Josh English wrote:

> Were you listening to 'Footprints' by Paul McCartney? That song comes to mind
> when I see this. Beautiful work.

Thank you.  Actually, I was listening to Schubert's Winterreise, lyrics by

to precisely express the mood of the poem set, so I am sure many songs fit the
image quite accurately.

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Kevin

Lovely text (Winterreise). Yes,  I thought I recognized Thom's Trees.
Yesterday I was going to only say great, beautiful, etc.
Still true but now I think the grass is way too tall.

If you post the source I will most definitely look at it. I would
love to be able to manipulate isosurfaces so skillfully.

Peter
war### [at] hotmailcom

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Peter Warren wrote:

>  Kevin
>
> Lovely text (Winterreise). Yes,  I thought I recognized Thom's Trees.
> Yesterday I was going to only say great, beautiful, etc.
> Still true but now I think the grass is way too tall.

I never thought of that, but now that you mention it I can see what you
mean.  Although I have seen grasses as tall as those in the image, they
certainly didn't have quite as simple a form, so rather than shortening
the grass, I will probably work on making it look appropriate for a tall
species of grass.

>
>
> If you post the source I will most definitely look at it. I would
> love to be able to manipulate isosurfaces so skillfully.

Thank you!  I have posted the source to p.b.s-f

>
>
> Peter
> war### [at] hotmailcom

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Where can I get my hands on the tree macro? Is there a link still good for it?

Andy

Kevin Wampler wrote:

> Thank you all very much for your comments so far, I thought that I would
> answer some of the questions that have come up.
>
> The snow is an isosurface (including the ridges, that's not a texture) which
> probably was not the best way to do things since it took forever to render.
> The footsteps were created by the combination of a couple of variations on
> exp(-x^2-z^2).  The snow pileups at the base of the trees were created in a
> similar manner.  Each of the footprints and each of the snow pileups is
> actually a separate isosurface, since if I put all of the math functions
> together into one isosurface it renders much too slowly.
>
> The snowflakes are just a bunch of small, striated spheres with a marble
> texture so that they are white near the center and clear at each of the
> edges, I was pretty pleased with how well this simulated motion blur.
>
> If I didn't explain that well enough, of if anyone is still interested, I can
> post the source, after I clean it up a bit that is.
>
> To give credit where credit is due, the trees were created with Thom Aust's
> tree macro (old version) and the scene was rendered in Megapov 0.3.

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Andy Woodfin wrote:
> 
> Where can I get my hands on the tree macro? Is there a link still good for it?
> 
> Andy

Try here - http://www.koeln.netsurf.de/~thom.aust/

-- 
Ken Tyler -  1300+ Povray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/

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Danke, Onkel Ken. It was probably on your links page now that I think about it, but
I got lazy so I figured I'd just ask.

Andy

Ken wrote:

> Andy Woodfin wrote:
> >
> > Where can I get my hands on the tree macro? Is there a link still good for it?
> >
> > Andy
>
> Try here - http://www.koeln.netsurf.de/~thom.aust/
>
> --
> Ken Tyler -  1300+ Povray, Graphics, 3D Rendering, and Raytracing Links:
> http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/

--
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Andy Woodfin
Try my utility TGAMosaic, go to http://www.coe.uncc.edu/~adwoodfi
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