[NTG-context] clipping in metafun has weird side effects

Tobias Columbus tobias.columbus at gmail.com
Sun Nov 2 13:09:12 CET 2014


On Sun, Nov 02, 2014 at 11:29:24AM +0100, Hans Hagen wrote:
> On 10/31/2014 1:33 PM, Tobias Columbus wrote:
> >On Fri, Oct 31, 2014 at 12:22:37PM +0100, Hans Hagen wrote:
> >>On 10/31/2014 10:15 AM, Tobias Columbus wrote:
> >>
> >>>>>>def a_impl text t =
> >>>>>>   begingroup
> >>>>>>     save c ; picture c ; c := mycircle ;
> >>>>>>     clip c to bbox c scaled 0.5 ;
> >>
> >>try this to see what happens:
> >>
> >>% clip c to bbox c scaled 0.5 ;
> >>draw bbox c scaled 0.5 ;
> >>
> >>and then this to solve it:
> >>
> >>clip c to bbox (c scaled 0.5) ;
> >
> >I tried your suggestions and attached both the example and output. Drawing and
> >clipping solves the problem indeed. But using only the modified clip either does
> >not solve the problem, or I am just too stupid to implement your solution.
> >
> >Note also that in the modified example the context output coincides with the
> >mptopdf output if one draws the label before calling "test" the second time. (I
> >marked the position in the metapost file.)
> >
> >Sorry for probably getting on your nerves ...
> 
> hopefully ok in next beta
> 
> Hans

Seems to be fixed in 2014.11.02 12:23.

Thank you very much!
Tobias

> 
> 
> 
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