Miscellaneous Functions for Working with 'stars' Rasters


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Documentation for package ‘starsExtra’ version 0.2.8

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aspect Calculate topographic aspect from a DEM
carmel Digital Elevation Model of Mount Carmel
CI Calculate the Convergence Index (CI) from a slope raster
dem Small Digital Elevation Model
detrend Detrend a Digital Elevation Model
dist_to_nearest Calculate raster of distances to nearest feature
extract2 Extract raster values by lines or polygons
flowlength Calculate flow length
focal2 Apply a focal filter on a raster
focal2r Apply a focal filter on a raster (R)
footprints Footprints
golan Digital Elevation Model of Golan Heights
landsat RGB image of Mount Carmel
layer_to_matrix Get 'stars' layer values as matrix
layer_to_vector Get 'stars' layer values as vector
make_grid Make 'stars' grid from 'sf' layer
matrix_extend Extend matrix
matrix_get_neighbors Get neighboring cell values for given matrix cell
matrix_to_stars Convert 'matrix' to 'stars'
matrix_trim Trim matrix
mode_value Mode
normalize_2d Normalize a 2D 'stars' object
normalize_3d Normalize a 3D 'stars' object
rgb_to_greyscale Convert RGB to greyscale
slope Calculate topographic slope from a DEM
trim2 Remove empty outer rows and columns
w_azimuth Create matrix with azimuths to center
w_circle Create matrix with circular weight pattern