Add the OpenFOAM source tree

applications/utilities/postProcessing/miscellaneous/pdfPlot/Make/files

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+pdfPlot.C
+
+EXE = $(FOAM_APPBIN)/pdfPlot

applications/utilities/postProcessing/miscellaneous/pdfPlot/Make/options

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+EXE_INC = \
+    -I$(LIB_SRC)/finiteVolume/lnInclude \
+    -I$(LIB_SRC)/lagrangian/distributionModels/lnInclude \
+    -I$(LIB_SRC)/sampling/lnInclude
+
+EXE_LIBS = \
+    -ldistributionModels \
+    -lsampling

applications/utilities/postProcessing/miscellaneous/pdfPlot/createFields.H

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+    IOdictionary pdfDictionary
+    (
+        IOobject
+        (
+            "pdfDict",
+            runTime.constant(),
+            runTime,
+            IOobject::MUST_READ_IF_MODIFIED,
+            IOobject::NO_WRITE
+        )
+    );
+
+    const label nIntervals(readLabel(pdfDictionary.lookup("nIntervals")));
+
+    const label nSamples(readLabel(pdfDictionary.lookup("nSamples")));
+
+    const bool writeData(readBool(pdfDictionary.lookup("writeData")));
+
+
+    const fileName pdfPath = runTime.path()/"pdf";
+    mkDir(pdfPath);
+
+    cachedRandom rndGen(label(0), -1);
+
+    autoPtr<distributionModels::distributionModel> p
+    (
+        distributionModels::distributionModel::New
+        (
+            pdfDictionary,
+            rndGen
+        )
+    );
+
+    const scalar xMin = p->minValue();
+    const scalar xMax = p->maxValue();
+
+    autoPtr<OFstream> filePtr(NULL);
+    if (writeData)
+    {
+        fileName fName = pdfPath/(p->type() + ".data");
+        Info<< "Writing " << p->type() << " data samples to file:" << nl
+            << fName << nl << endl;
+
+        filePtr.reset(new OFstream(fName));
+    }
+
+    scalarField samples(nIntervals, 0);
+

applications/utilities/postProcessing/miscellaneous/pdfPlot/pdfDict

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+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    object      pdfDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// Number of intervals/bins in pdf plot
+nIntervals      20;
+
+// Number of samples
+nSamples        10000;
+
+// Type of pdf
+type            RosinRammler;
+
+// Write data flag
+writeData       true;
+
+// PDF model coefficients
+RosinRammlerDistribution
+{
+    minValue        1e-06;
+    maxValue        200e-06;
+    d               60.0e-06;
+    n               0.8;
+}
+
+// ************************************************************************* //

applications/utilities/postProcessing/miscellaneous/pdfPlot/pdfPlot.C

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+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2011-2013 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/>.
+
+Application
+    pdfPlot
+
+Description
+    Generates a graph of a probability distribution function.
+
+\*---------------------------------------------------------------------------*/
+
+#include "fvCFD.H"
+#include "distributionModel.H"
+#include "makeGraph.H"
+#include "OFstream.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+int main(int argc, char *argv[])
+{
+    #include "setRootCase.H"
+    #include "createTime.H"
+    #include "createFields.H"
+
+    label iCheck = 100;
+    for (label i=1; i<=nSamples; i++)
+    {
+        scalar ps = p->sample();
+        label n = label((ps - xMin)*nIntervals/(xMax - xMin));
+        samples[n]++;
+
+        if (writeData)
+        {
+            filePtr() << ps << nl;
+        }
+
+        if (i % iCheck == 0)
+        {
+            Info<< "    processed " << i << " samples" << endl;
+
+            if (i == 10*iCheck)
+            {
+                iCheck *= 10;
+            }
+        }
+    }
+
+    scalarField x(nIntervals);
+
+    forAll(x, i)
+    {
+        x[i] = xMin + i*(xMax - xMin)/(nIntervals - 1);
+    }
+
+    makeGraph(x, samples, p->type(), pdfPath, runTime.graphFormat());
+
+    Info<< "End\n" << endl;
+
+    return 0;
+}
+
+
+// ************************************************************************* //