extract explicit mesh with topology information from implicit surfaces with boolean operations, and do surface/volume integrating on them.
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#pragma once
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#include "utils/eigen_alias.hpp"
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template <typename Scalar, size_t Dim>
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class ImplicitFunction
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{
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public:
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Scalar evaluate_scalar(const Eigen::Ref<const Eigen::Vector<Scalar, Dim>>& pos) const;
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Eigen::Vector<Scalar, Dim> evaluate_gradient(const Eigen::Ref<const Eigen::Vector<Scalar, Dim>>& pos) const;
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Eigen::Vector<Scalar, Dim + 1> evaluate_scalar_gradient(const Eigen::Ref<const Eigen::Vector<Scalar, Dim>>& pos) const;
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};
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