doxygen/html/CD__Triangle_8H_source.html

/* chombo-discharge

 * Copyright © 2026 SINTEF Energy Research.

 * Please refer to Copyright.txt and LICENSE in the chombo-discharge root directory.

 */


#ifndef CD_Triangle_H

#define CD_Triangle_H


// Std includes

#include <array>


// Chombo includes

#include <RealVect.H>


// Our includes

#include <EBGeometry.hpp>

#include <CD_NamespaceHeader.H>


class Triangle : public EBGeometry::Triangle<Real, std::array<Real, 3>>

{

public:

  using Vec3 = EBGeometry::Vec3T<Real>;


  Triangle() noexcept;


  Triangle(const std::array<Vec3, 3>& a_vertexPositions) noexcept;


  virtual ~Triangle() noexcept;


  void

  computeArea() noexcept;


  void

  setVertexPositions(const std::array<Vec3, 3>& a_vertexPositions) noexcept;


  void

  setVertexData(const std::array<Real, 3>& a_vertexData) noexcept;


  Vec3

  projectToTrianglePlane(const Vec3& a_point) const noexcept;


  bool

  isInside(const Vec3& a_point) const noexcept;


  Real

  interpolate(const Vec3& a_point) const noexcept;


protected:

  Real m_area = Real(0);


  inline Real

  computeTriangleArea(const Vec3 a_x1, const Vec3 a_x2, const Vec3 a_x3) const noexcept;

};


#include <CD_NamespaceFooter.H>


#endif

TracerParticleSolver
Base class for a tracer particle solver. This solver can advance particles in a pre-defined velocity ...
Definition CD_TracerParticleSolver.H:37

Triangle
Class that represents a single triangle together with associated metadata on the vertices (one float ...
Definition CD_Triangle.H:29

Triangle::setVertexPositions
void setVertexPositions(const std::array< Vec3, 3 > &a_vertexPositions) noexcept
Set vertex positions and recompute the triangle area.
Definition CD_Triangle.cpp:32

Triangle::computeArea
void computeArea() noexcept
Compute and store the triangle area in m_area.
Definition CD_Triangle.cpp:44

Triangle::isInside
bool isInside(const Vec3 &a_point) const noexcept
Check if a point lies inside the triangle.
Definition CD_Triangle.cpp:56

Triangle::Vec3
EBGeometry::Vec3T< Real > Vec3
Alias for always-3D vector type.
Definition CD_Triangle.H:34

Triangle::Triangle
Triangle() noexcept
Default constructor.
Definition CD_Triangle.cpp:16

Triangle::interpolate
Real interpolate(const Vec3 &a_point) const noexcept
Interpolate vertex data at a point using barycentric coordinates or IDW fallback.
Definition CD_Triangle.cpp:83

Triangle::computeTriangleArea
Real computeTriangleArea(const Vec3 a_x1, const Vec3 a_x2, const Vec3 a_x3) const noexcept
Compute the area of a triangle defined by three vertices.
Definition CD_Triangle.cpp:74

Triangle::setVertexData
void setVertexData(const std::array< Real, 3 > &a_vertexData) noexcept
Set meta-data on the vertices.
Definition CD_Triangle.cpp:38

Triangle::m_area
Real m_area
Triangle area.
Definition CD_Triangle.H:122

Triangle::projectToTrianglePlane
Vec3 projectToTrianglePlane(const Vec3 &a_point) const noexcept
Project the input point to the triangle plane.
Definition CD_Triangle.cpp:50