isopleuros (version 1.4.0)

triangle_soil: Soil Texture Triangle

Description

Soil Texture Triangle

Usage

triangle_soil_hypres(labels = TRUE, symbol = FALSE, ...)
triangle_soil_folk(labels = TRUE, symbol = FALSE, ...)
triangle_soil_shepard(labels = TRUE, symbol = FALSE, ...)
triangle_soil_usda(labels = TRUE, symbol = FALSE, ...)

Arguments

labels

A logical scalar: should labels be displayed?

symbol

A logical scalar: should symbol be used instead of full labels? Only used if labels is TRUE.

...

Further arguments to be passed to graphics::polygon().

Author

N. Frerebeau

See Also

Other charts: triangle_phase_cas()

Examples

## HYPRES soil texture
ternary_plot(NULL, xlab = "sand", ylab = "silt", zlab = "clay")
triangle_soil_hypres()

## USDA (1951) soil texture
ternary_plot(NULL, xlab = "sand", ylab = "silt", zlab = "clay")
triangle_soil_usda(symbol = TRUE)

## Folk (1954) soil texture
ternary_plot(NULL, xlab = "sand", ylab = "silt", zlab = "clay")
triangle_soil_folk(symbol = TRUE)

## Shepard (1954) soil texture
ternary_plot(NULL, xlab = "sand", ylab = "silt", zlab = "clay")
triangle_soil_shepard()