Stave space
The default value for the sp unit is 1.764. Why this value?
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The default value for the sp unit is 1.764. Why this value?
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Comments
Not exactly sure why it's so precise (maybe because of inch/mm conversion) but it's about 7mm for a staff height and it seems 7mm is standard for single parts, piano music and songs. (See Behind Bars by Elaine Gould, page 483)
In reply to Not exactly sure why it's so by [DELETED] 5
I highly doubt it has to do with inch/mm conversion, because 1.764 mm = 0.069448819 inches!
In reply to Not exactly sure why it's so by [DELETED] 5
It looks like that there is no justification for such a strange values.
Can you change it to 1.75 (1/4 of 7mm standard staff height)?
Could it be...?
In typesetting there is a measure called a "pica"
A pica has been defined as 1/6 of an inch or 0.1660 inches
A pica can be divided into 12 points
A common height for a stave is 20 points
There are approximately 25.4mm in an inch
20 points = 20 picas divided by 12 = 0.277777778
Converting this to millimetres we get 7.055555556
Dividing this by 4 (there are four spaces) gives approximately 1.764
Some allowance might need to be made for "British", "American" and "International" inch definitions.
In reply to Could it be...? In by underquark
In conclusion:
1 pica = 1/6 inch
1 point = 1/12 pica
1 point = 1/72 inch
1 point = 0.0353 mm
1 stave = 20 points
1 sp = 5 points
1 sp = 1.764 mm
In reply to In conclusion: 1 pica = 1/6 by Vinella
That makes sense!
In reply to That makes sense! by Isaac Weiss
Only if 1 point = 0.353 mm, and *not* 0.0353 mm... yes?
;-)
In reply to Only if 1 point = 0.353 mm, by Jm6stringer
Of course :)