Re: [osg-users] Setting window options

Hi Robert and Jeremy, On Dec 10, 2007 9:12 PM, Jeremy Moles [EMAIL PROTECTED] wrote: I'm writing a little application which renders images to texture and passes them out to a Matlab program. So far it all works fine, but I was wondering if there is any way I can get rid of the window that

Re: [osg-users] fovx and fovy

Hi Paul, The field of view is governed by the cameras projection matrix. The default projection matrix used is controlled via the OSG_SCREEN_DISTANCE, OSG_SCREEN_HEIGHT and OSG_SCREEEN_WIDTH if they are set, otherwise its defaults for these are chosen, or the application itself sets the

Re: [osg-users] OSG_WRITE_OUT_DEFAULT_VALUES

Hi Paul, On Dec 10, 2007 10:34 PM, Paul Martz [EMAIL PROTECTED] wrote: Hi Robert -- Do you know why osgDB::Output checks for the environment variable OSG_WRITE_OUT_DEFAULT_VALUES? The value doesn't appear to be used by any code. Should I simply document this as reserved for future use? Oooo

Re: [osg-users] Creator vs 3D Studo Max

Hi All, I haven't spotted Blender being mentioned, what are peoples impressions of using Blender these days? Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] osgvolumed usage

HI Aditya, You need to use data with a alpha value, or intensity data otherwise you'll just end up with a solid block. Robert. On Dec 11, 2007 3:30 AM, R. Aditya Kadambi [EMAIL PROTECTED] wrote: I am trying to use the osgvolumed from the examples program. I am looking for sample data to use

Re: [osg-users] Looking towards 2.4, and what might go into it.

Robert Osfield wrote: On Dec 11, 2007 6:31 AM, J.P. Delport [EMAIL PROTECTED] wrote: could we get support for multiple render targets (MRT) integrated into 2.4? I know some people are using hacky patches for this. Some patches have been submitted, but they have to be reworked. I can help

Re: [osg-users] Restoring Mouse Pointer

Yes , even i wanted to have quake-type controls ... can u please copy paste some example code so that i can have an idea . On Dec 11, 2007 2:28 AM, Paul Speed [EMAIL PROTECTED] wrote: If this is on Windows then I think the only good way is to grab the mouse directly using DirectInput. This

Re: [osg-users] Looking towards 2.4, and what might go into it.

Hi, John Donovan wrote: Robert Osfield wrote: If we can get a clean set of patches to support MRT then I'm for reviewing/merging them :-) Mea culpa... I implemented JP's hack into my source and it worked for what I needed it for. Then I submitted a half-baked patch which Robert was right

Re: [osg-users] Creator vs 3D Studo Max

I haven't spotted Blender being mentioned, what are peoples impressions of using Blender these days? We used blender for architectural visualizations in our project: http://www.arthis.jyu.fi/bridge/jyu.php.html Producing LOD-information was the greatest hurdle, because there were no way to

Re: [osg-users] Creating shapes using Geometry

Hi, Paul. Not in any way did your code insulted my intelligence. I haven't been to any Computer Graphics course in my whole life, so keep feeding me with the basics! : ) Well. I've got a question here. I've addapted that code you've given me so that it was supposed to create a sphere. You can

Re: [osg-users] Yaw angle

Thanks for putting me in the right direction !!! ...now it works !! best regards Håkan -Ursprungligt meddelande- Från: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] För Robert Osfield Skickat: den 10 december 2007 14:23 Till: OpenSceneGraph Users Ämne: Re: [osg-users] Yaw angle On

Re: [osg-users] Vertex Shader Attributes

I declared the attribute exactly as you wrote. I figured out that it was crashing because I still had a left-over geom-setSecondaryColorArray(new osg::Vec4Array); I didn't populate the array, so the crash occurred. It would be nice if the osg code checked for an empty array before trying to use

Re: [osg-users] Vertex Shader Attributes

Hi Michael, On Dec 11, 2007 2:06 PM, Schmidt, Michael M [EMAIL PROTECTED] wrote: I declared the attribute exactly as you wrote. I figured out that it was crashing because I still had a left-over geom-setSecondaryColorArray(new osg::Vec4Array); I didn't populate the array, so the crash

Re: [osg-users] readFontFile possible bug

Hi Serge, Creating objects with and storing them locally with a C pointer rather than a ref_ptr is usually just fine if the pointer just lives in local scope, but there are gotchas lurking if your do certain operations. Most places where a C pointer is used within the OSG code base is because

Re: [osg-users] Looking towards 2.4, and what might go into it.

On Tue, 2007-12-11 at 09:18 +, Robert Osfield wrote: On Dec 10, 2007 8:27 PM, Jeremy Moles [EMAIL PROTECTED] wrote: One thing that should be kept in mind when using Cal3D is that in it's current state, Cal3D isn't a skeletal system alone--it's a skeletal animation system+mesh format,

Re: [osg-users] readFontFile possible bug

I have discovered the takeObject method, and now I understand better why the object is not deleted, But it doesn't explain my crash... :/ On Dec 11, 2007 2:33 PM, Serge Lages [EMAIL PROTECTED] wrote: Hi all, I am currently having a random crash with osgText, here is the context : I read some

Re: [osg-users] Creator vs 3D Studo Max

When it comes to actual modelling, if you just remember that Blender is not a CAD-program, then you'll be fine. Modelling tools are excellent and development cycle is furious. because you mentioned cad: http://www.caelinux.com/ CAElinux 2007 is now officially released This first stable

[osg-users] Extension checking

Is there a way using OSG to know if a given extension is supported. Using libraries like GLEW isn't going to create linking conflicts or problems to OSG? Thanks, Mic ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] readFontFile possible bug

I have another theory about the crash, let's say that : osg::Object* object = osgDB::readObjectFile(foundFile, userOptions ? userOptions : localOptions.get()); read the object from the cache, and between this moment and the one where the font object is set to a ref_ptr into setFont, the cache is

Re: [osg-users] Looking towards 2.4, and what might go into it.

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Robert Osfield wrote: On Dec 10, 2007 8:27 PM, Jeremy Moles [EMAIL PROTECTED] wrote: One thing that should be kept in mind when using Cal3D is that in it's current state, Cal3D isn't a skeletal system alone--it's a skeletal animation system+mesh

Re: [osg-users] OpenFlight Continuation Record support

Thanks Brede, addition now merged and submitted to SVN. On Dec 10, 2007 10:10 PM, Brede Johansen [EMAIL PROTECTED] wrote: Hi Paul, I have added support for the continuation record to the OpenFlight reader. The implementation now reads the record to memory with one read operation and creates

Re: [osg-users] fovx and fovy

Hi Paul, The field of view is governed by the cameras projection matrix. The default projection matrix used is controlled via the OSG_SCREEN_DISTANCE, OSG_SCREEN_HEIGHT and OSG_SCREEEN_WIDTH if they are set, otherwise its defaults for these are chosen, or the application itself sets

[osg-users] Please test SVN of OpenSceneGraph in pre for 2.3.0 dev release

Hi All, I was planning to make a 2.3.0 dev release of the OSG, but alas clearing my osg-submissions has taken me till late this afternoon. There are number of submission that have been pushed back for clarification/fixing but the majority are now applied so I'm happy to run with 2.3.0. Before I

Re: [osg-users] osgvolumed usage

Hi Robert; Thanks. So, would this usage be valid: $ osgvolumed --images *.png --alpha alpha value Thanks, On Dec 11, 2007 2:04 AM, Robert Osfield [EMAIL PROTECTED] wrote: HI Aditya, You need to use data with a alpha value, or intensity data otherwise you'll just end up with a solid block.

Re: [osg-users] Creator vs 3D Studo Max

I thought Blender was much harder to learn and use. Even after a fair amount of practice I still couldn't be anywhere near as efficient as I was with Max or Creator. But you can't beat the price. Also, I tried working on osgexport, the Python Blender exporter to OSG, so that it would correctly

Re: [osg-users] Looking towards 2.4, and what might go into it.

2007/12/10, Jeremy Moles [EMAIL PROTECTED]: I noticed there was a lot of Cal3D discussion going on here so I'd figure I'd chime in and say a few things. I have write access to Cal3D SVN I obtained a year or so ago when Palle Raabjerg and myself rewrote the Cal3D Blender exporter, which we

[osg-users] Encrypting / decrypting models, shader code, and other data.

Hi, Recently, the company that I work for has decided to distribute a demo of our application. To protect our own investments, I made the brilliant comment that we should encrypt our models and shader source. We primarily use IVE files, and looking at the IVE plugin, it makes strong use of

Re: [osg-users] readFontFile possible bug

Hi Robert, Look back my last message where I emmit a possible scenario. It seems that this scenario is happening because when it crashs, the main thread is into the removeExpiredSubgraphs method. And I am having the same problem with the readNodeFile call into databasepager.cpp (line 604), it

Re: [osg-users] Restoring Mouse Pointer

maruti borker wrote: Yes , even i wanted to have quake-type controls ... can u please copy paste some example code so that i can have an idea. Ok, our code is part of a Java peer since we actually grab the mouse values from Java. So I'll cut and paste the relevant stuff but don't be

[osg-users] Obtaining the contextID

Hi Robert -- I'm working with an older app that deals directly with SceneView. It effectively creates its own window and manages its own graphics contexts. I've found this app doesn't work with osgOQ. osgOQ uses a Camera post draw callback to retrieve the query results, and therefore needs the

[osg-users] Solaris compilation issues in SVN

I'm looking for the same kinds of things we've been struggling with in the past--standard template library functions that aren't in the solaris compiler's headers. We've fixed them in the past by adding includes to stdlib.h or similar. I am looking at a couple in DatabasePager.cpp. I could try

Re: [osg-users] Looking towards 2.4, and what might go into it.

2007/12/11, Jeremy Moles [EMAIL PROTECTED]: How big is Cal3D? I ask in terms how much effort would it be required to reimplement the unique parts not found in the core OSG? It's hard to say--there's a lot of code in Cal3D supporting the mesh format, XML loading, matrices, vectors,

Re: [osg-users] Looking towards 2.4, and what might go into it.

2007/12/9, Jan Ciger [EMAIL PROTECTED]: I am not sure what are you referring to when speaking about keyframe animation, though. Do you mean 3D morphing of meshes? I would keep that separate, it is a completely different beast with different problems than skeletal animation. Animation of an

Re: [osg-users] fovx and fovy

On Dec 11, 2007 4:47 PM, Paul Martz [EMAIL PROTECTED] wrote: Hi Paul, The field of view is governed by the cameras projection matrix. The default projection matrix used is controlled via the OSG_SCREEN_DISTANCE, OSG_SCREEN_HEIGHT and OSG_SCREEEN_WIDTH if they are set, otherwise its

Re: [osg-users] readFontFile possible bug

Hi Serge, How reliably can you recreate the crash? Does it happen with osgviewer or other OSG examples? Could you explain whats happening in your app before the crash. If we can work out the conditions that the crash happens we'll have a much better chance of isolation. It could be as your

Re: [osg-users] Solaris compilation issues in SVN

A friend pointed out that find and sort really are stl functions, and not the same thing as the stdlib functions I was looking into before. andy -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Andy Skinner Sent: Tuesday, December 11, 2007 2:35 PM To:

Re: [osg-users] osgvolumed usage

On Dec 11, 2007 4:40 PM, R. Aditya Kadambi [EMAIL PROTECTED] wrote: Hi Robert; Thanks. So, would this usage be valid: $ osgvolumed --images *.png --alpha alpha value The png files need to have an alpha value on them. Robert. ___ osg-users mailing

Re: [osg-users] Extension checking

Hi Michele, The OSG manages extensions on a per StateAttribute level, with each subclassing needing extensions maintaining its own Extension structure pre graphics context. Note each graphics context can have different extensions support, although this is not the usual setup, it worth being

Re: [osg-users] OpenFlight Continuation Record support

Hi Robert, addition now merged and submitted to SVN. What better way to get it tested ;-) Brede On Dec 11, 2007 5:17 PM, Robert Osfield [EMAIL PROTECTED] wrote: Thanks Brede, addition now merged and submitted to SVN. On Dec 10, 2007 10:10 PM, Brede Johansen [EMAIL PROTECTED] wrote: Hi

Re: [osg-users] osgvolumed usage

I am trying to use it like this now. But I can't find a way to set alpha value from the help menu. $ ./osgvolumed --images file.1png file2.png I don't see a volume stack. Any suggestions? Thanks. On Dec 11, 2007 9:40 AM, R. Aditya Kadambi [EMAIL PROTECTED] wrote: Hi Robert; Thanks. So,

Re: [osg-users] Creator vs 3D Studo Max

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Terry Welsh wrote: I thought Blender was much harder to learn and use. Even after a fair amount of practice I still couldn't be anywhere near as efficient as I was with Max or Creator. But you can't beat the price. I think that is a matter of

Re: [osg-users] Looking towards 2.4, and what might go into it.

Jan Ciger wrote: However, it doesn't solve any of the animation and skinning issues and is completely useless by itself. I cannot imagine somebody bringing it up to speed with other kits from this alone, for that you need something actually usable to start from. This is why e.g. osgCharacter

[osg-users] Creator vs 3D Studo Max- Blender

Hello Noticed in this discussion talk about Blender and .OSG So just thought I'd mention these Blender Papers I did for the Delta 3D Team to be found here http://www.delta3d.org/article.php?story=20051207101455773topic=docs located at the bottom of the page they go over the basics of

[osg-users] AnimTK

With all the recent discussion over Cal3D I decided to take a few minutes and look over some of the affiliated stuff at Gna.org and I found a project called AnimTK. The memberlist includes Loic Dachary (who also posts here from time to time and is/was pretty much the lead Cal3D guy) and Cedric

Re: [osg-users] Looking towards 2.4, and what might go into it.

Jan Ciger wrote: Actually, I think that the focus should be on providing a meaningful API to export to these languages. That could even mean a wrapper in order to eliminate/minimize usage of pointers and some C++ functionality that is difficult to translate (templates?). Once you have that,

[osg-users] Raytracing status

Hello all, after some info about OpenGL 3 the most interesting topic I am eager to hear about is the ray-tracing support in OSG! Are there any news? If there is something I am gonna ask to Santa this Chirstmas is a new OSG raytracer for sure... I already dropped the OpenGL 3 specifications

Re: [osg-users] Encrypting / decrypting models, shader code, and other data.

Hi Brian, You can decrypt your IVE file into a std::stringstream and use the following code to read it from memory: //Read IVE file from memory osgDB::ReaderWriter *fileReader = osgDB::Registry::instance()-getReaderWriterForExtension(ive); if(fileReader) { return

[osg-users] CameraNode cull masks

Hello, Do cull masks work with osg::CameraNode? The interface is there ... so I'm thinking should work. I'm having trouble getting the culling to work for a CameraNode that's used with RTT. Is there anything inherently wrong with trying to do this? I'm assuming cull/node masking still applies

Re: [osg-users] readFontFile possible bug

I can still reliably reproduce the multithreaded osgText / databasepager crash issue :) On Dec 11, 2007 1:59 PM, Robert Osfield [EMAIL PROTECTED] wrote: Hi Serge, How reliably can you recreate the crash? Does it happen with osgviewer or other OSG examples? Could you explain whats

[osg-users] image format conversion

Hi all,I think I know the answer but just in case I'm overlooking something I thought I'd ask. What is the most efficient way to convert the osg::Image loaded from osgDB::readImageFile() to another format, specifically RGBA 32-bit floating-point for use in a vertex shader? I can do a brute force

Re: [osg-users] difference between setThreadSafeRefUnref and setThreadSafeReferenceCounting

Quoting Robert Osfield [EMAIL PROTECTED]: The key to understanding is looking a the signature of the methods - one is static method and one is a normal member. The static method, static void setThreadSafeReferenceCounting(bool), sets the default value, the non static, virtual void

Re: [osg-users] Solaris compilation issues in SVN

Hi, Does anyone has a C# wrapped or pure C# OBJ loader to use with OSG 2.0 ? Thanks in advance, Emre Koch ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] Encrypting / decrypting models, shader code, and other data.

Hi Farshid, Thanks for the code and information about GLIntercept. I wasn't aware about the GLIntercept security hole, but it doesn't surprise me that it can happen. No security is going to be fool proof, but we can at least try to make it a little more difficult. Plus, it makes the

Re: [osg-users] Raytracing status

Hello Michele, after some info about OpenGL 3 the most interesting topic I am eager to hear about is the ray-tracing support in OSG! Are there any news? Nothing very exciting unfortunately. I have been using a kd-tree implementation that can be used from OSG by Adrian Egli, but it isn't in

Re: [osg-users] Creating shapes using Geometry

Hi Renan, Quoting Renan Mendes [EMAIL PROTECTED]: Well. I've got a question here. I've addapted that code you've given me so that it was supposed to create a sphere. You can deduce that it didn't (it just draws the original circle). I was wondering if you could point out my ...

[osg-users] Warning in latest SVN

Hello Robert, There is a warning that shows up in the latest SVN in include/osg/DatabasePager when compiling on Win32 (VC++2005 Express): 1G:\OpenSceneGraph-SVN\OpenSceneGraph\include\osgDB/DatabasePager(337) : warning C4800: 'osg::Texture::TextureObject *' : forcing value to bool 'true'

[osg-users] Current SVN build failure, VS2005

The output below is from current SVN building osgDB (osg and osgUtil are fine). VS doesn't provide too many clues when xtree or set generate compile errors. I haven't dug into this very deeply, but on first glance it appears that perhaps CompareStateAttributes::operator() should be declared

Re: [osg-users] sharedstatemanager.cpp win32 release mode compilation error

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Amos Smith wrote: With code downloaded via svn this evening (revision 7671), I'm seeing a compilation error for osgDB SharedStateManager.cpp in Win32 Release mode. Excerpt of error description: C3848: expression having type 'const

[osg-users] sharedstatemanager.cpp win32 release mode compilation error

Thanks Tim, the const-ness added to the CompareStateAttributes and CompareStateSets operator declarations does resolve the compilation issue. Cheers, Amos ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] Looking towards 2.4, and what might go into it.

Just want to share my experience with using Lua for building applications. We have been using Lua fo building applications for quite some years now. THe binding is using tolua++ where we have exported most of osg, openal++, osgal, replicantbody, physics library etc... We took the path of