Re: [NTG-context] Re: Animations in ConTeXt
[a little off topic] http://www.quiss.org/swftools/examples.html (pdf - swf; open new views if we think mp-pdf-swf driven by context..) http://www.pragma-ade.com/dir/itdemos/internal/media/ (how to play mediashow.smi ? maybe https://player.helixcommunity.org can help ?) luigi ___ ntg-context mailing list ntg-context@ntg.nl http://www.ntg.nl/mailman/listinfo/ntg-context
Re: [NTG-context] Re: Animations in ConTeXt
Mojca Miklavec wrote:
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.
(old/buggy?) Acrobat/OS or because of problems in JavaScript?
works ok here in acrobat 7
(acrobat has fuzzy ways of initializing js and widgets)
Hans
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tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
| www.pragma-pod.nl
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Re: [NTG-context] Re: Animations in ConTeXt
Hans Hagen wrote:
Mojca Miklavec wrote:
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.
(old/buggy?) Acrobat/OS or because of problems in JavaScript?
works ok here in acrobat 7
(acrobat has fuzzy ways of initializing js and widgets)
Yes, in the meantime I noticed that too. Acrobat 5 doesn't support those
JS stuff at all, but the funny thing is that Acrobat 6 supports only a
half of it. I was already running a continuous animation in Acrobat 6
(the one mentioned above), however it was compiled from plain TeX and I
don't know how to include the fields in the same way in ConTeXt and how
to write the same JS code for them.
JS(Rotate_Star) didn't work in Acrobat 6, but I don't want to care about
the bugs in Adobe products. They will never be removed (if ever) as soon
as the bugs are removed from ConTeXt :)
Mojca
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Re: [NTG-context] Re: Animations in ConTeXt
Mojca Miklavec wrote: Yes, in the meantime I noticed that too. Acrobat 5 doesn't support those JS stuff at all, but the funny thing is that Acrobat 6 supports only a half of it. I was already running a continuous animation in Acrobat 6 (the one mentioned above), however it was compiled from plain TeX and I don't know how to include the fields in the same way in ConTeXt and how to write the same JS code for them. timers were added in version 6 JS(Rotate_Star) didn't work in Acrobat 6, but I don't want to care about the bugs in Adobe products. They will never be removed (if ever) as soon as the bugs are removed from ConTeXt :) currently in acrobat you can use catch to make sure that the document at least opens ok here is the deal: - i add the attached (a bit old and rusty) file to the distribution - and you add an animation page to the wiki (you probably recognize the result if you process it) Hans - Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com | www.pragma-pod.nl - pdfclock.tex Description: TeX document ___ ntg-context mailing list ntg-context@ntg.nl http://www.ntg.nl/mailman/listinfo/ntg-context
Re: [NTG-context] Re: Animations in ConTeXt
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
star.pdf
Description: Adobe PDF document
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Re: [NTG-context] Re: Animations in ConTeXt
Hi Mojca,
this is strange, on my installation with Acrobat 7.0.1 under Windows XP
both the stepwise and continuous part work properly.
Willi
Mojca Miklavec wrote:
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
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Re: [NTG-context] Re: Animations in ConTeXt
On 5/22/05, Richard Hirsch [EMAIL PROTECTED] wrote:
Of course you would want to put the symbol definitions and the
definition of the fieldstack into a loop. I tried
%% \newcount\angle
%% \angle=0%\zerocount
%% \dorecurse{12} {%
%%\number\angle:\qquad
%%\definestarsymbol{\the\angle}
%%\symbol[star \number\angle]\par
%%\advance\angle by 6}
and did get the single symbols. I wasn't successful however in putting
the symbol list of the fieldstack definition into a loop. Perhaps the
ConTeXt gurus can help.
I discovered some possible sources of problems, but didn't manage to solve them.
I changed this part of code (just for debugging reasons):
\startuniqueMPgraphic{drawstar}{rotation}
draw thestar rotated \MPvar{rotation};
% this line was added
label(\MPvar{rotation}, origin);
\stopuniqueMPgraphic
Problem N. #1:
--
Consider now the following definition:
\newcount\angle
\angle=0
\definesymbol
[star \the\angle]
[\uniqueMPgraphic{drawstar}{rotation=\the\angle}]
\advance\angle by 6
\definesymbol
[star \the\angle]
[\uniqueMPgraphic{drawstar}{rotation=\the\angle}]
This should define two symbols, \symbol[star 0] and \symbol[star 6].
It did, but rotation=\the\angle resulted in 6 in both cases (the
last value), so we get two identical pictures. \the\angle can be
replaced manually by 0/6/12/... but that's not the point.
Problem N. #2:
--
Instead of writing
\definestarsymbol{0}
\definestarsymbol{6}
\definestarsymbol{12}
...
I tried to use:
\newcount\angle
{\angle=0\loop\ifnum\angle67%
\definesymbol
[star \the\angle]
[{\uniqueMPgraphic{drawstar}{rotation=0}}]
Defining symbol \the\angle \dots\crlf
\advance\angle by 6
\repeat}
Because of some unknown reason \symbol[star 0], ... cannot be recalled at all.
Can anyone find the reason for problems?
I had very similiar problems when trying to add \loop\ifnum...\repeat
to the example in http://www.fi.muni.cz/~xholecek/animations/, which
is written in plain TeX anyway.
Mojca
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Re: [NTG-context] Re: Animations in ConTeXt
Mojca Miklavec wrote:
\newcount\angle
\angle=0
\definesymbol
[star \the\angle]
[\uniqueMPgraphic{drawstar}{rotation=\the\angle}]
\advance\angle by 6
\definesymbol
[star \the\angle]
[\uniqueMPgraphic{drawstar}{rotation=\the\angle}]
This should define two symbols, \symbol[star 0] and \symbol[star 6].
It did, but rotation=\the\angle resulted in 6 in both cases (the
last value), so we get two identical pictures. \the\angle can be
replaced manually by 0/6/12/... but that's not the point.
Can anyone find the reason for problems?
\definesymbol[whatever][something which is expanded at the time of invocation
\newcount\angle % dangerous command, better use MyAngle or so
\expanded
{\definesymbol
[star \number\angle]
[\noexpand\uniqueMPgraphic{drawstar}{rotation=\number\angle}]
\advance\angle by 6
\expanded
{\definesymbol
[star \number\angle]
[\noexpand\uniqueMPgraphic{drawstar}{rotation=\number\angle}]
ugly but needed
Hans
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
| www.pragma-pod.nl
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Re: [NTG-context] Re: Animations in ConTeXt
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
Of course you would want to put the symbol definitions and the
definition of the fieldstack into a loop. I tried
%% \newcount\angle
%% \angle=0%\zerocount
%% \dorecurse{12} {%
%%\number\angle:\qquad
%%\definestarsymbol{\the\angle}
%%\symbol[star \number\angle]\par
%%\advance\angle by 6}
and did get the single symbols. I wasn't successful however in putting
the symbol list of the fieldstack definition into a loop. Perhaps the
ConTeXt gurus can help.
Best regards,
Richard
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[NTG-context] Re: Animations in ConTeXt
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
Of course you would want to put the symbol definitions and the
definition of the fieldstack into a loop. I tried
%% \newcount\angle
%% \angle=0%\zerocount
%% \dorecurse{12} {%
%%\number\angle:\qquad
%%\definestarsymbol{\the\angle}
%%\symbol[star \number\angle]\par
%%\advance\angle by 6}
and did get the single symbols. I wasn't successful however in putting
the symbol list of the fieldstack definition into a loop. Perhaps the
ConTeXt gurus can help.
Best regards,
Richard
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