Calculates slope gradients from a matrix of coordinates and elevation data.
Usage
slope_matrix(m, elevations = m[, 3], lonlat = TRUE)
Arguments
- m
Matrix of coordinates (x, y, z)
- elevations
Vector of elevation values (default: third column of m)
- lonlat
Logical, whether coordinates are longitude/latitude (default: TRUE)
Value
Numeric vector of slope values
