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A big speed up is possible by
I. scaling the clouds to fit the picture frame as closely as possible
2. Using a box instead of a plane e.g.
box{<-10000,-0.0000001,-1000><100000,0.0,10000>
Note the y values they are critical
Mick
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It is also important to end the clouds at the horizon!
To give some idea of the speed gain... My mountain tarn pic with grass and
flowers took 19 hrs to do 2/3 of the pic. With the changes it took 45 mins
to get to the same point!
Mick
Mick Hazelgrove <mha### [at] minda swinternetcouk> wrote in message
news:382ecb9b@news.povray.org...
> A big speed up is possible by
>
> I. scaling the clouds to fit the picture frame as closely as possible
>
> 2. Using a box instead of a plane e.g.
>
> box{<-10000,-0.0000001,-1000><100000,0.0,10000>
>
> Note the y values they are critical
>
> Mick
>
>
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Is it possible to leave the y of the first corner at 0 and still receive the
same benefits?
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No!
Povray reads the object as infinate if both y co-ordinates are 0
making one slightly different makes it a finite and faster rendering object.
The values as given are the absolute maximum values as otherwise strange
things happen.
Mick
TonyB <ben### [at] panamaphoenixnet> wrote in message
news:382eff5c@news.povray.org...
> Is it possible to leave the y of the first corner at 0 and still receive
the
> same benefits?
>
>
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And Jaime's clouds would be found where?
Mick Hazelgrove wrote:
> A big speed up is possible by
>
> I. scaling the clouds to fit the picture frame as closely as possible
>
> 2. Using a box instead of a plane e.g.
>
> box{<-10000,-0.0000001,-1000><100000,0.0,10000>
>
> Note the y values they are critical
>
> Mick
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Should be an example of use in p.t.s-f. I think. Stsky.pov it's called,
dating back a few months.
Bob
Greg M. Johnson <gre### [at] my-dejanewscom> wrote in message
news:3831C6E0.212BAFD9@my-dejanews.com...
> And Jaime's clouds would be found where?
>
> Mick Hazelgrove wrote:
>
> > A big speed up is possible by
> >
> > I. scaling the clouds to fit the picture frame as closely as possible
> >
> > 2. Using a box instead of a plane e.g.
> >
> > box{<-10000,-0.0000001,-1000><100000,0.0,10000>
> >
> > Note the y values they are critical
> >
> > Mick
>
>
>
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http://www.ctav.es/jaime/index.htm is the web page containing those clouds
and source, among other things.
Bob
omniVERSE <inv### [at] aolcom> wrote in message
news:3831f99d@news.povray.org...
> Should be an example of use in p.t.s-f. I think. Stsky.pov it's called,
> dating back a few months.
>
> Bob
>
> Greg M. Johnson <gre### [at] my-dejanewscom> wrote in message
> news:3831C6E0.212BAFD9@my-dejanews.com...
> > And Jaime's clouds would be found where?
> >
> > Mick Hazelgrove wrote:
> >
> > > A big speed up is possible by
> > >
> > > I. scaling the clouds to fit the picture frame as closely as possible
> > >
> > > 2. Using a box instead of a plane e.g.
> > >
> > > box{<-10000,-0.0000001,-1000><100000,0.0,10000>
> > >
> > > Note the y values they are critical
> > >
> > > Mick
> >
> >
> >
>
>
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