View source: R/stat-wl-strip.R
stat_wl_strip | R Documentation |
stat_wl_strip
computes color definitions according to human vision and
by default plots a narrow, guide-like colour gradient strip based on
wavelength. x
-scale transformations and axis flipping are
currently not supported.
stat_wl_strip(
mapping = NULL,
data = NULL,
geom = "rect",
position = "identity",
...,
w.band = NULL,
length.out = 150,
chroma.type = "CMF",
na.rm = TRUE,
show.legend = FALSE,
inherit.aes = TRUE
)
wl_guide(
mapping = NULL,
data = NULL,
position = "identity",
...,
chroma.type = "CMF",
w.band = NULL,
length.out = 150,
ymin = -Inf,
ymax = Inf,
na.rm = FALSE,
show.legend = FALSE,
inherit.aes = TRUE
)
mapping |
The aesthetic mapping, usually constructed with
|
data |
A layer specific dataset - only needed if you want to override the plot defaults. |
geom |
The geometric object to use display the data. |
position |
The position adjustment to use for overlapping points on this layer. |
... |
other arguments passed on to |
w.band |
waveband object or a list of such objects or NULL. |
length.out |
The number of steps to use to simulate a continuous range of colours when w.band == NULL. |
chroma.type |
character one of "CMF" (color matching function) or "CC"
(color coordinates) or a |
na.rm |
a logical value indicating whether NA values should be stripped before the computation proceeds. |
show.legend |
logical. Should this layer be included in the legends?
|
inherit.aes |
If |
ymin , ymax |
numeric used as aesthetics for plotting the guide. |
generic_spect object with new x
values plus other computed
variables described below.
(w.low + wl.high) / 2
boundary of waveband
boundary of waveband
color corresponding to wavelength
color corresponding to waveband
label of w.band
Set by the statistic and available to geoms.
..x..
as.character(..wb.f..)
..wl.low..
..wl.high..
..wb.color..
Required by the statistic and need to be set with aes()
.
numeric, wavelength in nanometres
This stat uses a panel function and ignores grouping as it is meant to be used for annotations.
color_of
, which is used internally.
Other stats functions:
stat_color()
,
stat_find_qtys()
,
stat_find_wls()
,
stat_label_peaks()
,
stat_peaks()
,
stat_spikes()
,
stat_wb_box()
,
stat_wb_column()
,
stat_wb_contribution()
,
stat_wb_hbar()
,
stat_wb_irrad()
,
stat_wb_label()
,
stat_wb_mean()
,
stat_wb_relative()
,
stat_wb_sirrad()
,
stat_wb_total()
,
stat_wl_summary()
# ggplot() methods for spectral objects set a default mapping for x and y.
ggplot(sun.spct) +
geom_line() +
stat_wl_strip(ymax = -0.02, ymin = -0.04) +
scale_fill_identity()
# on some graphic devices the output may show spurious vertical lines
ggplot(sun.spct) +
wl_guide(alpha = 0.33, color = NA) +
geom_line()
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