Revision fb4792f2b101726446ec4cb044d9045d61e4a3df authored by Lars Bilke on 26 May 2021, 20:49:15 UTC, committed by Lars Bilke on 27 May 2021, 13:07:16 UTC
1 parent 741c368
findElementsWithinRadius.h
/**
* \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 <vector>
namespace MeshLib
{
class Element;
} // namespace MeshLib
namespace MeshLib
{
/// Find neighbor elements in given radius of the element.
/// \returns ids of elements for which at least one node lies inside the radius
/// of any node of the given element.
/// \note There are corner-cases not correctly handled by this algorithm:
/// Elements where an edge, but not the edge' nodes, fall inside the search
/// radius are not included. The algorithm is only considering node to node
/// distances and does not take into account if there is a part of an element
/// (an edge or a face) but not the nodes falls inside the search radius.
///
/// \note For radius 0 only the given element's id is returned.
std::vector<std::size_t> findElementsWithinRadius(Element const& start_element,
double const radius_squared);
} // namespace MeshLib
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