R: Recording Tree-Ring Shapes of Tree Disks with Manual Digitizing and Interpolating Model

# Recording Tree-Ring Shapes of Tree Disks with Manual Digitizing and Interpolating Model

## Documentation for package ‘TreeRingShape’ version 3.0.5

- DESCRIPTION file
- User guides, package vignettes and other documentation
- Package NEWS
- Package README

## Help Pages

area | Return a area from polygon xy coordinates
circumference | Return circumference length of polygon line
classTreeRingShape-class | class of TreeRingShape
degree | Constant for conversion from degree to radian ####
DiskInfo | Return information for tree disk analysed from TreeRingShape class
dst | Return a vector of distances from original a point (0,0) from a matrix or data frame of xy coordinates
dstpp | Return vector for distance between adjacent two points
Ldeg360 | Return a vector of center angle 0 to 360(degree) for x y coordinate vector
Llist2dataframe | Convert from a list of tree rings polygons (L) to data frame to a data frame with no.,year,x,y,r(radius),radian(center angle),degree. The data frame is sorted by degree(0 to 360).
Lmove | Move the tree rings coordinates based on P00 (x,y movement coordinates).
Lplot | Plot a graphics of tree rings
Lplot2 | Draw a graphics of tree rings by 1 ring (3*3 in a screen)
Lrad.plot | Check center angle of points to input order
Lrn | Return a ring number of tree ring polygons list (L) from year
Lsort | Sort x,y coordinates of a tree ring line with center angle of each point
Lsort_all | Sort x,y coordinates of tree ring lines with center angle of each point apply Lsort to list of tree ring lines
new_classTreeRingShape | Initial setting of a new classTreeRingShape (TR)
nstP | Return a vector of row numbers of points that have nearest center angle
plot_TreeRing | Draw a plot of tree rings This function draws Tree rings of a disk from x, y list(x,y) with name of year.
plot_TreeRings_df | Plot tree rings from data fame This function draws Tree rings of a disk from data frame(x,y,year).
plot_TreeRing_df | plot_TreeRing_df Draw a Tree ring of a disk from data frame(x,y,year)
plot_year_RingArea | Plot and return data frame of year_disk area and year_Tree ring area
rdst | Return relative distance between two representative tree rings
rdst_MerginePlus | Return relative distance between two representative tree rings
ReadShapefile_P00 | Return x,y coordinates of a tree ring center point (P00) from shape file of tree ring points
ReadShapefile_TreeRingPoints | Read a shape file of Tree Ring Points ( P : radial input and correction points)
ReadShapefile_TreeRings | Read Shapefile_TreeRings
seq_deg | Return a vector of sequence of angles between start and end angle 0 to pi -pi to 0
TR | A sample object of class TreeRingShape
TreeRingIndex | Calculate tree ring index from chronosequence data (year,growth)
TreeRingShape | Construct a object (TR) of classTreeRingShape
TreeRingsInterpolation | Interpolates tree ring between representative (manual input) tree rings with tree ring points
TreeRingsLines | Read representative tree ring lines from shape files
TreeRingsPoints | Read TreeRingsPoints shape file, check and save parameters
TR_ | A sample object of class TreeRingShape, shapefile paths and column names only.
WriteShapefile_TreeRings | Write a shapefile of interpolated tree rings