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Subject: RE: [cgmo-webcgm] Comments on Style attributes


Yes, I took Stuart's DOM/XCF column. Sorry for the confusion.


From: Cruikshank, David W [mailto:david.w.cruikshank@boeing.com]
Sent: Thursday, October 04, 2007 2:14 PM
To: Lofton Henderson; Bezaire, Benoit; cgmo-webcgm@lists.oasis-open.org
Subject: RE: [cgmo-webcgm] Comments on Style attributes

Just to clarify.  one of the column in Stuart's table refers to overriding defaults via a "preferences file" and the other refers to DOM interface.  We're only commenting on the DOM interface column here, right?
 
Dave
 

Technical Fellow - Graphics/Digital Data Interchange
Boeing Commercial Airplane
206.544.3560, fax 206.662.3734
david.w.cruikshank@boeing.com

 


From: Lofton Henderson [mailto:lofton@rockynet.com]
Sent: Thursday, October 04, 2007 9:53 AM
To: Bezaire, Benoit; cgmo-webcgm@lists.oasis-open.org
Subject: Re: [cgmo-webcgm] Comments on Style attributes

I generally agree with Benoit's suggestion to narrow it down to fewer attributes, targeted at *useful* use cases.  I'll try to make more specific comments later.

One question of clarification for now... Benoit, you said: "...I would dedicate resources to transparency and...".  I'm not sure I understand.  Are you referring to our documented potential 2.1 item to sort out the transparency mess -- many potentially conflicting transparency attributes with unexplained interactions?  Or something else?

-Lofton.

At 11:43 AM 10/4/2007 -0400, Bezaire, Benoit wrote:
[...]
Here is my feedback on the Style attributes document:
http://www.oasis-open.org/committees/download.php/25270/Attributes_Table.pdf
 
I can't speak for other implementers, but exposing all those attributes in a DOM interface or declarative animation is a lot of work. Why not try and narrow down the list? So far, I just don't see how a good number of the attributes help us achieve our list of requirements. I think some examples would help me a lot. Now this is just off the top of my head, but I think that a number of suggested animatable styles require a lot of development work (for our viewer). In the table below, I list my own preference:
 
Stuart's suggestion            Benoit's suggestions    Comments
Line Type                      Ok                      Could be used to show flow
Line Cap                       remove                  Isn't line type sufficient?
Line Join                      remove                  Isn't line type sufficient?
Line Type Continuation         remove                  Isn't line type sufficient?
Line Type Initial Offset       Ok                      Useful, but unclear, hard to implement.
Marker Type                    Ok                      Hard to implement
Marker Size                    Ok                      Hard to implement
Marker Colour                  Ok                      Hard to implement
Text Score Type                remove?                 Is anyone implementing this? test case?
Interior Style                 Ok
Hatch Index                    Ok
Pattern Index                  Ok
Edge Type                      Ok                      Never understood diff between line and edge.
Edge Visibility                remove                  Never understood diff between line and edge.
Edge Cap                       remove                  Isn't Edge Type sufficient?
Edge Join                      remove                  Isn't Edge Type sufficient?
Edge Type Continuation         remove                  Isn't Edge Type sufficient?
Edge Type Initial Offset       Ok                      unclear and hard to implement.
Fill Reference Point           remove                  Isn't changing the pattern/hatch enough?
 
Just a note. In my own personal opinion; I think I would dedicated resources to transparency and animation along a path as oppose to the Style attributes.
 
Feedback would be appreciated.
 
Regards,
Benoit


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