Line-width, Staff Size, Print Size

[Reilly]

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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Re: Line-width, Staff Size, Print Size

[Carl Sorensen]

Reilly reilly at together.net writes:

 
 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.
 

If it were me, I'd set the paper size for the 11x14 and 9.5x12 and let lilypond
generate the pdf's at the true size.  Then I'd use acrobat reader or some other
printer to automatically resize the lager-size outputs for local printing on my
8 1/2x 11 inch paper.

Carl Sorensen



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Re: Line-width, Staff Size, Print Size

[Karl Hammar]

 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?

Depends on your printer and it might call for minor adjustments.
But it should be 1:1. Print out a grid and find out.

 If I specify that the line-width = 178 mm, is it truly 178 mm?
...

I did a test run with a score with linewidth = 155 \mm, and it come out 
as 155mm plus 1-1.5mm for the choral staff bracket.

Why don't you simply test it.

/Karl




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