Seamless textures...

Dwight M. Evers

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Feb 18, 1998, 3:00:00 AM2/18/98

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What is the best method people have seen for making seamless texture
maps?

Specifically, I want to make them in Paint and use them in Dream.

-Dwight

Robert Dawson

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Feb 20, 1998, 3:00:00 AM2/20/98

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Dwight M. Evers <dme...@bitstream.net> wrote in article
<34EBC909...@bitstream.net>...

> What is the best method people have seen for making seamless texture
> maps?
>
> Specifically, I want to make them in Paint and use them in Dream.

Terrazzo will do this nicely, but will feather the edges to make the tile
smooth; this may muzz up some designs.

Something that I'd love to see in Paint is a feature, applicable to as
many tools as possible, that would make painting wrap around a rectangular
region (thus making the output tilable). There ought to be no real problem
with brushes, masks, clone, image sprayer, effect tool, transparency, text,
uniform fill, bitmap fill [for appropriate rectangle sizes], rectangle,
triangle, ellipse, line, and many of the special effects.

This would allow effects that are currently difficult, such as tiled
textures with features that stretch across several tiles continuously.

Some effects (bitmap fill in the general case, texture fill, and gradient
fill) would not be easy to modify for a smooth boundary; they probably
ought to be left to act as they do now, except that they would be
restricted to one period module and then repeated (again, Terrazzo-style).

Slightly more ambitious would be extending this to *all* symmetry groups
of the plane. This could be implemented an extension of the Brush Symmetry
roll-up, with more symmetries and affecting more tools. After all, tilings
and radial symmetries are just two special cases of plane symmetry groups!
A Terrazzo-like interface would make it easy and intuitive to use.

A truly powerful implementation might go as far as a periodicity-aware
version of such things as Mesh Warp and Pinch-Punch, working within a
period module rather than on the whole image, and allowing the boundaries
of the module to be warped where allowed by the symmetry group.

With the widespread interest in tilable textures for Web pages, etc, such
a feature would be widely used.

-Robert Dawson

Dan Ritchie

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Feb 21, 1998, 3:00:00 AM2/21/98

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Robert Dawson wrote:
> > What is the best method people have seen for making seamless texture
> > maps?
> >
> > Specifically, I want to make them in Paint and use them in Dream.

Don't forget about the great texture generator that came with corel. It
creates tileable textures of surfaces like wood, stone, metal, etc.

Viet-Tam Luu

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Mar 27, 1998, 3:00:00 AM3/27/98

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I start out with my texture bitmap, do a 50% Offset on it (this moves the
edges to the center of the image) and use the blend, smear, and clone tools
to manually fix up the seam. And of course the edges are seamless because
they used to be in the middle of the image.

_VTL_______________________________________________________________________
Viet-Tam Luu, 3B CompSci | "Look to love / you may dream / and if it should
University of Waterloo | leave / then give it wings. / But if such a love
http://www.csclub. | is meant to be: / Hope is home, and the heart is
uwaterloo.ca/u/vtluu/ | free." - Roma Ryan & Enya, "Hope Has A Place"

Dwight M. Evers wrote in message <34EBC909...@bitstream.net>...

>What is the best method people have seen for making seamless texture
>maps?
>
>Specifically, I want to make them in Paint and use them in Dream.
>

>-Dwight
>