Re: [csjava-developer] Next versions of csimage package

[Toby D. <tj...@sf...>]

I suspect the feature list will get refined and changed over time, so there
is plenty of opportunity for the deadlines to become unreasonable. :-)

The animation library works, but has some small bugs. Hopefully someone wil=
l
volunteer to work on it. It's a lot of fun.

Here are my comments on TheMatixOrigin:

  - I don't think it's necessary to reset the coordinates, because I suspec=
t
it would be a rare thing to want to do. If a programmer needs to change the
coordinate system they can always make a copy and change the coordinates in
the copy. So once the coordinate system and origin is set, there are no
changes allowed.

  - Thus, there is no "panning" through an image. Although this would be a
neat feature to add later as a separate feature.

  - As you know, the "convertReal" and "convertFake" methods need to be
re-named (e.g. using the terminology I suggested in a previous message).

  - A demo file of a few very simple uses of the TheMatrixOrigin should als=
o
be included, so that programmers can understand how to use it by seeing som=
e
examples.

  - I wonder if the implementation be made simpler? Is there any way to
avoid over-riding so many methods? I haven't thought it through, but I
wonder if it's possible to have TheMatrixOrigin always assume that is in
user space, except for when it comes time to actually plot the points on th=
e
screen, when it converts to the screen coordinates. I'd like to be sure
about this particular point before committing any final changes to TheMatri=
x
proper.

Toby


On 5/15/05 9:06 PM, "Alex Tsai" <caf...@gm...> wrote:

> Hmm, that seems about right, the release dates are fairly generous as
> well.  IIRC the animation library is basically non-functional right
> now, so that gives plenty of time if it's by August.
>=20
> I have a question about coordinate system thing though - is the way it
> currently works fine?  (ie. when you set the origin, it is always
> relative to the machine space.)  I did look into the Graphics2D
> translate as you mentioned, but that seems to always do it relative to
> the current coordinate system, which makes it harder to return to the
> original origin if that is necessary.  I'm also wondering if moving
> the origin is supposed to move the currently drawn image or not - my
> stance on this is no, but I want to see other views on it.
>=20
> -Alex
>=20
> On 5/15/05, Toby Donaldson <tj...@sf...> wrote:
>> Hi all,
>>=20
>> I am doing a bit of planning for the next two released versions of the
>> csimage package. The next version will be code-named "casey", and the on=
e
>> after that will be called "harriet".
>>=20
>> If you are working on one of the features mentioned below, please keep u=
s
>> informed of your progress by occasionally emailing this list.
>>=20
>> Release name: casey
>> Date: end of June (hopefully!)
>> New features:
>>  - Caretesian coordinate system
>>  - simple axes
>>  - generic load/save/quit buttons
>>  - basic testing code for TheMatrix
>>  - basic user-level documentation for TheMatrix
>> Other changes:
>>  - remove alpha-value code for TheMatrix since it doesn't work correctly
>> (scheduled to be added in the next version)
>>=20
>> Release name: harriet
>> Date: end of August (hopefully!)
>> New features:
>>   - correct handling of alpha values
>>   - improved flexibility for using TheMatrix as a panel in other windows
>>   - more complete testing
>>   - more complete user documentation
>>   - improved and fixed animation library
>>=20
>> Any other ideas for changes? Did I miss anything? Note that this is just=
 for
>> the csimage library; non-image code may also be included, or we might
>> release a separate package for that.
>>=20
>> Toby
>> --
>> Dr. Toby Donaldson
>> School of Computing Science
>> Simon Fraser University
>>=20
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--=20
Dr. Toby Donaldson
School of Computing Science
Simon Fraser University