pub fn ridge_valley_lines(dem: &Dem) -> Vec<RidgeValley>Expand description
Simple ridge and valley detection based on profile curvature sign.
Positive profile curvature → concave (valley); negative → convex (ridge).
pub fn ridge_valley_lines(dem: &Dem) -> Vec<RidgeValley>Simple ridge and valley detection based on profile curvature sign.
Positive profile curvature → concave (valley); negative → convex (ridge).