[x3d-public] X3D demo

[GPU Group]

Visualization > EarthRise scene
I could use some help finishing an earthrise scene, 2 varieties: a) regular
transforms and nodes b) geo nodes
-Doug
..
- I'm working on some geospatial issues, and I need a scene with the moon,
sun and earth orbiting each other, and with tilt axes for earth and
barycentric orbit -what do you call those elliptical orbit points - focii?
-and I don't know the math.
- I started the scene
http://dug9.users.sourceforge.net/web3d/tests/geo/World
/solar_system.x3d
It won't run properly in geo mode (yet)
but I have code to work through: I'm planning to make spec comments for
--  RelativeHeight
--  Planet
For relatieveHeight there are 2 attributes: maintainRelativeHeight and
startingHeightIsRelativeHeight.
- for GeoLocation it needs to know what GeoElevationGrids are associated
with the planet, so it can check against them
Planet - I'm thinking it should be a node
<Planet ID='1'>
... all your geoNodes for the planet
</Planet>
<Planet ID='2'>
- geonodes for next planet
</Planet>
Then another role of Planet will be to convert so called
LocalCoordinateSystem LCS -based on geoOrigin or some automatic origin-
into GC geocentric coordinates so the orbital animations can be done
assuming they are geoCentered.
<Transform>
<Planet/>
</Transform>

On Wed, Mar 7, 2018 at 7:07 AM, John Carlson <yottzumm at gmail.com> wrote:

> I wonder if there's some X3D demo I could do?   Perhaps some 3D data
> visualization?  Anyone have something on their wish list?   Perhaps
> something using some kind of grammar?
>
> John
>
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