PoseGraph.h

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// -                        Open3D: www.open3d.org                            -
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// The MIT License (MIT)
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// Copyright (c) 2018 www.open3d.org
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#pragma once

#include <vector>
#include <memory>

#include <Open3D/Utility/IJsonConvertible.h>
#include <Open3D/Utility/Eigen.h>

namespace open3d {
namespace registration {

class PoseGraphNode : public utility::IJsonConvertible {
public:
    PoseGraphNode(const Eigen::Matrix4d &pose = Eigen::Matrix4d::Identity())
        : pose_(pose){};
    ~PoseGraphNode();

public:
    bool ConvertToJsonValue(Json::Value &value) const override;
    bool ConvertFromJsonValue(const Json::Value &value) override;

public:
    Eigen::Matrix4d_u pose_;
};

class PoseGraphEdge : public utility::IJsonConvertible {
public:
    PoseGraphEdge(
            int source_node_id = -1,
            int target_node_id = -1,
            const Eigen::Matrix4d &transformation = Eigen::Matrix4d::Identity(),
            const Eigen::Matrix6d &information = Eigen::Matrix6d::Identity(),
            bool uncertain = false,
            double confidence = 1.0)
        : source_node_id_(source_node_id),
          target_node_id_(target_node_id),
          transformation_(transformation),
          information_(information),
          uncertain_(uncertain),
          confidence_(confidence){};
    ~PoseGraphEdge();

public:
    bool ConvertToJsonValue(Json::Value &value) const override;
    bool ConvertFromJsonValue(const Json::Value &value) override;

public:
    int source_node_id_;
    int target_node_id_;
    Eigen::Matrix4d_u transformation_;
    Eigen::Matrix6d_u information_;
    bool uncertain_;
    double confidence_;
};

class PoseGraph : public utility::IJsonConvertible {
public:
    PoseGraph();
    ~PoseGraph() override;

public:
    bool ConvertToJsonValue(Json::Value &value) const override;
    bool ConvertFromJsonValue(const Json::Value &value) override;

public:
    std::vector<PoseGraphNode> nodes_;
    std::vector<PoseGraphEdge> edges_;
};

}  // namespace registration
}  // namespace open3d