* 3D annotations problems
@ 2012-08-18 18:00 Michail Vidiassov
2012-09-09 9:00 ` Michail Vidiassov
0 siblings, 1 reply; 6+ messages in thread
From: Michail Vidiassov @ 2012-08-18 18:00 UTC (permalink / raw)
To: mailing list for ConTeXt users
Dear Hans and All,
the examples from back-u3d.mkiv fail to work with latest beta
(rectangled "undefined" message appears instead of annotation),
but if "\textwidth" is replaced by "in" in the tex file 3D annotations
appear OK.
Is that a bug, a feature or some transitional state of ConTeXt
(case when things are known to be broken something else is under reform).
Sincerely, Michail
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* Re: 3D annotations problems
2012-08-18 18:00 3D annotations problems Michail Vidiassov
@ 2012-09-09 9:00 ` Michail Vidiassov
2012-09-09 12:52 ` Wolfgang Schuster
0 siblings, 1 reply; 6+ messages in thread
From: Michail Vidiassov @ 2012-09-09 9:00 UTC (permalink / raw)
To: mailing list for ConTeXt users
Dear Hans and All,
On Sat, Aug 18, 2012 at 10:00 PM, Michail Vidiassov <master@iaas.msu.ru> wrote:
> the examples from back-u3d.mkiv fail to work with latest beta
> (rectangled "undefined" message appears instead of annotation),
> but if "\textwidth" is replaced by "in" in the tex file 3D annotations
> appear OK.
in the latest minimals (2012.09.06 23:03) the following example from
back-u3d.mkiv fails to work
\useexternalfigure [test] [test.prc] [width=0.5\textwidth,
height=0.5\textwidth, display=u3d:myset:display:1,
controls=u3d:myset:controls:1]
\placefigure[here]{3d test}{\externalfigure[test]}
while after getting rid of \texwidth the following does:
\useexternalfigure [test] [test.prc] [width=3in, height=3in,
display=u3d:myset:display:1, controls=u3d:myset:controls:1]
\placefigure[here]{3d test}{\externalfigure[test]}
Is it a bug of the example got wrong with some changes in ConTeXt.
Sincerely, Michail
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* Re: 3D annotations problems
2012-09-09 9:00 ` Michail Vidiassov
@ 2012-09-09 12:52 ` Wolfgang Schuster
2012-09-09 14:02 ` Michail Vidiassov
0 siblings, 1 reply; 6+ messages in thread
From: Wolfgang Schuster @ 2012-09-09 12:52 UTC (permalink / raw)
To: mailing list for ConTeXt users
Am 09.09.2012 um 11:00 schrieb Michail Vidiassov <master@iaas.msu.ru>:
> Dear Hans and All,
>
>
> On Sat, Aug 18, 2012 at 10:00 PM, Michail Vidiassov <master@iaas.msu.ru> wrote:
>> the examples from back-u3d.mkiv fail to work with latest beta
>> (rectangled "undefined" message appears instead of annotation),
>> but if "\textwidth" is replaced by "in" in the tex file 3D annotations
>> appear OK.
>
> in the latest minimals (2012.09.06 23:03) the following example from
> back-u3d.mkiv fails to work
>
> \useexternalfigure [test] [test.prc] [width=0.5\textwidth,
> height=0.5\textwidth, display=u3d:myset:display:1,
> controls=u3d:myset:controls:1]
> \placefigure[here]{3d test}{\externalfigure[test]}
>
> while after getting rid of \texwidth the following does:
>
> \useexternalfigure [test] [test.prc] [width=3in, height=3in,
> display=u3d:myset:display:1, controls=u3d:myset:controls:1]
> \placefigure[here]{3d test}{\externalfigure[test]}
>
> Is it a bug of the example got wrong with some changes in ConTeXt.
It should work when you use “width=\the\dimexpr\textwidth/2\relax” or “width=\the\dimexpr0.5\textwidth\relax”.
Wolfgang
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* Re: 3D annotations problems
2012-09-09 12:52 ` Wolfgang Schuster
@ 2012-09-09 14:02 ` Michail Vidiassov
2012-09-09 14:07 ` Michail Vidiassov
0 siblings, 1 reply; 6+ messages in thread
From: Michail Vidiassov @ 2012-09-09 14:02 UTC (permalink / raw)
To: mailing list for ConTeXt users
Dear Wolfgang and All,
On Sun, Sep 9, 2012 at 4:52 PM, Wolfgang Schuster
<wolfgang.schuster@gmail.com> wrote:
>> in the latest minimals (2012.09.06 23:03) the following example from back-u3d.mkiv fails to work
>>
>> \useexternalfigure [test] [test.prc] [width=0.5\textwidth, ...
> It should work when you use “width=\the\dimexpr\textwidth/2\relax” or “width=\the\dimexpr0.5\textwidth\relax”.
thank you, that works.
Is it a permanent change of rules or the old shorter way is just
temporary disabled by some ongoing unfinished development of ConTeXt
code?
Sincerely, Michail
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* Re: 3D annotations problems
2012-09-09 14:02 ` Michail Vidiassov
@ 2012-09-09 14:07 ` Michail Vidiassov
2012-09-09 16:38 ` Wolfgang Schuster
0 siblings, 1 reply; 6+ messages in thread
From: Michail Vidiassov @ 2012-09-09 14:07 UTC (permalink / raw)
To: mailing list for ConTeXt users
Just a follow up -
the old way "width=0.5\textwidth" still works for png external figures.
Is it considered non-kosher now and is to be changed everywhere to the
new one “width=\the\dimexpr0.5\textwidth\relax” whenever possible to
avoid potential problems?
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* Re: 3D annotations problems
2012-09-09 14:07 ` Michail Vidiassov
@ 2012-09-09 16:38 ` Wolfgang Schuster
0 siblings, 0 replies; 6+ messages in thread
From: Wolfgang Schuster @ 2012-09-09 16:38 UTC (permalink / raw)
To: mailing list for ConTeXt users
Am 09.09.2012 um 16:07 schrieb Michail Vidiassov <master@iaas.msu.ru>:
> Just a follow up -
> the old way "width=0.5\textwidth" still works for png external figures.
When you use images in jpg, png or pdf format context still uses a lot of tex
code where you can use this form of assignment because the values are
assigned to another dimen register in tex where this is valid.
\starttext
\newdimen\mydimenregister
\mydimenregister=10pt
mydimenregister = \the\mydimenregister
\mydimenregister=\textwidth
mydimenregister = \the\mydimenregister
\mydimenregister=.33\textwidth
mydimenregister = \the\mydimenregister
\stoptext
When you insert a 3D graphic in your document the values of the width/height
keys are read by lua which can’t handle with this assignment, what can be used
in this case are only absolute values like 10pt and with \the\dimepr… you can
do this even with relative value, e.g. .5\textwidth.
> Is it considered non-kosher now and is to be changed everywhere to the
> new one “width=\the\dimexpr0.5\textwidth\relax” whenever possible to
> avoid potential problems?
Maybe Hans can add some code which checks the argument to avoid this, e.g.
if <argument> == "fit" or <argument> == "broad" then
return <argument>
else
return "\the\dimepr<argument>\relax"
fi
Wolfgang
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2012-08-18 18:00 3D annotations problems Michail Vidiassov
2012-09-09 9:00 ` Michail Vidiassov
2012-09-09 12:52 ` Wolfgang Schuster
2012-09-09 14:02 ` Michail Vidiassov
2012-09-09 14:07 ` Michail Vidiassov
2012-09-09 16:38 ` Wolfgang Schuster
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