[Squeakland] clear object-specific pen trails

Alan Kay alan.kay at squeakland.org
Thu Jun 2 05:52:52 PDT 2005


Hi Folks --

You know, in Tweak, we should probably just extrude real objects for pen 
trails (or maybe paint a separate object ....)

Cheers,

Alan

--------------


At 05:58 PM 6/1/2005, Scott Wallace wrote:
>At 12:29 PM -0500 6/1/05, Randy Heiland wrote:
> >Maybe I'm missing the obvious once again, but I would like to be able to
> >clear only those pen trails associated with a particular object, as opposed
> >to "clear all pen trails".  How might I do this, oh great Squeakers?
>
>Hi, Randy,
>
>The short answer is:  sorry, there's no way to do this.
>
>The situation here is much like footprints in the sand on the beach:
>if Bob's footprints get crossed and thus obliterated by Wendy's later
>footsteps, there's no way that one can recover Bob's earlier
>footprints.
>
>And if even if one had a way of remembering exactly where Bob's
>footprints had been, it would not do to "erase" them, because that
>would compromise the appearance of the footprints later put down by
>Wendy.
>
>Sorry,
>
>   -- Scott
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