scale_x_wl_continuous | R Documentation |
Scale x continuous with defaults suitable for wavelengths in nanometres.
scale_x_wl_continuous(
unit.exponent = -9,
name = w_length_label(unit.exponent = unit.exponent, label.text = label.text,
axis.symbols = axis.symbols),
breaks = scales::pretty_breaks(n = 7),
labels = SI_pl_format(exponent = unit.exponent + 9),
label.text = axis_labels()[["w.length"]],
axis.symbols = getOption("ggspectra.axis.symbols", default = TRUE),
...
)
unit.exponent |
integer |
name |
The name of the scale, used for the axis-label. |
breaks |
The positions of ticks or a function to generate them. |
labels |
The tick labels or a function to generate them from the tick positions. |
label.text |
character Textual portion of the labels. |
axis.symbols |
logical If |
... |
other named arguments passed to |
This scale automates the generation of axis labels when the variable
mapped to the x aesthetic contains numeric values for wavelengths
expressed in nanometres. This is how spectral data are stored in all the
packages of the R for Photobiology suite, inlcuding the the expected data
by the autoplot()
methods defined in 'ggspectra'.
This function only alters two default arguments, please, see
documentation for scale_continuous
ggplot(sun.spct) +
geom_line() +
scale_x_wl_continuous()
ggplot(sun.spct) +
geom_line() +
scale_x_wl_continuous(unit.exponent = -6)
ggplot(sun.spct) +
geom_line() +
scale_x_wl_continuous(label.text = "Longitud de onda,")
autoplot(sun.spct) +
scale_x_wl_continuous(label.text = "Longitud de onda,",
unit.exponent = -6)
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