CorePoints.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
// ##########################################################################
// #                                                                        #
// #                     ACLOUDVIEWER PLUGIN: q3DMASC                       #
// #                                                                        #
// #  This program is free software; you can redistribute it and/or modify  #
// #  it under the terms of the GNU General Public License as published by  #
// #  the Free Software Foundation; version 2 or later of the License.      #
// #                                                                        #
// #  This program is distributed in the hope that it will be useful,       #
// #  but WITHOUT ANY WARRANTY; without even the implied warranty of        #
// #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the          #
// #  GNU General Public License for more details.                          #
// #                                                                        #
// #                 COPYRIGHT: Dimitri Lague / CNRS / UEB                  #
// #                                                                        #
// ##########################################################################
 
// qCC_db
#include <ecvPointCloud.h>
 
// CCLib
#include <GenericProgressCallback.h>
#include <ReferenceCloud.h>
 
// Qt
#include <QSharedPointer>
 
namespace masc {
struct CorePoints {
    ccPointCloud* origin = nullptr;
 
    ccPointCloud* cloud = nullptr;
 
    QString role;
 
    inline unsigned size() const { return (cloud ? cloud->size() : 0); }
    inline unsigned originIndex(unsigned i) const {
        return selection ? selection->getPointGlobalIndex(i) : i;
    }
 
    // selection (if any)
    QSharedPointer<cloudViewer::ReferenceCloud> selection;
    enum SubSamplingMethod { NONE, RANDOM, SPATIAL };
    SubSamplingMethod selectionMethod = NONE;
    double selectionParam = std::numeric_limits<double>::quiet_NaN();
 
    bool prepare(cloudViewer::GenericProgressCallback* progressCb = nullptr);
};
 
};  // namespace masc