Pinholes are planned to return, indeed. But they will not return in the way that they once were there. That is, they will be a more advanced feature and will only come in if you explicitly start using them (details forthcoming).
Robby On Fri, Jun 25, 2010 at 6:51 PM, Paul Ojanen <engin...@alum.mit.edu> wrote: > I got the impression from past discussions that pinholes would return. > > > > ________________________________ > > From: users-boun...@racket-lang.org [mailto:users-boun...@racket-lang.org] > On Behalf Of Stephen Bloch > Sent: Friday, June 25, 2010 11:13 AM > To: PLT-Scheme Mailing List > Subject: [racket] confusing graphics primitives in 2htdp/image > > > > There are a whole lot of graphics operations in 2htdp/image, and many of > them come in pairs: overlay/xy and place-image, add-line and scene+line, > add-curve and scene+curve, etc. that differ mainly in whether or not they > crop the result to the bounding box of one of the images. (They sometimes > differ in how they interpret coordinates -- whether measured from the center > or the top-left of one of the images.) Since the disappearance of pinholes, > the "scene" datatype doesn't serve much purpose any more. Would it make > sense to use a consistent and compositional naming scheme, e.g. > add-line/crop, add-curve/crop, etc? > > Stephen Bloch > > sbl...@adelphi.edu > > > > > > > > _________________________________________________ > For list-related administrative tasks: > http://lists.racket-lang.org/listinfo/users > _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
