Revision 970b67146df8718bad9fcafe79cab85fa43fa4d4 authored by Lars Bilke on 18 May 2021, 09:30:17 UTC, committed by Lars Bilke on 18 May 2021, 10:46:51 UTC
1 parent 5de1fc3
TetRule4.cpp
/**
* \file
* \copyright
* Copyright (c) 2012-2021, OpenGeoSys Community (http://www.opengeosys.org)
* Distributed under a Modified BSD License.
* See accompanying file LICENSE.txt or
* http://www.opengeosys.org/project/license
*
*/
#include "TetRule4.h"
#include <array>
#include "BaseLib/Logging.h"
#include "Line.h"
#include "MathLib/GeometricBasics.h"
#include "MeshLib/Node.h"
#include "Tri.h"
namespace MeshLib
{
const unsigned TetRule4::face_nodes[4][3] = {
{0, 2, 1}, // Face 0
{0, 1, 3}, // Face 1
{1, 2, 3}, // Face 2
{2, 0, 3} // Face 3
};
const unsigned TetRule4::edge_nodes[6][2] = {
{0, 1}, // Edge 0
{1, 2}, // Edge 1
{0, 2}, // Edge 2
{0, 3}, // Edge 3
{1, 3}, // Edge 4
{2, 3} // Edge 5
};
const Element* TetRule4::getFace(const Element* e, unsigned i)
{
if (i < n_faces)
{
std::array<Node*, 3> nodes{};
for (unsigned j = 0; j < 3; j++)
{
nodes[j] = const_cast<Node*>(e->getNode(face_nodes[i][j]));
}
return new Tri(nodes, e->getID());
}
ERR("Error in MeshLib::Element::getFace() - Index {:d} does not exist.", i);
return nullptr;
}
double TetRule4::computeVolume(Node const* const* _nodes)
{
return MathLib::calcTetrahedronVolume(*_nodes[0], *_nodes[1], *_nodes[2],
*_nodes[3]);
}
bool TetRule4::isPntInElement(Node const* const* nodes,
MathLib::Point3d const& pnt, double eps)
{
return MathLib::isPointInTetrahedron(pnt, *nodes[0], *nodes[1], *nodes[2],
*nodes[3], eps);
}
unsigned TetRule4::identifyFace(Node const* const* _nodes, Node* nodes[3])
{
for (unsigned i = 0; i < 4; i++)
{
unsigned flag(0);
for (unsigned j = 0; j < 3; j++)
{
for (unsigned k = 0; k < 3; k++)
{
if (_nodes[face_nodes[i][j]] == nodes[k])
{
flag++;
}
}
}
if (flag == 3)
{
return i;
}
}
return std::numeric_limits<unsigned>::max();
}
ElementErrorCode TetRule4::validate(const Element* e)
{
ElementErrorCode error_code;
error_code[ElementErrorFlag::ZeroVolume] = hasZeroVolume(*e);
error_code[ElementErrorFlag::NodeOrder] = !e->testElementNodeOrder();
return error_code;
}
} // end namespace MeshLib
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