Thanks Hans, Wolfgang, Luigi
The new beta with Luatex 0.88 makes \fieldstacks and \startanimation work.
The following example of Wolfgang is now working well.
\def\MyGraphics#1{%
\startMPcode
path p,q;
p:=fullcircle scaled 72;
L:=length p;
N:=20;
q:=subpath (0,#1/N*L) of p;
draw q withcolor red;
fill fullcircle scaled 3 shifted point length q of q withcolor blue;
setbounds currentpicture to unitsquare shifted (-0.5,-0.5) scaled 75;
\stopMPcode}
\usemodule[animation]
\setupinteraction[state=start]
\starttext
\startanimation[menu=yes]
{\MyGraphics {5}}
{\MyGraphics {10}}
{\MyGraphics {15}}
{\MyGraphics {20}}
\stopanimation
\stoptext
One more question. Is there any convenient way to list \MyGraphics{#1}? I tried
\dorecurse, but it just display figures one by one. I also tried lua, but it
stops with the error message “unexpected symbol near ‘\'”.
\dorecurse{20}
{{\MyGraphics {\recurselevel}}
\startluacode
for i = 1, 20 do
context(“{\\MyGraphics <smb://MyGraphics>{i}}”)
end
\stopluacode
Thanks again.
Best regards,
Dalyoung
> Today's Topics:
>
> 1. Re: Fieldstacks are broken (Hans Hagen)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 11 Jan 2016 10:53:56 +0100
> From: Hans Hagen <pra...@wxs.nl>
> To: ntg-context@ntg.nl
> Subject: Re: [NTG-context] Fieldstacks are broken
> Message-ID: <56937bb4.1070...@wxs.nl>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
> On 1/10/2016 5:01 PM, Wolfgang Schuster wrote:
>> Hi Hans,
>>
>> the fieldstack mechanism doesn’t work anymore.
>>
>> \setupinteraction[state=start]
>>
>> \starttext \showframe
>>
>> \definesymbol[frame-1][\tt 1]
>> \definesymbol[frame-2][\tt 2]
>> \definesymbol[frame-3][\tt 3]
>>
>> \definefieldstack[frame][frame-1,frame-2,frame-3]
>>
>> \placeontopofeachother
>> {\framed[strut=no,offset=1ex]{\fieldstack[frame]}}
>> {\goto{Play}[Walk{frame}]}
>>
>> \stoptext
>
> fixed in next engine update
>
>
> -----------------------------------------------------------------
> Hans Hagen | PRAGMA ADE
> Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
> tel: 038 477 53 69 | www.pragma-ade.com | www.pragma-pod.nl
> -----------------------------------------------------------------
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