[Etoys] DRGEOII and ODECo on OLPC

Hilaire Fernandes hilaire at ofset.org
Sat Jul 7 03:30:05 EDT 2007

I am not sure exactly what is an activity. If an activity is more like
an application in its own, I may think latest version of DrGeoII (what
I call DrGeoI-service) is not anymore only in that category.

First version of DrGeoII was like an application on its own with a
system window. But it was not the best option to compose your own
educative resource or learning activity. For example to create an
interactive book (ie BookMorph) about geometry, you may want to have
interactive geometry canvases (kind of PasteUpMoprh) you want to
insert in pages of the interactive book. Then you want to dispose in
the same page a few icon buttons to manipulate the canvas.

See screen shots:

The good news is that DrGeoII only use Morph (with same abstraction
layer), so from the geometry canvas you can do really what you use to
do with Morph, and of course you can plug any additional Morph in the
geometry canvas (Text, Image, video, Conncector between geometric
object or even plug another geometry canvas...)


2007/7/6, Bert Freudenberg <bert at freudenbergs.de>:
> My rule of thumb would be that something that would benefit more
> activities or etoys in general should be included in the base system.
> Something that is more like an activity itself should be an activity
> on its own.
> I have not looked at either DrGeoII nor ODECo in detail, but I'd say
> DrGeoII would make a nice activity, whereas having ODECo would be
> nice in general.
> - Bert -
> On Jul 6, 2007, at 19:48 , Takashi Yamamiya wrote:
> > Hi Patricio,
> >
> > I don't think that including DrgeoII or ODECo is very good idea.
> > I prefer rather a small core image. And it is good
> > if those application would be provided separately.
> > It is more flexible and easy to update than one large distribution.
> > Bert should have more clear idea.
> >
> > Cheers,
> > - Takashi
> >
> >>   has appeared in this list   new tools working in the image olpc,
> >> such
> >> as DrgeoII, ODECO (I wanted to see squeleton, too).
> >>  My question is:  these tools will be in the next/definitive
> >> version, or
> >> the size of the image grows too much?
> >> thanks
> >> Patricio Acevedo
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