Functions that convert or add related physical quantities to
object_spct objects. transmittance (fraction)
into absorptance (fraction).
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an filter_spct or a filter_mspct object.
character Allowed values "replace" and "add".
logical replace off-boundary values before conversion
These functions are dispatchers for
dispatch is based on the names of the variables stored in
do not support in-place modification of
A copy of
x with the columns for the different quantities
added or replaced. If
action = "replace", in all cases, the
additional columns are removed, even if no column needs to be added.
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