Re: [NTG-context] checking whether file is landscape or portrait

2020-01-29 Thread Pablo Rodriguez
On 1/29/20 2:31 PM, Arthur Reutenauer wrote:
> On Tue, Jan 28, 2020 at 05:43:36PM +0100, Pablo Rodriguez wrote:
>> I’m afraid this is the second time I’m aware of the existence of \ifdim
>> (the first time was when reading previous message from Taco ).
>
>   It’s a TeX primitive.  From the TeXbook, chapter 20:
>
>   * \ifdim  (compares two dimensions)
>   This is like \ifnum, but it compares two  values.  For
>   example, to test whether the value of \hsize exceeds 100pt, you
>   can say ‘\ifdim\hsize>100pt’.
>
>   The definition of \ifnum, right above it, states:
>
>   * \ifnum  (compares two integers)
>   The  must be either ‘<’ or ‘=’ or ‘>’.  The two
>   integer numbers are compared to each other in the usual way, and
>   the result is true or false accordingly.

Many thanks for your reply, Arthur.

The explanation is extremely clear. I think I should try to read the
TeXbook (but I need time for this first).

Many thanks for your help,

Pablo
--
http://www.ousia.tk
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Re: [NTG-context] removing extra margins

2020-01-29 Thread Pablo Rodriguez
On 1/28/20 10:14 PM, Henri Menke wrote:
> On 1/29/20 10:09 AM, Pablo Rodriguez wrote:
>> [...]
>> How could I crop 2ex from the left and top margins in the code above?
>
> https://wiki.contextgarden.net/Using_Graphics#Image_Clipping

Many thanks for your reply, Henri.

This is exactly what I was looking for. But I had only “crop” in mind.

Many thanks for your help,

Pablo
--
http://www.ousia.tk
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Re: [NTG-context] checking whether file is landscape or portrait

2020-01-29 Thread Arthur Reutenauer
On Tue, Jan 28, 2020 at 05:43:36PM +0100, Pablo Rodriguez wrote:
> I’m afraid this is the second time I’m aware of the existence of \ifdim
> (the first time was when reading previous message from Taco ).

  It’s a TeX primitive.  From the TeXbook, chapter 20:

* \ifdim  (compares two dimensions)
This is like \ifnum, but it compares two  values.  For
example, to test whether the value of \hsize exceeds 100pt, you
can say ‘\ifdim\hsize>100pt’.

  The definition of \ifnum, right above it, states:

* \ifnum  (compares two integers)
The  must be either ‘<’ or ‘=’ or ‘>’.  The two
integer numbers are compared to each other in the usual way, and
the result is true or false accordingly.

  Best,

Arthur
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[NTG-context] margintext and floats in the margin

2020-01-29 Thread Otared Kavian
Hi,

Is it possible to put some short notes in the margin, together with a float?
Below is an example, which puts the float on top of the text in the margin.
The option « stack=yes » works fine for the margintext when there is no float, 
but it does not seems to be an option which puts the figure and margintext in a 
sort of stack.

Thanks for any advice: Otared K.

% begin margintext-float.tex
\setuppapersize[A4][A4]
\setuplayout[
width=120mm,
leftmargin=25mm,rightmargin=50mm]

\setupmargindata[margintext]
[align=raggedright,
stack=yes,
location=outer,
style={\rm}]

\showframe
\startbuffer[sine]
numeric u ; u = 5mm ;
draw function (1,"x","1.5*sin(x)",0,710/113,.01) scaled u 
withcolor transparent(1,.5,darkblue) 
withpen pencircle scaled 2pt ;
\stopbuffer

\starttext

This is some text.\margintext{This is a remark in the margin.}
This is some more text.\margintext{This text is also in the margin.}
\startplacefigure[location=outermargin,number=no]
\scale[width=\rightmarginwidth]{\processMPbuffer[sine]}
\stopplacefigure

\stoptext
% end margintext-float.tex

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