Re: Hatches

[David Kastrup]

Janek Warchoł <address@hidden> writes:

> I think Urs already knows the answer, but for the archives' sake:
>
> 2014-01-23 Urs Liska <address@hidden>:
>> Hi,
>>
>> I never worked with that kind of stuff, so I'd like to get some feedback and
>> hints _before_ digging into the docs myself. So I explicitly don't expect
>> ready solutions, just a few comments if my approach would be right.
>>
>> I'm looking for a way to typeset hatched cancellations in manuscripts such
>> as in the attached images.
>>
>> I would approach this kind of stuff by drawing lines in a markup, is that
>> the right way?
>>
>> And (more importantly) would it be possible to write a markup function where
>> I can
>> - create an arbitrary shape (with a path?)
>> - make this shape itself transparent
>> - fill this shape with hatches
>> - configure angle, density, thickness of the hatches
>> ?
>>
>> And, additionally, would it be possible to write a function that (more or
>> less) automatically applies such a cancellation to beams or subbeams as
>> shown in the images?
>
> I'm pretty sure that the answer is "yes".  It  wouldn't be trivial,
> but i think someone like Harm or David N/K could do it.

No point in mentioning "David K" here as his qualification/experience is
not better than "any general-purpose programmer".  It's really more in
the ballpark of the amazing feats Harm and David N pull off.

-- 
David Kastrup