Re: centering text on a measure

[harm6]

David Nalesnik-2 wrote:
> 
> On Fri, Sep 16, 2011 at 3:49 PM, Thomas Morley <
> address@hidden> wrote:
> 
>>
>>
>> 2011/9/16 David Nalesnik <address@hidden>
>>
>>>
>>> Hi, Harm --
>>>
>>> On Thu, Sep 15, 2011 at 6:18 PM, harm6
>>> <address@hidden>wrote:
>>>
>>>>
>>>> I tested your definitions with a longer example using StaffGroup and
>>>> commented the not used parts with %{ ... %}. (see code below)
>>>> The log states: ERROR: Wrong type (expecting pair): ()
>>>>
>>>> And now the strangest thing: If I uncomment "two" it works!! ("two" is
>>>> a
>>>> copy of "one" and not called in the active StaffGroup!!!)
>>>> If I completely delete "two" out of the file it doesn't work.
>>>> If I comment eyery line of "two" with % it works!!
>>>> Some other combinations of commenting in/out parts of the code gives
>>>> the
>>>> same result.
>>>>
>>>> I've never heard of such a strange behaviour.
>>>>
>>>>
>>> Neither have I ...  Is the file as you send it supposed to create an
>>> error?
>>>
>>
>> Yes!
>> But compiling this morning: no error. In the evening I copied it again
>> from
>> the list (to avoid any carelessness), I compiled it without any changes,
>> and: ERROR: Wrong type (expecting pair): ()
>>
>> I don't not know what's going here !
>>
> 
> Hi, Harm --
> 
> I still have no idea why this error is occurring, but I've revised the
> file
> to include various checks.  So, if one or both of the grobs you're trying
> to
> center something between isn't there, or if they aren't found from left to
> right in the specified order, there shouldn't be an error.  I don't know
> if
> this fixes the problem, or just covers up the issue (meaning: maybe now
> you
> will see the file running without errors, but centering the grob in some
> instances, and not in others.)
> 
> I've experimented with your example, and I don't see any problems.  But
> that's no guarantee it will work for you... If you could try it out, that
> would be great!
> 
> Best,
> David
> 
> 
Hi David,

testing your newest code I've got no errors any more! But sometimes there is
a strange behaviour.

Testing the attached code I receive centerTest-1.pdf with an offset of the
red Line in the first score, that I can't explain. In the second score the
second voice seems to override the settings of the first.
If I comment out the second voice, the output is ok (apart from the lines)
and surprisingly the red line of the first score is moved to the correct
position! (centerTest-2.pdf).

Can you confirm this?

Regards,
  Harm

http://old.nabble.com/file/p32503335/centerGrobBetween_rev-test.ly
centerGrobBetween_rev-test.ly 
http://old.nabble.com/file/p32503335/centerTest-1.pdf centerTest-1.pdf 
http://old.nabble.com/file/p32503335/centerTest-2.pdf centerTest-2.pdf 
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