pointEdgeStructuredWalkI.H

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    Copyright (C) 2011-2016 OpenFOAM Foundation
    Copyright (C) 2019-2020 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
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    under the terms of the GNU General Public License as published by
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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#include "polyMesh.H"
#include "transform.H"
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
template<class TrackingData>
inline bool Foam::pointEdgeStructuredWalk::update
(
    const pointEdgeStructuredWalk& w2,
    const scalar tol,
    TrackingData& td
)
{
    if (!valid(td))
    {
        // current not yet set. Walked from w2 to here (=point0)
        dist_ = w2.dist_ + mag(point0_-w2.previousPoint_);
        previousPoint_ = point0_;
        data_ = w2.data_;
        index_ = w2.index_;
 
        return true;
    }
 
    return false;
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
inline Foam::pointEdgeStructuredWalk::pointEdgeStructuredWalk()
:
    point0_(point::max),
    previousPoint_(point::max),
    dist_(0),
    data_(Zero),
    index_(-1)
{}
 
 
inline Foam::pointEdgeStructuredWalk::pointEdgeStructuredWalk
(
    const point& point0,
    const point& previousPoint,
    const scalar dist,
    const vector& data,
    const label index
)
:
    point0_(point0),
    previousPoint_(previousPoint),
    dist_(dist),
    data_(data),
    index_(index)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
inline bool Foam::pointEdgeStructuredWalk::inZone() const
{
    return point0_ != point::max;
}
 
 
template<class TrackingData>
inline bool Foam::pointEdgeStructuredWalk::valid(TrackingData& td) const
{
    return previousPoint_ != point::max;
}
 
 
// Checks for cyclic points
template<class TrackingData>
inline bool Foam::pointEdgeStructuredWalk::sameGeometry
(
    const pointEdgeStructuredWalk& w2,
    const scalar tol,
    TrackingData& td
) const
{
    const scalar diff = Foam::mag(dist() - w2.dist());
 
    if (diff < SMALL)
    {
        return true;
    }
    else
    {
        if ((dist() > SMALL) && ((diff/dist()) < tol))
        {
            return true;
        }
        else
        {
            return false;
        }
    }
}
 
 
template<class TrackingData>
inline void Foam::pointEdgeStructuredWalk::leaveDomain
(
    const polyPatch& patch,
    const label patchPointi,
    const point& coord,
    TrackingData& td
)
{
    previousPoint_ -= coord;
}
 
 
template<class TrackingData>
inline void Foam::pointEdgeStructuredWalk::transform
(
    const tensor& rotTensor,
    TrackingData& td
)
{
    previousPoint_ = Foam::transform(rotTensor, previousPoint_);
}
 
 
// Update absolute geometric quantities. Note that distance (dist_)
// is not affected by leaving/entering domain.
template<class TrackingData>
inline void Foam::pointEdgeStructuredWalk::enterDomain
(
    const polyPatch& patch,
    const label patchPointi,
    const point& coord,
    TrackingData& td
)
{
    // back to absolute form
    previousPoint_ += coord;
}
 
 
// Update this with information from connected edge
template<class TrackingData>
inline bool Foam::pointEdgeStructuredWalk::updatePoint
(
    const polyMesh& mesh,
    const label pointi,
    const label edgeI,
    const pointEdgeStructuredWalk& edgeInfo,
    const scalar tol,
    TrackingData& td
)
{
    if (inZone())
    {
        return update(edgeInfo, tol, td);
    }
 
    return false;
}
 
 
// Update this with new information on same point
template<class TrackingData>
inline bool Foam::pointEdgeStructuredWalk::updatePoint
(
    const polyMesh& mesh,
    const label pointi,
    const pointEdgeStructuredWalk& newPointInfo,
    const scalar tol,
    TrackingData& td
)
{
    if (inZone())
    {
        return update(newPointInfo, tol, td);
    }
 
    return false;
}
 
 
// Update this with new information on same point. No extra information.
template<class TrackingData>
inline bool Foam::pointEdgeStructuredWalk::updatePoint
(
    const pointEdgeStructuredWalk& newPointInfo,
    const scalar tol,
    TrackingData& td
)
{
    return update(newPointInfo, tol, td);
}
 
 
// Update this with information from connected point
template<class TrackingData>
inline bool Foam::pointEdgeStructuredWalk::updateEdge
(
    const polyMesh& mesh,
    const label edgeI,
    const label pointi,
    const pointEdgeStructuredWalk& pointInfo,
    const scalar tol,
    TrackingData& td
)
{
    if (inZone())
    {
        return update(pointInfo, tol, td);
    }
 
    return false;
}
 
 
template<class TrackingData>
inline bool Foam::pointEdgeStructuredWalk::equal
(
    const pointEdgeStructuredWalk& rhs,
    TrackingData& td
) const
{
    return operator==(rhs);
}
 
 
// * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
 
inline bool Foam::pointEdgeStructuredWalk::operator==
(
    const pointEdgeStructuredWalk& rhs
) const
{
    return previousPoint_ == rhs.previousPoint_;
}
 
 
inline bool Foam::pointEdgeStructuredWalk::operator!=
(
    const pointEdgeStructuredWalk& rhs
) const
{
    return !(*this == rhs);
}
 
 
// ************************************************************************* //