yes this is something that would be very handy. so far mapping attempts for the geodesic sphere all ended up into rectangular projections
Looking at this projection, looks like it should be most easy to start affect the uv's during the build since its highly depending on face order. Fabrice On Mar 25, 2010, at 1:37 PM, Paul Neave wrote: > Hi group, > > I'm attempting to use a TOAST projection texture map in Away3D. TOAST > is the mapping projection Microsoft uses for its WorldWide Telescope. > Here's a rundown: > http://www.worldwidetelescope.org/docs/WorldWideTelescopeProjectionReference.html > > It's a very clever way of getting around the "pole singularity" > problem that occurs when you try to wrap a texture map onto a sphere - > you get an ugly "pinching" effect at the poles. Usually sphere maps > are in a "simple spherical" or "equirectangular" projection, but the > TOAST projection works by mapping polygons directly onto the > polyhedron. In this case, a geodesic sphere. > > So... is this possible in Away3D? I'm experimenting now but it would > be great if there was a native material class that could take a TOAST > map such as this > http://www.worldwidetelescope.org/docs/Images/ToastMapOfEarth.jpg > and map it straight onto a geodesic sphere. > > Any advice greatly appreciated! > Thanks loads, > Paul. > > To unsubscribe from this group, send email to > away3d-dev+unsubscribegooglegroups.com or reply to this email with the words > "REMOVE ME" as the subject. To unsubscribe from this group, send email to away3d-dev+unsubscribegooglegroups.com or reply to this email with the words "REMOVE ME" as the subject.
