Revision 47c3824f6c23f658b1f1bc227791082514f7d9f9 authored by Lars Bilke on 18 February 2021, 10:04:01 UTC, committed by Lars Bilke on 19 February 2021, 07:13:01 UTC
1 parent b39d6c5
TriRule3.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 "TriRule3.h"
#include "MathLib/GeometricBasics.h"
#include "MeshLib/Node.h"
namespace MeshLib {
const unsigned TriRule3::edge_nodes[3][2] =
{
{0, 1}, // Edge 0
{1, 2}, // Edge 1
{2, 0}, // Edge 2
};
double TriRule3::computeVolume(Node const* const* _nodes)
{
return MathLib::calcTriangleArea(*_nodes[0], *_nodes[1], *_nodes[2]);
}
bool TriRule3::isPntInElement(Node const* const* nodes,
MathLib::Point3d const& pnt, double eps)
{
return MathLib::isPointInTriangle(pnt, *nodes[0], *nodes[1], *nodes[2],
eps);
}
unsigned TriRule3::identifyFace(Node const* const* _nodes, Node* nodes[3])
{
for (unsigned i=0; i<3; i++)
{
unsigned flag(0);
for (unsigned j = 0; j < 2; j++)
{
for (unsigned k = 0; k < 2; k++)
{
if (_nodes[edge_nodes[i][j]] == nodes[k])
{
flag++;
}
}
}
if (flag == 2)
{
return i;
}
}
return std::numeric_limits<unsigned>::max();
}
ElementErrorCode TriRule3::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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