GeometryUtils.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#pragma once
 
#include "Moose.h"
#include "libmesh/point.h"
#include "libmesh/mesh_tools.h"
 
namespace geom_utils
{
bool isPointZero(const libMesh::Point & pt);
 
libMesh::Point unitVector(const libMesh::Point & pt, const std::string & name);
 
libMesh::Point rotatePointAboutAxis(const libMesh::Point & p,
                                    const libMesh::Real angle,
                                    const libMesh::Point & axis);
 
libMesh::Real minDistanceToPoints(const libMesh::Point & pt,
                                  const std::vector<libMesh::Point> & candidates,
                                  const unsigned int axis);
 
std::vector<libMesh::Point>
polygonCorners(const unsigned int num_sides, const libMesh::Real radius, const unsigned int axis);
 
std::pair<unsigned int, unsigned int> projectedIndices(const unsigned int axis);
 
libMesh::Point
projectPoint(const libMesh::Real x0, const libMesh::Real x1, const unsigned int axis);
 
libMesh::Point projectedUnitNormal(libMesh::Point pt1, libMesh::Point pt2, const unsigned int axis);
 
libMesh::Real distanceFromLine(const libMesh::Point & pt,
                               const libMesh::Point & line0,
                               const libMesh::Point & line1);
 
libMesh::Real projectedDistanceFromLine(libMesh::Point pt,
                                        libMesh::Point line0,
                                        libMesh::Point line1,
                                        const unsigned int axis);
 
libMesh::Real projectedLineHalfSpace(libMesh::Point pt1,
                                     libMesh::Point pt2,
                                     libMesh::Point pt3,
                                     const unsigned int axis);
 
bool pointInPolygon(const libMesh::Point & point,
                    const std::vector<libMesh::Point> & corners,
                    const unsigned int axis);
 
bool pointOnEdge(const libMesh::Point & point,
                 const std::vector<libMesh::Point> & corners,
                 const unsigned int axis);
 
std::vector<libMesh::Point> boxCorners(const libMesh::BoundingBox & box,
                                       const libMesh::Real factor);
 
bool arePointsColinear(const Point & p1, const Point & p2, const Point & p3);
 
bool segmentsIntersect(const Point & p1, const Point & p2, const Point & p3, const Point & p4);
 
Real pointSegmentDistanceSq(const Point & point, const Point & a, const Point & b);
 
Real
pointTriangleDistanceSq(const Point & point, const Point & v0, const Point & v1, const Point & v2);
 
Real solidAngle(const Point & point, const Point & v0, const Point & v1, const Point & v2);
} // end of namespace geom_utils