Recording Tree-Ring Shapes of Tree Disks with Manual Digitizing and Interpolating Model
Return a area from polygon xy coordinates
Return circumference length of polygon line
class of TreeRingShape
Constant for conversion from degree to radian ####
Return information for tree disk analysed from TreeRingShape class
Return a vector of distances from original a point (0,0) from a matrix...
Return vector for distance between adjacent two points
Return a vector of center angle 0 to 360(degree) for x y coordinate ve...
Convert from a list of tree rings polygons (L) to data frame to a data...
Move the tree rings coordinates based on P00 (x,y movement coordinates...
Plot a graphics of tree rings
Draw a graphics of tree rings by 1 ring (3*3 in a screen)
Check center angle of points to input order
Return a ring number of tree ring polygons list (L) from year
Sort x,y coordinates of tree ring lines with center angle of each poin...
Sort x,y coordinates of a tree ring line with center angle of each poi...
Initial setting of a new classTreeRingShape (TR)
Return a vector of row numbers of points that have nearest center angl...
plot_TreeRing_df Draw a Tree ring of a disk from data frame(x,y,year)
Draw a plot of tree rings This function draws Tree rings of a disk fro...
Plot tree rings from data fame This function draws Tree rings of a dis...
Plot and return data frame of year_disk area and year_Tree ring area
Return relative distance between two representative tree rings
Return relative distance between two representative tree rings
Return x,y coordinates of a tree ring center point (P00) from shape fi...
Read a shape file of Tree Ring Points ( P : radial input and correctio...
Read Shapefile_TreeRings
Return a vector of sequence of angles between start and end angle 0 to...
Calculate tree ring index from chronosequence data (year,growth)
Construct a object (TR) of classTreeRingShape
Interpolates tree ring between representative (manual input) tree ring...
Read representative tree ring lines from shape files
Read TreeRingsPoints shape file, check and save parameters
Write a shapefile of interpolated tree rings
Record all tree-ring Shapefile of tree disk with GIS soft 'Qgis' and interpolating model from high resolution tree disk image.
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