What is the relationship between the "digital size" of the line-width
and staff height (in Lilypond specs, in the .ps file, and in the .pdf
file) and the printed output? Is it true and invariant?
If I specify that the line-width = 178 mm, is it truly 178 mm?
If I specify a staff height (#(set-global-staff-size 17.82)), is the
staff height truly 6.3 mm?
Here's the situation: up to now I have printed out my musical
manuscripts at home and adjusted the staff size by eye and ruler. If I
needed enlargements, I photocopied and enlarged the original by eye and
ruler.
I am now preparing a major orchestral score and parts and sending the
.pdf files electronically to a print shop. I will format the musical
score for an 8.5 x 11 in original so that the print shop will enlarge
the score "perfectly" to 11x14 inches and the parts to 9.5 x 12 inches
respectively.
I need to tell the print shop the enlargement percentages. I am not
asking for help in arithmetic here --- I can do the math. For example,
if I wanted 1 inch margins in my 11 x 14 in score (and if I were
printing directly onto 11 x 14 inch paper), I would set the line-width
= 228.6 mm for 11x14 in paper. *However,* since I am formatting the
score for 8.5 x 11 in paper, I must scale the line-width to 177.2 mm
(78% reduction). Then the printer will enlarge the " digital original"
by 129% to yield a final size of 228.6 mm.
Will this reasoning hold accurately in the digital realm?
Any pitfalls to watch out for?
Much obliged.
Jeremiah
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