thats nice, really nice.

good work!

Rick

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that's right.  at the speeds old trains moved, the upward force of the
smoke was enough to have the stream go straight up for a short
distance.  in fact, the backward movement of the smoke was mostly only
perceptual.  what really happened was the smoke would shoot up, and the
train would move along, leaving a trail behind it.  of course, wind had
an effect on smoke travel, but only after the above considerations.

Chris Huff wrote:
> 
> The smoke definitely needs work...more transparence, and more spheres
> should help. Maybe also fade_distance, and you will need to increase
> max_trace_level.
> Also, they should come out of the funnel in an upward jet, not just
> trickling out, and it would help if they came from an area, not a single
> point, so it looks like the smoke is blowing out of the funnel.
> 
> --
> 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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yes i wanted to obtain this effect by using le log function but it doesn't
work...
gibus

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Did you not watch "The Wild Wild West". ? Guess not...=(

Josh English wrote:

> I've never seen an ornamental crown, but I've seen very few trains, also,
> so I read it to be a flame.
>
> Oops.
>
> Josh
>
> Chris Huff wrote:
>
> > In article <397f1570@news.povray.org>, "Zeger Knaepen"
> > <zeg### [at] yahoocom> wrote:
> >
> > > Is that supposed to be a flame?  I thought it was something gold!
> >
> > It looks like one of the ornamental "crowns" that they used to put on
> > steam engines...
> >
> > --
> > 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/
>
> --
> Josh English -- Lexiphanic Lethomaniac
> eng### [at] spiritonecom
> The POV-Ray Cyclopedia http://www.spiritone.com/~english/cyclopedia/

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I like the smoke the way it is... Striving to make computer images look
"real" sometimes looses the quality a CGI can achieve... Personally i
like a more cartoon style with more imagination than a photo realistic
",

I do agree the overall path of the smoke could improve w/ a curve up and
extend across w/ a slight rise... Unless it were standing still in the
wind... My first impression ...=)

Where are the tracks...?)

Gibus wrote:

> made with spatch, pov and macros .
>
>  [Image]

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Love the train.  It rules!

Quadhall
tre### [at] ww-interlinknet

Gibus wrote in message <397f07ba@news.povray.org>...
>made with spatch, pov and macros .

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Very nice, but I'd like to know why there were cries for you to use media 
in the smoke trail.  It's fine as it is (IMO, of course) and wouldn't 
have the same semi-cartoon feel if the smoke was media based.

Just my two pennorth.

Bye for now,
     Jamie.

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In article <397f816f$1@news.povray.org>, "Gibus" 
<gib### [at] wanadoofr> wrote:

> yes i wanted to obtain this effect by using le log function but it doesn't
> work...

You can get this effect with a simple particle system...you don't even 
need my particle_system patch, something this simple can easily be coded 
in POV-Script. I will be working on an example of this...

-- 
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 sure would like to see a closup of that locomotive. Looks quite
unusual.

Ken Matassa

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