These two methods are sent by CircleMorph>>extent: in package Morphic-Basic,
so moving them from Etoys to Morphic seems the the right thing to do. Does
anyone disagree?

Note that #center and #rotationCenter are not the same for a CircleMorph,
and we have other implementers of #rotationCenter: in Morphic already.

Dave


On Mon, Jun 11, 2018 at 07:54:32AM +0200, H. Hirzel wrote:
> Package Morphic as the receiver of this change needs an update as well.
> 
> On 6/11/18, H. Hirzel <hannes.hirzel at gmail.com> wrote:
> > The two methods
> >
> >
> > Morph rotationCenter and
> > Morph rotationCenter:
> >
> > need to be moved from the  'Etoys-geometry' category to the
> > 'geometry' category in order to avoid an immediate crash after
> > unloading Etoys.
> >
> > See http://wiki.squeak.org/squeak/1156
> >
> > I am not sure how this re-categorisation has to be done.
> >
> > On Mon, 11 Jun 2018 05:47:31 0000, commits at source.squeak.org
> > <commits at source.squeak.org> wrote:
> >> A new version of EToys was added to project The Inbox:
> >> http://source.squeak.org/inbox/EToys-hjh.333.mcz
> >>
> >> ==================== Summary ====================
> >>
> >> Name: EToys-hjh.333
> >> Author: hjh
> >> Time: 11 June 2018, 7:47:07.644259 am
> >> UUID: 1872ec0f-374c-4d8a-a701-f118fb19ae40
> >> Ancestors: EToys-nice.332
> >>
> >> Move methods
> >> Morph rotationCenter and rotationCenter:
> >> from 'Etoys-geometry' to 'geometry'
> >>
> >> =============== Diff against EToys-nice.332 ===============
> >>
> >> Item was removed:
> >> - ----- Method: Morph>>rotationCenter (in category '*Etoys-geometry')
> >> -----
> >> - rotationCenter
> >> - 	"Return the rotation center of the receiver. The rotation center
> >> defines
> >> the relative offset inside the receiver's bounds for locating the
> >> reference
> >> position."
> >> - 	^self valueOfProperty: #rotationCenter ifAbsent:[0.5 at 0.5]
> >> - !
> >>
> >> Item was removed:
> >> - ----- Method: Morph>>rotationCenter: (in category '*Etoys-geometry')
> >> -----
> >> - rotationCenter: aPointOrNil
> >> - 	"Set the new rotation center of the receiver. The rotation center
> >> defines
> >> the relative offset inside the receiver's bounds for locating the
> >> reference
> >> position."
> >> - 	aPointOrNil isNil
> >> - 		ifTrue:[self removeProperty: #rotationCenter]
> >> - 		ifFalse:[self setProperty: #rotationCenter toValue: aPointOrNil]
> >> - !
> >>
> >>
> >>
> >
>