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* Escaping a special character in a MetaPost figure within a ConTeXt document fails
@ 2011-11-30 15:15 Raymond LeClair
  2011-11-30 15:37 ` Aditya Mahajan
  0 siblings, 1 reply; 3+ messages in thread
From: Raymond LeClair @ 2011-11-30 15:15 UTC (permalink / raw)
  To: mailing list for ConTeXt users

I have escaped the '#' character in the usual way, using a backslash, as '\#' in a btex...etex picture as part of a MetaPost figure created within a ConTeXt document, but the escaped character still causes the ConTeXt processing to fail.

Here is an example...

\pdfminorversion=5

\definepapersize[LG1][width=4.25in,height=6.875in]
\definepapersize[LP1][width=4.25in,height=6.875in]

\setuppapersize[LG1][LP1]

\definelayout[frontmatter]
             [topspace=0.222222222222in,header=0.555555555556in,height=6.43055555556in,footer=0.694444444444in,
              backspace=1.05555555556in,width=2.86111111111in,location=middle,
              leftmargindistance=0.222222222222in,rightmargindistance=0.222222222222in,
              leftmargin=0.833333333333in,rightmargin=0.111111111111in]

\definefont[TitleFont][Serif sa 3.5]

\definecolor[TransparentWhite][b=1,t=0,a=1]

\def \FrontMatterTitle {
  \startreusableMPgraphic{frontmattertitle:\overlaywidth:\overlayheight}
    matter_paper_width := 4.25in;
    matter_paper_height := 6.875in;
    front_left_margin := 0.388888888889in;
    top_margin := 0.347222222222in;
    draw (0, 0)--(matter_paper_width, matter_paper_height)
      withpen pencircle scaled 1bp withcolor white;
    picture titleText;

    % == HERE IS THE SOURCE OF THE PROBLEM ==

    titleText := btex {\vbox{\hsize 2.72916666667in \baselineskip 38.0pt
                                \setupalign[flushleft,hyphenated,verytolerant]
                                \TitleFont THE BEGINNINGS OF \#BOOM}} etex;
    labeloffset := 0bp;
    label.lrt(titleText, (front_left_margin,
                          matter_paper_height - top_margin));
  \stopreusableMPgraphic
  \reuseMPgraphic{frontmattertitle:\overlaywidth:\overlayheight}
}

\defineoverlay[frontmattertitle][\FrontMatterTitle]

\starttext

\setuplayout[frontmatter]

{\TransparentWhite\title{...}}
\setupbackgrounds[page][background={{frontmattertitle}},state=repeat]
{\TransparentWhite\midaligned{...}}

\stoptext

___________________________________________________________________________________
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maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
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wiki     : http://contextgarden.net
___________________________________________________________________________________


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: Escaping a special character in a MetaPost figure within a ConTeXt document fails
  2011-11-30 15:15 Escaping a special character in a MetaPost figure within a ConTeXt document fails Raymond LeClair
@ 2011-11-30 15:37 ` Aditya Mahajan
  2011-12-01 17:56   ` Raymond LeClair
  0 siblings, 1 reply; 3+ messages in thread
From: Aditya Mahajan @ 2011-11-30 15:37 UTC (permalink / raw)
  To: mailing list for ConTeXt users

Try:

using \letterhash instead of \#

or

\startasciimode
> \def \FrontMatterTitle {
>  \startreusableMPgraphic{frontmattertitle:\overlaywidth:\overlayheight}
>    matter_paper_width := 4.25in;
>    matter_paper_height := 6.875in;
>    front_left_margin := 0.388888888889in;
>    top_margin := 0.347222222222in;
>    draw (0, 0)--(matter_paper_width, matter_paper_height)
>      withpen pencircle scaled 1bp withcolor white;
>    picture titleText;
>
>    %% == HERE IS THE SOURCE OF THE PROBLEM ==
>
>    titleText := btex {\vbox{\hsize 2.72916666667in \baselineskip 38.0pt
>                                \setupalign[flushleft,hyphenated,verytolerant]
>                                \TitleFont THE BEGINNINGS OF #BOOM}} etex;
%%%%%% NOTE I changed \# to # and % to %%
>    labeloffset := 0bp;
>    label.lrt(titleText, (front_left_margin,
>                          matter_paper_height - top_margin));
>  \stopreusableMPgraphic
>  \reuseMPgraphic{frontmattertitle:\overlaywidth:\overlayheight}
> }

\stopasciimode

You can also use \framed[width=2.73in, foregroundstyle={\TitleFont\setupinterlinespace[38pt],
align={flushleft, ....}]{The ....} instead of explicit \vbox.

Aditya
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
archive  : http://foundry.supelec.fr/projects/contextrev/
wiki     : http://contextgarden.net
___________________________________________________________________________________


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: Escaping a special character in a MetaPost figure within a ConTeXt document fails
  2011-11-30 15:37 ` Aditya Mahajan
@ 2011-12-01 17:56   ` Raymond LeClair
  0 siblings, 0 replies; 3+ messages in thread
From: Raymond LeClair @ 2011-12-01 17:56 UTC (permalink / raw)
  To: mailing list for ConTeXt users

Thanks for the reply!

Found I needed to use \letterbackslash\letterhash for this to work. Does that make sense?

On Nov 30, 2011, at 10:37 AM, Aditya Mahajan wrote:

> Try:
> 
> using \letterhash instead of \#
> 
> or
> 
> \startasciimode
>> \def \FrontMatterTitle {
>> \startreusableMPgraphic{frontmattertitle:\overlaywidth:\overlayheight}
>>   matter_paper_width := 4.25in;
>>   matter_paper_height := 6.875in;
>>   front_left_margin := 0.388888888889in;
>>   top_margin := 0.347222222222in;
>>   draw (0, 0)--(matter_paper_width, matter_paper_height)
>>     withpen pencircle scaled 1bp withcolor white;
>>   picture titleText;
>> 
>>   %% == HERE IS THE SOURCE OF THE PROBLEM ==
>> 
>>   titleText := btex {\vbox{\hsize 2.72916666667in \baselineskip 38.0pt
>>                               \setupalign[flushleft,hyphenated,verytolerant]
>>                               \TitleFont THE BEGINNINGS OF #BOOM}} etex;
> %%%%%% NOTE I changed \# to # and % to %%
>>   labeloffset := 0bp;
>>   label.lrt(titleText, (front_left_margin,
>>                         matter_paper_height - top_margin));
>> \stopreusableMPgraphic
>> \reuseMPgraphic{frontmattertitle:\overlaywidth:\overlayheight}
>> }
> 
> \stopasciimode
> 
> You can also use \framed[width=2.73in, foregroundstyle={\TitleFont\setupinterlinespace[38pt],
> align={flushleft, ....}]{The ....} instead of explicit \vbox.
> 
> Aditya
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
> 
> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
> archive  : http://foundry.supelec.fr/projects/contextrev/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________

___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
archive  : http://foundry.supelec.fr/projects/contextrev/
wiki     : http://contextgarden.net
___________________________________________________________________________________


^ permalink raw reply	[flat|nested] 3+ messages in thread

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2011-11-30 15:15 Escaping a special character in a MetaPost figure within a ConTeXt document fails Raymond LeClair
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2011-12-01 17:56   ` Raymond LeClair

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