I suspect the difference in light intensity
(dynamic range) doesn't fit in an 8-bit 3-component color.
It sure doesn't, but I think you're thinking way too complex. We don't want to
render physical light intensity, we want to render perceived light intensity,
and there the Weber Fechner law
On Sun, Nov 11, 2012 at 1:41 PM, Renk Thorsten thorsten.i.r...@jyu.fiwrote:
I suspect the difference in light intensity
(dynamic range) doesn't fit in an 8-bit 3-component color.
It sure doesn't, but I think you're thinking way too complex. We don't
want to render physical light
You need to do High Dynamic Range rendering to accurately capture these
differences and the eye's ability to adapt to them. Basically, you do all
the rendering in floating point and at the end convert the values to RGB
colors with a mapping operator. We don't do that yet.
I'm currently
If you need any information about the moon's position and/or phase, just
let me know. It should be trivial to extract these values from the
ephemeris code.
Thanks, that was what I was hoping for :-)
It depends a bit on if Fred wants to do anything with the moon - my scheme
would be fine
Hi Thorsten,
De: Renk Thorsten thorsten.i.r...@jyu.fi
À: FlightGear developers discussions
flightgear-devel@lists.sourceforge.net
Envoyé: Samedi 10 Novembre 2012 13:34:30
Objet: Re: [Flightgear-devel] Moonlight reloaded
If you need any information about the moon's position and/or phase
I was toying with this for a while, but now I have a reasonably cheap solution
to render moonlight effects:
http://www.flightgear.org/forums/viewtopic.php?f=47t=14755start=195#p170250
Now, all I need is the info about the current moon phase and if the moon is
above the horizon which is
Interesting, looks good. So effectively it glows...
On Fri, Nov 9, 2012 at 9:19 PM, Renk Thorsten thorsten.i.r...@jyu.fiwrote:
I was toying with this for a while, but now I have a reasonably cheap
solution to render moonlight effects:
On Fri, 9 Nov 2012 10:49:30 +, Renk wrote in message
e495a106ff5f31448739e79d34138c191e161...@mbs1.ad.jyu.fi:
I was toying with this for a while, but now I have a reasonably cheap
solution to render moonlight effects:
Interesting, looks good. So effectively it glows...
Not really - unlike glowing stuff, it is actually obscured by cloud cover for
instance.
* Thorsten
--
Everyone hates slow websites. So do we.
Make your web apps
Just a quick note for now, because I've got a lecture coming up in about 30
minutes...
If you need any information about the moon's position and/or phase, just let me
know. It should be trivial to extract these values from the ephemeris code.
Cheers,
Durk
On 09 Nov 2012, at 13:25, Renk
Hi Thorsten,
One more tidbit of info on phase of the moon. The phase of the moon is
proportional to the relative location of the sun and the moon in the sky;
more specifically the angle between them. For example, a full moon will be
rising precisely when the sun is setting -- in this case they
Hi Curt,
But now with Rembrandt maybe we can begin to cast the earth's shadow onto the
moon? What do you think Fred? :-)
It should be just a matter of rendering two spheres inside an FBO and using the
resulting shadow map when rendering the moon sphere to show moon eclipses, or
altering
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