pnm::test Namespace Reference

Functions
float	sphereLatticeSdf (int gx, int gy, int gz, std::array< int, 3 > gd)
	2x2x2 lattice of SOLID spheres in a periodic box (min-image distance); pores at the interstices.
float	trigSdf (int gx, int gy, int gz, std::array< int, 3 > gd)
	Smooth trigonometric field with wrap-around components (exercises the periodic images).
float	spherePoreSdf (int gx, int gy, int gz, std::array< int, 3 > c, float radius)
	One spherical PORE (SDF > 0 inside) of radius radius centred on the integer voxel c; solid everywhere outside.
float	twoSpherePoresSdf (int gx, int gy, int gz, std::array< int, 3 > c1, std::array< int, 3 > c2, float radius)
	Two overlapping spherical pores (the union = max of the two SDFs); a throat at the mid-plane when the centres are closer than 2*radius.
template<class SdfFn >
std::vector< float >	sampleGrid (std::array< int, 3 > gd, const SdfFn &fn)
	Sample fn(gx, gy, gz) over the whole gd grid in pnm's flat x-fastest layout.

Function Documentation

sphereLatticeSdf()

float pnm::test::sphereLatticeSdf ( int  gx, int  gy, int  gz, std::array< int, 3 >  gd  )

inline

2x2x2 lattice of SOLID spheres in a periodic box (min-image distance); pores at the interstices.

Sphere centres at gd*(2c+1)/4 per axis, radius 0.22*min(gd).

Definition at line 18 of file synthetic_sdf.hpp.

Referenced by main().

trigSdf()

float pnm::test::trigSdf ( int  gx, int  gy, int  gz, std::array< int, 3 >  gd  )

inline

Smooth trigonometric field with wrap-around components (exercises the periodic images).

Definition at line 36 of file synthetic_sdf.hpp.

Referenced by main().

spherePoreSdf()

float pnm::test::spherePoreSdf ( int  gx, int  gy, int  gz, std::array< int, 3 >  c, float  radius  )

inline

One spherical PORE (SDF > 0 inside) of radius radius centred on the integer voxel c; solid everywhere outside.

The SDF peak is exactly radius at c (no distance rounding).

Definition at line 44 of file synthetic_sdf.hpp.

Referenced by twoSpherePoresSdf().

twoSpherePoresSdf()

float pnm::test::twoSpherePoresSdf ( int  gx, int  gy, int  gz, std::array< int, 3 >  c1, std::array< int, 3 >  c2, float  radius  )

inline

Two overlapping spherical pores (the union = max of the two SDFs); a throat at the mid-plane when the centres are closer than 2*radius.

Definition at line 51 of file synthetic_sdf.hpp.

References spherePoreSdf().

sampleGrid()

template<class SdfFn >

std::vector< float > pnm::test::sampleGrid	(	std::array< int, 3 >	gd,
		const SdfFn &	fn
	)

Sample fn(gx, gy, gz) over the whole gd grid in pnm's flat x-fastest layout.

Definition at line 58 of file synthetic_sdf.hpp.