chiMaps                 Chi maps of two variables
dem                     Example digital elevation model (DEM)
dem2track.extent        Crops the DEM to the extent of the track with a
                        buffer
dist2point.3d           Distance of each track point to a given point
dist2target.3d          Distance to target
eRTG3D                  eRTG3D: Empirically Informed Random Trajectory
                        Generator in 3-D
filter.dead.ends        Remove dead ends
get.densities.3d        Extract tldCube and autodifference
                        approximation functions
get.glideRatio.3d       Calculate glide ratio
get.section.densities.3d
                        Extract tldCube and autodifferences functions
                        from track sections
get.track.densities.3d
                        Extract tldCube and autodifferences functions
                        from a consistent track
is.sf.3d                Tests if the object is a simple feature
                        collection (class: "sf, data.frame")
lift2target.3d          Lift angle to target
logRasterStack          Converts a rasterStack to logarithmic scale
movingMedian            Moving median in one dimension
n.sim.cond.3d           Conditional Empirical Random Walks (CERW) in
                        3-D
n.sim.glidingSoaring.3d
                        Simulates multiple 'gliding & soaring' tracks
                        with a given number of gliding steps
niclas                  Example track data.frame
parpbapply              Parallel apply with progressbar
parpblapply             Parallel lapply with progressbar
parpbsapply             Parallel sapply with progressbar
plot2d                  Plot function to plot the 3-D tracks in 2-D
                        plane
plot3d                  Plot track(s) with a surface of a digital
                        elevation model in three dimensions
plot3d.densities        Density plots of turn angle, lift angle and
                        step length
plot3d.multiplot        Multiple plot function for ggplot objects
plot3d.tldCube          Visualize turn-lift-step histogram
plotRaster              Plots a rasterLayer or rasterStack
qProb.3d                Q probabilities for n steps
reproduce.track.3d      Reproduce a track with the eRTG3D
saveImageSlices         Export a dataCube as image slice sequence
sf2df.3d                Converts a sf data.frame to a normal dataframe
sim.cond.3d             Conditional Empirical Random Walk (CERW) in 3-D
sim.crw.3d              Simulation of a three dimensional Correlated
                        Random Walk
sim.glidingSoaring.3d   Simulates 'gliding & soaring' track with a
                        given number of gliding steps
sim.uncond.3d           Unconditional Empirical Random Walk (UERW) in
                        3-D
test.eRTG.3d            Test the functionality of the eRTG3D
test.verification.3d    Statistical Verification of the simulated track
track.extent            Extent of track(s)
track.properties.3d     Track properties of a 3-D track
track.split.3d          This function splits the by outliers in the
                        time lag.
track2sf.3d             Converts a track to a "sf, data.frame"
transformCRS.3d         Transform coordinates reference system (CRS) of
                        a 3-D track
turn2target.3d          Turn angle to target
turnLiftStepHist        Three dimensional histogram
voxelCount              Apply voxel counting on a point cloud
