Binary SignWriting revision 3 update

[Charles Butler]

But how would one show lanes in a polar writing.  If one needs multiple lanes to show a sign, say in the name sign Carmen Miranda, is it the center of the sign or the center of the sign component that one is showing.  Just trying to make sure I understand cartesian vs polar.  Is this is terms of the whole map of the objects in a sign, or each individual sign in a defined grid.  Is this like Hangul in which a construction method is being used to show where all the components are in relation to each other, or in relation to an invisible box.  


________________________________
From: Ingvild Roald <iroald at HOTMAIL.COM>
To: SW-L at LISTSERV.VALENCIACC.EDU
Sent: Thu, June 17, 2010 5:32:49 AM
Subject: Re: Binary SignWriting revision 3 update

 Would not the polar version make it easier to change size - just one parameter to change (distance), not all as in Cartesian?

Ingvild 


 
________________________________
 Date: Wed, 16 Jun 2010 14:06:07 -0500
From: slevin at SIGNPUDDLE.NET
Subject: Re: Binary SignWriting revision 3 update
To: SW-L at LISTSERV.VALENCIACC.EDU

Hi Adam,

Unfortunately, it's a 2 step process right now.

The first page converts BSW 2008 to BSW 2010:
http://signbank.org/iswa_dev/convert/example.php

The second page converts BSW 2010 to BSW 3:
http://signbank.org/iswa_dev/convert/bsw3.php

Section 4 of the conversion document links to both pages.
http://signbank.org/iswa_dev/convert/


Speaking of conversions, building on the idea of encoding the symbols, but not the layout, I've created 2 different markups that will be able to use my proposed Unicode implementation.  One Cartesian and the other Polar.  These markups can be created from any SignPuddle data.  

If we consider "Hello world." in ASL...



The Cartesian markup uses XY coordinates, where the coordinates represent the top,left of the symbol position.

SignWriting Cartesian Markup
---------------------------------------
B-19,-293,-11 B-11,12-18,-106,-7-2,-30 


The Polar markup uses degrees and distance from the center of the sign, where the coordinates represent the center of the symbol position.  12 o'clock is 0° and increases clockwise.  So 3 o'clock is 90°, 6 o'clock is 180, and 9 o'clock is 270.  It may be very interesting to analyze the Polar markup.

SignWriting Polar Markup
----------------------------------
B330°16129°14 B169°21252°680°1119°21 

Thought I'd share,
-Steve
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