This function can be used to control the single global whitepoint that affects all color conversions within the package (that require a whitepoint, i.e., go through XYZ).
Either missing (to query the whitepoint) or
whitepoint returns an XYZ color object for the whitepoint
(invisibly in case a new whitepoint was set).
XYZ and color-class.
# query current whitepoint (D65 by default) whitepoint() # Illuminant E whitepoint(XYZ(100, 100, 100)) # equivalently whitepoint(100, 100, 100) whitepoint(c(100, 100, 100)) whitepoint(cbind(100, 100, 100)) whitepoint() ## reset whitepoint(NULL) whitepoint()
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