SelectionPolygon.h

Go to the documentation of this file.

// ----------------------------------------------------------------------------
// -                        Open3D: www.open3d.org                            -
// ----------------------------------------------------------------------------
// The MIT License (MIT)
//
// Copyright (c) 2018 www.open3d.org
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
// ----------------------------------------------------------------------------

#pragma once

#include <vector>
#include <memory>
#include <Eigen/Core>
#include <Open3D/Geometry/Geometry2D.h>
#include <Open3D/Geometry/Image.h>

namespace open3d {

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

namespace visualization {
class ViewControl;
class SelectionPolygonVolume;

class SelectionPolygon : public geometry::Geometry2D {
public:
    enum class SectionPolygonType {
        Unfilled = 0,
        Rectangle = 1,
        Polygon = 2,
    };

public:
    SelectionPolygon()
        : geometry::Geometry2D(geometry::Geometry::GeometryType::Unspecified) {}
    ~SelectionPolygon() override {}

public:
    void Clear() override;
    bool IsEmpty() const override;
    Eigen::Vector2d GetMinBound() const final;
    Eigen::Vector2d GetMaxBound() const final;
    void FillPolygon(int width, int height);
    std::shared_ptr<geometry::PointCloud> CropPointCloud(
            const geometry::PointCloud &input, const ViewControl &view);
    std::shared_ptr<geometry::TriangleMesh> CropTriangleMesh(
            const geometry::TriangleMesh &input, const ViewControl &view);
    std::shared_ptr<SelectionPolygonVolume> CreateSelectionPolygonVolume(
            const ViewControl &view);

private:
    std::shared_ptr<geometry::PointCloud> CropPointCloudInRectangle(
            const geometry::PointCloud &input, const ViewControl &view);
    std::shared_ptr<geometry::PointCloud> CropPointCloudInPolygon(
            const geometry::PointCloud &input, const ViewControl &view);
    std::shared_ptr<geometry::TriangleMesh> CropTriangleMeshInRectangle(
            const geometry::TriangleMesh &input, const ViewControl &view);
    std::shared_ptr<geometry::TriangleMesh> CropTriangleMeshInPolygon(
            const geometry::TriangleMesh &input, const ViewControl &view);
    std::vector<size_t> CropInRectangle(
            const std::vector<Eigen::Vector3d> &input, const ViewControl &view);
    std::vector<size_t> CropInPolygon(const std::vector<Eigen::Vector3d> &input,
                                      const ViewControl &view);

public:
    std::vector<Eigen::Vector2d> polygon_;
    bool is_closed_ = false;
    geometry::Image polygon_interior_mask_;
    SectionPolygonType polygon_type_ = SectionPolygonType::Unfilled;
};

}  // namespace visualization
}  // namespace open3d