| densify | Densify spatial lines or polygons | 
| drop_crumbs | Remove small polygons or line segments | 
| fill_holes | Fill small holes in polygons | 
| jagged_lines | Jagged lines for smoothing | 
| jagged_lines_3d | 3D jagged line with Z-dimension for smoothing | 
| jagged_polygons | Jagged polygons for smoothing | 
| jagged_raster | Simulated raster for polygonizing and smoothing | 
| smooth | Smooth a spatial feature | 
| smooth_chaikin | Chaikin's corner cutting algorithm | 
| smooth_densify | Densify lines or polygons | 
| smooth_ksmooth | Kernel smooth | 
| smooth_spline | Spline interpolation |