geomaterials_ri_lt {OpenMindat} | R Documentation |
: Queries the geomaterials have the lower refractive index than an given value(lt).
geomaterials_ri_lt(lt,...)
lt |
float value. Refractive index, to (rimin<=) |
... |
Further named parameters.Other optional arguments. |
This function releated to the field "ri_max" of geomaterials. retrieve the geomaterials with the refractive index lower than an given value(lt).
df, a data frame of geomaterials
## Not run:
df <-geomaterials_ri_lt(0.5)
## End(Not run)