authoring.hpp File Reference

Header file containing functions for generating and manipulating heightmaps through various techniques. More...

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Namespaces
namespace	hmap

Enumerations
enum	hmap::StampingBlendMethod : int {   hmap::ADD , hmap::MAXIMUM , hmap::MAXIMUM_SMOOTH , hmap::MINIMUM ,   hmap::MINIMUM_SMOOTH , hmap::MULTIPLY , hmap::SUBSTRACT }
	Blending method for the stamping operator. More...

Functions
void	hmap::alter_elevation (Array &array, const Cloud &cloud, int ir, float footprint_ratio=1.f, Vec2< float > shift={0.f, 0.f}, Vec2< float > scale={1.f, 1.f})
	Point-wise alteration: locally enforce a new elevation value while maintaining the 'shape' of the heightmap.
Array	hmap::base_elevation (Vec2< int > shape, const std::vector< std::vector< float > > &values, float width_factor=1.f, const Array *p_noise_x=nullptr, const Array *p_noise_y=nullptr, const Array *p_stretching=nullptr, Vec4< float > bbox={0.f, 1.f, 0.f, 1.f})
	Generate a heightmap from a coarse grid of control points with defined elevation values.
Array	hmap::reverse_midpoint (const Array &array, uint seed, float noise_scale=1.f, float threshold=0.f)
	Apply the reverse midpoint displacement algorithm to the input array.
Array	hmap::ridgelines (Vec2< int > shape, const std::vector< float > &xr, const std::vector< float > &yr, const std::vector< float > &zr, float slope, float k_smoothing=1.f, float width=0.1f, float vmin=0.f, Vec4< float > bbox={0.f, 1.f, 0.f, 1.f}, const Array *p_noise_x=nullptr, const Array *p_noise_y=nullptr, const Array *p_stretching=nullptr, Vec4< float > bbox_array={0.f, 1.f, 0.f, 1.f})
	Generate a heightmap based on a set of ridgelines and a specified slope.
Array	hmap::ridgelines_bezier (Vec2< int > shape, const std::vector< float > &xr, const std::vector< float > &yr, const std::vector< float > &zr, float slope, float k_smoothing=1.f, float width=0.1f, float vmin=0.f, Vec4< float > bbox={0.f, 1.f, 0.f, 1.f}, const Array *p_noise_x=nullptr, const Array *p_noise_y=nullptr, const Array *p_stretching=nullptr, Vec4< float > bbox_array={0.f, 1.f, 0.f, 1.f})
	Generate a heightmap based on a set of ridgelines with quadratic Bezier interpolation.
Array	hmap::stamping (Vec2< int > shape, const std::vector< float > &xr, const std::vector< float > &yr, const std::vector< float > &zr, Array kernel, int kernel_ir, bool kernel_scale_radius, bool kernel_scale_amplitude, StampingBlendMethod blend_method, uint seed, float k_smoothing=0.1f, bool kernel_flip=true, bool kernel_rotate=false, Vec4< float > bbox_array={0.f, 1.f, 0.f, 1.f})
	Generate a heightmap by stamping a kernel at predefined locations.

Detailed Description

Header file containing functions for generating and manipulating heightmaps through various techniques.

Author

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

This header file provides functions for creating and modifying heightmaps using techniques such as stamping kernels, defining ridgelines, applying the reverse midpoint displacement algorithm, and more. These functions offer a range of capabilities for terrain generation, elevation modifications, and heightmap processing.

Copyright

Copyright (c) 2023 Otto Link