SelectionPolygonVolume.h

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// The MIT License (MIT)
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#pragma once

#include <vector>
#include <string>
#include <memory>
#include <Eigen/Core>
#include <Open3D/Utility/IJsonConvertible.h>

namespace open3d {

namespace geometry {
class Geometry;
class PointCloud;
class TriangleMesh;
}  // namespace geometry

namespace visualization {

class SelectionPolygonVolume : public utility::IJsonConvertible {
public:
    ~SelectionPolygonVolume() override {}

public:
    bool ConvertToJsonValue(Json::Value &value) const override;
    bool ConvertFromJsonValue(const Json::Value &value) override;
    std::shared_ptr<geometry::PointCloud> CropPointCloud(
            const geometry::PointCloud &input) const;
    std::shared_ptr<geometry::TriangleMesh> CropTriangleMesh(
            const geometry::TriangleMesh &input) const;

private:
    std::shared_ptr<geometry::PointCloud> CropPointCloudInPolygon(
            const geometry::PointCloud &input) const;
    std::shared_ptr<geometry::TriangleMesh> CropTriangleMeshInPolygon(
            const geometry::TriangleMesh &input) const;
    std::vector<size_t> CropInPolygon(
            const std::vector<Eigen::Vector3d> &input) const;

public:
    std::string orthogonal_axis_ = "";
    std::vector<Eigen::Vector3d> bounding_polygon_;
    double axis_min_ = 0.0;
    double axis_max_ = 0.0;
};

}  // namespace visualization
}  // namespace open3d