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: Queries the list of geomaterials that have lower birifrigence than lt.

Usage

geomaterials_bi_range(gt,lt, ...)

Arguments

gt

float value.Birifrigence is calculated from refractive index as (rimax-rimin).Range: bi_min - bi_max.

lt

float value.Birifrigence is calculated from refractive index as (rimax-rimin).Range: bi_min - bi_max.

...,

Further named parameters.Other optional arguments.

Value

df, a data frame of geomaterials

Details

This function releated to the fields "bi_min"and "bi_max" of geomaterials. retrieve all the geomaterials that has the birifrigence within the given range of (gt,lt).

Examples

if (FALSE) {
df <-geomaterials_bi_range(0.2,0.3)
}