# Process-Oriented Geomorphometry for Submerged Terrain

## Documentation for package ‘blueterra’ version 0.1.0

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

add_metric_layers | Add metric layers to an existing raster stack
assign_process_groups | Assign metrics to process groups
as_bathy | Coerce common raster inputs to a bathymetry raster
balance_samples | Balance samples across groups
bathy_info | Summarize a bathymetric or elevation raster
blueterra_example | Locate package example files
blueterra_examples | Locate package example files
blueterra_extdata | Locate package example files
blueterra_options | Configure blueterra runtime options
check_bathy_crs | Check raster CRS for geomorphometry
check_bathy_units | Check bathymetry value conventions
create_metric_catalog | Create and validate metric catalog rows
crop_bathy | Crop, mask, resample, and project bathymetry
depth_filter | Filter or convert bathymetric depth values
derive_aspect | Derive individual terrain metrics
derive_bpi | Derive bathymetric position index
derive_curvature | Derive individual terrain metrics
derive_custom_metric | Derive a custom metric from raster layers
derive_eastness | Derive individual terrain metrics
derive_hillshade | Derive individual terrain metrics
derive_metric_stack | Build a stack of terrain metrics
derive_multiscale_bpi | Derive bathymetric position index
derive_northness | Derive individual terrain metrics
derive_roughness | Derive individual terrain metrics
derive_rugosity | Derive individual terrain metrics
derive_slope | Derive individual terrain metrics
derive_surface_area_ratio | Derive individual terrain metrics
derive_terrain | Derive bathymetric terrain metrics
derive_tpi | Derive individual terrain metrics
derive_tri | Derive individual terrain metrics
estimate_surface_orientation | Estimate mean surface orientation from a bathymetric raster
extend_metric_catalog | Create and validate metric catalog rows
extract_cross_sections | Sample rasters along transects
extract_isobaths | Extract isobaths from a raster
extract_isobath_corridors | Extract terrain cells in isobath corridors
extract_terrain_points | Extract terrain values at points
invert_depth | Filter or convert bathymetric depth values
make_isobath_corridors | Build isobath corridors
make_transects | Create transects across polygon zones
mask_bathy | Crop, mask, resample, and project bathymetry
metric_catalog | Terrain metric catalog
metric_catalog_data | Terrain metric catalog data
pca_axis_labels | Label PCA axes with variance and dominant loadings
plot_bathy | Plot bathymetry and terrain rasters
plot_cross_sections | Plot sampled cross-sections
plot_depth_profile | Plot a depth profile
plot_hillshade | Plot bathymetry and terrain rasters
plot_isobath_corridors | Plot isobath corridors
plot_metric | Plot bathymetry and terrain rasters
plot_metric_stack | Plot bathymetry and terrain rasters
plot_process_density | Plot process density
plot_process_pca | Plot terrain PCA
plot_sampling_rectangles | Plot bathymetry and terrain rasters
plot_terrain_map | Plot bathymetry and terrain rasters
plot_terrain_summary | Plot terrain summaries
plot_transects | Plot bathymetry and terrain rasters
prepare_bathy | Prepare a bathymetric or elevation raster
prepare_model_matrix | Prepare a model matrix from terrain data
process_groups | Terrain metric catalog
project_bathy | Crop, mask, resample, and project bathymetry
read_bathy | Read a bathymetric or elevation raster
rename_metric_layers | Standardize or rename metric layers
resample_bathy | Crop, mask, resample, and project bathymetry
sample_terrain_cells | Sample terrain raster cells
sample_transects | Sample rasters along transects
select_process_representatives | Select representative metrics for each process group
set_depth_negative | Filter or convert bathymetric depth values
set_depth_positive | Filter or convert bathymetric depth values
smooth_bathy | Smooth a bathymetric or elevation raster
standardize_metric_names | Standardize or rename metric layers
summarize_cross_sections | Summarize sampled cross-sections
summarize_depth_bands | Summarize terrain by depth bands
summarize_isobath_terrain | Summarize terrain by isobath corridor
summarize_process_groups | Summarize process group representation
summarize_terrain | Summarize terrain metrics by polygon zones
summarize_terrain_by_zone | Summarize terrain metrics by polygon zones
terrain_correlation | Correlation table for terrain variables
terrain_effect_size | Terrain effect sizes
terrain_pca | Principal components analysis for terrain tables
terrain_pca_by_group | Run PCA overall and within groups
validate_bathy | Validate a bathymetric or elevation raster
validate_metric_catalog | Create and validate metric catalog rows