[osg-users] How to implemente this simple function?

Robert Osfield robert.osfield at gmail.com
Mon Sep 10 01:39:30 PDT 2007


osg::Camera subclasses from osg::CullSettings so you can do:

viewer.getCamera()->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR);

On 9/10/07, 方之 <ystku at 163.com> wrote:
> Hello Mr Wang:
>    I want to know how to use cullingsetting class, can you gave me a simple
> example?
>    PS:Are you in China/
>
>                              ShiTou
>
>                                 2007 9 10
>
> />May be you need to disable autoComputeNearFar for a camera.
> />Don't apologize for your poor en , cause they may also poor in CH...hehe
> />  ----- Original Message -----
> />  From: ??
> />  To: osg-users at lists.openscenegraph.org
> />  Sent: Sunday, September 09, 2007 11:57 PM
> />  Subject: [osg-users] How to implemente this simple function?
> />
> />
> />  Hello all :
> />    I want to implemente this function, only to render the fixed distance
> from the viewer current />position, and I can't use the
> getProjectionMatrixAsFrustum function correct:
> />
> />  I use the following codes, but the result is very strange:
> />
> />  viewer ->getCamera()
> ->setProjectionMatrixAsFrustum(-10,10,-10,10,100,200) ;
> />
> />  I want the viewer only to render the distance between 100 and 200 from
> the viewer current position.
>
> />/>  I will gratitude for giving me some Tutorials
> />  ......... Sorry for my poor EN.
> />
>  ShiTou
> />
>       2007.9.9
>
>
>
>
>
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