TIRayEstimator.h

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#pragma once
 
#include "Core/Estimator/TEstimationArray.h"
 
#include <string>
#include <cstddef>
 
namespace ph
{
 
class Ray;
class Integrand;
class SampleFlow;
 
template<typename EstimationType>
class TIRayEstimator
{
public:
    virtual ~TIRayEstimator() = default;
 
    virtual void update(const Integrand& integrand) = 0;
 
    virtual void estimate(
        const Ray&                        ray, 
        const Integrand&                  integrand, 
        SampleFlow&                       sampleFlow,
        TEstimationArray<EstimationType>& out_estimation) const = 0;
 
    virtual void mapAttributeToEstimation(
        std::size_t attributeId, 
        std::size_t estimationIndex);
 
    virtual std::string toString() const;
};
 
// In-header Implementations:
 
template<typename EstimationType>
inline void TIRayEstimator<EstimationType>::mapAttributeToEstimation(
    const std::size_t attributeId,
    const std::size_t estimationIndex)
{}
 
template<typename EstimationType>
inline std::string TIRayEstimator<EstimationType>::toString() const
{
    return "Ray Estimator";
}
 
}// end namespace ph