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Reply-To: "CeeJay" <newsgroups (at) ceejay.cjb.net>
From: "CeeJay" <newsgroups@ceejay.cjb.nOt>
Newsgroups: alt.ascii-art
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Subject: Re: JavE discussion
Date: Thu, 8 Nov 2001 00:16:25 +0100
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Xref: archiver1.google.com alt.ascii-art:9820

I while thinking hard about new possible JavE feature and algorithms I read some
tutorials by great ascii-artist that had some good input on how to create
images.
Inout that could help in the creation of an automated tool (like JavE) for some
of things they describe :

Rowan Crawford talks about a lot of subjects ..
http://users.inetw.net/~mullen/crateach.htm

What interested me here was perspective/3D drawing (although he said nothing
much I did'nt knew already)
His inputs about shading chars (I still haven't found the perfect chars for this
yet .. but as you know I generally prefer a simple charset that seem smooth to
the eye)
And this about solid drawing where he uses lowercase letter to create a
halfheight solid line (compare to f.x. JavE's "thick" and "thin" lines)

"
    anpoan
   dHP
  dHP
 dHBooan
 "
I tried to do more of this kind of thin .. but still not quite linedrawing

 oooo
 8  8
 8oo8

      .oo.
    o      o
  8          8
 8            8
 8            8
  8          8
    o      o
      'oo'

 .o0o..o0o.

 '*0*''*0*'




Normand Veilleux talk a lot about smoothing ascii-art in his tutorial
http://users.inetw.net/~mullen/veiteach.htm

..but I guess you (Mr. Gebhard) already know this as JavE does much of the same
stuff in the same way.
He also talks about lightening and darkening an ascii-picture ( a feature I had
just thought of myself before I read this).
He writes he developed pseudocode for it, but alas it will be hard to contact
him to get the code .. because as far as I know he's dead.
Maybe he mentioned his code to someone before ..

Anyhow as I see it , lightening and darkening a ascii picture will be a matter
of replacing chars normally used for shading with other chars that have a
lighter or darker appearence.

It could both be a tool that changed the entire screen at once and a
lighten/darken brush.

Speaking of brushes ..
How about outline cursors .. like how Photoshop uses does (can do)

f.x with line , dot and char linedrawing the cross cursor would be fine, but
with thick1 , 2 and 3 a circle showing the aproximated size of the brush would
be better IMO.

A little like how the Eraser tool does .. only with a real circle.


more on brushes .. I think a smoothing tool to smooth :

      XXX
   XXXXXX
XXXXXXXXX

into

      .o0
   .o0000
.o0000000

Should probably also be a brush-type of tool as well as a tool that does the
entire screen/selection

.. I'll end here..

I'm gonna get back into my think tank to develop a algorithm for good circles

Cheers
CeeJay