Deformation isolines using Thin Plate Splines.

tps_iso calculates deformations between two configurations and map them with or without isolines.

Usage

tps_iso(
  fr,
  to,
  amp = 1,
  grid = FALSE,
  over = 1.2,
  palette = col_spring,
  iso.nb = 1000,
  iso.levels = 12,
  cont = TRUE,
  cont.col = "black",
  poly = TRUE,
  shp = TRUE,
  shp.border = col_qual(2),
  shp.lwd = c(2, 2),
  shp.lty = c(1, 1),
  legend = TRUE,
  legend.text,
  ...
)

Arguments

fr: The reference \((x; y)\) coordinates
to: The target \((x; y)\) coordinates
amp: An amplification factor of differences between fr and to
grid: whether to calculate and plot changes across the graphical window TRUE or just within the starting shape (FALSE)
over: A numeric that indicates how much the thin plate splines extends over the shapes
palette: A color palette such those included in Momocs or produced with colorRampPalette
iso.nb: A numeric. The number of points to use for the calculation of deformation
iso.levels: numeric. The number of levels for mapping the deformations
cont: logical. Whether to draw contour lines
cont.col: A color for drawing the contour lines
poly: whether to draw polygons (for outlines) or points (for landmarks)
shp: logical. Whether to draw shapes
shp.border: Two colors for drawing the borders
shp.lwd: Two lwd for drawing shapes
shp.lty: Two lty fro drawing the shapes
legend: logical whether to plot a legend
legend.text: some text for the legend
...: additional arguments to feed coo_draw

Value

No returned value

Examples

botF <- efourier(bot)
#> 'norm=TRUE' is used and this may be troublesome. See ?efourier #Details
#> 'nb.h' set to 10 (99% harmonic power)
x <- MSHAPES(botF, 'type', nb.pts=80)$shp
fr <- x$beer
to <- x$whisky
tps_iso(fr, to, iso.nb=200, amp=3)

tps_iso(fr, to, iso.nb=200, amp=3, grid=TRUE)

Deformation isolines using Thin Plate Splines.

Usage

Arguments

Value

See also

Examples