From: Debbie Garside (debbie@ictmarketing.co.uk)
Date: Wed Mar 25 2009 - 03:48:07 CST
When I was teaching DTP some 15 years ago, I used Gutenberg's Reading
Patterns; which at its most basic consists of Primary Optical Area, Terminal
Anchor and Fallow Corners when looking at a page/graphic/sign.  The Primary
optical Area is different according to the writing system used e.g. if you
write LTR then the POA is on the top Left with the Terminal Anchor bottom
right; the fallow corners for RTL being the top right and bottom left.  The
reverse is true for RTL readers.
I used a specific test on my students that proved 100% (over a nuber of
years) that Gutenberg's reading pattern works if adhered to for design
purposes.
Debbie Garside
-----Original Message-----
From: unicode-bounce@unicode.org [mailto:unicode-bounce@unicode.org] On
Behalf Of Mark E. Shoulson
Sent: 24 March 2009 17:19
To: unicode@unicode.org
Subject: Re: writing direction
Vinod Kumar wrote:
>
> Now consider the incoming traffic. ...
>
> Now consider driving along, reading the sign boards on the side of
> the road you are on. ...
>
It would seem to me that where writing-system direction comes into play 
would mainly be for signs, which would mostly be on the side of the road 
that you are on.  I would think it would be most helpful if the reading 
direction would lead your eye back onto the road, so driving on the left 
would work for LTR languages and on the right for RTL languages.  But 
the effect is so small, who cares...
I remember in a class on presentations once they told me that when 
presenting and referring to a slide being projected on the screen, you 
should stand on the right side of the screen (right side as you face the 
audience; the audience's left) and gesture or point at the slide using 
your left hand.  That way the reader easily moves from you to what 
you're pointing to, and at the beginning of the line.
~mark
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