as_npc | R Documentation |
Convert character coordinates to npc units and shift postions to avoid overlaps when grouping is active. If numeric validate npc values.
as_npc( value, group = 1L, step = 0.1, margin.npc = 0.05, axis = c("xy", "x", "y") ) as_npcx(value, group = 1L, step = 0.1, margin.npc = 0.05) as_npcy(value, group = 1L, step = 0.1, margin.npc = 0.05)
value |
numeric (in [0-1]) or character vector of coordinates. If
character, should be one of |
group |
integer ggplot's group id. Used to shift coordinates to avoid overlaps. |
step |
numeric value in [0-1]. The step size for shifting coordinates in npc units. Considered as horizontal step for x-axis and vertical step for y-axis. For y-axis, the step value can be negative to reverse the order of groups. |
margin.npc |
numeric [0-1] The margin added towards the nearest plotting area edge when converting character coordinates into npc. |
axis |
the concerned axis . Should be one of |
the as_npc()
function is an adaptation from
ggpmisc::compute_npc()
.
A numeric vector with values in the range [0-1] representing npc coordinates.
as_npc()
: converts x or y coordinate values into npc. Input values
should be numeric or one of the following values c('right', 'left',
'bottom', 'top', 'center', 'centre', 'middle')
.
as_npcx()
: converts x coordinate values into npc. Input values should
be numeric or one of the following values c('right', 'left',
'center', 'centre', 'middle')
. Wrapper around as_npc(axis = "x")
.
as_npcy()
: converts y coordinate values into npc. Input values should
be numeric or one of the following values c( 'bottom', 'top',
'center', 'centre', 'middle')
. Wrapper around as_npc(axis = "y")
.
npc_to_data_coord
, get_coord
.
as_npc(c("left", "right")) as_npc(c("top", "right"))
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