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fg map limitation?

fg map limitation?

2005-03-02       - By peterb

 Back
Reply:     1     2     3     4     5  

Does anyone else find this very limiting?
What's the point of swapping data to a file on disk, if it has such a filesize
limitation?



More general, it seems that photon mapping isnt the most opportune solution
when it comes to animation?

It works well enough for "flythrough" sequences where the camera moves through
otherwise static scenes.
Once you animate lights or the environment it loses its purpose, and you have
to recalculate the map each frame, requiring much higher quality settings.

But character animation falls a bit in between, requiring animation, but not
necessarily the same level of FG detail as the environment.

It would make sense to have groups with each their own photon calculations, eg.
one precalculated FGmap for the background, and then a new FG calculation per
frame for the character only.
(of course you can do this by splitting up in passes, and it would probably end
up more effective)


 

 You're trying to render 500 frames plus all in one go??? It won't happen.

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<DIV class=MsoNormal dir=ltr style="MARGIN-LEFT: 35.4pt"><FONT face=Arial><FONT
size=2><FONT face=Arial><FONT size=2><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 12pt"><o:p>Does anyone else find this very
limiting?</o:p></SPAN></FONT></FONT></FONT></FONT></FONT></DIV>
<DIV class=MsoNormal dir=ltr style="MARGIN-LEFT: 35.4pt"><FONT face=Arial><FONT
size=2><FONT face=Arial><FONT size=2><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 12pt"><o:p>What's the&nbsp;point of swapping data to a file
on
disk, if it has such a filesize
limitation?</o:p></SPAN></FONT></FONT></FONT></FONT></FONT></DIV>
<DIV class=MsoNormal dir=ltr style="MARGIN-LEFT: 35.4pt"><FONT face=Arial><FONT
size=2><FONT face=Arial><FONT size=2><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></FONT></FONT></FONT></FONT></FONT>
&nbsp;</DIV>
<DIV class=MsoNormal dir=ltr style="MARGIN-LEFT: 35.4pt"><FONT face=Arial><FONT
size=2><FONT face=Arial><FONT size=2><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></FONT></FONT></FONT></FONT></FONT>
&nbsp;</DIV>
<DIV class=MsoNormal dir=ltr style="MARGIN-LEFT: 35.4pt"><FONT face=Arial><FONT
size=2><FONT face=Arial><FONT size=2><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></FONT></FONT></FONT></FONT></FONT>
&nbsp;</DIV>
<DIV class=MsoNormal dir=ltr style="MARGIN-LEFT: 35.4pt"><FONT face=Arial><FONT
size=2><FONT face=Arial><FONT size=2><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 12pt"><o:p>More general, it seems that photon mapping isnt
the
most opportune solution when it comes to
animation?</o:p></SPAN></FONT></FONT></FONT></FONT></FONT></DIV>
<DIV class=MsoNormal dir=ltr style="MARGIN-LEFT: 35.4pt"><FONT face=Arial><FONT
size=2><FONT face=Arial><FONT size=2><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></FONT></FONT></FONT></FONT></FONT>
&nbsp;</DIV>
<DIV class=MsoNormal dir=ltr style="MARGIN-LEFT: 35.4pt"><FONT face=Arial><FONT
size=2><FONT face=Arial><FONT size=2><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 12pt"><o:p>It works well enough&nbsp;for "flythrough"
sequences where the camera moves through otherwise static
scenes.</o:p></SPAN></FONT></FONT></FONT></FONT></FONT></DIV>
<DIV class=MsoNormal dir=ltr style="MARGIN-LEFT: 35.4pt"><FONT face=Arial><FONT
size=2><FONT face=Arial><FONT size=2><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 12pt"><o:p>Once you animate lights or the environment
it&nbsp;loses its purpose, and you&nbsp;have to recalculate the map each frame,
requiring much higher quality
settings.</o:p></SPAN></FONT></FONT></FONT></FONT></FONT></DIV>
<DIV class=MsoNormal dir=ltr style="MARGIN-LEFT: 35.4pt"><FONT face=Arial><FONT
size=2><FONT face=Arial><FONT size=2><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></FONT></FONT></FONT></FONT></FONT>
&nbsp;</DIV>
<DIV class=MsoNormal dir=ltr style="MARGIN-LEFT: 35.4pt"><FONT face=Arial><FONT
size=2><FONT face=Arial><FONT size=2><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 12pt"><o:p>But character animation falls a bit in between,
requiring animation, but not necessarily the same level of FG detail as the
environment.</o:p></SPAN></FONT></FONT></FONT></FONT></FONT></DIV>
<DIV class=MsoNormal dir=ltr style="MARGIN-LEFT: 35.4pt"><FONT face=Arial><FONT
size=2><FONT face=Arial><FONT size=2><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></FONT></FONT></FONT></FONT></FONT>
&nbsp;</DIV>
<DIV class=MsoNormal dir=ltr style="MARGIN-LEFT: 35.4pt"><FONT face=Arial><FONT
size=2><FONT face=Arial><FONT size=2><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 12pt"><o:p>It would make sense to have groups with each their
own photon calculations, eg. one precalculated FGmap for the background, and
then a new FG calculation per frame for the character only.
</o:p></SPAN></FONT></FONT></FONT></FONT></FONT></DIV>
<DIV class=MsoNormal dir=ltr style="MARGIN-LEFT: 35.4pt"><FONT face=Arial><FONT
size=2><FONT face=Arial><FONT size=2><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 12pt"><o:p>(of course you can do this by splitting up in
passes, and it would probably end up more
effective)</o:p></SPAN></FONT></FONT></FONT></FONT></FONT></DIV>
<DIV class=MsoNormal dir=ltr style="MARGIN-LEFT: 35.4pt"><FONT face=Arial><FONT
size=2><FONT face=Arial><FONT size=2><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></FONT></FONT></FONT></FONT></FONT>
&nbsp;</DIV>
<DIV class=MsoNormal dir=ltr style="MARGIN-LEFT: 35.4pt"><FONT face=Arial
size=2><SPAN style="FONT-SIZE: 12pt"></SPAN></FONT><FONT face=Arial size=2>
<SPAN
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<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT:
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 <DIV class=Section1>
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 <P class=MsoNormal style="MARGIN-LEFT: 35.4pt"><FONT face=Arial color=blue
 size=2><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">You're
 trying to render 500 frames plus all in one go??? It won't
 happen.</SPAN></FONT><FONT face="Times New Roman" size=3><SPAN
 style="FONT-SIZE: 12pt"><o:p>&nbsp;</o:p></SPAN></FONT></P></DIV></BLOCKQUOTE
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