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Just mucking about with trace. Enjoy.
MJL
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Attachments:
Download 'laser1.mpg' (174 KB)
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I don't think a laser ray casts a shadow.
--
#macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb x]
[1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
-1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// - Warp -
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Mark James Lewin wrote:
>
> Just mucking about with trace. Enjoy.
>
Maybe try using photons...
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 12 Jul. 2002 _____./\/^>_*_<^\/\.______
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On Mon, 15 Jul 2002 15:18:46 +1000, Mark James Lewin
<m_j### [at] yahoo comau> wrote:
>Just mucking about with trace. Enjoy.
Cool... but no_shadow would really help :)
Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG e-mail : pet### [at] tagpovrayorg
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Wasn't it Mark James Lewin who wrote:
>Just mucking about with trace. Enjoy.
Should laser beams cast shadows?
--
Mike Williams
Gentleman of Leisure
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That's pretty original, nice! Well, I had to view it several times to really
catch the laser.. I'd like to see this animation on a darker background (the
plane) and a stronger laser - that actually looks like 'light'.. And a bit
bigger resolution.. But then I'll probably save the anim to my personal
"hall of fame" ! ;o)
Regards,
Hugo
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> Enjoy.
I sure did :) That was fun!
-Peter
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very nice, quite captivating :)
--
Rick
Kitty5 WebDesign - http://Kitty5.com
POV-Ray News & Resources - http://Povray.co.uk
TEL : +44 (01270) 501101 - FAX : +44 (01270) 251105 - ICQ : 15776037
PGP Public Key
http://pgpkeys.mit.edu:11371/pks/lookup?op=get&search=0x231E1CEA
---
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.373 / Virus Database: 208 - Release Date: 02/07/2002
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Photons and media is much slower than using trace to place a few cylinders. I
tried that approach a while ago but couldn't stand the render times.
MJL
Christoph Hormann wrote:
>
> Mark James Lewin wrote:
>
>>Just mucking about with trace. Enjoy.
>>
>
>
> Maybe try using photons...
>
> Christoph
>
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Peter Popov wrote:
> Cool... but no_shadow would really help :)
Thanks.
MJL
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Thanks. I re-rendering to remove the laser shadow. The laser is also stronger and
the resolution slightly higher (still mpg though). I'll post when finished.
Hugo wrote:
> That's pretty original, nice! Well, I had to view it several times to really
> catch the laser.. I'd like to see this animation on a darker background (the
> plane) and a stronger laser - that actually looks like 'light'.. And a bit
> bigger resolution.. But then I'll probably save the anim to my personal
> "hall of fame" ! ;o)
>
>
> Regards,
> Hugo
>
>
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Peter Hertel wrote:
>>Enjoy.
>
> I sure did :) That was fun!
Glad you liked it!
MJL
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Rick [Kitty5] wrote:
> very nice, quite captivating :)
Cheers!
MJL
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Sweet deal! How about with radiosity and a high ambient on those cylinders?
A setup like this with a story/concept behind it would have made a great
entry in the overly complicated machines IRTC round. Looking forward to the
updated version.
Skip
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Thanks!
MJL
Skip Talbot wrote:
> Sweet deal! How about with radiosity and a high ambient on those cylinders?
> A setup like this with a story/concept behind it would have made a great
> entry in the overly complicated machines IRTC round. Looking forward to the
> updated version.
>
> Skip
>
>
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POV-Physics 6.5.9.6 - Fake laser beams will cast shadows unless created with
no_shadow sources... doh. Thanks to everyone who pointed that out.
Here is an update, no shadows, slightly higher resolution.
MJL
Post a reply to this message
Attachments:
Download 'laser3.mpg' (279 KB)
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I saved it. :o) It's better, but still doesn't really look like 'light'..
But how did you calculate the position of the mirrors?
Regards,
Hugo
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No. Light will not block the passage of light.
Cheers!
Chip Shults
My robotics, space and CGI web page - http://home.cfl.rr.com/aichip
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Neat animation. Did you use two trace statements to get the beam to
bounce off the mirrors and stop at the more diffuse objects?
I've got a couple suggestions, since the beam is a little hard to see:
-dim the lights in the room
-give the cylinders an emitting media with a cylindrical density. The
density pattern can be rotated using the Reorient_Trans macro, I think.
Now if you're a real glutton for punishment, you can introduce convex
mirrors and substitute some of the cylinders for cones :)
Mark James Lewin wrote:
> POV-Physics 6.5.9.6 - Fake laser beams will cast shadows unless created
> with no_shadow sources... doh. Thanks to everyone who pointed that out.
>
> Here is an update, no shadows, slightly higher resolution.
>
> MJL
--
Samuel Benge
sbe### [at] caltelcom
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Hugo wrote:
> I saved it. :o) It's better, but still doesn't really look like 'light'..
I know :-( This was meant to be a quick experiment, but maybe I'll try to improve
the laser beam.
> But how did you calculate the position of the mirrors?
Most were easy (90 degree deflections). The others used simple trig.
MJL
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Samuel Benge wrote:
> Neat animation. Did you use two trace statements to get the beam to
> bounce off the mirrors and stop at the more diffuse objects?
Yes, pretty much.
>
> I've got a couple suggestions, since the beam is a little hard to see:
> -dim the lights in the room
> -give the cylinders an emitting media with a cylindrical density. The
> density pattern can be rotated using the Reorient_Trans macro, I think.
I thought of doing that, but this was meant to be just an hour or so of
entertainment. I'll see if it improves things though.
>
> Now if you're a real glutton for punishment, you can introduce convex
> mirrors and substitute some of the cylinders for cones :)
Ha! If you do this, you may as well shoot photons and ditch the cylinders
altogether. You could use lenses then too.
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Cool. Isn't it supposed to explode at the end?
or is that just all the more S for your ER?
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On Tue, 16 Jul 2002 15:06:55 +1000, Mark James Lewin
<m_j### [at] yahoocomau> wrote:
>POV-Physics 6.5.9.6 - Fake laser beams will cast shadows unless created with
>no_shadow sources... doh. Thanks to everyone who pointed that out.
>
>Here is an update, no shadows, slightly higher resolution.
Looks good -- although it seems to me like the laserbeam is hitting the
little mirror on the center left for quite a while without a reflected beam
--
Marc van den Dikkenberg
--
The PowerBasic Archives -- http://www.xlsior.org
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On Wed, 17 Jul 2002 13:40:17 -0400, "Greg M. Johnson"
<gregj:-)565### [at] aolcom> wrote:
>Cool. Isn't it supposed to explode at the end?
>or is that just all the more S for your ER?
It it would be powerful to explode something at the end, it wouldn't be a
very smart idea to reflect it straight back at the laser emitter, like it
does at the very beginning of the animation. :-)
--
Marc van den Dikkenberg
--
The PowerBasic Archives -- http://www.xlsior.org
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