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Subject: Feedback on transform proposal (was RE: [cgmo-webcgm] Telecon REMINDER - agenda)


Hello,

Here is more feedback on the transform proposal...

About the move() API... why is this not a translate() API? Is there a specific reason? I ask because a translate can be expressed in a 3x3 matrix, a move can't.

About the scale() API... can x/y be negative? i.e., mirror or do we stick with > 0? (note a center point is also needed here, same as rotation question)

About the transform() API... I'm not sure I understand. We see parameters a..f similar to a 3x3 matrix, but the description talks about a motion path? Are we attempting to do a general matrix transform, or is the intent to do a motion along a path? We talked about both, that's why I'm asking.

Kind regards,
Benoit. 

-----Original Message-----
From: Ulrich Laesche [mailto:ulrich@ematek.de] 
Sent: Wednesday, October 24, 2007 7:28 AM
To: 'CGM Open WebCGM TC'
Subject: AW: [cgmo-webcgm] Telecon REMINDER - agenda

Dear All,

Attached is a Word document containing a draft transform interface description.  I added a few comments to the team's document based on what was discussed at the last phone conference.

Hope this helps
Ulrich


-----Ursprüngliche Nachricht-----
Von: Cruikshank, David W [mailto:david.w.cruikshank@boeing.com]
Gesendet: Dienstag, 23. Oktober 2007 00:31
An: CGM Open WebCGM TC
Betreff: [cgmo-webcgm] Telecon REMINDER - agenda

Please send regrets if you can't make it, BUT please try to participate, if possible.
We will be making decisions concerning:
1) WebCGM 2.1 go ahead
2) Provisional approval of requirement elements

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Thx...Dave
 <<20071024_WebCGM_TC_Telecon_agenda.doc>>
Technical Fellow - Graphics/Digital Data Interchange Boeing Commercial Airplane 206.544.3560, fax 206.662.3734 david.w.cruikshank@boeing.com



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