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Soil Texture Triangle

Source: R/AllGenerics.R, R/triangle_soil.R
triangle_soil.Rd

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().

See also

Other charts: triangle_phase_cas()

Author

N. Frerebeau

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()