Re: [Spam] Re: [Spam] Re: Spanner right-hand text may disappear when padded

[David Nalesnik]

On Mon, Oct 17, 2016 at 9:35 AM, David Nalesnik
<address@hidden> wrote:
> On Mon, Oct 17, 2016 at 8:26 AM, Rutger Hofman <address@hidden> wrote:
>> Thanks for all the help! First I post some rationale, then my real question,
>> which is targeted at the developers I guess.
>>
>> The behaviour I am after is a thing I really do want: it is visually
>> confusing if the 'a tempo' comes halfway the 'poco rit.)' when it is clearly
>> meant to be after it.
>>
>> I am afraid that solutions involving staff-padding are not general enough;
>> if I try to move the \markup{a tempo} in my example to the beginning of its
>> bar, there is no value for right.text padding or staff-padding that lets it
>> be both visible and at the same vertical position. And even then I am unsure
>> if it will work for all 14 instrument parts (the tempo indications are
>> needed in all), the skyline can be wildly different.
>
> I'm having difficulty understanding exactly what it is that you want
> or why the solutions presented are insufficient.  Is it possible to
> provide some sort of mockup--if if hand-drawn--to show exactly how
> you'd like this to look?
>
>> OK... Now for the real question.
>>
>> I am really unenlightened why the right.text (or for that matter, both
>> left.text and right.text if the padding is chosen sufficiently large)
>> disappears for largish values of padding. After all, the padding is intended
>> to stretch outside the texts, isn't that correct?
>>
>> For a quick attempt to see if things crash or whatever if this test is
>> disabled, I cloned git and built on my Ubuntu, verified quickly that the
>> unmodified install works, then commented out that test (line 329 in
>> lily/line-spanner.cc) and ran again. Lo and behold, everything looks OK in
>> my first quick tests.
>>
>> I am not familiar with Lilypond internals, so this raises my question: what
>> is this test for? What problems does it guard against? Should it only hold
>> for other spanners than text spanners? Or for right-broken text spanners?
>> Etc. Or is it just a bug/feature silently living on from the past?
>
> When I fiddled around this a few days ago, the dashed line would
> disappear when doing this.  Modifying the code to show the dashed line
> again (another condition) shows the line superimposed on the right
> text.
>
> I can't investigate this further/pass along my test code for you to
> investigate, b/c unfortunately I'm having a file permissions disaster
> on my Win10 system.
>
> David