Subject:
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Re: Error Diffusion Dithering in LEGO (ministeck) mosaics
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Newsgroups:
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lugnet.build.mosaic
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Date:
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Tue, 1 Feb 2005 21:30:05 GMT
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Viewed:
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6814 times
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In lugnet.build.mosaic, Corey Sanders wrote:
> Just for fun, I took that image and converted it to mosaic form with the
> techniques I've been experimenting with. Instead of limiting the colors to
> the ones you did, I limited the colors to the ones in my collection / the
> ones easily available and relatively cheap on bricklink. Here's the result:
>
> <<http://www.brickitgood.com/comparediaz.jpg>>
>
> To me this is a poor test since the picture is so huge it would be quite a
> large piece of work. I think a truer test of a dithering algorithm is
> creating very small yet recognizable mosaics.
>
> Corey
Just for fun, I downloaded your image and tried to find the colours you used,
and I came up with the following list:
pink, tan, earth orange, orange, white, medium blue, light yellow, light grey,
grey, dark grey, sand green, dark orange, brown, black, sand red, dark red, red,
green, sand blue, navy blue. Maybe I missed a colour (or missnamed one), and I
didn't find yellow or blue (weird).
If you really have 1x1 bricks/plates in all these colours than I truly envy you
(pink!?!).
I had 1x1 plates in medium blue, light grey, sand green, sand blue (approx. 300
each) - I found them at the bottom of the pick-and-mix boxes in Belgium (5
euro/literbag), so obviously I implemented them in my Level 42-mosaic. But all
the other elements required for that mosaic were bought in Billund last August.
I knew approximately what was available over there, so that is exactly the
reason why I reduced the colour-scheme to black, blue, red, yellow, white, light
grey, grey, dark grey, tan, brown and orange. (and I think I am not the only one
with a restricted amount of colours)
I don't like to make small mosaics (don't know why); so to me this is not a poor
example. Size 160x192 (which is by the way only 6 ministeck baseplates) compared
to 152x310 of my Level 42 mosaic (took me 3 months to build).
And yes, your images look better than mine. If your program is better than mine,
I will not argue with that. Fact is I am not a programmer and I like to make
mosaics. In the end I am very proud of the results of my "program". I tried to
program the Floyd-Steinberg algorythm (with success) which is designed for
computers and printers (colour-reduction = less memory required), not for
artists. I can assure you that I'm still interested in other algorythms... if I
can find them ;-(.
Maarten
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Message has 1 Reply:
 | | Re: Error Diffusion Dithering in LEGO (ministeck) mosaics
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| (...) Here are the colors I used: black, blue, brown, dark gray, dark orange, dark red, gray, green, lime, very light gray, light yellow, medium blue, orange, red, sand blue, sand green, tan, white, yellow, dark blue, pink, and medium orange. I (...) (20 years ago, 2-Feb-05, to lugnet.build.mosaic)
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