[osg-users] osgexport for blender?

2011-04-16 Thread Martin Scheffler
Hi all,
I can't download osgExport for blender from 
http://projects.blender.org/frs/?group_id=19
Does anyone have a working link, or can you simply post the file to the list?
Thanks a lot!

Cheers,
Martin

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Re: [osg-users] osgexport for blender?

2011-04-16 Thread Martin Scheffler
never mind, I found it here:
http://hg.plopbyte.net/osgexport/file/e28389f02799/blenderExporter
Maybe the project maintainer should add a link from blender.org to there?

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Re: [osg-users] OSG and OpenGL ES 2.0

2011-04-16 Thread Ankur Gandhi
Hi Jorge,

You are right. both are quire different. I ported OSG over OpenGL ES 2.0 and 
everything is behaving in different way. I guess I almost need to rewrite my 
OpenGL application. Also i think i need to go through ShaderGen to understand 
how well the OpenGL application gets converted to GLSL language.


Cheers,
Ankur

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[osg-users] osgexport for blender?

2011-04-16 Thread Sergey Kurdakov
Hi Martin,

I would  offer you to discuss the script here
http://blenderartists.org/forum/forumdisplay.php?11-Python-amp-Plugins
it might be also good idea to port it to 2.57  which is now stable official
release of Blender and include with next release 2.58.

Regards
Sergey

On Sat, Apr 16, 2011 at 10:27 AM, Martin Scheffler osgfo...@tevs.eu wrote:

 never mind, I found it here:
 http://hg.plopbyte.net/osgexport/file/e28389f02799/blenderExporter
 Maybe the project maintainer should add a link from blender.org to there?


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[osg-users] osgexport for blender?

2011-04-16 Thread Sergey Kurdakov
Hi Matin,

I'm sorry, a fix to my previous post

http://hg.plopbyte.net/osgexport-blender-2.5/file/61a19ced0959  is 2.5
version of script, but still
it would seem better to discuss with Blender scripters where to put links
etc.

Regards
Sergey

On Sat, Apr 16, 2011 at 4:17 PM, Sergey Kurdakov sergey.fo...@gmail.comwrote:

 Hi Martin,

 I would  offer you to discuss the script here
 http://blenderartists.org/forum/forumdisplay.php?11-Python-amp-Plugins
 it might be also good idea to port it to 2.57  which is now stable official
 release of Blender and include with next release 2.58.

 Regards
 Sergey



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Re: [osg-users] Build UserInterface

2011-04-16 Thread ahmed salah
like what ?

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[osg-users] Build UserInterface

2011-04-16 Thread Sergey Kurdakov
Hi Ahmed

for legacy examples you may visit

http://www.openscenegraph.org/projects/osg/wiki/Community/WindowingToolkits

here you will find examples which could work with osg 1.2

this includes mfc, wswidgets ( free mfc clone which also works on linux )
etc

Regards
Sergey
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Re: [osg-users] Highlighting Verts with a fixed screen size

2011-04-16 Thread Chris 'Xenon' Hanson
On 4/15/2011 12:07 PM, Kevin Bentley wrote:
 I want to have a mode in my viewer where some verts in the scene are 
 highlighted. I originally implemented this with a fixed size box positioned 
 wherever I had a vert to highlight. 
 What I really want though is for the box to be the same size on the screen 
 (so as you zoom in close to the vert you still see the box), or when you zoom 
 out very far the box is still visible. 
 Any suggestions on how I should go about this?

  AutoTransform can help you keep an object fixed-size onscreen.

  Also, you could use some form of point sprites.

-- 
Chris 'Xenon' Hanson, omo sanza lettere. xe...@alphapixel.com 
http://www.alphapixel.com/
  Digital Imaging. OpenGL. Scene Graphs. GIS. GPS. Training. Consulting. 
Contracting.
There is no Truth. There is only Perception. To Perceive is to Exist. - 
Xen
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Re: [osg-users] Render To Image Crash in RenderStage.cpp - trunk

2011-04-16 Thread Matthias Asselborn
nobody an idea?

i tried another thing, but there is no sceneobject on the image
ive also tried the osgscreencapture example
is there a way to get rid of the callback? 
i need only one screenshot


Code:


void render()
{
osgUtil::SceneView *SceneView = new osgUtil::SceneView;
SceneView-setDefaults();

osg::ref_ptrosg::Node pNode = osgDB::readNodeFile( C:/cessna.osg );
SceneView-setSceneData( pNode );

osg::ref_ptrosg::Camera pCameraNode = new osg::Camera;

const osg::BoundingSphere bs = pNode-getBound();
int r = bs.radius();
pCameraNode-setProjectionMatrixAsOrtho2D( -r, r, -r, r );
pCameraNode-setViewMatrixAsLookAt( osg::Vec3( r*100,-r*100, r*100 ) , 
osg::Vec3(bs.center()[0], bs.center()[1], bs.center()[2] 
),osg::Vec3(0.0f,0.0f,1.0f));

osg::ref_ptrosg::Image pImage = new osg::Image;

const osg::Viewport* Viewport = SceneView-getViewport();

int Width = 1024;
int Height = 768;

pImage-allocateImage(Width, Height, 1, GL_RGB, GL_UNSIGNED_BYTE);

pCameraNode-setClearColor(SceneView-getClearColor());
pCameraNode-setViewport(0, 0, Width, Height);
//pCameraNode-setRenderOrder(osg::Camera::POST_RENDER);
pCameraNode-setRenderOrder(osg::Camera::PRE_RENDER);

pCameraNode-setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT, 
osg::Camera::FRAME_BUFFER);
//pCameraNode-setRenderTargetImplementation( 
osg::CameraNode::PIXEL_BUFFER );

pCameraNode-setComputeNearFarMode(osg::Camera::DO_NOT_COMPUTE_NEAR_FAR);
pCameraNode-setReferenceFrame(osg::Camera::ABSOLUTE_RF);
pCameraNode-setProjectionMatrix(SceneView-getProjectionMatrix());
pCameraNode-setViewMatrix(SceneView-getViewMatrix());
pCameraNode-attach( osg::Camera::COLOR_BUFFER, pImage.get());

pCameraNode-addChild(pNode);
SceneView-setSceneData(pCameraNode.get());

SceneView-update();
SceneView-cull();
SceneView-draw();

osgDB::writeImageFile(*pImage, c:/tools/test.png);
}




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[osg-users] VSync Linux NVidia

2011-04-16 Thread Lv Qing
Hi,

...

I'm currently having a problem with NVidia hardware on Linux, it's not directly 
OSG related, but I hope someone here can help me. 

Here is my setup : 

linux 
NVidia GTX 260 graphic cards 


I have already enable Sync to VBlank in the Nvidia-settings.Every  time  I 
first start the computer and run the osg applicaiton,the VSync seemes not 
effect,the fps is about 100.

Then I re-enter in the Nvidia-settings,just click the exit button and do 
nothing else.Then I restart the osg applicaiton ,the VSync works well ,the fps 
is about 60.It is OK since then until I restart the computer  next time.


Strange,is it?





Thank you!

Cheers,
Lv

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