Re: [NTG-context] Formulas in ConTeXt are different from those in plain TeX

2013-05-11 Thread Hans Hagen

On 5/11/2013 1:57 AM, Tim Li wrote:

Hi,

I have asked this question on tex.stackexchange.com

http://tex.stackexchange.com/questions/113592/formulas-in-context-are-different-from-those-in-plain-tex/113609?noredirect=1#comment250549_113609



as the title said, formulas typeset by ConTeXt are different from those
by plain TeX.
The minimal examples are here:

% plain luatex in ConTeXt standalone

$$\int_a^bf(x)dx=F(b)-F(a)$$
\bye

% context

\starttext
\startformula
\int\nolimits_a^bf(x)dx=F(b)-F(a)
\stopformula
\stoptext

Marco said to me that that's because the fonts used by LuaTeX and
ConTeXt are different. This can be seen from the pdf produced by them

pdffonts context.pdf
name type  emb sub uni object ID
 - --- --- --- -
OLAZTU+LMRoman12-Regular CID Type 0C   yes yes yes 18  0
RXHAAY+LatinModernMath-Regular   CID Type 0C   yes yes yes 19  0
JTHTZJ+LatinModernMath-Regular   CID Type 0C   yes yes yes 20  0

pdffonts plain.pdf
name type  emb sub uni object ID
 - --- --- --- -
APMHZE+LMMathExtension10-Regular Type 1yes yes no   4  0
AWBTPY+LMMathItalic7-Regular Type 1yes yes no   5  0
ITITNI+LMMathItalic10-RegularType 1yes yes no   6  0
DMNVHT+LMRoman10-Regular Type 1yes yes no   7  0
MGKPYK+LMMathSymbols10-Regular   Type 1yes yes no   8  0

even if using the `modern-designsize-virtual` typescript(advice from
Marco), I still get the different outputs.

Now, I get confused about this qustion. If ConTeXt uses LuaTeX as its
engine, how can I tune ConTeXt so that it can produce the same formulas
with those in plain TeX?


you could define your own 'plain like' math setup using type one fonts 
and families and all symbol names redefined or use the virtual lm instead



--

-
  Hans Hagen | PRAGMA ADE
  Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
 | www.pragma-pod.nl
-
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Re: [NTG-context] Formulas in ConTeXt are different from those in plain TeX

2013-05-11 Thread Hans Hagen
On 5/11/2013 12:16 PM, Tim Li wrote:
 Thanks, Hans,
 
 can you give me a small example or show me how to do that? I really 
 don't know how to do that. :-(

see plain.tex and the tex book

but you can bet on interference ... deep down, math in context is
implemented in a rather special way and that might conflict with more
traditional approaches

Hans


-
  Hans Hagen | PRAGMA ADE
  Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
 | www.pragma-pod.nl
-
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[NTG-context] Formulas in ConTeXt are different from those in plain TeX

2013-05-10 Thread Tim Li
Hi, I have asked this question on tex.stackexchange.com 
http://tex.stackexchange.com/questions/113592/formulas-in-context-are-different-from-those-in-plain-tex/113609?noredirect=1#comment250549_113609
  as the title said, formulas typeset by ConTeXt are different from those by 
plain TeX. The minimal examples are here: % plain luatex in ConTeXt standalone 
$$\int_a^bf(x)dx=F(b)-F(a)$$
\bye % context \starttext
\startformula
\int\nolimits_a^bf(x)dx=F(b)-F(a)
\stopformula
\stoptext Marco said to me that that's because the fonts used by LuaTeX and 
ConTeXt are different. This can be seen from the pdf produced by them pdffonts 
context.pdf
name type  emb sub uni object ID
 - --- --- --- 
-OLAZTU+LMRoman12-Regular CID Type 0C   yes yes yes 
18  0
RXHAAY+LatinModernMath-Regular   CID Type 0C   yes yes yes 19  
0JTHTZJ+LatinModernMath-Regular   CID Type 0C   yes yes yes 20  0
pdffonts plain.pdf
name type  emb sub uni object 
ID - --- --- --- -
APMHZE+LMMathExtension10-Regular Type 1yes yes no   4  0
AWBTPY+LMMathItalic7-Regular Type 1yes yes no   5  0
ITITNI+LMMathItalic10-RegularType 1yes yes no   6  0
DMNVHT+LMRoman10-Regular Type 1yes yes no   7  0
MGKPYK+LMMathSymbols10-Regular   Type 1yes yes no   8  0 
even if using the `modern-designsize-virtual` typescript(advice from Marco), I 
still get the different outputs.  Now, I get confused about this qustion. If 
ConTeXt uses LuaTeX as its engine, how can I tune ConTeXt so that it can 
produce the same formulas with those in plain TeX?  Tim 
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archive  : http://foundry.supelec.fr/projects/contextrev/
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