Matches raster layer names or character metric names to the metric catalog.
Usage
assign_process_groups(
x,
catalog = metric_catalog(),
groups = NULL,
unmatched = "unassigned"
)Arguments
- x
A
terra::SpatRaster, character vector, or data frame with metric columns.- catalog
Optional catalog table. Defaults to
metric_catalog().- groups
Optional named character vector mapping metric names to process groups. Supplied mappings override catalog matches for those metrics.
- unmatched
Character value assigned to unmatched metrics.
Details
Matching uses standardized lower-case metric names. Unmatched metrics are
returned with process_group = unmatched so users can inspect custom layers.
Examples
terrain <- derive_terrain(read_bathy(blueterra_example("bathy")))
assign_process_groups(terrain)
#> # A tibble: 13 × 7
#> metric metric_standard label process_group description source_function
#> <chr> <chr> <chr> <chr> <chr> <chr>
#> 1 bathy bathy Bath… base_bathyme… Input bath… as_bathy
#> 2 slope_deg slope_deg Slope slope_gradie… Local stee… derive_slope
#> 3 aspect_deg aspect_deg Aspe… seafloor_asp… Local down… derive_aspect
#> 4 northness northness Nort… seafloor_asp… Cosine tra… derive_northne…
#> 5 eastness eastness East… seafloor_asp… Sine trans… derive_eastness
#> 6 hillshade hillshade Hill… base_bathyme… Shaded-rel… derive_hillsha…
#> 7 roughness roughness Roug… seafloor_rug… Difference… derive_roughne…
#> 8 tri tri Terr… seafloor_rug… terra terr… derive_tri
#> 9 tpi tpi Topo… seafloor_pos… Cell posit… derive_tpi
#> 10 bpi_3x3 bpi_3x3 Fine… seafloor_pos… Fine-scale… derive_bpi
#> 11 bpi_11x11 bpi_11x11 Broa… seafloor_pos… Broad-scal… derive_bpi
#> 12 curvature curvature Four… curvature Sum of the… derive_curvatu…
#> 13 surface_area… surface_area_r… Surf… seafloor_rug… Slope-seca… derive_surface…
#> # ℹ 1 more variable: matched <lgl>