Re: [NTG-context] question about MP drawing with dir
On 05/24/2018 10:23 PM, Alan Braslau wrote: > On Thu, 24 May 2018 21:01:59 +0200 > Pablo Rodriguez wrote: > >> dir seems magic to me. I don’t understand how it works, not even how >> it can be used for drawing not having an origin. > > All MP drawings have an origin (0,0). I thought origin had to be explicitly set. > (dir angle) returns a pair on a unit circle surrounding the origin, i.e. > (cosd angle,sind angle) where cosd is the cosine function operating on > an angle in degrees. Well, I need to refresh my math from high school (centuries ago :-)) to remember what cosine and sine are. Many thanks for your explanation, Pablo -- http://www.ousia.tk ___ 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://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___
Re: [NTG-context] question about MP drawing with dir
On 05/24/2018 09:33 PM, Hans Hagen wrote:
> [...]
> reusing a picture is more efficient
>
> \startMPpage
> draw fullcircle scaled (.06TextWidth - .05LineHeight);
> picture t ; t := textext("\cldcontext{utf.char(0xEB09)}") ;
> for m=1 step 2 until 10 :
> path s ; s := (dir30--dir150--dir315--dir90--dir225--cycle)
> scaled m;
> n := (m * 50) ;
> o := (m / 5) ;
> for i=0 upto n :
>draw t scaled (o * .025) shifted point (i/n*length s) of s ;
> endfor
> endfor
> \stopMPpage
Many thanks for the improvement, Hans.
Pablo
--
http://www.ousia.tk
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Re: [NTG-context] index x-ref problem
This is fixed in the latest beta. Thanks, Hans!
Alan
On Sat, May 19, 2018 at 8:05 AM Alan Bowen wrote:
> IF I am doing this correctly, then, there seems to be problems in the
> current standalone when there are two x-refs to a single heading. The
> space after “and” is missing and should the order of the refs not be
> alphabetical?
>
> MWE
>
> \starttext
> \seeindex{animal}{cat}
> \seeindex{animal}{quadruped}
>
> %\seeindex{animal}{whiskers}
>
> The \index{cat}cat has \index{whiskers} whiskers.
> \blank[3*big]
> \placeindex
> \stoptext
>
> Uncomment the \seeindex{animal}{whiskers} and it gets even messier.
>
> Alan
>
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