I don't think there should be too many places. I know there are a few on teleport and MakeRootAgent (as Austin pointed out) but it looks like it should be fairly simple to check real terrain height, which might already be done anyway and be masked by the zero check.

It does work in general as it has been possible with ODE.

On 27/04/14 18:13, Mister Blue wrote:
When I built BulletSim, I build for positive only altitudes because I thought 
that was the rule. The only implementation
reason I see for not allowing negative terrain altitudes would be finding all 
the random places where code makes sign
assumptions.

If negative altitudes are needed, it would not be too hard to make it happen. I 
can see the geographically oriented
people wanting zero to be sea level and allowing land to be above and below 
that.

-- mb


On Sat, Apr 26, 2014 at 8:11 AM, Cinder Roxley <[email protected]
<mailto:[email protected]>> wrote:

    Given reasonable constraints, I don't see why viewers wouldn't be able to 
adapt to support variable depth. I'd
    certainly be willing to write a viewer patch if support cropped up.


    On Sat, Apr 26, 2014 at 8:52 AM, David Saunders <[email protected] 
<mailto:[email protected]>> wrote:

        I wounder how hard it would be to modify varasm to allow a start and 
end to the Z axes so we can stack a deep
        ocean and a space sim to the normal sim :)

        But then again would the client handle all these changes? (partly do)

        So the solution is to make deep water simulators, But any test this? I 
never been asked to set up any sims with
        deep water so I not experience with "outside the box" water :)

        I was drawn to opensim with the idea of making "pure" space sims where 
you can float around in real space but I
        dug into it and I would have to rewrite so much code to do this and 
after that  would the client handle it? So I
        stuck with making Moon simulators, Low gravity fixed sky....   This was 
a long time ago,  back in the early days
        of opensim.

        Now times are changing, I think I might dig into doing it again since  
varasim allow you to make a
        4096x4096x4096 regions :)



        On Sat, Apr 26, 2014 at 4:18 AM, Ai Austin <[email protected] 
<mailto:[email protected]>> wrote:

            At 04:09 26/04/2014, drWhiet wrote:

                even boat creators must keep an eye that the engine does not 
move below -0


            Remember the default water level is +20m (adjustable on a per region 
basis)... with a "normal" terrain base
            of 0m.

            Maybe its global warming in the metaverse that raised the sea level 
:-)




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