# Calculate Slopes of Roads, Rivers and Trajectories

## Documentation for package ‘slopes’ version 1.0.1

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

## Help Pages

cyclestreets_route | A journey from CycleStreets.net
dem_lisbon_raster | Elevation in central Lisbon, Portugal
elevation_add | Take a linestring and add a third (z) dimension to its coordinates
elevation_extract | Extract elevations from coordinates
elevation_get | Get elevation data from hosted maptile services
lisbon_road_network | Road segments in Lisbon
lisbon_road_segment | A road segment in Lisbon, Portugal
lisbon_road_segment_3d | A road segment in Lisbon, Portugal
lisbon_road_segment_xyz_mapbox | A road segment in Lisbon, Portugal
lisbon_route | A route composed of a single linestring in Lisbon, Portugal
lisbon_route_3d | A route composed of a single linestring in Lisbon, Portugal
lisbon_route_xyz_mapbox | A route composed of a single linestring in Lisbon, Portugal
magnolia_xy | Road segments in Magnolia, Seattle
plot_dz | Plot a digital elevation profile based on xyz data
plot_slope | Plot slope data for a 3d linestring with base R graphics
sequential_dist | Calculate the sequential distances between sequential coordinate pairs
slope_distance | Calculate the gradient of line segments from distance and elevation vectors
slope_distance_mean | Calculate the gradient of line segments from distance and elevation vectors
slope_distance_weighted | Calculate the gradient of line segments from distance and elevation vectors
slope_matrix | Calculate the gradient of line segments from a 3D matrix of coordinates
slope_matrix_mean | Calculate the gradient of line segments from a 3D matrix of coordinates
slope_matrix_weighted | Calculate the gradient of line segments from a 3D matrix of coordinates
slope_raster | Calculate the gradient of line segments from a raster dataset
slope_vector | Calculate the gradient of line segments from distance and elevation vectors
slope_xyz | Extract slopes from xyz data frame or sf objects
z_cumulative_difference | Calculate summary values for 'Z' elevation attributes
z_direction | Calculate summary values for 'Z' elevation attributes
z_elevation_change_start_end | Calculate summary values for 'Z' elevation attributes
z_end | Calculate summary values for 'Z' elevation attributes
z_max | Calculate summary values for 'Z' elevation attributes
z_mean | Calculate summary values for 'Z' elevation attributes
z_min | Calculate summary values for 'Z' elevation attributes
z_start | Calculate summary values for 'Z' elevation attributes
z_value | Calculate summary values for 'Z' elevation attributes