[osg-users] osgEarth often crashes in multi-display extension mode

2018-11-26 Thread Judy
Hi all,


I have successfully compiled the osg and osgEarth. During the debugging 
process, I found that when using a single display,viewer(osgviewer and 
osgearth_viewer) could successfully running the cow.osg and glsl.earth.


Now I want to use multi-display(two displays), the question is when using 
multi-display copy mode, the cow.osg and glsl.earth could be run 
successfully.But when using the multi-display extension mode, the cow.osg is 
runing OK, the glsl.earth crashes often occur(e.g. xxx has stopped working). 


Why does the osgEarth crash in multi-display extension mode?  I'm surprised by 
such a problem. Is it a hardware problem or a software problem? Could you give 
me some suggestion about this question?


Best regards??
Judy Fan.___
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[osg-users] viewer events synchronization

2017-12-12 Thread Judy
Hi All??
I have used the osgViewer::CompositeViewer generating two viewers??and I have 
overrided the method handleof osgGA::GUIEventHandler ??BUT finally just 
only the viewer where the cursor in  is responded.
My question is how to make the two viewers  events  synchronization through 
just one keyboard click.


Thank you very much??


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[osg-users] How to generate fixed alpha value?

2017-11-19 Thread Judy
Hi all,
Now??I have a flt. model with itself  texture??but the internal format of the 
texture is RGB??not with ALPHA value??so the ALPHA TEST function is disabled.
My question is  how to generate some random fixed alpha value of the texture 
with the GLSL language??So that I can use the ALPHA TEST function to fufill the 
point cloud.


Thanks very much!
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[osg-users] How to replace the texture data in the node?

2017-04-05 Thread Judy
Hi ,
As a beginner of openscenegraph. I have used a terrain(.flt) as a node,but the 
texture data of this node doesn't have alpha value, So I want to create a new 
Texture data(with alpha) to replace the exist Texture.At the same time I hope 
to copy the former texture data in a different texture unit so that I can use 
it next time.
Now my question is how to replace the exist texture with a new texture, and 
keep a texture copy in a different texture unit?is there any functions I can 
use?
Best Regards!
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[osg-users] How to get the camera's roll pitch and heading??

2017-04-01 Thread Judy
Hi Robert,
As a beginner of openscenegraph??I have an urgent question that how to get the 
camera's heading pitch and yaw ??
could you give me some suggestion about this question??
Best regards??
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Re: [osg-users] [osgPlugins] Error when loading DirectX .x files

2009-09-15 Thread Judy Hartley
Thanks, Ulrich!


That helps a lot.  I had finally found a different method use, i.e. converting 
the .x files into .obj files (of course I had to write a conversion script 
first) but the load time was getting bad.  Then I found the osgconv tool and 
converted all of my .obj files into .ive files and it's amazing how fast they 
load!

I'm going to test and see whether the .x files load faster, but I kind of doubt 
it.

Cheers,
Judy

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Re: [osg-users] [osgPlugins] Error when loading DirectX .x files

2009-09-11 Thread Judy Hartley
Hi,

Forgot to mention that I am using Visual Studios 9 (2008) for deveoping, so 
this is happening on a Windows machine.

Thanks!
Judy

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[osg-users] [osgPlugins] Error when loading DirectX .x files

2009-09-10 Thread Judy Hartley
Hi,

I'm in the process of converting a DirectX program to OpenGL using OSG.  It 
would be a lot easier for me if I could use the .x file models from the 
original program, but I seem to be having some trouble.  When I try to load any 
of my .x files, I get the following message:

DirectX Loader: Error reading material list; 1 instead of 0

..or similar.  The number changes based on how many materials are listed.  I 
thought maybe it might be because the material numbering started at 0 rather 
than 1, but changing that did not end in success.

I am using 2.8.2 version of OSG.

Does anyone have any ideas on what the problem might be?


Thank you!

Cheers,
Judy

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