| 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 |