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and why don't they work? Tried this with both Mega and Offical versions.
--
H.E. Day
<><
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"H. E. Day" <Pov### [at] aol com> wrote in message
news:01bff45f$cf276840$397889d0@daysix...
| and why don't they work? Tried this with both Mega and Offical versions.
Works for me.
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"H. E. Day" wrote:
>
> and why don't they work? Tried this with both Mega and Offical versions.
I don't know if this is what you meant, but I noticed (some time ago)
that, once you use shadowless, a spotlight is equal to a pointlight.
It seems that the "limiting cone" is in fact a shadowing effect,
and thus dissapear with shadowless...
In some cases, you could maybe get the feature you were seeking
by using the "light groups" in MegaPOV.
Fabien.
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On Sun, 23 Jul 2000 14:28:45 +0200, Fabien Mosen
<fab### [at] skynetbe> wrote:
>"H. E. Day" wrote:
>>
>> and why don't they work? Tried this with both Mega and Offical versions.
>
>I don't know if this is what you meant, but I noticed (some time ago)
>that, once you use shadowless, a spotlight is equal to a pointlight.
>It seems that the "limiting cone" is in fact a shadowing effect,
>and thus dissapear with shadowless...
Shadowless lights were initially implemented as fill lights long
before radiosity provided a better solution. As such, they don't
create highlights, don't drop shadows and I think they are not
restricted by the spotlight light cone.
Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] usanet
TAG e-mail : pet### [at] tagpovrayorg
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Oh wow, that was a dumb thing for me to say about using a cone and arealight
to do the shadowless spotlight! Hope my reply just now gets cancelled
before anyone sees it :-)
Again, I hadn't realized this was the problem before, I was only looking for
a shadow or not.
Bob
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From the manual:
"Shadowless may be used with area_light but not spotlight or cylinder."
I wish it were possible...
G.
"H. E. Day" wrote:
> and why don't they work? Tried this with both Mega and Offical versions.
>
> --
> H.E. Day
> <><
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Gilles Tran <tra### [at] inapginrafr> wrote:
: From the manual:
: "Shadowless may be used with area_light but not spotlight or cylinder."
I wonder what's the point in using a shadowless area_light. As far as I
know, it's a waste of time (using a point light would make no difference?).
--
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
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Warp wrote:
> Gilles Tran <tra### [at] inapginrafr> wrote:
> : From the manual:
> : "Shadowless may be used with area_light but not spotlight or cylinder."
>
> I wonder what's the point in using a shadowless area_light. As far as I
> know, it's a waste of time (using a point light would make no difference?).
Probably Povray just goes by the saying that everything that is not
formallyforbidden is authorised...
G.
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In article <397c1596@news.povray.org>, Warp <war### [at] tagpovrayorg>
wrote:
> I wonder what's the point in using a shadowless area_light. As far as I
> know, it's a waste of time (using a point light would make no
> difference?).
I think you are right...area lights only affect shadows, the shading is
the same as for point lights.
--
Christopher James Huff - Personal e-mail: chr### [at] maccom
TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
Personal Web page: http://homepage.mac.com/chrishuff/
TAG Web page: http://tag.povray.org/
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I had this problem once, and resorted to fading light.
Grim
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