From: Mojca Miklavec <mojca.miklavec.lists@gmail.com>
Subject: Re: Re: Animations in ConTeXt
Date: Tue, 24 May 2005 20:07:09 +0200 [thread overview]
Message-ID: <6faad9f00505241107123dc407@mail.gmail.com> (raw)
In-Reply-To: <429218EE.1040908@boede.nl>
[-- Attachment #1: Type: text/plain, Size: 4093 bytes --]
I don't get it. Examples (animations) on
http://www.fi.muni.cz/~xholecek/animations/ compile and work OK with
my TeX and Acrobat (Windows XP, Adobe Acrobat Professional 6.0.1).
However, the example below doesn't work on my computer.
I replaced some lines below with:
\starttext
\placefigure [here] [fig:animation]
{A simple \MetaFun\ animation,
click \goto {here} [JS(Rotate_Star)] to start (or stop) or
% this line was added as described in MetaFun manual
click \goto {here} [JS(Walk_Field{vortex})] for next step}
{\fieldstack [vortex]}
\stoptext
which results in the PDF file attached.
Stepping in JS(Walk_Field{vortex}) works OK, while continuous
animation in JS(Rotate_Star) doesn't. Is this because of my (old?)
ConTeXt distribution (ver 2005.01.31, fmt 2005.5.16), because of my
(old/buggy?) Acrobat/OS or because of problems in JavaScript?
Thank you,
Mojca
Willi Egger wrote:
> Hi Richard,
>
> thanks for this example. I tried it and voilà!
>
> Willi
>
> Richard Hirsch wrote:
> > Richard Rascher-Friesenhausen asked
> >
> >>So again. Is it possible to write something like the above animation
> >
> > packages
> >
> >>in ConTeXt (as a module)?
> >
> >
> > If Acrobat can display them, ConTeXt can generate them.
> >
> > Here is a simple example.
> >
> > \setupoutput [pdf]
> > \setupcolors [state=start]
> > \setupinteraction [state=start]
> > \setuppapersize [S6][S6]
> >
> > %% this is just code to get something to animate
> > \startMPinclusions
> > picture thearrow, thestar;
> >
> > drawarrow (origin--up) scaled 10mm
> > withpen pencircle scaled 3pt
> > withcolor .9 red;
> > setbounds currentpicture to (fullcircle scaled 22mm);
> >
> > thearrow:= currentpicture scaled 5;
> > currentpicture:= nullpicture;
> >
> > for angle=0 step 72 until 359:
> > draw thearrow rotated angle;
> > endfor
> >
> > thestar:= currentpicture;
> > currentpicture:= nullpicture
> > \stopMPinclusions
> >
> > \setupMPvariables [drawstar] [rotation=0]
> > \startuniqueMPgraphic{drawstar}{rotation}
> > draw thestar rotated \MPvar{rotation};
> > \stopuniqueMPgraphic
> >
> >
> > %% now we define some symbols (the frames of the animated sequence)
> > \def\definestarsymbol#1{%
> > \definesymbol [star #1] [\uniqueMPgraphic{drawstar}{rotation=#1}]}
> >
> > \definestarsymbol{0}
> > \definestarsymbol{6}
> > \definestarsymbol{12}
> > \definestarsymbol{18}
> > \definestarsymbol{24}
> > \definestarsymbol{30}
> > \definestarsymbol{36}
> > \definestarsymbol{42}
> > \definestarsymbol{48}
> > \definestarsymbol{54}
> > \definestarsymbol{60}
> > \definestarsymbol{66}
> >
> > %% the frames are put into a fieldstack
> > \definefieldstack [vortex]
> > [star 0, star 6, star 12, star 18, star 24, star 30,
> > star 36, star 42, star 48, star 54, star 60, star 66]
> >
> > %% and this is the JavaScrip code that displays the frames one by one
> > \startJSpreamble MyField used later
> > var current = 1;
> > var delay = 200; % 200 milliseconds
> > var timer;
> > var running = false; % animation currently not running
> >
> > function Advance_Angle ( ) {
> > this.getField("vortex:"+current).value = "Off";
> > if (++current > 12) % number of frames
> > { current = 1; } % loop through frames
> > this.getField("vortex:"+current).value = "On";
> > }
> > \stopJSpreamble
> >
> > %% we want to control the starting and stopping of the animation
> > \startJScode Rotate_Star uses MyField
> > if (running) {
> > try { app.clearInterval(timer); } catch(except) {};
> > running = false;
> > }
> > else {
> > timer = app.setInterval("Advance_Angle()",delay);
> > running = true;
> > }
> > \stopJScode
> >
> >
> > \starttext
> > \placefigure [here] [fig:animation]
> > {A simple \MetaFun\ animation,
> > click \goto {here} [JS(Rotate_Star)] to start (or stop)}
> > {\fieldstack [vortex]}
> > \stoptext
> >
> > Best regards,
> >
> > Richard
[-- Attachment #2: star.pdf --]
[-- Type: application/pdf, Size: 34391 bytes --]
[-- Attachment #3: Type: text/plain, Size: 139 bytes --]
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next prev parent reply other threads:[~2005-05-24 18:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-22 10:19 Richard Hirsch
2005-05-23 17:54 ` Willi Egger
2005-05-24 18:07 ` Mojca Miklavec [this message]
2005-05-25 15:32 ` Willi Egger
2005-07-07 15:51 ` Hans Hagen
2005-07-07 16:11 ` Hans Hagen
2005-07-07 21:02 ` Mojca Miklavec
2005-07-07 21:33 ` Hans Hagen
2005-07-08 6:02 ` luigi.scarso
2005-05-24 17:58 ` Mojca Miklavec
2005-05-24 21:52 ` Hans Hagen
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