ExpansionHistory.hpp

// This file is part of the AliceVision project.
// Copyright (c) 2024 AliceVision contributors.
// This Source Code Form is subject to the terms of the Mozilla Public License,
// v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
 
#pragma once
 
#include <aliceVision/types.hpp>
#include <aliceVision/sfmData/SfMData.hpp>
#include <aliceVision/track/Track.hpp>
 
namespace aliceVision {
namespace sfm {
 
class ExpansionHistory
{
public:
    using sptr = std::shared_ptr<ExpansionHistory>;
    
public:  
    ExpansionHistory();
    
    bool initialize(const sfmData::SfMData & sfmData);
 
    bool beginEpoch(const sfmData::SfMData & sfmData);
 
 
    void endEpoch(sfmData::SfMData & sfmData, const std::set<IndexT> & selectedViews);
 
    const size_t getEpoch() const 
    {
        return _epoch;
    }
 
    void saveState(const sfmData::SfMData & sfmData);
 
    const std::vector<std::pair<size_t, double>> & getFocalHistory(IndexT intrinsicId)
    {
        return _focalHistory[intrinsicId];
    }
 
    void debrief(const sfmData::SfMData & sfmData) const;
 
private:
    // History of focals per intrinsics
    std::map<IndexT, std::vector<std::pair<size_t, double>>> _focalHistory;
 
    // History of added views
    std::vector<std::set<IndexT>> _addedViews;
 
    // History of removed views
    std::vector<std::set<IndexT>> _removedViews;
    
    // epoch ID
    std::size_t _epoch = 0;
};
 
} // namespace sfm
} // namespace aliceVision