shadows.hpp File Reference

Provides functions for generating shaded relief maps, shadow intensity, and topographic shading. More...

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Namespaces
namespace	hmap

Functions
Array	hmap::hillshade (const Array &z, float azimuth, float zenith, float talus_ref=1.f)
	Compute the shaded relief map (hillshading) from a heightmap.
Array	hmap::shadow_grid (const Array &z, float shadow_talus)
	Compute the shadow intensity using a grid-based technique.
Array	hmap::shadow_heightmap (const Array &z, float azimuth=180.f, float zenith=45.f, float distance=0.2f)
	Compute crude shadows from a heightmap.
Array	hmap::topographic_shading (const Array &z, float azimuth, float zenith, float talus_ref=1.f)
	Compute the topographic shadow intensity in the range [-1, 1].

Detailed Description

Provides functions for generating shaded relief maps, shadow intensity, and topographic shading.

Author

Otto Link (otto..nosp@m.link.nosp@m..bv@g.nosp@m.mail.nosp@m..com)

This header file defines functions for computing various types of shadow and shading effects from heightmap data. These functions include shaded relief (hillshading), shadow intensity based on grid and heightmap techniques, and topographic shading.

Copyright

Copyright (c) 2023 Otto Link