Re: [Celestia-developers] committed galaxie fixes/updates, Titan atmosphere

[Selden E B. Jr <se...@le...>]

I just now did a cvs checkout to download an entirely fresh copy
of everything. It compiled with no errors under Windows with VS Studio 2003.

The updated galaxy code and models seem to be fine!

While approaching the E0 galaxy  M 105/NGC 3379, I noticed that the central 
yellow glow fades away completely when you get close. Is this intentional?
It doesn't seem to fade quite so completely when approacing
M 31, for example.

s.

> Chris,

> I just committed my stuff for  1.5.0pre1.

> -- various improvements to the MilkyWay & galaxy template display
>    (dust line in galactic plane weakened and made more irregular,...)
> -- add E0 template, giving better E_n, n=1..7, displays via scaling
>     * add E0.png in celestia.iss
>     * add E0.png in models/Makefile.am
> -- reverse MilkyWay template orientation to fit observations
> -- prevent galaxy code from crashing if a template is missing
> -- fix sizes of irregular galaxies (factor of 2!)

> -- add new code featuring varying label transparency for galaxies

> -- add new parameter set for Mie atmosphere display of Titan. I have
> strongly reduced the purple/blue intensity while
>    achieving even better agreement with cyclops color imaging

> Someone should check whether things work fine (loading of E0.png!) under
> Windows. I checked all Linux distros.

> Bye Fridger


> Chris Laurel wrote:
> > Anyone want to sanity check this thing before I announce it on the forum?
> >
> > http://www.shatters.net/~claurel/celestia/files/celestia-win32-1.5.0pre1.exe
> >
> > I made lots of little bug fixes and cosmetic changes today:
> > - Moon and star orbit colors have changed
> > - New star code is enabled by default (and edit mode is back, Selden :) )
> > - Lots of crud ripped out of TODO (features that were already
> > implemented or just silly)
> > - Mesh statistics (# of triangles, vertices, and materials) printed to
> > log file at load time
> > - Some more mesh optimizations done at load time (more on this in a
> > separate message)
> > - Updates for the Windows installer--new shader, i18n resource dlls
> > - Replaced the Cassini model with Cham's much more polished version
> >
> > There are some more significant changes required for 1.5.0 final. This
> > is my current list, though a few of these things could probably wait
> > until 1.5.1:
> > - Changes to standard data files:
> >   - Switch to new rotation model forms
> >   - new Eros model
> >   - new ISS and Mir models (the current ones are not nearly up to the
> > standard of the rest of the models)
> > - Atmospheres
> >   - Make dense atmospheres work better
> >   - Fix artifacts from linear interpolation across triangles
> >   - Fix too dark sky at zenith
> >   - Automatic conversion of new style atmosphere parameters to old ones
> > - Fix stars
> > - SPICE
> >   - Allow lists of kernel files
> >   - Manage loaded kernels
> >   - C-kernel rotation model
> >   - Generic frame rotation model
> > - Virtual textures
> >   - Set LOD separately per patch
> > - Allow star orbits to be toggled separately from planet orbits
> > - Fix cloud shadows
> > - Eliminate OrbitBarycenter
> > - Galaxies
> >   - Prevent galaxy code from crashing when templates aren't found
> >   - Reverse orientation of Milky Way
> >   - Fix irregular galaxies
> > - Vector and orientation parameters for ScriptedOrbits and ScriptedRotations
> > - Default body frame is based on parent, not center of orbit frame; is this
> >   right?
> > - Fix depth sorting of labels
> > - Fix white dots that appear when AA is enabled
> > - Don't require LuaHook for scripted orbits and rotations
> > - Make 3dstocmod eliminate duplicate materials; add option to do the same for
> >   cmodfix.
> >
> > --Chris
> >
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