geomaterials_ri_range: retrieve the geomaterials whose refractive index is within an given range(gt,lt).
Description
: Queries the list of geomaterials that have refractive index within an given range(gt,lt).
Usage
geomaterials_ri_range(gt,lt, ...)
Value
df, a data frame of geomaterials
Arguments
gt
float value. Refractive index, from (rimax>=).
lt
float value. Refractive index, to (rimin<=)
...,
Further named parameters.Other optional arguments.
Details
This function releated to the fields "ri_min" and "ri_max" of geomaterials.
retrieve all the geomaterials that has the refractive index within the range of (gt,lt).