[osg-users] osgdem --terrain vs polygon count?

Hi all, I admit I don't know what causes osgdem --terrain to take so little time to generate the same terrain that would take hours without that option. I suspect that's part of the answer to my question. But I'd like to know a few of the details if possible. I was wondering why, when I

Re: [osg-users] osgdem --terrain vs polygon count?

Hi J-S, The main speed up with using --terrain in the osgdem/vpbmaster build is that the tile geometry doesn't need to simplified - it can just be aquired from the source DEM's as grids and then output as grids. At runtime there will typically many more triangles being rendered with an --terrain

Re: [osg-users] osgdem --terrain vs polygon count?

Hi Robert, The main speed up with using --terrain in the osgdem/vpbmaster build is that the tile geometry doesn't need to simplified - it can just be aquired from the source DEM's as grids and then output as grids. [...] The key thing to remember with --terrain databases is that since the

Re: [osg-users] osgdem --terrain vs polygon count?

Hi J-S, You need to decide what you want to do, but personally I'd recommend using --terrain and then in your app decide how much detail you want, you can make this user definable, provide reasonable defaults for different classes of hardware 0 they key is it's under your control and even after