[NTG-context] Re: unknown script 'mtx-context.lua' or 'mtx-mtx-context.lua

[Denis Maier via ntg-context]

> -Ursprüngliche Nachricht-
> Von: Pablo Rodriguez via ntg-context 
> Gesendet: Mittwoch, 10. April 2024 19:35
> An: ntg-context@ntg.nl
> Cc: Pablo Rodriguez 
> Betreff: [NTG-context] Re: unknown script 'mtx-context.lua' or 'mtx-mtx-
> context.lua
> 
> On 4/10/24 13:59, Denis Maier via ntg-context wrote:
> > Hi,
> > I wanted to test my earlier example (float placement) also with MKIV,
> > but context ---luatex … give me this error message :
> > unknown script 'mtx-context.lua' or 'mtx-mtx-context.lua How can I
> > make it work?
> 
> Hi Denis,
> 
> as far as I know, this is required first:
> 
>   context --luatex --generate

Thanks, Pablo. 
I've tried it, but it doesn't seem to work...

I'm getting this:

resolvers   | resolving |
resolvers   | resolving | warning: no lua configuration files found
resolvers   | resolving | no texmf paths are defined (using TEXMF)
resolvers   | resolving |
mtxrun  | the resolver databases are not present or outdated

And again:

mtxrun  | unknown script 'mtx-context.lua' or 'mtx-mtx-context.lua'

Any ideas?

Best,
Denis

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[NTG-context] Re: \luaescapestring in proper Lua

[Hans Hagen via ntg-context]

On 4/10/2024 7:49 PM, Pablo Rodriguez via ntg-context wrote:

Dear list,

I have the following sample:

   \starttext
   \startluacode
   function document.print_the_thing(str)
 context(str)
   end
   \stopluacode

   \unexpanded\def\PrintTheThing#1{%
 \ctxlua{document.print_the_thing([[\luaescapestring{#1}]])}}

   \PrintTheThing{a \em b {c}}
   \stoptext

I wonder whether there is a proper way in the Lua code to avoid
[[\luaescapestring{}]] in \ctxlua.

BTW, [[\luaescapestring{}]] in \ctxlua works better for me, since in my
real world document, I’m using str:match() to check whether the string
ends with interrogation or exclamation marks ("%?!$").

\starttext
  \startluacode
  function document.print_the_thing()
context(tokens.scanners.string())
  end
  \stopluacode

  \protected\def\PrintTheThing{\ctxlua{document.print_the_thing()}}

  \PrintTheThing{a \em b {\bf c} d}
\stoptext

bonus:

  test!\removepunctuation ?

Hans

-
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  Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
   tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
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[NTG-context] \luaescapestring in proper Lua

[Pablo Rodriguez via ntg-context]

Dear list,

I have the following sample:

  \starttext
  \startluacode
  function document.print_the_thing(str)
context(str)
  end
  \stopluacode

  \unexpanded\def\PrintTheThing#1{%
\ctxlua{document.print_the_thing([[\luaescapestring{#1}]])}}

  \PrintTheThing{a \em b {c}}
  \stoptext

I wonder whether there is a proper way in the Lua code to avoid
[[\luaescapestring{}]] in \ctxlua.

BTW, [[\luaescapestring{}]] in \ctxlua works better for me, since in my
real world document, I’m using str:match() to check whether the string
ends with interrogation or exclamation marks ("%?!$").

Many thanks for your help,

Pablo
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[NTG-context] Re: unknown script 'mtx-context.lua' or 'mtx-mtx-context.lua

[Pablo Rodriguez via ntg-context]

On 4/10/24 13:59, Denis Maier via ntg-context wrote:
> Hi,
> I wanted to test my earlier example (float placement) also with MKIV, but
> context ---luatex …
> give me this error message :
> unknown script 'mtx-context.lua' or 'mtx-mtx-context.lua
> How can I make it work?

Hi Denis,

as far as I know, this is required first:

  context --luatex --generate

BTW, although LuaTeX 1.18 has been released, my Linux64 ConTeXt contains
version 1.17.x.

In fact, the LuaTeX binary was removed in an update some weeks (or
months) ago. I had to copy it from a backup from a previous version.

I hope it helps,

Pablo
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[NTG-context] Re: Figure reference failing

[Henning Hraban Ramm]

Am 10.04.24 um 14:21 schrieb Hans Hagen:

It fails for me as well, when "mode=columns" is used.

compare with and without mode columns:

\starttext

     \enablemode[columns]

     As we see \doifelsemode {columns} {in \in {table} [demo-1]} {below} 
we can have

     more than one cell in a row.

     \startplacetable[mode=columns,reference=demo-1]
     \externalfigure[cow][width=\textwidth]
     \stopplacetable

     \samplefile{tufte}

\stoptext

so basically we have an "at the spot" placement or a float


Is "mode" in floats something new? How is it related to “general” modes?

Hraban
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[NTG-context] Re: Figure reference failing

[Willi Egger]

Hm, I see.

This question appeared while using the tug-boat-style. Taking the example at 
the end of the style I adapted my article accordingly. However I missed the 
point to enable the mode “columns”…

Thanks for the explanation!
Willi

> On 10 Apr 2024, at 14:21, Hans Hagen  wrote:
> 
> On 4/10/2024 1:30 PM, Taco Hoekwater wrote:
>>> On 10 Apr 2024, at 13:04, Willi Egger  wrote:
>>> 
>>> Hello,
>>> 
>>> It seems, that the referencing mechanism is failing. I detected this with 
>>> the January version and the current version: 2024.04.01 08:59.
>>> 
>>> Could some one confirm this?
>> It fails for me as well, when "mode=columns" is used.
> compare with and without mode columns:
> 
> \starttext
> 
>\enablemode[columns]
> 
>As we see \doifelsemode {columns} {in \in {table} [demo-1]} {below} we can 
> have
>more than one cell in a row.
> 
>\startplacetable[mode=columns,reference=demo-1]
>\externalfigure[cow][width=\textwidth]
>\stopplacetable
> 
>\samplefile{tufte}
> 
> \stoptext
> 
> so basically we have an "at the spot" placement or a float
> 
> Hans
> 
> -
>  Hans Hagen | PRAGMA ADE
>  Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>   tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
> -
> 
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[NTG-context] Re: Figure reference failing

[Hans Hagen]

On 4/10/2024 1:30 PM, Taco Hoekwater wrote:




On 10 Apr 2024, at 13:04, Willi Egger  wrote:

Hello,

It seems, that the referencing mechanism is failing. I detected this with the 
January version and the current version: 2024.04.01 08:59.

Could some one confirm this?


It fails for me as well, when "mode=columns" is used.

compare with and without mode columns:

\starttext

\enablemode[columns]

As we see \doifelsemode {columns} {in \in {table} [demo-1]} {below} 
we can have

more than one cell in a row.

\startplacetable[mode=columns,reference=demo-1]
\externalfigure[cow][width=\textwidth]
\stopplacetable

\samplefile{tufte}

\stoptext

so basically we have an "at the spot" placement or a float

Hans

-
  Hans Hagen | PRAGMA ADE
  Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
   tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-

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[NTG-context] unknown script 'mtx-context.lua' or 'mtx-mtx-context.lua

[Denis Maier via ntg-context]

Hi,

 

I wanted to test my earlier example (float placement) also with MKIV, but

context ---luatex .

give me this error message :

unknown script 'mtx-context.lua' or 'mtx-mtx-context.lua

 

How can I make it work?

 

Best,

Denis

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[NTG-context] Weird (?) float placement for specific widths of image

[Denis Maier via ntg-context]

Hi, 

 

another graphics/floats question: consider the following example

 

%

 

\setupexternalfigures

[location={local,global,default}]

 

\starttext

 

\placefigure{A Cow}{\externalfigure[cow][

height=.5\textheight,

]}

 

\placefigure{A Cow}{\externalfigure[cow][

height=.3\textheight,

%height=.4\textheight,

]}

 

 

\placefigure{A Cow}{\externalfigure[cow][

width=3cm,

%width=2cm,

]}

 

\placefigure{A Cow}{\externalfigure[cow][width=2cm]}

 

\placefigure{A Cow}{\externalfigure[cow][width=2cm]}

 

\stoptext%

 

On the first page, the images appear stacked above each other while on the
second page they appear next to each other.

 

It took me some time to reproduce this behaviour, and I can't claim to
understand what is happening. But it seems to be related to the specific
widths of the images. When I change them to other values the behaviour
disappears. Is this a bug? Anything I can do about this?

 

Best

Denis

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[NTG-context] Re: Figure reference failing

[Taco Hoekwater]

> On 10 Apr 2024, at 13:04, Willi Egger  wrote:
> 
> Hello,
> 
> It seems, that the referencing mechanism is failing. I detected this with the 
> January version and the current version: 2024.04.01 08:59.
> 
> Could some one confirm this?

It fails for me as well, when "mode=columns" is used.

Best wishes,
Taco

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[NTG-context] Figure reference failing

[Willi Egger]

Hello,

It seems, that the referencing mechanism is failing. I detected this with the 
January version and the current version: 2024.04.01 08:59.

Could some one confirm this?

Kind regards
Willi

test.pdf
Description: Adobe PDF document


test.tex
Description: Binary data
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[NTG-context] minwidth not working ?

[denis.maier]

Hi,
Shouldn't minwidth set a default minimal width for external figures? But this 
here does not work

==
\setupexternalfigures
  [
  maxwidth=\textwidth,
  minwidth=\textwidth,
  location={local,global,default},
  ]

\starttext

\externalfigure[cow.pdf]

\externalfigure[cow.pdf][width=\textwidth]

\stoptext
==

Am I missing something here?

Best,
Denis
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[NTG-context] Re: Fwd: Re: how to apply gradient color to a piece of text?

[Hans Hagen]

On 4/10/2024 5:22 AM, seyal zavira wrote:
seams this code means to put a hidden text with same size behind 
metapost shape.
but it does not work properly for me (current version: 2024.04.01 08:59) 
and produce empty page but with searchable hidden text.


as mentioned kind = "outline" will be in the next upload so with the 
current one you need to use the also posted here for ... endfor variant



also when i edit the code and replace metapost part like this:

\startMPcode
      draw lmt_outline [
          kind = "outline",
          text = "\getbuffer[MyText]",
       ]
          withcolor red
       ;
\stopMPcode

it produces a selectable hidden text on top of body and red text that 
drawn by metapost below of that.


How can this problem be solved?

i attached the codes and pdf results.

On Mon, Apr 8, 2024 at 4:37 AM Hans Hagen > wrote:


On 4/8/2024 8:22 AM, seyal zavira wrote:
 > thank you Harban and Keith McKay.
 >
 >     \startMPpage
 >            picture tt ; tt := lmt_outline [
 >                kind = "path",
 >                text =
"\definedfont[name:texgyrepagellabold*default]foo
 >     f o o",
 >            ] ;
 >
 >            fill
 >               for i within tt : pathpart i && endfor cycle
 >               withshademethod "linear"
 >               withshadedirection down
 >               withshadecolors (red, blue) ;
 >     \stopMPpage
 >
 >     I'll add this:
 >
 >     \startMPpage
 >           draw lmt_outline [
 >               kind = "outline",
 >               text =
"\definedfont[name:texgyrepagellabold*default]foo f
 >     o o",
 >           ]
 >               withshademethod "linear"
 >               withshadedirection down
 >               withshadecolors (red, blue)
 >           ;
 >     \stopMPpage
 >
 >     so a single path option (no picture)
 >
 >     Hans
 >
 >
 > Thank you so much for the sample examples
 > it would be great to also make text select able in output pdf
 > the third example currently does not work. did you mean you will add
 > this feature for next updates?
we're talking outlines so that is paths which implies no search but you
can do this (Keith and/or Hraban will explain and/or wikify it)

\starttext

\startbuffer[MyText]
      \definedfont[name:texgyrepagellabold*default]foo f o o%
\stopbuffer

\startbuffer[MyText]
      \framed[align=normal,frame=off]{\input{tufte}}%
\stopbuffer

\setbox\scratchbox\hbox\bgroup
      \startMPcode
           draw lmt_outline [
               kind = "outline",
               text = "\getbuffer[MyText]",
           ]
               withshademethod "linear"
               withshadedirection down
               withshadecolors (red, blue)
           ;
      \stopMPcode
\egroup

\startoverlay


{\scale[height=\htdp\scratchbox,width=\wd\scratchbox]{\effect[hidden]{\getbuffer[MyText]}}}
      {\box\scratchbox}
\stopoverlay

\stoptext




-
                                            Hans Hagen | PRAGMA ADE
                Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
         tel: 038 477 53 69 | www.pragma-ade.nl
 | www.pragma-pod.nl

-


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