RE: [cgmo-webcgm] ISSUE: get object extents

["Weidenbrueck, Dieter" <dweidenbrueck@ptc.com>]

Lofton,

re 2)
You are right, this is what I had in mind, NVDC coordinates.

Dieter

-----Original Message-----
From: Lofton Henderson [mailto:lofton@rockynet.com] 
Sent: Donnerstag, 13. Dezember 2007 14:10
To: CGM Open WebCGM TC
Subject: RE: [cgmo-webcgm] ISSUE: get object extents

Dieter opined about how to express the rectangle and Benoit agreed...

-----Original Message-----
>From: Weidenbrueck, Dieter [mailto:dweidenbrueck@ptc.com] [...] we 
>should express this extent the same way we express the rectangle of a 
>view context IMO.

There are two details to define:

1.) Is the rectangle defined by two points or by min/max pairs?  I agree
with Dieter and Benoit that it should be like the Viewcontext (and
Region):  two points.

2.) What units?  Viewcontext and Region are expressed in VDC.  However,
all coordinates in WebCGM DOM transactions are NVDC [1].  IMO, the
coordinates returned by this inquiry method should be DOM-consistent:
NVDC.  (Perhaps Dieter and Benoit meant this, but I couldn't tell from
their messages.

[1]
http://www.w3.org/TR/2007/REC-webcgm20-20070130/WebCGM20-DOM.html#Coordi
nate

Regards,
-Lofton.

>-----Original Message-----
>From: Galt, Stuart A [mailto:stuart.a.galt@boeing.com]
>Sent: Mittwoch, 12. Dezember 2007 10:38
>To: Cruikshank, David W; CGM Open WebCGM TC
>Subject: RE: [cgmo-webcgm] ISSUE: get object extents
>
>Hello,
>
>For this one I think that we should add a method to either 5.7.4 (Node)

>or
>5.7.6 (WebCGMAppStructure).  Something along the lines of 
>getAppStructureExtents(); It would return the bounding rectangle of the

>APS.  Do we want to be returned as a rectangle in the same form that 
>would be used in region defined in 3.2.2.1?  Or do we want to return an

>array two pairs of numbers?
>We should also consider what units the numbers should be in and if 
>numerical precision or float/fixed/int changes the results.
>
>--
>Stuart Galt
>SGML Resource Group
>stuart.a.galt@boeing.com
>(206) 544-3656
>
> > -----Original Message-----
> > From: Cruikshank, David W
> > Sent: Tuesday, December 11, 2007 12:11 PM
> > To: CGM Open WebCGM TC
> > Subject: [cgmo-webcgm] ISSUE: get object extents
> >
> > Design method for get Object Extents.
> >
> > I presume this is a APS method.
> >
> > Dave
> >
> > 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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