peclet::core::geom Namespace Reference

Namespaces
namespace	detail

Classes
struct	Box
	Axis-aligned solid box of half-extents half: standard exact box SDF, negative inside. More...
struct	Complement
	Negation: the solid and the void swap (sdf -> -sdf). More...
struct	GridSdf
	A signed-distance field sampled on a regular axis-aligned grid (negative inside solid). More...
struct	HollowCylinder
	Solid hollow cylinder (a tube wall) of given outer/inner radius and height about axis. More...
struct	Sphere
	Solid ball: negative inside. More...
struct	VtiVector
	A sampled vector field on a regular grid (3 interleaved components per point, x-fastest). More...

Functions
template<typename S >
GridSdf	sample (const S &shape, IVec< 3 > dims, Vec< 3 > origin, Vec< 3 > spacing)
	Sample any analytic SDF onto a grid, producing a GridSdf (e.g. to bake geometry for a solver).
template<typename S >
Vec< 3 >	gradient (const S &shape, const Vec< 3 > &p, double h=1e-4)
	Generic outward normal via central differences; works for any shape with eval().
void	writeVti (const std::string &path, const GridSdf &g, const std::string &name="sdf")
	Write a GridSdf as a VTK ImageData (.vti), PointData Float32 scalar, ASCII.
GridSdf	readVti (const std::string &path)
	Read a VTK ImageData (.vti) written by writeVti (ASCII PointData scalar) into a GridSdf.
void	writeVtiVector (const std::string &path, const VtiVector &g, const std::string &name="vector")
	Write a 3-component vector field as a VTK ImageData PointData vector (ASCII), ParaView-openable.
VtiVector	readVtiVector (const std::string &path)
	Read a vector-field VTI written by writeVtiVector.

Function Documentation

sample()

template<typename S >

GridSdf peclet::core::geom::sample	(	const S &	shape,
		IVec< 3 >	dims,
		Vec< 3 >	origin,
		Vec< 3 >	spacing
	)

Sample any analytic SDF onto a grid, producing a GridSdf (e.g. to bake geometry for a solver).

Definition at line 63 of file grid_sdf.hpp.

References peclet::core::geom::GridSdf::dims, peclet::core::geom::GridSdf::origin, peclet::core::geom::GridSdf::spacing, and peclet::core::geom::GridSdf::values.

gradient()

template<typename S >

Vec< 3 > peclet::core::geom::gradient	(	const S &	shape,
		const Vec< 3 > &	p,
		double	h = 1e-4
	)

Generic outward normal via central differences; works for any shape with eval().

Definition at line 78 of file sdf.hpp.

writeVti()

void peclet::core::geom::writeVti ( const std::string &  path, const GridSdf &  g, const std::string &  name = "sdf"  )

inline

Write a GridSdf as a VTK ImageData (.vti), PointData Float32 scalar, ASCII.

Definition at line 24 of file vti_io.hpp.

References peclet::core::geom::GridSdf::dims, peclet::core::geom::GridSdf::origin, peclet::core::geom::GridSdf::spacing, and peclet::core::geom::GridSdf::values.

readVti()

GridSdf peclet::core::geom::readVti ( const std::string &  path )

inline

Read a VTK ImageData (.vti) written by writeVti (ASCII PointData scalar) into a GridSdf.

Definition at line 58 of file vti_io.hpp.

References peclet::core::geom::GridSdf::dims, peclet::core::geom::GridSdf::origin, peclet::core::geom::GridSdf::spacing, peclet::core::geom::GridSdf::values, and peclet::core::geom::detail::vtiAttr().

writeVtiVector()

void peclet::core::geom::writeVtiVector ( const std::string &  path, const VtiVector &  g, const std::string &  name = "vector"  )

inline

Write a 3-component vector field as a VTK ImageData PointData vector (ASCII), ParaView-openable.

Definition at line 99 of file vti_io.hpp.

References peclet::core::geom::VtiVector::dims, peclet::core::geom::VtiVector::origin, peclet::core::geom::VtiVector::spacing, and peclet::core::geom::VtiVector::values.

readVtiVector()

VtiVector peclet::core::geom::readVtiVector ( const std::string &  path )

inline

Read a vector-field VTI written by writeVtiVector.

Definition at line 124 of file vti_io.hpp.

References peclet::core::geom::VtiVector::dims, peclet::core::geom::VtiVector::origin, peclet::core::geom::VtiVector::spacing, peclet::core::geom::VtiVector::values, and peclet::core::geom::detail::vtiAttr().