QUESTION: about 'move' centering behavior. [was Re: [cgmo-webcgm] WebCGM20-CD2 - Review of Chapter 3]

[Lofton Henderson <lofton@rockynet.com>]

At 02:31 PM 9/21/2005 +0200, Ulrich Laesche wrote:
>3) In section 2.1.2.4.3 it says: "move - The viewer shall move (pan) the
>illustration such that the target rectangle is centered inside the viewer's
>rectangle. If the target rectangle is too large, the viewer shall fit the
>target rectangle into the viewer's rectangle and center it."  What if the
>viewer rectangle is larger than the target rectangle and if the target
>rectangle is too close to the image border to be centered within the viewer
>rectangle?  In MetaWeb we currently move the target rectangle AS CLOSELY AS
>POSSIBLE into the center while respecting the image borders.  This may be
>implied already in the description though.

Good point.

SUGGESTION:  clarify the wording of 'move'.  The centering operation of 
'move' shouldn't require to move the edge of the VDC Extent (the image 
border) significantly into the viewer rectangle, should it?

Regards,
-Lofton.