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With a photocopier, enlarge or reduce the picture so that it is
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close to the best size (as stated above). Then, use a wide black
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marker to "highlight" the lines and contours (this may not be
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necessary if the picture came from a colouring book). If there is
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a background image that you want to remove, just cut and tape white
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paper over those areas or just cut out the undesired areas. This
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is important since the "junk" you would otherwise leave in would
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eventually interfere with the grid.
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When the lines are all really dark and just about all the
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background has been removed you can photocopy the new picture on
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the grid. You may have to experiment a few times to get the
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picture to come out the same as the original on an upside up grid.
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When you have such an image you can now bring up the electronic
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grid. Work at it from left to right and from top to bottom. Put
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your word processor on typeover and space over the characters of
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the first line until you get to a character that is partially or
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completely covered by a dark line on the paper grid. Use the 1 to
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5 and the A to P to locate the correct position. When you get to
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such a character, try to find a character that resembles the shape
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of the line and type that in. Ex: '8' for a character that is
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totally covered, 'a' for a character that has the bottom half
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covered, etc. This is actually starting the smoothing process at
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the same time you are converting from paper to screen. Remember
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that shading complicates things unnecessarily, so ignore it
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completely.
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Repeat this process for all the lines of the grid until the picture
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is completely transferred to electronic form. You don't need to be
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an artist do this. You just need to have some time on your hands.
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Of course at this point the ascii picture is still slightly rough,
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but at least you have the right proportions, etc. Now you could
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try to smooth it out by using the "weight distribution" technique
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described above and perhaps a printed version of one of the ascii
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pictures I have smoothed (for concrete examples).
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It may sound very complicated at first, but just to give you an
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example, the ying yang I did (a few people informed me that I had
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forgotten the eyes):
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.,ad88888888baa,
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,d8P""" ""9888ba.
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.a8" ,ad88888888888a
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aP' ,88888888888888888a
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,8" ,88888888888888888888,
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,8' (888888888( )888888888,
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,8' `8888888888888888888888
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8) `888888888888888888888,
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8 "8888888888888888888)
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8 `888888888888888888)
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8) "8888888888888888
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(b "88888888888888'
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`8, (8) 8888888888888)
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"8a ,888888888888)
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V8, d88888888888"
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`8b, ,d8888888888P'
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`V8a, ,ad8888888888P' Normand
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""88888888888888888P" Veilleux
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""""""""""""
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took just over half an hour using that technique. I hope a few of
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you will be interested enough to try it out. If you do, let us
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know how it goes.
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EXPERIMENT: Would someone with access to a scanner and the
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GIF2ASC program (or an OCR) try the following:
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take a picture from a colouring book, scan it and
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then convert it to ascii. Alternatively, tell your
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scanner that what you are scanning is text, if you
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have an OCR. I am under the impression that the
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results would be quite presentable. Of course,
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sometimes theory and practice differ considerably.
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Please post your findings.
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From: Normand Veilleux <nveilleu@emr1.emr.ca>
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Date: 27 Jun 1994 20:26:35 -0500
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I have seen several ascii versions of the Mona Lisa circulating in
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alt.ascii-art but I was not happy with any of them. They all
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appeared to be converted GIFs and even the best one, which was
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distinctly superior to all the others, only looked decent when I
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stood back at least 5 feet from it. It also had the drawback of
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being stretched vertically. So I decided to make my own.
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I also wanted to take this opportunity to give a concrete example
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of how the special grid technique that I use, accelerates and
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simplifies the creation of many ASCII drawings. I wanted to
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explain, as much as possible, what was involved in drawing by
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"hand" the ASCII version of a relatively complex picture while
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starting from scratch.
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I have described the grid technique in a previous post (in Jan.
|
'94), but a recapitulation is necessary before going any further.
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Basically, the grid was nothing more than a series of characters
|
that filled up the area taken by the drawing. I realized that the
|
characters composing the grid would be more useful if they were
|
chosen to help pinpoint where a particular portion of the drawing
|
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