pdfPlot.C
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1 /*---------------------------------------------------------------------------*\
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23 
24 Application
25  pdfPlot
26 
27 Description
28  Generates a graph of a probability distribution function.
29 
30 \*---------------------------------------------------------------------------*/
31 
32 #include "argList.H"
33 #include "Time.H"
34 #include "distribution.H"
35 #include "setWriter.H"
36 #include "writeFile.H"
37 #include "OFstream.H"
38 
39 using namespace Foam;
40 
41 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
42 
43 int main(int argc, char *argv[])
44 {
45  #include "setRootCase.H"
46  #include "createTime.H"
47  #include "createFields.H"
48 
49  label iCheck = 100;
50  for (label i=1; i<=nSamples; i++)
51  {
52  scalar ps = p->sample();
53  label n = label((ps - xMin)*nIntervals/(xMax - xMin));
54  samples[n]++;
55 
56  if (writeData)
57  {
58  filePtr() << ps << nl;
59  }
60 
61  if (i % iCheck == 0)
62  {
63  Info<< " processed " << i << " samples" << endl;
64 
65  if (i == 10*iCheck)
66  {
67  iCheck *= 10;
68  }
69  }
70  }
71 
73  forAll(x, i)
74  {
75  x[i] = xMin + i*(xMax - xMin)/(nIntervals - 1);
76  }
77 
78  setWriter::New(runTime.controlDict().lookup("graphFormat"))->write
79  (
80  pdfPath,
81  args.executable(),
82  coordSet(true, "x", x),
83  p->type(),
84  samples
85  );
86 
87  Info<< "End\n" << endl;
88 
89  return 0;
90 }
91 
92 
93 // ************************************************************************* //
label n
#define forAll(list, i)
Loop across all elements in list.
Definition: UList.H:434
const word & executable() const
Name of executable without the path.
Definition: argListI.H:36
Holds list of sampling positions.
Definition: coordSet.H:51
static autoPtr< setWriter > New(const word &writeType, const IOstream::streamFormat writeFormat=IOstream::ASCII, const IOstream::compressionType writeCompression=IOstream::UNCOMPRESSED)
Select given write options.
Definition: setWriter.C:286
int main(int argc, char *argv[])
Definition: financialFoam.C:44
Namespace for OpenFOAM.
intWM_LABEL_SIZE_t label
A label is an int32_t or int64_t as specified by the pre-processor macro WM_LABEL_SIZE.
Definition: label.H:59
Ostream & endl(Ostream &os)
Add newline and flush stream.
Definition: Ostream.H:257
messageStream Info
static const char nl
Definition: Ostream.H:266
Foam::argList args(argc, argv)
volScalarField & p
const bool writeData(readBool(pdfDictionary.lookup("writeData")))
scalarField samples(nIntervals, 0)
const label nSamples(pdfDictionary.lookup< label >("nSamples"))
const scalar xMin
Definition: createFields.H:29
const fileName pdfPath
Definition: createFields.H:19
autoPtr< OFstream > filePtr(nullptr)
const label nIntervals(pdfDictionary.lookup< label >("nIntervals"))
const scalar xMax
Definition: createFields.H:30