| spex-package | spex | 
| buffer_extent | Whole grain buffers | 
| Extent | Extent of simple features | 
| extent | Extent of simple features | 
| extent_sf | Extent of simple features | 
| ice | A raster data set with southern ocean sea ice concentration | 
| latitudecircle | Latitude circle | 
| latmask | Latitude mask for polar raster | 
| lux | The 'lux' Spatial Polygons from the 'raster' package. | 
| polygonize | Create a polygon layer from a raster. | 
| polygonize.RasterBrick | Create a polygon layer from a raster. | 
| polygonize.RasterLayer | Create a polygon layer from a raster. | 
| polygonize.RasterStack | Create a polygon layer from a raster. | 
| psf | A polygon data set with 'sf' class. | 
| qm_rasterToPolygons | Create a polygon layer from a raster. | 
| qm_rasterToPolygons_sp | Create a polygon layer from a raster. | 
| spex | Polygon extent | 
| spex.default | Polygon extent | 
| spex.sf | Polygon extent | 
| spex.sfc | Polygon extent | 
| xlim | Axis ranges from extent | 
| xlim.default | Axis ranges from extent | 
| ylim | Axis ranges from extent | 
| ylim.default | Axis ranges from extent |