FMMLevelSetSolver3.h

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/*************************************************************************
> File Name: FMMLevelSetSolver3.h
> Project Name: CubbyFlow
> Author: Chan-Ho Chris Ohk
> Purpose: Three-dimensional fast marching method (FMM) implementation.
> Created Time: 2017/09/01
> Copyright (c) 2018, Chan-Ho Chris Ohk
*************************************************************************/
#ifndef CUBBYFLOW_FMM_LEVEL_SET_SOLVER3_H
#define CUBBYFLOW_FMM_LEVEL_SET_SOLVER3_H

#include <Core/Solver/LevelSet/LevelSetSolver3.h>

namespace CubbyFlow
{
    class FMMLevelSetSolver3 final : public LevelSetSolver3
    {
    public:
        FMMLevelSetSolver3();

        void Reinitialize(
            const ScalarGrid3& inputSDF,
            double maxDistance,
            ScalarGrid3* outputSDF) override;

        void Extrapolate(
            const ScalarGrid3& input,
            const ScalarField3& sdf,
            double maxDistance,
            ScalarGrid3* output) override;

        void Extrapolate(
            const CollocatedVectorGrid3& input,
            const ScalarField3& sdf,
            double maxDistance,
            CollocatedVectorGrid3* output) override;

        void Extrapolate(
            const FaceCenteredGrid3& input,
            const ScalarField3& sdf,
            double maxDistance,
            FaceCenteredGrid3* output) override;

    private:
        void Extrapolate(
            const ConstArrayAccessor3<double>& input,
            const ConstArrayAccessor3<double>& sdf,
            const Vector3D& gridSpacing,
            double maxDistance,
            ArrayAccessor3<double> output);
    };

    using FMMLevelSetSolver3Ptr = std::shared_ptr<FMMLevelSetSolver3>;
}

#endif