101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
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/*---------------------------------------------------------------------------*\
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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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Description
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line class : defines a straight line between the start point and the
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end point
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\*---------------------------------------------------------------------------*/
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#include "error.H"
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#include "lineEdge.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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defineTypeNameAndDebug(lineEdge, 0);
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// Add the curvedEdge constructor functions to the hash tables
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curvedEdge::addIstreamConstructorToTable<lineEdge>
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addLineEdgeIstreamConstructorToTable_;
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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// Construct from components
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lineEdge::lineEdge
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(
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const pointField& points,
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const label start,
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const label end
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)
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:
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curvedEdge(points, start, end),
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startPoint_(points_[start_]),
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direction_(points_[end_] - points_[start_])
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{}
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// Construct from Istream
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lineEdge::lineEdge(const pointField& points, Istream& is)
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:
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curvedEdge(points, is),
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startPoint_(points_[start_]),
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direction_(points_[end_] - points_[start_])
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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vector lineEdge::position(const scalar lambda) const
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{
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if (lambda < 0 || lambda > 1)
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{
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FatalErrorIn("lineEdge::position(const scalar)")
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<< "Parameter out of range, lambda = " << lambda
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<< abort(FatalError);
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}
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return startPoint_ + lambda*direction_;
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}
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//- Return the length of the curve
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scalar lineEdge::length() const
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{
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return mag(direction_);
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// ************************************************************************* //
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