Learn R Programming

xRing (version 0.1.2)

Identify and Measure Tree Rings on X-Ray Micro-Density Profiles

Description

Contains functions to identify tree-ring borders based on X-ray micro-density profiles and a Graphical User Interface (GUI) to visualize density profiles and correct tree-ring borders. Campelo F, Mayer K, Grabner M. (2019) .

Copy Link

Version

Install

install.packages('xRing')

Monthly Downloads

293

Version

0.1.2

License

GPL (>= 2)

Maintainer

Filipe Campelo

Last Published

November 11th, 2025

Functions in xRing (0.1.2)

plotRings

Plot xRing Objects
print.xRing

Print Method for xRing Objects
toxRing

Create an "xRing" Object
toxRingList

Create a "xRingList" Object
imRead

Load Image From a File
selectProfiles

Select Profile(s)
print.xRingList

Print Method for xRingList Objects
imDisplay

Display Image Using tcltk Package
removeRing

Remove Tree-Ring Border(s)
fitCalibrationModel

Fit a Calibration Curve
combineFrag

Combine Fragments
detectEwLw

Detect the Transition from Earlywood to Latewood
addRing

Add Tree-Ring Border(s)
calibrateFilm

Calibrate Film
PaPiSpan

PaPiSpan
getBorders

Get Tree-Ring Borders
detectRings

Detect Tree-Ring Borders
measureProfiles

Measure Profiles Interactively
correctRings

Correct Tree-Ring Borders Interactively
getRwls

Get Data-Frames With Ring Width and Density Values
getDensity

Get Density Values
plot.xRingList

Plot Method for xRingList Objects
getSteps

Select the Steps of a Calibration Wedge Interactively
plot.xRing

Plot Method for xRing Objects
imCrop

Crop Image Interactively
setLastYear

Set Last Year
stepIncrease

Calculate the Steps Thickness of the Calibration Wedge
PaPiRaw

PaPiRaw