TT.text.transf

tri.data

base.css.ps.lim

dat.css.ps.lim

css.names

blr.tx

text.sum

text.tol

tri.sum.tst

tri.pos.tst

trsf.add.opt1

trsf.add.opt2

Log-linear transformation of a soil texture data table 
('tri.data') from one 
particle size system ('dat.css.ps.lim') into another 
('base.css.ps.lim'). Only 3 particle size classes allowed. See 
TT.text.transf.X for transformation involving more than 3 
particle classes. 'tri.data' may contain other variables 
(not in 'css.names'). They are returned unchanged with the 
transformed texture data.

"The Soil Texture Wizard" is a set of R functions designed
        to produce texture triangles (also called texture plots,
        texture diagrams, texture ternary plots), classify and
        transform soil textures data. These functions virtually allows
        to plot any soil texture triangle / classification into any
        triangle geometry (isosceles, right-angled triangles, etc.).
        This set of function is expected to be useful to people using
        soil textures data from different soil texture classification
        or different particle size systems. Several texture triangles
        are predefined: USDA; FAO (which is also the triangle for the
        soil map of Europe); Aisne (France); GEPPA (France); German
        triangle (Bodenkundliche Kartieranleitung 1994); Soil Survey of
        England and Wales (UK); Australian triangle; Belgian triangle;
        Canadian triangle; ISSS triangle; Romanian traingle. The Soil
        Texture Wizard is initially develloped from the functions
        'soil.texture()' from the package 'plotrix' by Jim Lemon et al.

Julien MOEYS

soiltexture

Functions for soil texture plot, classification and
        transformation

TT.text.transf function

Log-linear transformation of a soil texture data table between 2 particle size systems (3 classes).

TT.text.transf: Log-linear transformation of a soil texture data table between 2 particle size systems (3 classes).

Description

Usage

Arguments