Hi,
you can also check out osgEarth. I like the fact that it can convert
data (imagery and terrain) into a tms compatible format (jpg, png,
tiff). How you display the data is up to you, you can add shaders to do
fancy things per layer if you want.
regards
jp
On 06/12/2011 17:44, Chris 'Xenon' Hanson wrote:
On 12/6/2011 2:24 AM, PC John wrote:
what is the best file format for paged scene database? The database may be both
- small and big (gigabytes) and it may or may not contain geospatial data.
Well, generally the only paged formats OSG supports (excepting specialized
formats like
TerraPage) are its own .OSG/.IVE/.OSGT/.OSGB.
.OSG and .IVE are deprecated. .OSGT is text and is slower, which leaves
.OSGB as the
primary contender.
The special requirement is that it should be possible to store non-standard
data like reflective color (not present in OpenGL), for instance as a "user
data".
Well, given that this can be stored in the scene graph, it can be stored in
the .OSGB
format as well. But it is up to you to design the scene graph structure to
store, and
utilize this data.
I was considering to store "collision geometry" there as well, but this is not
the strict requirement.
You could store this geometry there too, masked so that it does not render
but can be
accessed during intersection testing.
Thanks in advice,
John
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