Creates an elevation profile plot from route geometries with XYZ coordinates, with segments colored according to slope gradient.
Usage
plot_slope(
route_xyz,
lonlat = sf::st_is_longlat(route_xyz),
fill = TRUE,
horiz = FALSE,
pal = NULL,
legend_position = "top",
col = "black",
cex = 0.9,
bg = grDevices::rgb(1, 1, 1, 0.8),
title = "Slope colors (percentage gradient)",
brks = c(3, 6, 10, 20, 40, 100),
seq_brks = seq(from = 3, to = length(brks) * 2 - 2),
ncol = 4,
...
)Arguments
- route_xyz
An sf object containing linestring geometries with XYZ coordinates
- lonlat
Logical, whether coordinates are longitude/latitude (default: auto-detected)
- fill
Logical, whether to fill segments with slope colors (default: TRUE)
- horiz
Logical, whether legend should be horizontal (default: FALSE)
- pal
Color palette for slope visualization (default: NULL, uses slopes_palette)
- legend_position
Position of legend (default: "top")
- col
Color of the elevation profile line (default: "black")
- cex
Character expansion factor for legend text (default: 0.9)
- bg
Background color for legend (default: semi-transparent white)
- title
Title for the legend (default: "Slope colors (percentage gradient)")
- brks
Vector of slope break points for coloring (default: c(3, 6, 10, 20, 40, 100))
- seq_brks
Sequence of breaks to show in legend (default: auto-generated)
- ncol
Number of columns in legend (default: 4)
- ...
Additional arguments passed to plot_dz