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Hi everyone,
finally I brought myself to learn the usage of media ( they seem awfully
complicated to a newbie, but I think I understood it at last ).
So, a candle flame ...
What do you think about it ?
( I hope the image is displayed, I never tried to post one before )
Jens
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Attachments:
Download 'candle.png' (45 KB)
Preview of image 'candle.png'
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I would certainly agree that you understand media!
Having tried many such flames over the years I can
say this is one of the best. Very realistic.
Two requests: An animation and the source :-)
"Jens Nober" <nob### [at] stud informatikuni-trierde> wrote in message
news:39E9B15F.B4E2B5FB@stud.informatik.uni-trier.de...
> Hi everyone,
>
> finally I brought myself to learn the usage of media ( they seem awfully
> complicated to a newbie, but I think I understood it at last ).
>
> So, a candle flame ...
>
>
> What do you think about it ?
>
> ( I hope the image is displayed, I never tried to post one before )
>
> Jens
Post a reply to this message
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In article <39E9B15F.B4E2B5FB@stud.informatik.uni-trier.de>, Jens Nober
<nob### [at] studinformatikuni-trierde> wrote:
> finally I brought myself to learn the usage of media ( they seem awfully
> complicated to a newbie, but I think I understood it at last ).
>
> So, a candle flame ...
> What do you think about it ?
Once you figure out which parameters control the appearance and which
are simply tuning parameters, it gets a lot easier.
This looks very good...though it looks too big for a candle flame. Maybe
for an oil lamp or torch...or maybe you just caught the candle in
mid-sputter.
> ( I hope the image is displayed, I never tried to post one before )
You posted a PNG, JPEGs are generally preferred here, both for size(it
was a small file, so it doesn't really matter), and for ease of viewing,
many people have software that won't display PNG files in the message,
which forcing them to save it and open it in another
program(MT-NewsWatcher 3.0, for example).
--
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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Very nice work, but it looks much more like a gas flame than
a candel, a candel flame seems to have a more solid body
if you know what I mean. Also the flame would normally
start a few milimeters up the wick but yours looks asthough
it's the actual top of the candel that's burning.
--
Cheers
Steve email mailto:ste### [at] zeroppsuklinuxnet
%HAV-A-NICEDAY Error not enough coffee 0 pps.
web http://www.zeropps.uklinux.net/
or http://start.at/zero-pps
3:24pm up 4 days, 16:43, 2 users, load average: 1.07, 1.06, 1.02
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Chris Huff wrote:
> This looks very good...though it looks too big for a candle flame. Maybe
> for an oil lamp or torch...or maybe you just caught the candle in
> mid-sputter.
... or I just make the candle bigger ;-)
But seriously, you are right. That leads to a new problem:
How to scale down an object with interior media.
I tried to adapt the size to use the flame in an image, but when
I scale down the cylinder which contains the media, the media gets
"weaker", and finally it vanishes.
I also tried to put a scale down in the density statements, but then
the media lost its structure and looked really boring.
>
> > ( I hope the image is displayed, I never tried to post one before )
>
> You posted a PNG, JPEGs are generally preferred here, both for size(it
> was a small file, so it doesn't really matter), and for ease of viewing,
> many people have software that won't display PNG files in the message,
> which forcing them to save it and open it in another
> program(MT-NewsWatcher 3.0, for example).
Oh... noted. Thank you.
Jens
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Steve wrote:
>
> Very nice work, but it looks much more like a gas flame than
> a candel, a candel flame seems to have a more solid body
> if you know what I mean. Also the flame would normally
> start a few milimeters up the wick but yours looks asthough
> it's the actual top of the candel that's burning.
Yes, you are right. I just lighted one and see what you mean.
Jens
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Jens Nober wrote:
>
> Chris Huff wrote:
>
> > This looks very good...though it looks too big for a candle flame. Maybe
> > for an oil lamp or torch...or maybe you just caught the candle in
> > mid-sputter.
>
> ... or I just make the candle bigger ;-)
> But seriously, you are right. That leads to a new problem:
>
> How to scale down an object with interior media.
>
> I tried to adapt the size to use the flame in an image, but when
> I scale down the cylinder which contains the media, the media gets
> "weaker", and finally it vanishes.
>
> I also tried to put a scale down in the density statements, but then
> the media lost its structure and looked really boring.
>
Let me answer my own question.
You have to put the scale statement in the media statement, then it
works.
I guess the rule "think first, write later" is true after all.
Jens
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Ok,
here is the NEW one.
I used differend turbulence values for the three flames and think the
one in the middle looks quite good.
Oh, by the way, if someone is interested in the source code, just leave
a
note and I post it.
Jens
Post a reply to this message
Attachments:
Download 'candels.jpg' (13 KB)
Preview of image 'candels.jpg'
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These look so much better. I've never tried a flame, maybe
I'll do that next.
--
Cheers
Steve email mailto:ste### [at] zeroppsuklinuxnet
%HAV-A-NICEDAY Error not enough coffee 0 pps.
web http://www.zeropps.uklinux.net/
or http://start.at/zero-pps
5:57pm up 4 days, 19:16, 2 users, load average: 1.03, 1.04, 1.01
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In article <39E9C59E.2DF67D98@stud.informatik.uni-trier.de>, Jens Nober
<nob### [at] studinformatikuni-trierde> wrote:
> How to scale down an object with interior media.
>
> I tried to adapt the size to use the flame in an image, but when
> I scale down the cylinder which contains the media, the media gets
> "weaker", and finally it vanishes.
The brightness of the media depends on the distance you are looking
through it...if you decrease the distance by scaling it smaller, you
need to make it brighter. If you halve the size, double the brightness,
etc.
--
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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