315 lines
8.6 KiB
C
315 lines
8.6 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright held by original author
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Application
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transformPoints
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Description
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Transforms the mesh points in the polyMesh directory according to the
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translate, rotate and scale options.
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Usage
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Options are:
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-translate vector
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Translates the points by the given vector,
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-rotate (vector vector)
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Rotates the points from the first vector to the second,
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or -yawPitchRoll (yawdegrees pitchdegrees rolldegrees)
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or -rollPitchYaw (rolldegrees pitchdegrees yawdegrees)
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or -rotateAlongVector (vector and angle)
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-scale vector
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Scales the points by the given vector.
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The any or all of the three options may be specified and are processed
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in the above order.
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With -rotateFields (in combination with -rotate/yawPitchRoll/rollPitchYaw)
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it will also read & transform vector & tensor fields.
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Note:
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yaw (rotation about z)
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pitch (rotation about y)
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roll (rotation about x)
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\*---------------------------------------------------------------------------*/
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#include "argList.H"
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#include "objectRegistry.H"
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#include "Time.H"
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#include "fvMesh.H"
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#include "volFields.H"
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#include "surfaceFields.H"
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#include "ReadFields.H"
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#include "pointFields.H"
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#include "transformField.H"
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#include "transformGeometricField.H"
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#include "IStringStream.H"
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#include "RodriguesRotation.H"
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using namespace Foam;
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using namespace Foam::mathematicalConstant;
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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template<class GeoField>
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void readAndRotateFields
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(
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PtrList<GeoField>& flds,
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const fvMesh& mesh,
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const tensor& T,
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const IOobjectList& objects
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)
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{
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ReadFields(mesh, objects, flds);
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forAll(flds, i)
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{
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Info<< "Transforming " << flds[i].name() << endl;
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dimensionedTensor dimT("t", flds[i].dimensions(), T);
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transform(flds[i], dimT, flds[i]);
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}
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}
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void rotateFields(const argList& args, const Time& runTime, const tensor& T)
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{
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# include "createNamedMesh.H"
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// Read objects in time directory
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IOobjectList objects(mesh, runTime.timeName());
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// Read vol fields.
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PtrList<volScalarField> vsFlds;
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readAndRotateFields(vsFlds, mesh, T, objects);
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PtrList<volVectorField> vvFlds;
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readAndRotateFields(vvFlds, mesh, T, objects);
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PtrList<volSphericalTensorField> vstFlds;
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readAndRotateFields(vstFlds, mesh, T, objects);
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PtrList<volSymmTensorField> vsymtFlds;
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readAndRotateFields(vsymtFlds, mesh, T, objects);
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PtrList<volTensorField> vtFlds;
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readAndRotateFields(vtFlds, mesh, T, objects);
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// Read surface fields.
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PtrList<surfaceScalarField> ssFlds;
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readAndRotateFields(ssFlds, mesh, T, objects);
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PtrList<surfaceVectorField> svFlds;
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readAndRotateFields(svFlds, mesh, T, objects);
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PtrList<surfaceSphericalTensorField> sstFlds;
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readAndRotateFields(sstFlds, mesh, T, objects);
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PtrList<surfaceSymmTensorField> ssymtFlds;
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readAndRotateFields(ssymtFlds, mesh, T, objects);
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PtrList<surfaceTensorField> stFlds;
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readAndRotateFields(stFlds, mesh, T, objects);
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mesh.write();
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}
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// Main program:
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int main(int argc, char *argv[])
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{
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# include "addRegionOption.H"
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argList::validOptions.insert("translate", "vector");
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argList::validOptions.insert("rotate", "(vector vector)");
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argList::validOptions.insert("rotateAlongVector", "(vector angleInDegree)");
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argList::validOptions.insert("rollPitchYaw", "(roll pitch yaw)");
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argList::validOptions.insert("yawPitchRoll", "(yaw pitch roll)");
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argList::validOptions.insert("rotateFields", "");
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argList::validOptions.insert("scale", "vector");
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# include "setRootCase.H"
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# include "createTime.H"
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word regionName = polyMesh::defaultRegion;
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fileName meshDir;
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if (args.optionReadIfPresent("region", regionName))
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{
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meshDir = regionName/polyMesh::meshSubDir;
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}
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else
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{
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meshDir = polyMesh::meshSubDir;
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}
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pointIOField points
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(
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IOobject
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(
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"points",
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runTime.findInstance(meshDir, "points"),
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meshDir,
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runTime,
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IOobject::MUST_READ,
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IOobject::NO_WRITE,
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false
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)
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);
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if (args.options().empty())
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{
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FatalErrorIn(args.executable())
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<< "No options supplied, please use one or more of "
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"-translate, -rotate or -scale options."
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<< exit(FatalError);
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}
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if (args.optionFound("translate"))
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{
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vector transVector(args.optionLookup("translate")());
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Info<< "Translating points by " << transVector << endl;
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points += transVector;
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}
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if (args.optionFound("rotate"))
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{
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Pair<vector> n1n2(args.optionLookup("rotate")());
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n1n2[0] /= mag(n1n2[0]);
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n1n2[1] /= mag(n1n2[1]);
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tensor T = rotationTensor(n1n2[0], n1n2[1]);
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Info<< "Rotating points by " << T << endl;
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points = transform(T, points);
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if (args.optionFound("rotateFields"))
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{
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rotateFields(args, runTime, T);
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}
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}
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else if (args.optionFound("rollPitchYaw"))
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{
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vector v(args.optionLookup("rollPitchYaw")());
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Info<< "Rotating points by" << nl
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<< " roll " << v.x() << nl
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<< " pitch " << v.y() << nl
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<< " yaw " << v.z() << endl;
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// Convert to radians
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v *= pi/180.0;
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quaternion R(v.x(), v.y(), v.z());
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Info<< "Rotating points by quaternion " << R << endl;
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points = transform(R, points);
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if (args.optionFound("rotateFields"))
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{
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rotateFields(args, runTime, R.R());
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}
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}
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else if (args.optionFound("yawPitchRoll"))
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{
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vector v(args.optionLookup("yawPitchRoll")());
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Info<< "Rotating points by" << nl
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<< " yaw " << v.x() << nl
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<< " pitch " << v.y() << nl
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<< " roll " << v.z() << endl;
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// Convert to radians
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v *= pi/180.0;
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scalar yaw = v.x();
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scalar pitch = v.y();
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scalar roll = v.z();
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quaternion R = quaternion(vector(0, 0, 1), yaw);
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R *= quaternion(vector(0, 1, 0), pitch);
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R *= quaternion(vector(1, 0, 0), roll);
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Info<< "Rotating points by quaternion " << R << endl;
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points = transform(R, points);
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if (args.optionFound("rotateFields"))
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{
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rotateFields(args, runTime, R.R());
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}
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}
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else if (args.optionFound("rotateAlongVector"))
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{
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vector rotationAxis;
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scalar rotationAngle;
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args.optionLookup("rotateAlongVector")()
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>> rotationAxis
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>> rotationAngle;
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tensor T = RodriguesRotation(rotationAxis, rotationAngle);
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Info << "Rotating points by " << T << endl;
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points = transform(T, points);
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if (args.options().found("rotateFields"))
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{
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rotateFields(args, runTime, T);
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}
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}
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if (args.optionFound("scale"))
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{
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vector scaleVector(args.optionLookup("scale")());
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Info<< "Scaling points by " << scaleVector << endl;
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points.replace(vector::X, scaleVector.x()*points.component(vector::X));
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points.replace(vector::Y, scaleVector.y()*points.component(vector::Y));
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points.replace(vector::Z, scaleVector.z()*points.component(vector::Z));
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}
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// Set the precision of the points data to 10
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IOstream::defaultPrecision(10);
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Info << "Writing points into directory " << points.path() << nl << endl;
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points.write();
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return 0;
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}
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// ************************************************************************* //
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