All functions 


A journey from CycleStreets.net 

Elevation in central Lisbon, Portugal 

Take a linestring and add a third (z) dimension to its coordinates 

Extract elevations from coordinates 

Get elevation data from hosted maptile services 

Road segments in Lisbon 

A road segment in Lisbon, Portugal 

A route composed of a single linestring in Lisbon, Portugal 

Road segments in Magnolia, Seattle 

Plot a digital elevation profile based on xyz data 

Plot slope data for a 3d linestring with base R graphics 

Calculate the sequential distances between sequential coordinate pairs 

Calculate the gradient of line segments from a 3D matrix of coordinates 

Calculate the gradient of line segments from a raster dataset 


Calculate the gradient of line segments from distance and elevation vectors 
Extract slopes from xyz data frame or sf objects 


Calculate summary values for 'Z' elevation attributes 