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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.1 (2010/10/01)
#include "Wm5MathematicsPCH.h"
#include "Wm5IntpVectorField2.h"
#include "Wm5Memory.h"
namespace Wm5
{
//----------------------------------------------------------------------------
template <typename Real>
IntpVectorField2<Real>::IntpVectorField2 (int quantity,
Vector2<Real>* domain, Vector2<Real>* range, bool owner,
Query::Type queryType)
{
// Repackage the output vectors into individual components. This is
// required because of the format that the quadratic interpolator expects
// for its input data.
Real* xOutput = new1<Real>(quantity);
Real* yOutput = new1<Real>(quantity);
for (int i = 0; i < quantity; ++i)
{
xOutput[i] = range[i].X();
yOutput[i] = range[i].Y();
}
if (owner)
{
delete1(range);
}
// Common triangulator for the interpolators.
mDT = new0 Delaunay2<Real>(quantity, domain, (Real)0.001, owner,
queryType);
// Create interpolator for x-coordinate of vector field.
mXInterp = new0 IntpQdrNonuniform2<Real>(*mDT, xOutput, true);
// Create interpolator for y-coordinate of vector field, but share the
// already created triangulation for the x-interpolator.
mYInterp = new0 IntpQdrNonuniform2<Real>(*mDT, yOutput, true);
}
//----------------------------------------------------------------------------
template <typename Real>
IntpVectorField2<Real>::~IntpVectorField2 ()
{
delete0(mDT);
delete0(mXInterp);
delete0(mYInterp);
}
//----------------------------------------------------------------------------
template <typename Real>
bool IntpVectorField2<Real>::Evaluate (const Vector2<Real>& input,
Vector2<Real>& output)
{
Real xDeriv, yDeriv;
return mXInterp->Evaluate(input, output.X(), xDeriv, yDeriv)
&& mYInterp->Evaluate(input, output.Y(), xDeriv, yDeriv);
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// Explicit instantiation.
//----------------------------------------------------------------------------
template WM5_MATHEMATICS_ITEM
class IntpVectorField2<float>;
template WM5_MATHEMATICS_ITEM
class IntpVectorField2<double>;
//----------------------------------------------------------------------------
}
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