rayshader (version 0.41.2)

constant_shade: Calculate Constant Color Map

Description

Generates a constant color layer.

Usage

constant_shade(heightmap, color = "white", alpha = 1)

Value

RGB array of a single color layer.

Arguments

heightmap

A two-dimensional matrix, where each entry in the matrix is the elevation at that point.

color

Default "white". Color for the constant layer.

alpha

Default 1, the alpha transparency.

Examples

if(run_documentation()) {
#Shade a red map
montereybay |>
 constant_shade("red") |>
 add_shadow(lamb_shade(montereybay),0) |>
 plot_map()
}
if(run_documentation()) {
#Shade a green map
montereybay |>
 constant_shade("green") |>
 add_shadow(lamb_shade(montereybay),0) |>
 plot_map()
}
if(run_documentation()) {
#Add a blue tint
montereybay |>
 height_shade() |>
 add_overlay(constant_shade(montereybay, "dodgerblue", alpha=0.25)) |>
 add_shadow(lamb_shade(montereybay,zscale=50),0) |>
 plot_map()
}
if(run_documentation()) {
#Use a blank map on which to draw other data
montereybay |>
 constant_shade() |>
 add_overlay(generate_line_overlay(monterey_roads_sf, linewidth=5, color="black",
                                   attr(montereybay,"extent"), width = 1080, height = 1080),
                                   alphalayer=0.8)  |>
 add_water(detect_water(montereybay < 0), "dodgerblue") |>
 plot_map()
}