[Radiance-general] Ambient file Q's

Tue, 6 Jan 2004 16:12:12 -0600

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Thanks=20
That explains it - I'll delete the amb file=20

I'm assuming you used rpict directly, and not rad?=A0 Anytime you =
change=20
the rendering parameters you have to delete the ambient cache.=A0 Rad =
does=20
this for you automatically.=A0 My guess is that you didn't do that, so=20
there's the reason for both the speedy rendering and the negligible=20
difference in image quality avan after doubling your ambient =
parameters.=20

Actually, I did it through rad with Render=3D options=20

So no, as I understand it, an ambient file seeded under lower quality=20
settings will not improve when you re-run with higher settings.=A0 You=20
must start over.=20

As for the splotchies, maybe some more detail about your model would=20
help us troubleshoot that, or maybe a sample image?=20

here it be=20
http://www.geocities.com/rastermon/Sonti7_GR.html=20
=A0=20

-----Original Message-----=20
From: Georg Mischler=20
To: [email protected]=20
Sent: 1/6/2004 1:12 PM=20
Subject: Re: [Radiance-general] Ambient file Q's=20

More precisely, you need a new ambient file after one or=20
several of the following parameters has been changed:=20

=A0-av -ab -aa -ad -as -ar=20

-schorsch=20

--=20
Georg Mischler=A0 --=A0 simulations developer=A0 --=A0 schorsch at =
schorsch com=20
+schorsch.com+=A0 --=A0 lighting design tools=A0 --=A0 =
http://www.schorsch.com/=20
_______________________________________________=20
Radiance-general mailing list=20
[email protected]=20
http://www.radiance-online.org/mailman/listinfo/radiance-general=20
=A0=20

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<P><FONT SIZE=3D2>Thanks </FONT>
<BR><FONT SIZE=3D2>That explains it - I'll delete the amb file </FONT>
</P>

I'm assuming you used rpict directly, and not rad?=A0 =
Anytime you change 
 the rendering parameters you have to delete the =
ambient cache.=A0 Rad does 
 this for you automatically.=A0 My guess is that you =
didn't do that, so 
 there's the reason for both the speedy rendering and =
the negligible 
 difference in image quality avan after doubling your =
ambient parameters.

<P><FONT SIZE=3D2>Actually, I did it through rad with Render=3D options =
</FONT>
</P>

So no, as I understand it, an ambient file seeded =
under lower quality 
 settings will not improve when you re-run with =
higher settings.=A0 You 
 must start over.

As for the splotchies, maybe some more detail about =
your model would 
 help us troubleshoot that, or maybe a sample image? =

<P><FONT SIZE=3D2>here it be </FONT>
<BR><FONT SIZE=3D2><A =
HREF=3D"http://www.geocities.com/rastermon/Sonti7_GR.html" =
TARGET=3D"_blank">http://www.geocities.com/rastermon/Sonti7_GR.html</A> =
</FONT>
<BR><FONT SIZE=3D2>=A0 </FONT>
</P>

<P><FONT SIZE=3D2>-----Original Message----- </FONT>
<BR><FONT SIZE=3D2>From: Georg Mischler </FONT>
<BR><FONT SIZE=3D2>To: [email protected] </FONT>
<BR><FONT SIZE=3D2>Sent: 1/6/2004 1:12 PM </FONT>
<BR><FONT SIZE=3D2>Subject: Re: [Radiance-general] Ambient file Q's =
</FONT>
</P>
<BR>
<BR>

<P><FONT SIZE=3D2>More precisely, you need a new ambient file after one =
or </FONT>
<BR><FONT SIZE=3D2>several of the following parameters has been =
changed: </FONT>
</P>

<P><FONT SIZE=3D2>=A0-av -ab -aa -ad -as -ar </FONT>
</P>
<BR>

<P><FONT SIZE=3D2>-schorsch </FONT>
</P>

<P><FONT SIZE=3D2>-- </FONT>
<BR><FONT SIZE=3D2>Georg Mischler=A0 --=A0 simulations developer=A0 =
--=A0 schorsch at schorsch com </FONT>
<BR><FONT SIZE=3D2>+schorsch.com+=A0 --=A0 lighting design tools=A0 =
--=A0 <A HREF=3D"http://www.schorsch.com/" =
TARGET=3D"_blank">http://www.schorsch.com/</A> </FONT>
<BR><FONT SIZE=3D2>_______________________________________________ =
</FONT>
<BR><FONT SIZE=3D2>Radiance-general mailing list </FONT>
<BR><FONT SIZE=3D2>[email protected] </FONT>
<BR><FONT SIZE=3D2><A =
HREF=3D"http://www.radiance-online.org/mailman/listinfo/radiance-general=
" =
TARGET=3D"_blank">http://www.radiance-online.org/mailman/listinfo/radian=
ce-general</A> </FONT>
<BR><FONT SIZE=3D2>=A0</FONT>=20
</P>

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