HI Jason, Have a look at the osghud example it should a couple of ways to manage the depth buffer issue associated with objects overlaying others.
Robert. On 15 August 2014 19:13, Jason Anderssen <[email protected]> wrote: > Hi Farshid, and Robert, > > Thank you, I think Farshid has the answer I was after as the control > does need depth testing itself, so thank you both for your help. > > Cheers > Jason > > From: Farshid Lashkari <[email protected]> > Reply-To: OpenSceneGraph Users <[email protected]> > Date: Fri, 15 Aug 2014 09:25:39 -0700 > To: OpenSceneGraph Users <[email protected]> > Subject: Re: [osg-users] 3d control in scene (ignore scene depth test) > > Hi Jason, > > Robert's suggestion is usually the most efficient and what I use in most > cases. However, if the object itself needs depth testing enabled to render > properly, then another technique is to use an osg::Camera node. Set its > render order to POST_RENDER and its clear mask to GL_DEPTH_BUFFER_BIT. The > subgraph below the camera node will now be rendered over the main scene, > but with depth testing enabled. > > Cheers, > Farshid > > > On Thu, Aug 14, 2014 at 6:17 PM, Jason Anderssen <[email protected]> > wrote: > >> Hi, >> >> Just a simple question that you probably will know the answer too. >> If I want to have a control in the scene, but I don't want this object to >> obey the depth testing against the scene itself, how do I go about this. >> For example, the scene has a building, and I want to position an axis >> control in the centre of it, if it obeys the scenes depth testing it will >> not be shown, however I still want depth testing on the control itself to >> be correct. >> >> Thank you in advance for your help >> >> Cheers >> Jason >> Internet Email Confidentiality Footer: This email and any files >> transmitted with it contain privileged/confidential information intended >> for the addressee. Neither the confidentiality of nor any privilege in the >> email is waived, lost or destroyed by reason that it has been transmitted >> other than to the addressee. If you are not the addressee indicated in this >> message (or responsible for delivery of the message to such person), you >> may not copy or deliver this message to anyone. In such case, you should >> destroy this message, and notify us immediately. >> >> _______________________________________________ >> osg-users mailing list >> [email protected] >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> >> > _______________________________________________ osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > Internet > Email Confidentiality Footer: This email and any files transmitted with it > contain privileged/confidential information intended for the addressee. > Neither the confidentiality of nor any privilege in the email is waived, > lost or destroyed by reason that it has been transmitted other than to the > addressee. If you are not the addressee indicated in this message (or > responsible for delivery of the message to such person), you may not copy > or deliver this message to anyone. In such case, you should destroy this > message, and notify us immediately. > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >
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