Trevor Daniels wrote:
>
>
> There's a fair bit on fiddling with glissando lines in Section
> 5.4.6 of the Notation Reference under Using the line spanner
> interface. If you've not seen this maybe it will help.
>
thanks Trevor!
i had read it before and reread it now - and still i feel a bit
uncomfortable when using textSpanners for this purpose.
to illsutrate what i meant i have added the code of the various steps i went
thru:
\version "2.13.16"
% i have added a parameter - padleft - to simplify coding:
gliss = #(define-music-function (parser location shift pad padleft) (pair?
number? number?) #{
\once \override TextSpanner #'style = #'line
\once \override TextSpanner #'bound-details #'left #'padding = #$padleft
\once \override TextSpanner #'bound-details #'right #'padding = #1
\once \override TextSpanner #'extra-offset = #$shift
\override TextSpanner #'(bound-details right Y) = #$pad
\once \override TextSpanner #'bound-details #'right #'text = #'()
#})
{\gliss #'(0 . -2 ) #'1.0 #'1.0 <g''-1>2 \startTextSpan e'' <b''-1>
\stopTextSpan}
% now shift with extra-offset vertically up by -1 to have the glissando on
the fingering height
{\gliss #'(0 . -1.0) #'1.0 #'1.0 <g''-1>2 \startTextSpan e'' <b''-1>
\stopTextSpan}
% this works - but the left padding is to small
% augment the left padding to 1.1
{\gliss #'(0 . -1.0) #'1.0 #'1.1 <g''-1>2 \startTextSpan e'' <b''-1>
\stopTextSpan}
% this is still to near to the fingering indication
% augment the left padding to 1.4
{\gliss #'(0 . -1.0) #'1.0 #'1.4 <g''-1>2 \startTextSpan e'' <b''-1>
\stopTextSpan}
% the text spanner falls down between the notes!
% does it help to change the extra-offset now? note that it has to be raised
now!
{\gliss #'(0 . .5) #'1.0 #'1.4 <g''-1>2 \startTextSpan e'' <b''-1>
\stopTextSpan}
% i found that .5 looks good - although i had expected a value of approx. 1
(staff spaces?!) to fit.
could this be achieved in a simpler way?
--
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