Morpho (version 2.0.2)

deformGrid3d: visualise differences between two superimposed sets of 3D landmarks

Description

visualise differences between two superimposed sets of 3D landmarks by deforming a cubic grid based on a thin-plate spline interpolation

Usage

deformGrid3d(matrix, tarmatrix, ngrid = 10, lwd = 1, showaxis = c(1, 2),
  both = T, lines = TRUE, lcol = 1, add = FALSE, col1 = 2, col2 = 3,
  type = c("s", "p"))

Arguments

matrix

reference matrix containing 3D landmark coordinates.

tarmatrix

target matrix containing 3D landmark coordinates.

ngrid

number of grid lines to be plotted; ngrid=0 suppresses grid creation.

lwd

width of lines connecting landmarks.

showaxis

integer (vector): which dimensions of the grid to be plotted. Options are combinations of 1,2 and 3.

both

logical: if FALSE, only "matrix" will be plotted.

lines

logical: if TRUE, lines between landmarks will be plotted.

lcol

color of lines

add

logical: add to existing rgl window.

col1

color of "matrix"

col2

color of "tarmat"

type

"s" renders landmarks as spheres; "p" as points - much faster for very large pointclouds.

See Also

tps3d

Examples

data(nose)
deformGrid3d(shortnose.lm,longnose.lm,ngrid=10)