/**
* \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
*
*/
#pragma once
#include "MeshLib/MeshEnums.h"
#include "Element.h"
#include "EdgeRule.h"
#include "EdgeReturn.h"
namespace MeshLib
{
/**
* A 1d Edge or Line Element.
* @code
* 0--------1
* @endcode
*/
class LineRule2 : public EdgeRule
{
public:
/// Constant: The number of base nodes for this element
static const unsigned n_base_nodes = 2u;
/// Constant: The number of all nodes for this element
static const unsigned n_all_nodes = 2u;
/// Constant: The geometric type of the element
static const MeshElemType mesh_elem_type = MeshElemType::LINE;
/// Constant: The FEM type of the element
static const CellType cell_type = CellType::LINE2;
/// Constant: The number of neighbors
static const unsigned n_neighbors = 2;
/// Constant: Local node index table for edge
static const unsigned edge_nodes[1][2];
/// Edge rule
using EdgeReturn = MeshLib::LinearEdgeReturn;
/**
* \copydoc MeshLib::Element::isPntInElement()
* @param nodes the nodes of the element.
*/
static bool isPntInElement(Node const* const* nodes,
MathLib::Point3d const& pnt, double eps);
/**
* Tests if the element is geometrically valid.
*/
static ElementErrorCode validate(const Element* e);
/// Returns the ID of a face given an array of nodes.
static unsigned identifyFace(Node const* const* /*_nodes*/, Node* nodes[1]);
/// Calculates the length of a line
static double computeVolume(Node const* const* _nodes);
}; /* class */
} // namespace MeshLib