soiltexture-package |
Functions for soil texture plot, classification and transformation |
TT.add |
Function to add a new default package parameters. |
TT.auto.set |
Internal. Retrieve and set default values for parameters (par() or |
TT.axis.arrows |
Internal. Plot the axis' arrows of a texture triangle plot. |
TT.baseplot |
Internal. Create an empty plot scene for a texture triangle. |
TT.blr.ps.lim |
Internal. Create a tabular version of clay silt sand particle size |
TT.blr.tx.check |
Internal. Check the consistency between blr.tx and css.names. |
TT.check.ps.lim |
Internal. Check the consistency between 'base.ps.lim' and 'dat.ps.lim'. |
TT.check.ps.lim.Xm |
Internal. Check the consistency between 'base.ps.lim' and 'dat.ps.lim'. |
TT.chemometrics.alr |
Compute the additive log-ratio transformation of compositional data. |
TT.classes |
Plot the texture classes polygons in a texture triangle plot. |
TT.classes.tbl |
Returns the table of classes of a texture classification system. |
TT.col2hsv |
Convert any colors to hsv. |
TT.contour |
Wrapper for the contour() function adapted to texture triangles. |
TT.css2xy |
Converts texture data (3 classes) into x-y coordinates. |
TT.data.test |
Test the validity of some soil texture data table (3 particle size |
TT.data.test.X |
Test the validity of some soil texture data table (X particle size |
TT.dataset |
Genetates a virtual cross correlated clay silt sand + Z dataset. |
TT.deg2rad |
Function to convert angle in degree to angle in radian. |
TT.dia2phi |
Convert a soil particle diameter dia [micro-meters] into phi = |
TT.DJ.col |
A function to obtaine a weight average 'mix' of different colors! |
TT.edges |
Internal. Plot the edges (bare axis) of a soil texture triangle. |
TT.env |
TT env |
TT.gen.op.set |
Internal. Retrieve and set default values from options. |
TT.geo.get |
Internal. Retrieve and return the geometrical parameters from a list of |
TT.geo.set |
Internal. Takes "geo" values and assign them individually in the parent |
TT.get |
Function to retrieve / get the default package parameters. |
TT.grid |
Plot a grid at regular texture intervals inside an existing soil |
TT.ifelse |
Internal. Flexible version of ifelse. |
TT.image |
Wrapper for the contour() function adapted to texture triangles. |
TT.iwd |
Inverse weighted distance interpolation on a grid. |
TT.kde2d |
Calculated the 2D probabilty density on an x-y grid. |
TT.lines |
Internal. Used to plot line elements of a texture plot axis, ticks, |
TT.locator |
Interactive (mouse clic) retrieval the CLAY SILT SAND coordinate of |
TT.mahalanobis |
Calculates the Mahalanobis distance between clay silt and sand. |
TT.normalise.sum |
Normalises the sum of the 3 particle size classes. |
TT.normalise.sum.X |
Normalises the sum of the X particle size classes. |
TT.par.op.set |
Internal. Retrieve and set default values from options with default in |
TT.phi2dia |
Convert a soil particle phi value into diameter dia [micro-meters]. |
TT.plot |
Plot soil texture triangles / diagrams. |
TT.points |
Plot a soil texture data table as points on an existing texture plot. |
TT.points.in.classes |
Classify a table of soil texture data according to a soil texture |
TT.polygon.area |
Determines the area of 1 polygon (in x-y coordinates). |
TT.polygon.centroids |
Determines the centroid of 1 polygon (in x-y coordinates). |
TT.set |
Function to change / set the default package parameters. |
TT.str |
Internal. Stretch or reshape the range of value of some data set. |
TT.switch |
Internal. Used in the plot axis drawings. |
TT.text |
Plot text labels for each values of a soil texture data table on an |
TT.text.transf |
Log-linear transformation of a soil texture data table between 2 |
TT.text.transf.X |
Log-linear transformation of a soil texture data table between 2 |
TT.text.transf.Xm |
Transformations of a soil texture data table between 2 particle size |
TT.ticks |
Internal. Plot the axis' ticks of a texture triangle plot. |
TT.ticks.lab |
Internal. Plot the axis ticks' labels of a texture triangle plot. |
TT.vertices.plot |
Plot the vertices of a texture classification system. |
TT.vertices.tbl |
Returns the table of vertices of a texture classification system. |
TT.xy.grid |
Internal. Create a grid in the x-y coordinate system. |
TT.xy2css |
Internal. Convert point-data duplets (2 variables, x-y coordinaes) in |