[Opensim-dev] worldsize map scaling

[Jeroen van Veen]

Hey Justin,

When i try to tp to a region with one axis > 64k, the imprudence(1.4) viewer 
returns: 
"Could not teleport. The region you tried to teleport to doesn't exist 
anymore". 

Latest snowglobe has the same issue. There is no feedback from the simulator 
or robust service besides the search-operation for the region in the map(which 
is ok). It's not that i want to run a large amount of regions, rather i would 
like to combine two map-layers; single os-region tiles with openstreetmap-
tiles, based on their shared grid locations at zoomlevel 17 or 18, which 
require a gridaxis of 2^17. Like if i wanted to create a region on top of some 
location in the netherlands, then it would require a grid-location which is 
larger than 64k at each axis. 

The tile-renderer thats part of hwios now, works for quite some time already. 
It was tested succesfully on os-grid tiles some time ago. It works in 
openlayers, kde marble and in viewer 2(using the mapservice uri, but without 
the osm-layer), but if one can't tp to the regions > 64k in-world, then it 
doesnt make much sense to try to mashup both osm and os.

I tried to avoid the error in the past, by introducing mapping offsets, but 
that would complicate things alot. The use of this 1-1 mapping approach is 
that you always know the rl osm tile thats linked to a region, so you can for 
instance get the osm tile on a 256x256 prim and show where rl roads and 
buildings are supposed to be in-world. If this feature would work, it would be 
possible to introduce a mapping client like marble inside of a viewer, or use 
geodjango on top of hwios for AR-related stuff.

kind regards,

Jeroen

On Tuesday 21 June 2011 01:09:52 Justin Clark-Casey wrote:
> Hi Jeroen.  You don't say what happens when you try running a grid with 132
> x 132 regions.  I'm guessing the main map doesn't display properly.
> 
> Running that many regions on a single simulator would be a problem in
> itself.  You may also want to try viewer 2 with the very latest code since
> Diva recently implemented the viewer 2 map approach here and it works
> differently from viewer 1.
> 
> On 16/06/11 08:10, Jeroen van Veen wrote:
> > Hello,
> > 
> > I've been wondering for a long time what prevented the use of really
> > large grid locations. My use-case is using the opensim map as an overlay
> > on openstreetmap with 17 zoomlevels, which is a 2^17(131.072x131.072)
> > grid-sized map. I've tried in the past, and it looks to me that it's a
> > viewer issue? Any idea if this is going to be an easy fix on the viewer
> > side, or whether opensim needs some changes as well?
> > 
> > kind regards,
> > 
> > Jeroen
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