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4.1.2 Paper size and automatic scaling
| Setting the paper size | ||
| Automatic scaling to paper size |
Setting the paper size
‘A4’ is the default value when no explicit paper size is set. However, there are two functions that can be used to change it:
-
set-default-paper-size -
#(set-default-paper-size "quarto")
which must always be placed at the toplevel scope, and
-
set-paper-size -
\paper { #(set-paper-size "tabloid") }which must always be placed in a
\paperblock.
If the set-default-paper-size function is used in the toplevel
scope, it must come before any \paper block.
set-default-paper-size sets the paper size for all pages,
whereas set-paper-size only sets the paper size for the pages
that the \paper block applies to. For example, if the
\paper block is at the top of the file, then it will apply the
paper size to all pages. If the \paper block is inside a
\book, then the paper size will only apply to that book.
When the set-paper-size function is used, it must be
placed before any other functions used within the same
\paper block. See Automatic scaling to paper size.
Paper sizes are defined in ‘scm/paper.scm’, and while it is possible to add custom sizes, they will be overwritten on subsequent software updates. The available paper sizes are listed in Predefined paper sizes.
The following command can be used in the file to add a custom paper size
which can then be used with set-default-paper-size or
set-paper-size as appropriate,
#(set! paper-alist (cons '("my size" . (cons (* 15 in) (* 3 in))) paper-alist))
\paper {
#(set-paper-size "my size")
}
The units in (inches), cm (centimeters) and mm
(millimeters) can all be used.
If the symbol 'landscape is added to the paper size function,
pages will be rotated by 90 degrees, and wider line widths will be set
accordingly.
#(set-default-paper-size "a6" 'landscape)
Swapping the paper dimensions without having the print rotated (like when printing to postcard size, or creating graphics for inclusion rather than a standalone document) can be achieved by appending ‘landscape’ to the name of the paper size itself:
#(set-default-paper-size "a6landscape")
When the paper size ends with an explicit ‘landscape’ or
‘portrait’, the presence of a 'landscape symbol only
affects print orientation, not the paper dimensions used for layout.
Vegeu també
Notation Reference: Automatic scaling to paper size, Predefined paper sizes.
Installed Files: ‘scm/paper.scm’.
Automatic scaling to paper size
If the paper size is changed with one of the scheme functions
(set-default-paper-size or set-paper-size), the
values of several \paper variables are automatically scaled
to the new size. To bypass the automatic scaling for a particular
variable, set the variable after setting the paper size. Note
that the automatic scaling is not triggered by setting the
paper-height or paper-width variables, even though
paper-width can influence other values (this is separate
from scaling and is discussed below). The
set-default-paper-size and set-paper-size functions
are described in Setting the paper size.
The vertical dimensions affected by automatic scaling are
top-margin and bottom-margin (see
Fixed vertical spacing \paper variables).
The horizontal
dimensions affected by automatic scaling are left-margin,
right-margin, inner-margin, outer-margin,
binding-offset, indent, and short-indent (see
Horizontal spacing \paper variables).
The default values for these dimensions are set in
‘ly/paper-defaults-init.ly’, using internal variables named
top-margin-default, bottom-margin-default, etc.
These are the values that result at the default paper size
a4. For reference, with a4 paper the
paper-height is 297\mm and the paper-width is
210\mm.
Vegeu també
Notation Reference:
Fixed vertical spacing \paper variables,
Horizontal spacing \paper variables.
Installed Files: ‘ly/paper-defaults-init.ly’, ‘scm/paper.scm’.
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