Re: [osg-users] Texture not clear in far view

2008-09-08 Thread TANG Fangqin
Hi Robert and J-S, Thanks for your reply. Yes, the DDS format is a good solution to control the mip mapping. But now since my texture is JPEG, it seems that I have to let OSG generate mipmaps. I find that the default filtering mode is LINEAR_MIPMAP_LINEAR for MIN_FILTER. I tried some other

Re: [osg-users] Texture not clear in far view

2008-09-08 Thread Gordon Tomlinson
/ __ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of TANG Fangqin Sent: Monday, September 08, 2008 8:19 AM To: osg-users@lists.openscenegraph.org Subject: Re: [osg-users] Texture not clear in far view Hi Robert and J-S, Thanks for your reply

Re: [osg-users] Texture not clear in far view

2008-09-07 Thread Jean-Sébastien Guay
Hello Fangqin, As you can see, in the first picture, the texture of building is not clear. It is not quite far. The texture performance is not acceptable. But when you get a little closer, it becomes better (the second picture). Is this because of not setting mip-map? No, you are using mip

Re: [osg-users] Texture not clear in far view

2008-09-04 Thread Robert Osfield
Hi Fangqin, This is case where A picture is worth a thousand words, so could you post a picture of the scene with the buildings far away to illustrate the issue. It could be lack mip-mapping or could be a driver bug, it could just the LOD settings on your database are inappropriate... in short