[NTG-context] Rotating an image

Wolfgang Schuster schuster.wolfgang at gmail.com
Thu Oct 15 17:27:58 CEST 2015


> Fabrice Couvreur <mailto:fabrice1.couvreur at gmail.com>
> 12. Oktober 2015 um 20:58
> A small question not directly related context.
> I would like to turn my image 15 degrees.
> Thanks,
> Fabrice
>
> picture pic ;
> pic := currentpicture ;
> u := 0.5cm ;
> z1 = origin ;
> z2 = (9u, 0) ;
> path p ;
> p := fullcircle scaled 14u ;
> path q ;
> q := p shifted (9u,0) ;
> pair A ;
> A := p intersectionpoint q ;
> path a ;
> a := z1 -- z2 ;
> path b ;
> b := z1 -- A ;
> path c ;
> c := z2 -- A ;
> draw a ;
> draw b ;
> draw c ;
> pair I ;
> pair J ;
> I := point 0.6 of b ;
> J := point 0.6 of c ;
> draw I -- J ;
> pair L ;
> L := point 0.8 of b ;
> label.top("A", A) ;
> label.lrt("C", z2) ;
> label.llft("B", origin) ;
> label.ulft("I", I) ;
> label.urt("J", J) ;
> label.ulft("$x$", L) ;
> draw pic rotated 15 ;
>
\startMPpage
picture pic ;
u := 0.5cm ;
z1 = origin ;
z2 = (9u, 0) ;
path p ;
p := fullcircle scaled 14u ;
path q ;
q := p shifted (9u,0) ;
pair A ;
A := p intersectionpoint q ;
path a ;
a := z1 -- z2 ;
path b ;
b := z1 -- A ;
path c ;
c := z2 -- A ;
draw a ;
draw b ;
draw c ;
pair I ;
pair J ;
I := point 0.6 of b ;
J := point 0.6 of c ;
draw I -- J ;
pair L ;
L := point 0.8 of b ;
label.top("A", A) ;
label.lrt("C", z2) ;
label.llft("B", origin) ;
label.ulft("I", I) ;
label.urt("J", J) ;
label.ulft("$x$", L) ;
pic := currentpicture ;
currentpicture := nullpicture;
draw pic rotated 15 ;
\stopMPpage

You can also rotate the image when you place it in your document with 
\rotate[rotation=15]{...}.

Wolfgang
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