Creation of OpenFOAM-dev repository 15/04/2008

src/lagrangian/basic/Particle/ParticleIO.C

@@ -0,0 +1,109 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 1991-2007 OpenCFD Ltd.
+     \\/     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 2 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, write to the Free Software Foundation,
+    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+\*---------------------------------------------------------------------------*/
+
+#include "Particle.H"
+#include "IOstreams.H"
+#include "IOPosition.H"
+
+// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
+
+// Construct from Istream
+template<class ParticleType>
+Foam::Particle<ParticleType>::Particle
+(
+    const Cloud<ParticleType>& cloud,
+    Istream& is,
+    bool readFields
+)
+:
+    cloud_(cloud),
+    facei_(-1),
+    stepFraction_(0.0)
+{
+    if (is.format() == IOstream::ASCII)
+    {
+        is >> position_ >> celli_;
+    }
+    else
+    {
+        // In binary read both celli_ and facei_, needed for parallel transfer
+        is.read
+        (
+            reinterpret_cast<char*>(&position_),
+            sizeof(position_) + sizeof(celli_)
+          + sizeof(facei_) + sizeof(stepFraction_)
+        );
+    }
+
+    if (celli_ == -1)
+    {
+        celli_ = cloud_.pMesh().findCell(position_);
+    }
+
+    // Check state of Istream
+    is.check("Particle<ParticleType>::Particle(Istream&)");
+}
+
+
+template<class ParticleType>
+void Foam::Particle<ParticleType>::writeFields
+(
+    const Cloud<ParticleType>& c
+)
+{
+    // Write the cloud position file
+    IOPosition<ParticleType> ioP(c);
+    ioP.write();
+}
+
+
+template<class ParticleType>
+Foam::Ostream& Foam::operator<<(Ostream& os, const Particle<ParticleType>& p)
+{
+    if (os.format() == IOstream::ASCII)
+    {
+        os << p.position_
+           << token::SPACE << p.celli_;
+    }
+    else
+    {
+        // In binary write both celli_ and facei_, needed for parallel transfer
+        os.write
+        (
+            reinterpret_cast<const char*>(&p.position_),
+            sizeof(p.position_) + sizeof(p.celli_)
+          + sizeof(p.facei_) + sizeof(p.stepFraction_)
+        );
+    }
+
+    // Check state of Ostream
+    os.check("Ostream& operator<<(Ostream&, const Particle<ParticleType>&)");
+
+    return os;
+}
+
+
+// ************************************************************************* //