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SW-L  October 2010

SW-L October 2010

Subject:

Understanding the rules for centering a sign

From:

Steve Slevinski <[log in to unmask]>

Reply-To:

SignWriting List: Read and Write Sign Languages

Date:

Sat, 9 Oct 2010 06:46:38 -0500

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (40 lines)

  Hi Val,

I'd like to discuss the way SignPuddle centers a sign? The center is
used to align signs for text layout.

To determine the center of a sign with an algorithm, select the
important symbols and create a smallest possible rectangle (a bounding
box) around only those symbols. This bounding box represents the center
of the sign. The absolute center of the bounding box is the center of
the sign.

I'm currently using 2 levels of symbol detection. Either there are head
& trunk symbols or not. If there are head or trunk symbols in a sign,
only the head and trunk symbols are selected and enclosed by the
centering bounding box