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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2026 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "coordSet.H"
#include "ListListOps.H"
// * * * * * * * * * * * * * Static Member Data * * * * * * * * * * * * * * //
const Foam::NamedEnum<Foam::coordSet::axisType, 6>
Foam::coordSet::axisTypeNames_
{
"xyz",
"x",
"y",
"z",
"distance",
"default"
};
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::coordSet::coordSet()
:
segments_(0),
positionName_(word::null),
positions_(nullptr),
distanceName_(word::null),
distances_(nullptr),
axis_(axisType::DEFAULT)
{}
Foam::coordSet::coordSet
(
const labelList& segments,
const word& positionName,
const pointField& positions,
const word& distanceName,
const scalarField& distances,
const word& axis
)
:
segments_(segments),
positionName_(positionName),
positions_
(
isNull<pointField>(positions)
? nullptr
: new pointField(positions)
),
distanceName_(distanceName),
distances_
(
isNull<scalarField>(distances)
? nullptr
: new scalarField(distances)
),
axis_(axisTypeNames_[axis])
{}
Foam::coordSet::coordSet
(
const bool contiguous,
const word& positionName,
const pointField& positions,
const word& axis
)
:
coordSet
(
contiguous
? labelList(positions.size(), 0)
: identityMap(positions.size()),
positionName,
positions,
word::null,
scalarField::null(),
axis
)
{}
Foam::coordSet::coordSet
(
const bool contiguous,
const word& distanceName,
const scalarField& distances,
const word& axis
)
:
coordSet
(
contiguous
? labelList(distances.size(), 0)
: identityMap(distances.size()),
word::null,
pointField::null(),
distanceName,
distances,
axis
)
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
bool Foam::coordSet::hasScalarAxis() const
{
// If axis is default and both positions and distances are valid, take
// scalar distances in preference
return
(axis_ == axisType::X && positions_.valid())
|| (axis_ == axisType::Y && positions_.valid())
|| (axis_ == axisType::Z && positions_.valid())
|| (axis_ == axisType::DISTANCE && distances_.valid())
|| (axis_ == axisType::DEFAULT && distances_.valid());
}
bool Foam::coordSet::hasPointAxis() const
{
// If axis is default and both positions and distances are valid, take
// scalar distances in preference
return
(axis_ == axisType::XYZ && positions_.valid())
|| (axis_ == axisType::DEFAULT && positions_.valid());
}
Foam::scalar Foam::coordSet::scalarCoord(const label index) const
{
switch (axis_)
{
case axisType::XYZ:
FatalErrorInFunction
<< "Scalar coordinate requested from coordinate set with "
<< axisTypeNames_[axis_] << " axis" << exit(FatalError);
break;
case axisType::X:
return positions_()[index].x();
case axisType::Y:
return positions_()[index].y();
case axisType::Z:
return positions_()[index].z();
case axisType::DISTANCE:
return distances_()[index];
case axisType::DEFAULT:
if (distances_.valid()) return distances_()[index];
FatalErrorInFunction
<< "Scalar coordinate requested from coordinate set with "
<< axisTypeNames_[axis_] << " axis, but with no valid distances"
<< exit(FatalError);
break;
}
return NaN;
}
Foam::tmp<Foam::scalarField> Foam::coordSet::scalarCoords() const
{
switch (axis_)
{
case axisType::XYZ:
FatalErrorInFunction
<< "Scalar coordinate requested from coordinate set with "
<< axisTypeNames_[axis_] << " axis" << exit(FatalError);
break;
case axisType::X:
return positions_().component(point::X);
case axisType::Y:
return positions_().component(point::Y);
case axisType::Z:
return positions_().component(point::Z);
case axisType::DISTANCE:
return distances_();
case axisType::DEFAULT:
if (distances_.valid()) return distances_();
FatalErrorInFunction
<< "Scalar coordinate requested from coordinate set with "
<< axisTypeNames_[axis_] << " axis, but with no valid distances"
<< exit(FatalError);
break;
}
return scalarField::null();
}
Foam::word Foam::coordSet::scalarName() const
{
switch (axis_)
{
case axisType::XYZ:
FatalErrorInFunction
<< "Scalar name requested from coordinate set with "
<< axisTypeNames_[axis_] << " axis" << exit(FatalError);
break;
case axisType::X:
case axisType::Y:
case axisType::Z:
return
positionName_
+ (positionName_ != word::null ? "_" : "")
+ axis();
case axisType::DISTANCE:
return distanceName_;
case axisType::DEFAULT:
if (distances_.valid()) return distanceName_;
FatalErrorInFunction
<< "Scalar coordinate requested from coordinate set with "
<< axisTypeNames_[axis_] << " axis, but with no valid distances"
<< exit(FatalError);
break;
}
return word::null;
}
Foam::point Foam::coordSet::pointCoord(const label index) const
{
switch (axis_)
{
case axisType::XYZ:
return positions_()[index];
case axisType::X:
case axisType::Y:
case axisType::Z:
case axisType::DISTANCE:
FatalErrorInFunction
<< "Point coordinate requested from coordinate set with "
<< axisTypeNames_[axis_] << " axis" << exit(FatalError);
break;
case axisType::DEFAULT:
if (positions_.valid()) return positions_()[index];
FatalErrorInFunction
<< "Point coordinate requested from coordinate set with "
<< axisTypeNames_[axis_] << " axis, but with no valid point"
<< exit(FatalError);
break;
}
return point::uniform(NaN);
}
Foam::tmp<Foam::pointField> Foam::coordSet::pointCoords() const
{
switch (axis_)
{
case axisType::XYZ:
return positions_();
case axisType::X:
case axisType::Y:
case axisType::Z:
case axisType::DISTANCE:
FatalErrorInFunction
<< "Point coordinate requested from coordinate set with "
<< axisTypeNames_[axis_] << " axis" << exit(FatalError);
break;
case axisType::DEFAULT:
if (positions_.valid()) return positions_();
FatalErrorInFunction
<< "Point coordinate requested from coordinate set with "
<< axisTypeNames_[axis_] << " axis, but with no valid points"
<< exit(FatalError);
break;
}
return pointField::null();
}
const Foam::pointField& Foam::coordSet::positions() const
{
if (!positions_.valid())
{
FatalErrorInFunction
<< "Positions requested from coordinate set with no valid points"
<< exit(FatalError);
}
return positions_();
}
Foam::word Foam::coordSet::pointName() const
{
switch (axis_)
{
case axisType::XYZ:
return positionName_;
case axisType::X:
case axisType::Y:
case axisType::Z:
case axisType::DISTANCE:
FatalErrorInFunction
<< "Point name requested from coordinate set with "
<< axisTypeNames_[axis_] << " axis" << exit(FatalError);
break;
case axisType::DEFAULT:
if (positions_.valid()) return positionName_;
FatalErrorInFunction
<< "Point name requested from coordinate set with "
<< axisTypeNames_[axis_] << " axis, but with no valid point"
<< exit(FatalError);
break;
}
return word::null;
}
Foam::labelList Foam::coordSet::vertices() const
{
label nVertices = 0;
labelList vertices(size());
forAll(*this, pointi)
{
const label s = segments_[pointi];
if
(
(pointi == 0 || s != segments_[pointi - 1])
&& (pointi == size() - 1 || s != segments_[pointi + 1])
)
{
vertices[nVertices ++] = pointi;
}
}
vertices.resize(nVertices);
return vertices;
}
Foam::labelPairList Foam::coordSet::edges() const
{
label nEdges = 0;
labelPairList edges(size() - 1);
for (label pointi = 0; pointi < size() - 1; ++ pointi)
{
if (segments_[pointi] == segments_[pointi + 1])
{
edges[nEdges ++] = labelPair(pointi, pointi + 1);
}
}
edges.resize(nEdges);
return edges;
}
Foam::labelListList Foam::coordSet::lines() const
{
DynamicList<label> line;
DynamicList<labelList> lines;
forAll(*this, pointi)
{
line.append(pointi);
if
(
pointi == size() - 1
|| segments_[pointi] != segments_[pointi + 1]
)
{
if (line.size() > 1)
{
lines.append(line);
}
line.clear();
}
}
labelListList linesNonDynamic;
linesNonDynamic.transfer(lines);
return linesNonDynamic;
}
Foam::Tuple2<Foam::coordSet, Foam::labelList> Foam::coordSet::gather() const
{
// Collect data from all processors
List<List<point>> gatheredPositions;
if (positions_.valid())
{
gatheredPositions.resize(Pstream::nProcs());
gatheredPositions[Pstream::myProcNo()] = positions_();
Pstream::gatherList(gatheredPositions);
}
List<scalarList> gatheredDistances;
if (distances_.valid())
{
gatheredDistances.resize(Pstream::nProcs());
gatheredDistances[Pstream::myProcNo()] = distances_();
Pstream::gatherList(gatheredDistances);
}
List<labelField> gatheredSegments(Pstream::nProcs());
gatheredSegments[Pstream::myProcNo()] = segments_;
Pstream::gatherList(gatheredSegments);
// Combine processor lists into one big list.
List<point> allPositions;
if (positions_.valid())
{
allPositions =
ListListOps::combine<List<point>>
(
gatheredPositions,
accessOp()
);
};
scalarList allDistances;
if (distances_.valid())
{
allDistances =
ListListOps::combine<scalarList>
(
gatheredDistances,
accessOp()
);
}
labelList allSegments
(
ListListOps::combine<labelList>
(
gatheredSegments,
accessOp()
)
);
// Construct a result tuple
Tuple2<coordSet, labelList> result
(
coordSet(),
identityMap(allSegments.size())
);
coordSet& set = result.first();
labelList& order = result.second();
// Sort by segment then by distance
if (distances_.valid())
{
stableSort
(
order,
[&](const label a, const label b)
{
return
allSegments[a] < allSegments[b] ? true
: allSegments[a] > allSegments[b] ? false
: allDistances[a] < allDistances[b];
}
);
}
else
{
stableSort
(
order,
[&](const label a, const label b)
{
return allSegments[a] < allSegments[b];
}
);
}
// Set the data in the coordinate set
set.segments_ = labelField(allSegments, order);
set.positionName_ = positionName_;
if (positions_.valid())
{
set.positions_.set(new pointField(allPositions, order));
}
set.distanceName_ = distanceName_;
if (distances_.valid())
{
set.distances_.set(new scalarField(allDistances, order));
}
set.axis_ = axis_;
return result;
}
// ************************************************************************* //
|