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"Simon" <povray@*NOSPAM*SOWare.co.uk> wrote:
> The one it made me think of was Maniac Mansion by Sierra - Good ol' ScummVM
> :)
Oh yes, that was the one! I knew it was a building starting with a M but
Mortevielle Manor kept coming back at me.
>
> Ideally, I'd like to make the curtains blow but I'm a little unsure how I
> can pull that off - it's obv not a matter of rotation, I need them to
> "billow" - I'll see what I can come up with :)
Not a trivial thing to do AFAIK. Megapov comes with a pretty good cloth
simulation, but I'm not sure how you'd go about making billowing curtains.
>Thanks for the input!
>-S
You're most welcome.
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lol just remove the *NOSPAM*
I own the domain soware.co.uk so have set up an address for POVRay@
Thanks very much!
"Marc" <jac### [at] wanadoofr> wrote in message
news:467c0d39$1@news.povray.org...
>
> 467c0743$1@news.povray.org...
>> Thanks, I'd appreciate that!
> Unfortunately, I did not find them but I found some samples by google.
> I fiddled a 12s loop that fits roughly with your avi file.
> If I could decipher your mail adress I could send it to you :-)
>
> Marc
>
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467c62c7@news.povray.org...
> lol just remove the *NOSPAM*
>
I was disturbed by the uppercase SOW :-)
Marc
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"Marc" <jac### [at] wanadoofr> wrote in message
news:467cd948$1@news.povray.org...
> I was disturbed by the uppercase SOW :-)
A valid point :)
My initials are S.O. and I thought SOWare would be a good company name if I
ever got around to doing anything software-wise (I was 17 when I registered
the domain) - so I have a tendancy to write it SOWare. (Shows my windows
background - who cares about case? :D ). Having said that, I'm doing so much
work now either on Linux or in case-sensitive languages (Javascript) that
I'm finally forcing myself to be correct every time - same for websites of
course.
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467cda9a$1@news.povray.org...
> "Marc" <jac### [at] wanadoofr> wrote in message
> news:467cd948$1@news.povray.org...
>> I was disturbed by the uppercase SOW :-)
>
> A valid point :)
>
> My initials are S.O. and I thought SOWare would be a good company name if
> I ever got around to doing anything software-wise (I was 17 when I
> registered the domain) - so I have a tendancy to write it SOWare. (Shows
> my windows background - who cares about case? :D ). Having said that, I'm
> doing so much work now either on Linux or in case-sensitive languages
> (Javascript) that I'm finally forcing myself to be correct every time -
> same for websites of course.
>
Then I'm not SOW SOWy :-)
Marc
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Grassblade nous apporta ses lumieres en ce 2007/06/22 14:50:
> "Simon" <povray@*NOSPAM*SOWare.co.uk> wrote:
>> The one it made me think of was Maniac Mansion by Sierra - Good ol' ScummVM
>> :)
> Oh yes, that was the one! I knew it was a building starting with a M but
> Mortevielle Manor kept coming back at me.
>> Ideally, I'd like to make the curtains blow but I'm a little unsure how I
>> can pull that off - it's obv not a matter of rotation, I need them to
>> "billow" - I'll see what I can come up with :)
> Not a trivial thing to do AFAIK. Megapov comes with a pretty good cloth
> simulation, but I'm not sure how you'd go about making billowing curtains.
>
>> Thanks for the input!
>> -S
> You're most welcome.
>
>
Idialy, you need to have a way to confine the wind to a particular area of your
cloth. I don't know if that's possible.
Next, add some weight to the bottom of the cloth: best to simulate real curtains
by making the cloth come back up some distance (3 to 10% of the curtain's
height). Do the same to the edges but only for a small strip, typicaly only 1/4
or less the width of the bottom trim. This mean that the bottom corners will
have quadruple thickness. I've seen many curtains, mostly light fabric ones,
fitted with a lead cord along the bottom: a string fitted with small lead beads.
Curtains are normaly whider than the window. Have your cloth hang from a
cylinder about 15%~25% shorter than itself, with the side edges lined to that
cylinder.
You may want to increase the weight and decrease the stiffness. Heavy curtains
billow, light curtains flutter.
--
Alain
-------------------------------------------------
You know you've been raytracing too long when you downloaded and printed the
Renderman Interface documentation, so you'd have a little light reading to take
on holiday.
Alex McLeod a.k.a. Giant Robot Messiah
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Alain <ele### [at] netscapenet> wrote:
> Idialy, you need to have a way to confine the wind to a particular area of your
> cloth. I don't know if that's possible.
> Next, add some weight to the bottom of the cloth: best to simulate real curtains
> by making the cloth come back up some distance (3 to 10% of the curtain's
> height). Do the same to the edges but only for a small strip, typicaly only 1/4
> or less the width of the bottom trim. This mean that the bottom corners will
> have quadruple thickness. I've seen many curtains, mostly light fabric ones,
> fitted with a lead cord along the bottom: a string fitted with small lead beads.
> Curtains are normaly whider than the window. Have your cloth hang from a
> cylinder about 15%~25% shorter than itself, with the side edges lined to that
> cylinder.
> You may want to increase the weight and decrease the stiffness. Heavy curtains
> billow, light curtains flutter.
>
> --
> Alain
> -------------------------------------------------
> You know you've been raytracing too long when you downloaded and printed the
> Renderman Interface documentation, so you'd have a little light reading to take
> on holiday.
> Alex McLeod a.k.a. Giant Robot Messiah
I'm not sure it would work. I tried a number of things with Clothsim a few
months back. Since I wanted to make clothes, I arranged the points in a
cylindrical shape, but the simulation always failed around the third or
fourth iteration. Opening up the cloth so that it occupied about 300
degrees (as opposed to a full circle) also failed. I'm guessing there may
be some sort of singularity problem when points from opposing edges are too
close. Then again it could have been something else entirely.
I found a couple of examples in Megapov at the following address:
http://tofbouf.free.fr/clothray/mpg/mpg.html There's even a billowing
curtain animation but the code is not provided. Rideau.pov at
http://tofbouf.free.fr/clothray/mpg/rideau.pov is a curtain animation but
without wind.
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