Hi Robert, Many thanks for your suggestion. osg is working perfectly on my dell e6410 laptop, but others people can't run osg properly on their machines which are standard dell desktop machine with Intel graphics hardware. I want to overcome this problem on standard dell desktop machines. Last time you mentioned how to use texture2D, but it seems quite complicated and not using standard osgVolume api. I would like to know the minimum system requirement for osg especially running osgVolume. Thanks.
Regards, Clement ________________________________________ From: [email protected] [[email protected]] On Behalf Of Robert Osfield [[email protected]] Sent: Saturday, 17 March 2012 3:42 AM To: OpenSceneGraph Users Subject: Re: [osg-users] Incorrect volume image Hi Clement, On 16 March 2012 14:38, <[email protected]> wrote: > Last time I got the problem is related to hardware, so texture3D is not > supported by the graphic card. Now I tested on other machines. It's still crappy Intel graphics graphics. You absolutely should expect crappy results with volume on any Intel graphics system. I have said this several times now, but it seems the message hasn't sunk in yet. So... I'll say it again. IT'S POINTLESS TRYING TO DO VOLUME RENDERING ON INTEL GRAPHICS HARDWARE, THEY ARE TOTALLY AND UTTERLY INCAPABLE OF HANDLING IT. >I ran the testing code and there is no any error message on console, but the >display image is not correct. The image problem is same as the image shown on > >http://www.openscenegraph.org/projects/osg/wiki/Community/Tasks/OpenGLConformance > about "GL_SGIS_generate_mipmap doesn't work", so I guess the problem is >related to mipmap. Do you think this problem is also related to the hardware? What did I say in my previous email? 1) It has nothing to do with mipmapping because mipmapping isn't used for volume rendering, 2) Intel graphics hardware and driver are woefully inadequate. I know this isn't the message you want to hear, but you'll get the same message every time you try and attempt to volume rendering with Intel hardware. If you can't take this on board or other things I suggest, then how much point is there in me even trying to reply to your support posts? Robert. _______________________________________________ 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
