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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/>.
\*---------------------------------------------------------------------------*/
#include "argList.H"
#include "vector.H"
#include "IFstream.H"
#include "BSpline.H"
#include "CatmullRomSpline.H"
using namespace Foam;
inline Ostream& printPoint(Ostream& os, const point& p)
{
os << p.x() << ' ' << p.y() << ' ' << p.z() << nl;
return os;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Main program:
int main(int argc, char *argv[])
{
argList::noParallel();
argList::validArgs.insert("file .. fileN");
argList::addBoolOption("B", "B-Spline implementation");
argList::addBoolOption("CMR", "catmull-rom spline (default)");
argList::addOption
(
"n",
"INT",
"number of segments for evaluation - default 20"
);
argList args(argc, argv, false, true);
if (args.size() <= 1)
{
args.printUsage();
}
bool useBSpline = args.optionFound("B");
bool useCatmullRom = args.optionFound("CMR");
label nSeg = args.optionLookupOrDefault<label>("n", 20);
if (!useCatmullRom && !useBSpline)
{
Info<<"defaulting to Catmull-Rom spline" << endl;
useCatmullRom = true;
}
for (label argI=1; argI < args.size(); ++argI)
{
const string& srcFile = args[argI];
Info<< nl << "reading " << srcFile << nl;
IFstream ifs(srcFile);
List<pointField> pointFields(ifs);
forAll(pointFields, splineI)
{
Info<<"\n# points:" << endl;
forAll(pointFields[splineI], ptI)
{
printPoint(Info, pointFields[splineI][ptI]);
}
if (useBSpline)
{
BSpline spl(pointFields[splineI]);
Info<< nl << "# B-Spline" << endl;
for (label segI = 0; segI <= nSeg; ++segI)
{
scalar lambda = scalar(segI)/scalar(nSeg);
printPoint(Info, spl.position(lambda));
}
}
if (useCatmullRom)
{
CatmullRomSpline spl(pointFields[splineI]);
Info<< nl <<"# Catmull-Rom" << endl;
for (label segI = 0; segI <= nSeg; ++segI)
{
scalar lambda = scalar(segI)/scalar(nSeg);
printPoint(Info, spl.position(lambda));
}
}
{
polyLine pl(pointFields[splineI]);
Info<< nl <<"# polyList" << endl;
for (label segI = 0; segI <= nSeg; ++segI)
{
scalar lambda = scalar(segI)/scalar(nSeg);
printPoint(Info, pl.position(lambda));
}
}
}
}
return 0;
}
// ************************************************************************* //
|
