geomaterials_ri_lt {OpenMindat}

retrieve the geomaterials that refractive index lower than an given value(lt).

Description

: Queries the geomaterials have the lower refractive index than an given value(lt).

Usage

geomaterials_ri_lt(lt,...)

Arguments

lt

float value. Refractive index, to (rimin<=)

...

Further named parameters.Other optional arguments.

Details

This function releated to the field "ri_max" of geomaterials. retrieve the geomaterials with the refractive index lower than an given value(lt).

Value

df, a data frame of geomaterials

Examples

## Not run: 
df <-geomaterials_ri_lt(0.5)

## End(Not run)