[osg-users] double vs. float precision in camera position + osg::MatrixTransform question

2008-03-02 Thread Roni Rosenzweig
Hello I made a small demo using osg 2.2, of an object moving on a terrain with a camera looking at it from above, and lowering towards it. When the location of the object+camera is near the (0,0,0) the demo works smoothly. However when their location is far (for example at location (3, 5000, 1

[osg-users] warning C6246 UpdateVisitor

2008-03-02 Thread IceSharK
Hi~ warning *C6246*: Local declaration of hides declaration of same name in outer scope. Additional Information: See previous declaration at . This warning indicates that two declarations have the same name at local scope. The name at outer scope is hidden by the declaration at the inner scope.

[osg-users] how to update the Camera

2008-03-02 Thread Wu Xiaodong
Hi, I am freshman in OpenSceneGrapph. Now I have some issue on updating the Camera when the Geode under it was updated. the details of the issue is as following. 1st step. I build a viewer and its scene graph with only one osg::Geometry which contains nothing. and set a TrackballManipulator to

Re: [osg-users] Volume rendering software

2008-03-02 Thread hesicong2006
Thanks very much, I'm now developing a volume render project too. Hope your demo help me! Tony Glover wrote: > Hi all, >I've just been revisiting the list a little lately, as I'm afraid to > say that I know longer use OSG, but have used it successfully in the > past and would recommend it. >

[osg-users] slave cameras and transparent bin

2008-03-02 Thread Jason Coposky
quick question: i have two adjacent slave cameras with a 45 degree heading view offset from single point of projection. if i have overlapping geometry with partially transparent textures they will render correctly in one camera but incorrectly in the other in that the b

[osg-users] Volume rendering software

2008-03-02 Thread Tony Glover
Hi all, I've just been revisiting the list a little lately, as I'm afraid to say that I know longer use OSG, but have used it successfully in the past and would recommend it. I've been seeing some interest in volume rendering/medical image visualisation and thought that I would let users downlo

[osg-users] animation synchronisation

2008-03-02 Thread dkfm4
Hello! How can/should I synchronize the application flow-control to the end of an animation (realized as osg::AnimationPath) ? Assume: we have a projectile that should be animated. 1. we calculate the trajectory and setup the animation-path with some trajectory data. 2. then the animation-path w

[osg-users] Code porting

2008-03-02 Thread Jon
Hello, I'm currently working on a scene and I try to reproduce the sun light. I looked at osgmanylight tutorial from osg web site. But I'm facing a problem with this code: //do not allow the osgProducer's internal RenderStage clear the frame buffer //if the RenderStage did clear the frame buffer,

Re: [osg-users] camera node in osg file

2008-03-02 Thread Robert Osfield
Hi Erik, On Sun, Mar 2, 2008 at 5:05 PM, Erik Sundnes Løvlie <[EMAIL PROTECTED]> wrote: > Yes, I need to control the camera view and animation path, and I would like > to be able to set up the complete scene (or "level" if you will, in game > terms) in blender and export it (meshes, cameras, light

Re: [osg-users] camera node in osg file

2008-03-02 Thread Erik Sundnes Løvlie
Yes, I need to control the camera view and animation path, and I would like to be able to set up the complete scene (or "level" if you will, in game terms) in blender and export it (meshes, cameras, lights, etc) to a single file (.osg would be simplest I guess). In the code I imagine I can then sim

[osg-users] OpenProducer's Compile Error

2008-03-02 Thread ümit uzun
Hi All; I try to compile Producer-1.1-1 by typing "make" command. But it give an error like "make[2]: arch: Command not found". I can't understand what it means. I added a "terminal_screen" text file to see all of compiling information and of course given errors. Thanks so much. ÜMİT UZUN _

Re: [osg-users] Distributed rendering of scene graph

2008-03-02 Thread Benjamin Eikel
Hello Robert, thank you again for your helpful advice. I will meet with our team tomorrow and talk with them and decide what approach we will implement in the end. Regards, Benjamin On Sunday 02 March 2008 at 14:58:41, Robert Osfield wrote: > On Sun, Mar 2, 2008 at 11:41 AM, Benjamin Eikel <[EM

Re: [osg-users] camera node in osg file

2008-03-02 Thread Robert Osfield
Hi Erik, What do you mean by a camera in the scene graph in this context? Are you looking to control the camera view and animation path? Or do you require to control the capturing of images via an active camera such as a RTT effect? Robert. On Sun, Mar 2, 2008 at 1:47 PM, Erik Sundnes Løvlie <

Re: [osg-users] Distributed rendering of scene graph

2008-03-02 Thread Robert Osfield
On Sun, Mar 2, 2008 at 11:41 AM, Benjamin Eikel <[EMAIL PROTECTED]> wrote: > > Thanks for the more structured explanation. I'm not sure that the > > overall approach will be the most efficient way to tackle the task for > > a wide range of usages, so I'd recommend exploring the possibilities >

[osg-users] [osg_users] Contractor search Client

2008-03-02 Thread David Callu
Hi all I have created my company named CGDS (Computer Graphics Development Service) in September 2007. Since this date, I work for Robert Osfield on OpenSceneGraph and VirtualPlaneteBuilder. Like a mentor, Robert help me to launch my professional activity and advise me in several task tha

[osg-users] camera node in osg file

2008-03-02 Thread Erik Sundnes Løvlie
Hello everyone, I have a few questions regarding the osg file format (and the blender export plugin), and I couldn't find the answer when searching the mailing list archive (for this mailing list or the blender mailing lists + forums) and google. Short intro / background: I am trying to write a s

Re: [osg-users] Using osgdem, Why the memory doesn't free when I far from the complex osga scene to its single layer?

2008-03-02 Thread Robert Osfield
2008/3/2 FreeSouth <[EMAIL PROTECTED]>: > Hello: > >I have use the cmd like this:osgdem --xx 10 --yy 10 -v 0.1 -d h.tif > --PagedLOD -l 10 -o a.ive -a a.osga > >, then, I use osgviewer to open this file(a.osga). > >The memery is Occupied 1378360KB when the viewer point face the scene (a

Re: [osg-users] Distributed rendering of scene graph

2008-03-02 Thread Benjamin Eikel
Hello Robert, On Sunday 02 March 2008 at 11:42:24, Robert Osfield wrote: > HI Benjamin, > > Thanks for the more structured explanation. I'm not sure that the > overall approach will be the most efficient way to tackle the task for > a wide range of usages, so I'd recommend exploring the possibili

Re: [osg-users] Using osgdem, Why the memory doesn't free when I far from the complex osga scene to its single layer?

2008-03-02 Thread FreeSouth
Hello: I have use the cmd like this:osgdem --xx 10 --yy 10 -v 0.1 -d h.tif --PagedLOD -l 10 -o a.ive -a a.osga , then, I use osgviewer to open this file(a.osga). The memery is Occupied 1378360KB when the viewer point face the scene (a high detail), I think that when I control t

Re: [osg-users] Using osgdem, Why the memory doesn't free when I far from the complex osga scene to its single layer?

2008-03-02 Thread Robert Osfield
Hi ShiXing, 2008/3/2 FreeSouth <[EMAIL PROTECTED]>: > > Hi all: > > Using osgdem, Why the memory doesn't free when I far from the complex > osga scene to its single layer? > > I use this cmd to test: > osgdem --xx 10 --yy 10 -v 0.1 -d h.tif > --PagedLOD -l 4 -o a.ive -a a.osga What mem

Re: [osg-users] Distributed rendering of scene graph

2008-03-02 Thread Robert Osfield
HI Benjamin, Thanks for the more structured explanation. I'm not sure that the overall approach will be the most efficient way to tackle the task for a wide range of usages, so I'd recommend exploring the possibilities of different ways to implement that various usages rather than just sticking t

Re: [osg-users] OSG file format and textures...

2008-03-02 Thread Robert Osfield
Hi Neil, Is this simply a file path issue? FYI, .osg doesn't embed imagery in any way, it only has external refrences. The .ive format can embed images though. Robert. On Sat, Mar 1, 2008 at 7:45 PM, <[EMAIL PROTECTED]> wrote: > Hi All, > > Sorry if this is an old chestnut, but I got a quest

Re: [osg-users] SMP and osgprerendercubemap on Linux

2008-03-02 Thread Robert Osfield
On Sat, Mar 1, 2008 at 5:56 PM, Pete Carss <[EMAIL PROTECTED]> wrote: > Cheers Robert, > > Sweet! I ran osgprerendercubemap --pbuffer - just as a preliminary test > - and we're back up to > 60 fps - cheers > > Still doesn't explain why I only saw it with an SMP kernel - is it a > threading

[osg-users] Using osgdem, Why the memory doesn't free when I far from the complex osga scene to its single layer?

2008-03-02 Thread FreeSouth
Hi all: Using osgdem, Why the memory doesn't free when I far from the complex osga scene to its single layer? I use this cmd to test: > osgdem --xx 10 --yy 10 -v 0.1 -d h.tif --PagedLOD -l 4 -o a.ive -a a.osga Regards Yang ShiXing