- From: Don <dlarson@cgmlarson.com>
- Date: Wed, 19 Nov 2008 08:58:21 -0600
- To: "Bezaire, Benoit" <bbezaire@ptc.com>, WebCGM WG <public-webcgm-wg@w3.org>
Benoit, I am good with Dieter's recollections. They are consistant with what I recall also. Don. > If users are aware of that, I'm fine with it. > > Benoit. > > From: Weidenbrueck, Dieter > Sent: Tuesday, November 18, 2008 6:02 PM > To: Bezaire, Benoit; WebCGM WG > Subject: RE: More on getObjectExtent() > > > Benoit, > > please see inline (as far as my recollection goes) > > Regards, > Dieter > > From: public-webcgm-wg-request@w3.org > [mailto:public-webcgm-wg-request@w3.org] On Behalf Of Bezaire, Benoit > Sent: Dienstag, 18. November 2008 20:40 > To: WebCGM WG > Subject: RE: More on getObjectExtent() > > > One more question. I think we already talked about this and came to a > conclusion, but I wonder if the right decision was taken. > > Does getObjectExtent() include the 'viewcontext' APS attribute in its > calculation? > DW: No, it should contain the extent of the geometry only. > > I think we talked about this a while back and said 'no'. Again, the > current wording doesn't mention 'viewcontext' so I have to assume it's > not included. > DW: I agree. > > However, say I have the following scenario in test.cgm: > > test.cgm contains an APS called 'myTarget' with a 'viewcontext' larger > than its graphical primitives. > I can navigate directly to 'myTarget' with test.cgm#myTarget and I should > _zoom_ to the 'viewcontext' rectangle > DW: the correct behavior would be zoom + highlight to the viewcontext > rect > I can also use myPicture.setView( > myPicture.getAppStructureById("myTarget").getObjectExtent() ); > The second case would generate a different result compared to the first, > is that what we want? > DW: correct > > Benoit. > > From: public-webcgm-wg-request@w3.org > [mailto:public-webcgm-wg-request@w3.org] On Behalf Of Bezaire, Benoit > Sent: Tuesday, November 18, 2008 1:53 PM > To: WebCGM WG > Subject: More on getObjectExtent() > > > The wording says "[...] The bounding box calculation is based on the > abstract locus of the primitives within the APS." > What does 'abstract locus' mean? > > I'd like to know if getObjectExtent() returns a tight bounding box on a > given APS. i.e., given a polybezier, are control points part of the > bounding box calculations or not? > > Benoit.
Received on Wednesday, 19 November 2008 15:05:39 UTC