/// <summary>
/// Produces an elevation map projection of this region.
/// </summary>
/// <param name="region">The mapped region.</param>
/// <param name="planet">The planet being mapped.</param>
/// <param name="resolution">The vertical resolution of the projection.</param>
/// <param name="equalArea">
/// If <see langword="true"/> the projection will be a cylindrical equal-area projection.
/// Otherwise, an equirectangular projection will be used.
/// </param>
/// <returns>
/// A projected map of elevation. Pixel luminosity indicates elevation relative to <see
/// cref="Planetoid.MaxElevation"/>, with values below the midpoint indicating elevations
/// below the mean surface.
/// </returns>
public static Image <L16> GetElevationMap(
this SurfaceRegion region,
Planetoid planet,
int resolution,
bool equalArea = false) => planet.GetElevationMap(resolution, region.GetProjection(planet, equalArea));