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How To Make A Tiling Image
Chapter 4: How To Make Realistic TilesA very common situation is when you want to tile an image contain real
objects. For example:
- On a money-making web site, you might want to tile pictures of dollar
bills.
- On a site about gardening, you might want to tile
pictures of leaves or flowers
- ...And so on.
So what happens if you take make a tile of a picture of this type?
First, we start with our original image:
Next, we convert it to a tiling image, using the technique described in
Chapter 2 of this tutorial:
And when we place tiles of those images next to each other, this is
what it comes out looking like:
While this okay, it doesn't look quite right, because if you look carefully
at the images, there are some rather obvious oddities (like half-leaves joined
together in a funny-looking way).
(These oddities, are even more obviously if you
review this image in a full browser window).
So what can we do to get a better result?
This time, we'll start with a slightly different image. If you look carefully
you'll notice that this is a very similar image
to that in the previous example, except I've made sure that the image
also contains lots of whole objects (in this case, leaves) that are completely
within the boundaries of the tile, and go pretty close to the edges
(but without going over).
Next, we convert this image to a tiling image, using the technique described in
Chapter 2 of this tutorial:
And when we place tiles of those images next to each other, this is
what it comes out looking like:
This time, while there are still some oddities on the boundaries between
tiles, they are rather less obvious to the eye. A big improvement, I
think that you'll agree!
(Try
reviewing this image in a full browser window,
and this difference should be even clearer).
In the next Chapter, I'll also show a simple
trick to making the tiling effect less obvious, which when combined with
the techique from this Chapter, really can produce nice results.
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