ecvTetraMesh.h

Go to the documentation of this file.

// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <Eigen/Core>
#include <Eigen/StdVector>
#include <memory>
#include <vector>
 
// LOCAL
#include "ecvMeshBase.h"
 
// CV_CORE_LIB
#include <Eigen.h>
#include <Helper.h>
 
namespace cloudViewer {
namespace geometry {
 
class CV_DB_LIB_API TetraMesh : public ecvMeshBase {
public:
 
    TetraMesh(const char *name = "TetraMesh") : ecvMeshBase(name) {}
 
    TetraMesh(
            const std::vector<Eigen::Vector3d> &vertices,
            const std::vector<Eigen::Vector4i,
                              cloudViewer::utility::Vector4i_allocator> &tetras,
            const char *name = "TetraMesh")
        : ecvMeshBase(name), tetras_(tetras) {}
 
    ~TetraMesh() override {}
 
    // inherited methods (ccHObject)
    virtual bool isSerializable() const override { return true; }
    virtual CV_CLASS_ENUM getClassID() const override {
        return CV_TYPES::TETRA_MESH;
    }
 
public:
    virtual TetraMesh &clear() override;
 
public:
    inline std::size_t TetraSize() const { return tetras_.size(); }
 
    TetraMesh &operator+=(const TetraMesh &mesh);
    TetraMesh operator+(const TetraMesh &mesh) const;
 
    TetraMesh &RemoveDuplicatedVertices();
 
    TetraMesh &RemoveDuplicatedTetras();
 
    TetraMesh &RemoveUnreferencedVertices();
 
    TetraMesh &RemoveDegenerateTetras();
 
    bool HasTetras() const {
        return vertices_.size() > 0 && tetras_.size() > 0;
    }
 
    std::shared_ptr<ccMesh> ExtractTriangleMesh(
            const std::vector<double> &values, double level);
 
    static std::tuple<std::shared_ptr<TetraMesh>, std::vector<size_t>>
    CreateFromPointCloud(const ccPointCloud &point_cloud);
 
public:
    std::vector<Eigen::Vector4i, cloudViewer::utility::Vector4i_allocator>
            tetras_;
};
 
}  // namespace geometry
}  // namespace cloudViewer