodes are not being freed because we

[osg-users] __GL_SYNC_TO_VBLANK

I know this is a strange question but is there a way to programmatically (and dynamically) to do what the __GL_SYNC_TO_VBLANK environment variable does? I want to sync every n-th frame to VBLANK and let all the other frames free-run. Put another way, only the n-th frame will be visualized and

[osg-users] DrawCallback and Textures

Can I modify a Texture image in a DrawCallback or do I need to do this in an UpdateCallback? I need to modify a texture image every frame as well as the polygon's coordinates. I'll be disabling Display Lists on the polygon and I have a Vertex and Fragment shader attached to the polygon. Paul

[osg-users] Temporal Averaging

I know I've asked similar questions before but now I'm looking to use OSG to perform temporal averaging differently than I've asked before. Is there a way to perform an update, cull and draw on only a sub part of the scene graph? I want to average (say) 16 successive frames. For example,frames

[osg-users] Graphics Context Question

I need to call glXWaitVideoSyncSGI() between the update and cull traversals. As I understand it, this needs to be called with a valid graphics context so I do viewer.getCamera()-getGraphicsContext()-makeCurrent() and then call glXWaitVideoSyncSGI() and then call the

[osg-users] txp loader fix

Let me post this to a more appropriate mailing list in hopes of getting a response. See below for e-mail. Paul P. - Forwarded Message From: Paul Palumbo paul1...@yahoo.com To: osg-submissi...@lists.openscenegraph.org Sent: Fri, April 8, 2011 8:58:36 AM Subject: Re: [osg-submissions]