How to use noto sans math font?

How to use noto sans math font?

[Li Yanrui (李延瑞) via ntg-context]

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Hi,

I try to use the Noto Sans Math fnt which can be downloaded from
https://fonts.google.com/noto/specimen/Noto+Sans+Math

But I use it like the following

\definefontfamily[myfonts][rm][latin modern roman]
\definefontfamily[myfonts][mm][noto sans math]
\setupbodyfont[myfonts,rm,12pt]
\starttext
Test Noto Sasn Math Fonts
\startformula
a^2 \quad \sqrt{a}
\stopformula
\stoptext

I get the errors `Math error: parameter 'supshiftup' with id 51 in style 0
is not set'.

Is there some method to solve it?


-- 
Best regards,

Li Yanrui

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Re: How to use noto sans math font?

[Mikael Sundqvist via ntg-context]

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Hi,

No intend to be complete or so (not by computer either, so could not look
into it), it was just for a test a while back. But it could serve as a
start.

/Mikael

Den ons 5 apr. 2023 12:07Li Yanrui (李延瑞) via ntg-context <ntg-context@ntg.nl>
skrev:

> Hi,
>
> I try to use the Noto Sans Math fnt which can be downloaded from
> https://fonts.google.com/noto/specimen/Noto+Sans+Math
>
> But I use it like the following
>
> \definefontfamily[myfonts][rm][latin modern roman]
> \definefontfamily[myfonts][mm][noto sans math]
> \setupbodyfont[myfonts,rm,12pt]
> \starttext
> Test Noto Sasn Math Fonts
> \startformula
> a^2 \quad \sqrt{a}
> \stopformula
> \stoptext
>
> I get the errors `Math error: parameter 'supshiftup' with id 51 in style 0
> is not set'.
>
> Is there some method to solve it?
>
>
> --
> Best regards,
>
> Li Yanrui
>
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
> maillist : ntg-context@ntg.nl /
> https://www.ntg.nl/mailman/listinfo/ntg-context
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>
> ___________________________________________________________________________________
>

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\starttypescriptcollection[notosans]

    % \definefontfeature[default-slanted-xcharter][default][slant=.2]
    % \definefontfeature[none-slanted-xcharter]   [none]   [slant=.2]

    \doifunknownfontfeature {noto-math-bold} {\definefontfeature[noto-math-bold][boldened]}

    \starttypescript [\s!serif] [noto] [\s!name]
        \definefontsynonym [\s!Serif]           [\s!file:NotoSerif-Regular]    [\s!features=\s!default]
        \definefontsynonym [\s!SerifItalic]     [\s!file:NotoSerif-Italic]     [\s!features=\s!default]
        \definefontsynonym [\s!SerifBold]       [\s!file:NotoSerif-Bold]       [\s!features=\s!default]
        \definefontsynonym [\s!SerifBoldItalic] [\s!file:NotoSerif-BoldItalic] [\s!features=\s!default]
    \stoptypescript

    \starttypescript [\s!sans] [noto] [\s!name]
        \setups[\s!font:\s!fallback:\s!sans]
        \definefontsynonym [\s!Sans]          [\s!file:NotoSans-Regular]       [\s!features=\s!default]
        \definefontsynonym [\s!SansItalic]    [\s!file:NotoSans-Italic]        [\s!features=\s!default]
        \definefontsynonym [\s!SansBold]      [\s!file:NotoSans-SemiBold]      [\s!features=\s!default]
        \definefontsynonym [\s!SansBoldItalic][\s!file:NotoSans-SemiBoldItalic][\s!features=\s!default]
    \stoptypescript

    \starttypescript [\s!math] [noto][\s!name]
        \checkedmapfontsize[\typescripttwo][\s!script]      [.70]
        \checkedmapfontsize[\typescripttwo][\s!scriptscript][.55]
    \stoptypescript

    \starttypescript [\s!math] [noto][\s!name]
        \definefontsynonym [\s!MathRoman]    [\s!file:NotoSansMath-Regular.ttf][\s!features={\s!math\mathsizesuffix,noto:mathextra,mathextra}]
        \definefontsynonym [\s!MathRomanBold][\s!file:NotoSansMath-Regular.otf][\s!features={\s!math\mathsizesuffix,noto-math-bold,noto:mathextra,mathextra}]
    \stoptypescript

    \starttypescript [noto]
        \definetypeface [\typescriptone] [\s!rm] [\s!serif] [\typescriptone] [\s!default]
        \definetypeface [\typescriptone] [\s!ss] [\s!sans]  [\typescriptone] [\s!default]
        \definetypeface [\typescriptone] [\s!mm] [\s!math]  [\typescriptone] [\s!default]
        \quittypescriptscanning
    \stoptypescript

\stoptypescriptcollection

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\setupbodyfont[noto,ss]

\starttext

\samplefile{knuth}

% \showmakeup[mathglue]
% \showglyphs

\startformula
x = \frac{-b \pm \sqrt{b^2-4ac}}{2a} \breakhere

\int_0^n e^x \dd x \breakhere

\int_a^b f'(x) \dd x = f(b) - f(a) \breakhere

x+\mrightarrow{1+2}{a+b+c} + \wideoverrightharpoon{x+y+z+u+v+w} + \widetilde{x+y+z+u+v+w}
\stopformula

\stoptext

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Re: How to use noto sans math font?

[Li Yanrui (李延瑞) via ntg-context]

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Mikael Sundqvist via ntg-context <ntg-context@ntg.nl> 于2023年4月5日周三 18:26写道：

> Hi,
>
> No intend to be complete or so (not by computer either, so could not look
> into it), it was just for a test a while back. But it could serve as a
> start.
>
> /Mikael
>

Hi Mikael,

Thanks for your reply. I used the typescript you provided but still get the
error as below

  Math error: parameter 'supshiftup' with id 51 in style 2 is not set


-- 
Best regards,

Li Yanrui

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___________________________________________________________________________________

Re: How to use noto sans math font?

[Mikael Sundqvist via ntg-context]

Hi,

On Thu, Apr 6, 2023 at 2:56 AM Li Yanrui (李延瑞) via ntg-context
<ntg-context@ntg.nl> wrote:
>
>
>
> Mikael Sundqvist via ntg-context <ntg-context@ntg.nl> 于2023年4月5日周三 18:26写道：
>>
>> Hi,
>>
>> No intend to be complete or so (not by computer either, so could not look into it), it was just for a test a while back. But it could serve as a start.
>>
>> /Mikael
>
>
> Hi Mikael,
>
> Thanks for your reply. I used the typescript you provided but still get the error as below
>
>   Math error: parameter 'supshiftup' with id 51 in style 2 is not set

OK. I see the link to google fonts above. I am not sure they have the
latest version. There were lots of fixes in this font recently (in
particular I think a math table was added, so that the font really is
identified as a math font, but I might be wrong about that). The one I
used was downloaded from

https://github.com/notofonts/math/releases/tag/NotoSansMath-v2.539

and that still seems to be the latest. I now compiled my file again,
and still no error here.

/Mikael
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___________________________________________________________________________________

Re: How to use noto sans math font?

[Li Yanrui (李延瑞) via ntg-context]

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Mikael Sundqvist via ntg-context <ntg-context@ntg.nl> 于2023年4月6日周四 13:00写道：

> Hi,
>
> On Thu, Apr 6, 2023 at 2:56 AM Li Yanrui (李延瑞) via ntg-context
> <ntg-context@ntg.nl> wrote:
> >
> >
> >
> > Mikael Sundqvist via ntg-context <ntg-context@ntg.nl> 于2023年4月5日周三
> 18:26写道：
> >>
> >> Hi,
> >>
> >> No intend to be complete or so (not by computer either, so could not
> look into it), it was just for a test a while back. But it could serve as a
> start.
> >>
> >> /Mikael
> >
> >
> > Hi Mikael,
> >
> > Thanks for your reply. I used the typescript you provided but still get
> the error as below
> >
> >   Math error: parameter 'supshiftup' with id 51 in style 2 is not set
>
> OK. I see the link to google fonts above. I am not sure they have the
> latest version. There were lots of fixes in this font recently (in
> particular I think a math table was added, so that the font really is
> identified as a math font, but I might be wrong about that). The one I
> used was downloaded from
>


That font is indeed not the latest. I use the font you provided and no
problem now. Thank you very much!

-- 
Best regards,

Li Yanrui

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Re: How to use noto sans math font?

[Hans Hagen via ntg-context]

On 4/6/2023 6:59 AM, Mikael Sundqvist via ntg-context wrote:
> Hi,
> 
> On Thu, Apr 6, 2023 at 2:56 AM Li Yanrui (李延瑞) via ntg-context
> <ntg-context@ntg.nl> wrote:
>>
>>
>>
>> Mikael Sundqvist via ntg-context <ntg-context@ntg.nl> 于2023年4月5日周三 18:26写道：
>>>
>>> Hi,
>>>
>>> No intend to be complete or so (not by computer either, so could not look into it), it was just for a test a while back. But it could serve as a start.
>>>
>>> /Mikael
>>
>>
>> Hi Mikael,
>>
>> Thanks for your reply. I used the typescript you provided but still get the error as below
>>
>>    Math error: parameter 'supshiftup' with id 51 in style 2 is not set
> 
> OK. I see the link to google fonts above. I am not sure they have the
> latest version. There were lots of fixes in this font recently (in
> particular I think a math table was added, so that the font really is
> identified as a math font, but I might be wrong about that). The one I
> used was downloaded from
> 
> https://github.com/notofonts/math/releases/tag/NotoSansMath-v2.539
> 
> and that still seems to be the latest. I now compiled my file again,
> and still no error here.
Wondering. I didn't check but why start with a sans math and not a serif 
... are the sans alphabets replaced by a serif?

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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Re: How to use noto sans math font?

[Mikael Sundqvist via ntg-context]

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I will have to check, but a bit later. Meeting with my student soon.

/Mikael (who did not run the output from ChatGPT. Looked to me as if it was
the wrong way to give flags to shutdown anyways...)

Den tors 6 apr. 2023 09:07Hans Hagen via ntg-context <ntg-context@ntg.nl>
skrev:

> On 4/6/2023 6:59 AM, Mikael Sundqvist via ntg-context wrote:
> > Hi,
> >
> > On Thu, Apr 6, 2023 at 2:56 AM Li Yanrui (李延瑞) via ntg-context
> > <ntg-context@ntg.nl> wrote:
> >>
> >>
> >>
> >> Mikael Sundqvist via ntg-context <ntg-context@ntg.nl> 于2023年4月5日周三
> 18:26写道：
> >>>
> >>> Hi,
> >>>
> >>> No intend to be complete or so (not by computer either, so could not
> look into it), it was just for a test a while back. But it could serve as a
> start.
> >>>
> >>> /Mikael
> >>
> >>
> >> Hi Mikael,
> >>
> >> Thanks for your reply. I used the typescript you provided but still get
> the error as below
> >>
> >>    Math error: parameter 'supshiftup' with id 51 in style 2 is not set
> >
> > OK. I see the link to google fonts above. I am not sure they have the
> > latest version. There were lots of fixes in this font recently (in
> > particular I think a math table was added, so that the font really is
> > identified as a math font, but I might be wrong about that). The one I
> > used was downloaded from
> >
> > https://github.com/notofonts/math/releases/tag/NotoSansMath-v2.539
> >
> > and that still seems to be the latest. I now compiled my file again,
> > and still no error here.
> Wondering. I didn't check but why start with a sans math and not a serif
> ... are the sans alphabets replaced by a serif?
>
> 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
> -----------------------------------------------------------------
>
>
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
> maillist : ntg-context@ntg.nl /
> https://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : https://www.pragma-ade.nl / http://context.aanhet.net
> archive  : https://bitbucket.org/phg/context-mirror/commits/
> wiki     : https://contextgarden.net
>
> ___________________________________________________________________________________
>

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Re: How to use noto sans math font?

[Mikael Sundqvist via ntg-context]

Hi all,

On Thu, Apr 6, 2023 at 9:44 AM Mikael Sundqvist <mickep@gmail.com> wrote:
>
> I will have to check, but a bit later. Meeting with my student soon.
>
> /Mikael (who did not run the output from ChatGPT. Looked to me as if it was the wrong way to give flags to shutdown anyways...)

Sorry for that, I thought I was answering Hans, and tried to answer
two mails in one.

I don't know how the font is supposed to be used. I looked into it,
and found that these alphabets (I only give the first entry) are
indeed sans serif.

0041: an uppercase sans serif A
0061 a lowercase sans serif a
0391 an uppercase sans serif Alpha
03B1 a lowercase sans serif alpha

For the rest of the alphabets, it seems to me (but I might have missed
something) that the font follows the usual pattern, with for example
the lowercase italic alphabet (starting with 1D44E for lowercase
italic a), with serifs.

It has some arabic glyphs. I have not compared to see if they are the
same as the ones from Xits.

/Mikael
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