[Opensim-users] large terrains + megaregions

[andrew johnson]

what is L3DT

> Date: Sun, 13 Sep 2009 11:52:54 -0400
> From: fishwick at cise.ufl.edu
> To: opensim-users at lists.berlios.de
> Subject: Re: [Opensim-users] large terrains + megaregions
> 
> After a couple of experiments, it re-dawned on me that the load-tile works
> only when in the (root) region. When in root, terrain load-tile works fine,
> and indeed setting CombineContiguousRegions=true to [Startup] in
> OpenSim.ini creates one large region - no region crossings and the visual
> pains that come with them (rubber banding, hesitations).
> 
> I created a 2x2 map labeling regions 1,2,3 and 4 for simplicity with 
> region 1
> being at (1000,1000):
> 
> 
>     2   3
>     1   4
> 
> and then used L3DT to create a 512x512 heightmap. I am presuming that 
> regions
> still have pointers to their respective assets even though when in the 
> viewer, I am
> always "in" Region 1 which covers the entire 0,0 to 512,512 area.
> 
> -p
> 
> 
> 
> Paul Fishwick wrote:
> > I played with large terrains a while back, and wanted to get back into 
> > it,with
> > the discussion of megaterrains. After much searching through the web and
> > docs, my results are getting only one region filled. Here are the 
> > parameters:
> >
> > 1) 2 x 2 region with the southwest at 1000,1000 and the northeast at 
> > 1001,1001
> > 2) used L3DT to generate a nice heightfield with a floor of 0 and 
> > terrain no higher than 60
> > 3) this heightmap is 512x512 in resolution
> > 4) exported the heightmap to an R32 format and called it test.r32
> > 5) inside of the console after a change-region to the southwest 
> > (1000,1000) region,
> >
> >    terrain load-tile test.r32 2 2 1000 1000
> >
> >    loads only region 1 @ 1000,1000
> >
> >    the other 3 regions are as they were
> >
> > Anyone else experienced this?
> >
> > -p
> >
> 
> 
> -- 
> Paul Fishwick, PhD
> Professor and Director, Digital Arts and Sciences Programs
> University of Florida
> Computer & Information Science and Eng. Dept.
> Bldg. CSE, Room 301
> P.O. Box 116120
> Gainesville, FL 32611
> Email: fishwick at cise.ufl.edu
> Phone: (352) 392-1414
> Fax: (352) 392-1220
> Web: http://www.cise.ufl.edu/~fishwick
> 
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