geomaterials_bi_greater_than {OpenMindat} | R Documentation |
: Queries the list of geomaterials that minmum value of the given birifrigence value.
geomaterials_bi_greater_than(gt, ...)
gt |
float value.Birifrigence is calculated from refractive index as (rimax-rimin).Range: bi_min - bi_max. |
... |
Further named parameters.Other optional arguments. |
This function releated to the field "bi_min" of geomaterials. retrieve all the geomaterials that has higher birifrigence than the given value(gt).
df, a data frame of geomaterials
## Not run:
df <-geomaterials_bi_greater_than(0.2)
## End(Not run)