Re: [NTG-context] Presentation

2005-08-07 Thread Taco Hoekwater

piskala upendran wrote:

hello valle,

I did test your example. It complained as you said.
however, it works ok under miktex + winedt with the
following changes.

a. remove the small square in front of the
\usemodule[pre-08].
b. \input reich changed to knuth because \citaat of
reich is not decoded. I do not know the reason. Any
contexpert can only tell.otherwise it compiled
smoothly. you can try.


The file was never converted from dutch to english.
\citaat should be \quotation

Taco
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Re: [NTG-context] style in registers

2005-08-07 Thread Taco Hoekwater

Vit Zyka wrote:

Good evening,

I have opened another topic. Why both Hans's page numbers are bold?


Because Hans is much bolder than i am ;-)

Looks like this is on purpose, but I don't understand why.

Taco
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[NTG-context] encodings for Antiqwa

2005-08-07 Thread Mojca Miklavec


Hello,

In the following example \Scaron and \Zcaron are taken from the font, 
while \Ccaron is constructed using C and caron (the difference is 
clearly seen in the result as Ccaron is originally composed using C and 
Caron; caron and Caron are different in Antiqwa). I understand that this 
is because I use the wrong encoding (texnansi), but ec/il2 don't seem to 
work. In Antiqwa documentation I saw cork and cs encoding, which are 
both be OK, but it seems that ConTeXt isn't aware of them. (Cork is even 
better as this seems to be the only encoding where \dstroke is present.)


(I slowly begin to understand why the Croats deserved their own 
MacCroatian encoding [regime] :)


\definetypeface[antykwa][rm][serif][antykwa-torunska][default][encoding=texnansi]
\setupbodyfont[antykwa]
\starttext
\Ccaron\Scaron\Zcaron
\dstroke\Dstroke % also composed :(
\stoptext

Can anyone point me to the proper way to access other characters in a 
font, not present in any standard encoding? I know approximately that a 
.map file has to be written, a typescript file, encoding has to be 
defined somewhere, but I have never managed to make all those files 
cooperate together. (An example: how to access edblgrave, udblgrave, 
odblgrave, ... possibly in such a way that someone could use my (set of) 
documents without hundred sites of documentation how to compile them on 
his own computer.)


Thank you very much,
Mojca

(The more I know about the encodings, the more I hate them.)
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[NTG-context] Clipping a path to a boundary

2005-08-07 Thread David Arnold

All,

I'm looking for a new idea for something I need to do. I typically 
create a path on a domain [-5,5] as follows, a arbitrary. Then I 
randomly reflect the path about and axis, a line, or maybe rotate it. 
The result is that parts of the path may lie outside a bounding window.


% define linear function f
vardef f(expr x)=
a*x*x
enddef;

% define paths for functions f, g, and h, respectively
path P;

P:=(-5,f(-5));
for x=-5 step .1 until 5:
P:=P--(x,f(x));
endfor;

% initialize scale
numeric u; 10u=w;

% scale and draw graph
P:=P scaled u;
draw P withcolor blue;

% clipping path
path cpath;
cpath:=(-5,-5)--(5,-5)--(5,5)--(-5,5)--cycle;
cpath:=cpath scaled 1u;

% clip and save current picture
picture pic;
clip currentpicture to cpath;
pic:=currentpicture;

% erase currentpicture
currentpicture:=nullpicture;

Then I do some stuff I need to do and bring back the path at a later 
time with:


draw pic;

This works fine. However, what I need to do is somehow clip the path P 
to the bounding box, but retain the resulting cutpath in a path 
variable Q. That is, I need to cut off the parts of the path P that lie 
outside the bounding box cpath:=(-5,-5)--(5,-5)--(5,5)--(-5,5)--cycle 
and store the clipped path in the path variable Q. The difficulty is I 
have no advance knowledge if the path P lies entirely inside the 
bounding box or if it escapes through one of the sides.


Any hints, tips, etc., would be very appreciated.

Thanks.

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[NTG-context] Font size in FLOWchart module.

2005-08-07 Thread John R. Culleton
I am using the flowchart module to create various goodies. What
I don't know how to do is regulate the size of the font for the
text that goes inside the little boxes. Any suggestions?
- 
John Culleton
Books with answers to marketing and publishing questions:
http://wexfordpress.com/tex/shortlist.pdf

Book coaches, consultants and packagers:
http://wexfordpress.com/tex/packagers.pdf

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Re: [NTG-context] Clipping a path to a boundary

2005-08-07 Thread David Arnold

Hans,

I tried:

% redraw line
path q;
q:=pathpart pic;
drawdblarrow q withcolor blue;

But it drew the clipping path. I wanted the part of the path inside the 
clipping path.


Am I missing something in your directions?

On Aug 7, 2005, at 2:56 PM, Hans Hagen wrote:


David Arnold wrote:



This works fine. However, what I need to do is somehow clip the path 
P to the bounding box, but retain the resulting cutpath in a path 
variable Q. That is, I need to cut off the parts of the path P that 
lie outside the bounding box 
cpath:=(-5,-5)--(5,-5)--(5,5)--(-5,5)--cycle and store the clipped 
path in the path variable Q. The difficulty is I have no advance 
knowledge if the path P lies entirely inside the bounding box or if 
it escapes through one of the sides.


it all depends on what you want to do further on;
- you can do some cutbefore and cutafter trickery, i.e. determine 
intersectionpoints with the edges of the bbox and do some cutting


- if you just want the path back .. just ask for pathpart pic
Hans
-
 Hans Hagen | PRAGMA ADE
 Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
| www.pragma-pod.nl
-

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[NTG-context] Clipping a path to a boundary --- Being more specific

2005-08-07 Thread David Arnold

Hans et al,

Let me try to be more specific. Here is a file which is very typical of 
the way I draw graphs for my mathematics classes. When you compile, you 
will see the graph of the absolute value of x-1. That is, it draws the 
graph of y=|x-1|, but only after clipping it to the cpath.  What I 
would like to do is draw the graph with the drawdblarrow command so 
that the graph of the absolute value ends in arrowheads. So, I want to 
clip the graph to the bounding box, save the picture, null the picture, 
then somehow extract the path into the variable F in its clipped form 
(not the original path F that extends outside the clip path) so that I 
can replace the command draw pic with drawdblarrow F.


beginfig(0);

numeric a, c;
a=1;

% define function f(x)=|x-a|
vardef f(expr x)=
abs(x-a)
enddef;

% draw line with given point and slope
path F;
F:=(-5,f(-5));
for x=-5 step 1 until 5:
F:=F--(x,f(x));
endfor;

% initialize scale
numeric u; 10u=3in;

% the line
F:=F scaled 1u;
draw F withcolor blue;

% clipping path
path cpath;
cpath:=(-5,-5)--(5,-5)--(5,5)--(-5,5)--cycle;
cpath:=cpath scaled 1u;

% clip and save current picture
picture pic;
clip currentpicture to cpath;
pic:=currentpicture;
currentpicture:=nullpicture;

% erase currentpicture
currentpicture:=nullpicture;

% draw grid
for k=-5u step 1u until 5u:
draw (-5u,k)--(5u,k) withcolor 0.85white;
draw (k,-5u)--(k,5u) withcolor 0.85white;
endfor;

% draw axes
drawarrow (-5u,0)--(5u,0);
drawarrow (0,-5u)--(0,5u);

% label axes
label.rt(btex $x$ etex, (5.2u,0));
label.top(btex $y$ etex, (0,5.2.u));
label.bot(btex $5$ etex, (5u,0));
label.lft(btex $5$ etex, (0,5u));

% redraw line
draw pic;

endfig;

end.

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