>
> > The question:
> > Is there any way to get SAGE to update a graphic without actually
> > creating a new graphic, either in command-line mode or in notebook?
>
> Would creating an animation be a reasonable substitute?
> E.g.,
>
> {{{id=119|
> a = random_matrix(GF(37),10)*10
> b = [a^i for i in [1..37]]
>
> }}}
>
> {{{id=122|
> A = animate(matrix_plot(x) for x in b)
>
> }}}
>
> {{{id=120|
> show(A)
>
> }}}
Oh, yes, this is exactly it - I feel a little silly for not thinking
of searching for "animate".
Though it is still not at all easy to figure out how to do it. You
have to think of animate; then you have to figure out that the mystery
error message about 'convert' means you should find Imagemagick; then
you have to figure out how to get it and unpack it (luckily I have
Fink), etc. So another example of a steepish learning curve. Still,
good to know how to do it. Actually, animate has some very
interesting methods - I am really looking forward to trying the
addition of animations!
On a different note (and I don't know what people think of this, as
it's not really SAGE) I noticed two problems, perhaps unique to Mac,
after the SAGE stuff is resolved. First, if you do it command-line,
Preview opens the animated .gif up automatically and won't play it (it
lists all the individual frames), and I couldn't even save it there,
nor drag it into a browser to play it (had to dig into the .sage
directory in Terminal to do this). Second, when I do it in the
browser, it just plays forever like any other dorky animated .gif on a
1995-vintage website. Is this a bug or a feature?
- kcrisman
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