geomaterials_hardness_range: retrieve the geomaterials whose hardness is within the given range.
Description
: Queries the list of geomaterials that have hardness within the given range.
Usage
geomaterials_hardness_range(hmin,hmax, ...)
Value
df, a data frame of geomaterials
Arguments
hmin
float value of the Mohs scale of mineral hardness, which ranging from 0 to 10.
hmax
float value of the Mohs scale of mineral hardness, which ranging from 0 to 10.
...,
Further named parameters.Other optional arguments.
Details
This function releated to the fields "hardness_min" and "hardness_max" of geomaterials.
retrieve all the geomaterials that has the hardness within an given range(hmin,hmax).
hmin:the given value of minimum Moh's hardness
hamx: maximum Moh's hardness