Backupsss? Backupsss? We don't need no stinkin' backupsss! Actually, based
on the isosurphace information you led me to I wrote a macro for applying
displacement mapping to the surface of my walls. It's looking really nice
(even a decently realistic render with the render quality set at 4). I just
have to figure out how to round off the edges now... Very sharp and deadly
walls in this place.

Thanks!

"Chris Huff" <chr### [at] maccom> wrote in message
news:chrishuff-915E10.13141216082000@news.povray.org...
> In article <399ac844@news.povray.org>, "D.J. Brown"
> <ext### [at] hotmailcom> wrote:
>
> > Wouldn't you know... I decided that I should convert them all to
> > height-fields and I spent the past hour redoing my architecture when
> > all I needed to do was put "normal on" in the radiosity block. Then
> > again... I guess I haven't lost any time since I would've checked the
> > newsgroup at the same time and been just as far along. Thanks for the
> > plethora of info.
>
> Ouch...I hope you saved the original scene file first.
>
>
> > Let me see if I have this correct on iso-surfaces... Basically, it
> > evaluates a function at points x, y, z inside my bounding region and
> > creates a surface point with that if my function evaluates at or
> > above a certain threshold? Or does it create a mesh like the
> > height-field does? Or does it simply refer to the provided function
> > every time it calculates a point... creating a pseudo-infinitely
> > detailed surface?
>
> It uses the provided function every time it needs to calculate a point.
> By default, points with a value higher than the threshold are inside the
> surface, lower values are outside, and the algorithm "searches" along
> the ray for the intersection points. It is not tesselated to triangles,
> it is a surface just like a sphere or cone primitive, though the solving
> method is very different from any other primitive in the official
> version.
>
> --
> Christopher James Huff
> Personal: e-mail chr### [at] maccom, Web page
http://homepage.mac.com/chrishuff/
> TAG: e-mail chr### [at] tagpovrayorg, Web page http://tag.povray.org/
>
> ><>

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