Not in the sense of an actual continuation. In Mozilla the argument to
setTimeout() was:
function() { generate_month(i, moon_date[8].getTime()); }
but for the benefit of IE's JScript interpreter, that had to become a string.
-- rec --
On 10/30/06, Giles Bowkett <[EMAIL PROTECTED]> wrote:
> Not in the sense of an actual continuation?
>
> On 10/30/06, Roger Critchlow <[EMAIL PROTECTED]> wrote:
> > Actually, there's a whole chunk of the SVG spec devoted to animation
> > without any scripting at all. I haven't gotten into that yet.
> > There's a lot of it being used on cell phones using the SVGTiny
> > profile which doesn't have any scripting.
> >
> > Animation with javascript all depends on how dependably your
> > window.setTimeout() method is behaving, which depends on everything
> > else running in your browser and on your machine. I've seen the moons
> > calendar hiccup partway through more than a few times.
> >
> > The "animation" is a side effect of avoiding the Firefox "Some script
> > is taking too long to finish, shall I kill it?" dialog box. I
> > compute a month and then pass the continuation to setTimeout() with a
> > 5ms delay. So most of the interframe timing happens in the number
> > crunching to compute the month.
> >
> > -- rec --
> >
> > On 10/30/06, Giles Bowkett <[EMAIL PROTECTED]> wrote:
> > > that's awesome!
> > >
> > > can SVG be animated dependably in JavaScript with that kind of
> > > sophistication?
> > >
> > > On 10/30/06, Roger Critchlow <[EMAIL PROTECTED]> wrote:
> > > > I've just finished reprogramming a lunar calendar that was my first
> > > > big programming project as an undergraduate back in the 70's. Back
> > > > then it was FORTRAN on punched cards driving a Calcomp drum plotter.
> > > > The new version (http://elf.org/moons) is programmed in javascript and
> > > > produces an SVG graphic by populating an empty document with DOM
> > > > calls.
> > > >
> > > > It's a demonstration of how much you can get away with inside a
> > > > browser these days. The whole calendar runs and renders inside
> > > > Mozilla/Firefox with no plug-ins requred at all. IE needs the Adobe
> > > > SVG viewer for the time being, but I hear that integrated SVG support
> > > > is expected around IE7.2. I haven't had a chance to try Safari. But
> > > > I downloaded Opera and it worked there, no problem at all.
> > > >
> > > > This example is a really classical computation and a very simple
> > > > graphic, but there are lots of possible extensions to this basic
> > > > framework: you can add interactivity by hanging event handlers on the
> > > > graphics; you can mutate the graphic through the DOM at any time; you
> > > > can layer in additional information asynchronously with background
> > > > XMLHTTPRequest's; you can get a lot of additional graphic effects out
> > > > of SVG; and so on.
> > > >
> > > > I think SVG+javascript is going to be a fairly useful platform for
> > > > delivering information graphics and client side number crunching on
> > > > the web.
> > > >
> > > > -- rec --
> > > >
> > > > ============================================================
> > > > FRIAM Applied Complexity Group listserv
> > > > Meets Fridays 9a-11:30 at cafe at St. John's College
> > > > lectures, archives, unsubscribe, maps at http://www.friam.org
> > > >
> > >
> > >
> > > --
> > > Giles Bowkett
> > > http://www.gilesgoatboy.org
> > >
> > > ============================================================
> > > FRIAM Applied Complexity Group listserv
> > > Meets Fridays 9a-11:30 at cafe at St. John's College
> > > lectures, archives, unsubscribe, maps at http://www.friam.org
> > >
> >
> > ============================================================
> > FRIAM Applied Complexity Group listserv
> > Meets Fridays 9a-11:30 at cafe at St. John's College
> > lectures, archives, unsubscribe, maps at http://www.friam.org
> >
>
>
> --
> Giles Bowkett
> http://www.gilesgoatboy.org
>
> ============================================================
> FRIAM Applied Complexity Group listserv
> Meets Fridays 9a-11:30 at cafe at St. John's College
> lectures, archives, unsubscribe, maps at http://www.friam.org
>
============================================================
FRIAM Applied Complexity Group listserv
Meets Fridays 9a-11:30 at cafe at St. John's College
lectures, archives, unsubscribe, maps at http://www.friam.org
