View source: R/landmarkMatrixToList.R
landmarkMatrixToList | R Documentation |
Converts a landmark matrix to a landmark list.
landmarkMatrixToList(lm.matrix, semilandmark.pattern='[0-9]+$', k=ncol(lm.matrix))
lm.matrix |
a landmark matrix. See |
semilandmark.pattern |
a regular expression pattern passed to |
k |
the number of dimensions of the landmark data. |
a landmark list.
Aaron Olsen
landmarkListToMatrix
, readLandmarksToList
, readLandmarksToMatrix
## GET FILE DIRECTORY FOR PACKAGE FILES fdir <- paste0(path.package("StereoMorph"), "/extdata/") ## SET FILES TO LOAD - TWO DIFFERENT 3D POINT SETS file <- paste0(fdir, "lm_2d_a1_v", 1:2, ".txt") ## READ LANDMARKS INTO A LIST lm.matrix <- readLandmarksToMatrix(file=file, row.names=1) ## CONVERT LANDMARK LIST TO LANDMARK MATRIX lm.list <- landmarkMatrixToList(lm.matrix, k=2) ## CAN BE CONVERTED BACK INTO MATRIX ## RECOVERING THE SAME MATRIX AS THE ORIGINAL lm.matrix <- landmarkListToMatrix(lm.list)
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