[softwarelist] Leading calculation for lines of differing sizes
- From: "John Grogan" <johngrogan@xxxxxxxxxxxx>
- To: "David Pilling \(softwarelist\)" <davidpilling@xxxxxxxxxxxxx>
- Date: Sun, 21 Jan 2007 00:49:09 -0000
Hello, David,
When using relative leading between lines of differing sizes, I note that (for
Homerton Medium font) the actual leading is the given percentage of the size of
the line above the leading plus approximately 0.225 * ( size of line below -
size of line above ). Is this how the leading is calculated? If so, is the
0.225 (a) correct, (b) universal for all fonts and sizes and (c) arbitrary - or
does it have some deep mystical significance?
Regards
John Grogan
PS: I couldn't find any reference to the subject in the manual but I did notice
a couple of typos in the section about relative leading. In the first
paragraph, it says that the line spacing is 45pt + 20% of 54pt (instead of
45pt) and in Fig 5.7 it shows the results of this calculation as 54.09pt
(instead of 54pt).
John Grogan
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