aqp: hzTopographyCodeToLineType – R documentation

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hzTopographyCodeToLineType

Convert Horizon Boundary Topography to Line Type

Description

This function will convert USDA-NCSS horizon boundary topography codes into line types, based on the Field Book for Describing and Sampling Soils, version 3.0.

Usage

hzTopographyCodeToLineType(
  x,
  codes = c("S", "W", "I", "B"),
  lty = c(1, 2, 3, 4)
)

Arguments

`x`	vector of boundary topography codes to be converted
`codes`	code values, adjust as needed
`lty`	line types

Details

Visualization of horizon boundary topography can be difficult, line type offers an additional visual cue. See hzTopographyCodeToOffset for an offset-based approach. Additional examples are available in the Visualization of Horizon Boundaries tutorial.

Value

vector of line types with same length as x

Author(s)

D.E. Beaudette

References

Field Book for Describing and Sampling Soils, version 3.0