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From: Christoph Hormann
Subject: Playing with a heightfield... (69k)
Date: 24 Nov 2001 07:55:01
Message: <3BFF98A2.D1C9312D@gmx.de>
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Applying some filters to a heightfield led to an interesting result so i
decided to make a scene of it...
Focal blur got a bit grainy, but i wasn't patient enough for better
settings.
Christoph
--
Christoph Hormann <chr### [at] gmx de>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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Attachments:
Download 'hf_cubea.jpg' (69 KB)
Preview of image 'hf_cubea.jpg'
![hf_cubea.jpg](/povray.binaries.images/attachment/%3C3BFF98A2.D1C9312D%40gmx.de%3E/hf_cubea.jpg?ttop=443840&toff=10050&preview=1)
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"Christoph Hormann" <chr### [at] gmx de> wrote in message
news:3BFF98A2.D1C9312D@gmx.de...
>
> Applying some filters to a heightfield led to an interesting result so i
> decided to make a scene of it...
Height field? Guess it's the web-like sides of that cube then.
> Focal blur got a bit grainy, but i wasn't patient enough for better
> settings.
Where art is concerned it doesn't matter, and this image certainly has a
nice look to it. Being able to see some jaggies at the focal plane is
another matter IMHO ;-) Sorry, had to say it!
Bob H.
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I like this one! And the focal blur adds so much to the realism...
--
Jonathan.
"Christoph Hormann" <chr### [at] gmx de> ha scritto nel messaggio
news:3BFF98A2.D1C9312D@gmx.de...
>
> Applying some filters to a heightfield led to an interesting result so i
> decided to make a scene of it...
>
> Focal blur got a bit grainy, but i wasn't patient enough for better
> settings.
>
> Christoph
>
> --
> Christoph Hormann <chr### [at] gmx de>
> IsoWood include, radiosity tutorial, TransSkin and other
> things on: http://www.schunter.etc.tu-bs.de/~chris/
Post a reply to this message
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Very nice! What do you mean by "applying some filters" ?
Regards,
Hugo
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From: Christoph Hormann
Subject: Re: Playing with a heightfield... (69k)
Date: 24 Nov 2001 08:49:20
Message: <3BFFA560.99F45D2D@gmx.de>
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"Bob H." wrote:
>
> Height field? Guess it's the web-like sides of that cube then.
>
Yes, of course.
>
> Where art is concerned it doesn't matter, and this image certainly has a
> nice look to it. Being able to see some jaggies at the focal plane is
> another matter IMHO ;-) Sorry, had to say it!
>
That's probably a combination of missing antialiasing and jpeg artefacts,
maybe some smoothing afterwards would be good.
Christoph
--
Christoph Hormann <chr### [at] gmx de>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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From: Christoph Hormann
Subject: Re: Playing with a heightfield... (69k)
Date: 24 Nov 2001 08:52:05
Message: <3BFFA604.32EB6ED8@gmx.de>
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Hugo wrote:
>
> Very nice!
Thanks!
> What do you mean by "applying some filters" ?
Several matrix filters, mostly blurring. I don't remember the exact
sequence.
Christoph
--
Christoph Hormann <chr### [at] gmx de>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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From: Christoph Hormann
Subject: Re: Playing with a heightfield... (69k)
Date: 24 Nov 2001 08:52:46
Message: <3BFFA62C.D297E0CA@gmx.de>
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JRG wrote:
>
> I like this one! And the focal blur adds so much to the realism...
>
Thank you.
Christoph
--
Christoph Hormann <chr### [at] gmx de>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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Did you start with some *hand made* sketches? By "hand made" I mean made
with a paint program.
"Christoph Hormann" <chr### [at] gmx de> ha scritto nel messaggio
news:3BFFA604.32EB6ED8@gmx.de...
>
>
> Hugo wrote:
> >
> > Very nice!
>
> Thanks!
>
> > What do you mean by "applying some filters" ?
>
> Several matrix filters, mostly blurring. I don't remember the exact
> sequence.
>
> Christoph
>
> --
> Christoph Hormann <chr### [at] gmx de>
> IsoWood include, radiosity tutorial, TransSkin and other
> things on: http://www.schunter.etc.tu-bs.de/~chris/
Post a reply to this message
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From: Christoph Hormann
Subject: Re: Playing with a heightfield... (69k)
Date: 24 Nov 2001 09:48:09
Message: <3BFFB329.76B88127@gmx.de>
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JRG wrote:
>
> Did you start with some *hand made* sketches? By "hand made" I mean made
> with a paint program.
>
Not really, i used a faulting algorithm like described for example in:
http://www.lysator.liu.se/~johol/fwmg/fwmg.html
with very few iterations and applied a differentiation filter afterwards.
The result is similar to drawing some random lines.
Christoph
--
Christoph Hormann <chr### [at] gmx de>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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"Christoph Hormann" <chr### [at] gmx de> wrote in message
news:3BFF98A2.D1C9312D@gmx.de...
>
> Applying some filters to a heightfield led to an interesting result so i
> decided to make a scene of it...
>
> Focal blur got a bit grainy, but i wasn't patient enough for better
> settings.
>
> Christoph
It reminds me of a crystallization experiment of sodium acetate at my high
school's chemistry laboratory! Very pretty!
Fernando.
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