Re: Cropped output (à la -dpreview) possible in Finale and Sibelius

[David Kastrup]

Alexander Kobel <address@hidden> writes:

> On 04/09/2013 08:26 PM, Janek Warchoł wrote:
>> 2013/4/9 Werner LEMBERG<address@hidden>:
>>>
>>>> It's a very hard problem and probably not solvable.
>>>
>>> Ah, I misread, sorry.  Yes, it might be worth to test with line
>>> strokes.
>>
>> I find it most interesting that apparently there is some way to solve
>> this problem.  If line strokes render perfectly, why rounded
>> rectangles don't?
>
> A completely random guess from an almost, but not quite, entirely
> clueless person: because lines have a unique direction, while
> rectangles have two.  Hence, for a rectangle one of the two choices is
> bogus.
> It might be clever for one type of documents (e.g, Lilypond scores
> with lots of stems) to take the smaller extent as stroke width, but
> you never know about the side effects for other documents.  And that's
> why they don't do it.
> Besides, rectangles bound /regions,/ and I see a valid point in not
> willfully changing regions or areas.  For lines, it's slightly more
> likely that the designer intended the object to be a line than for
> rectangles.
>
> But it might just be that this SA thingie has to be set:
> <http://lists.gnu.org/archive/html/lilypond-user/2006-06/msg00275.html>

strokeadjust is useful when drawing lines which should show a given
thickness in preference to having best-fit left and right boundaries
when viewed independently.  However, rounded rectangles are not lines.

-- 
David Kastrup