tin_creation_simplification_point_set_wlop.h

// Copyright (c) 2018 Coronis Computing S.L. (Spain)
// All rights reserved.
//
// This file is part of EMODnet Quantized Mesh Generator for Cesium.
//
// 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, either version 3 of the License, or
// (at your option) any later version.
//
// 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.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
//
// Author: Ricard Campos (ricardcd@gmail.com)

#ifndef EMODNET_QMGC_TIN_CREATION_SIMPLIFICATION_POINT_SET_WLOP_H
#define EMODNET_QMGC_TIN_CREATION_SIMPLIFICATION_POINT_SET_WLOP_H

#include "tin_creation_simplification_point_set.h"

namespace TinCreation {

class TinCreationSimplificationPointSetWLOP
        : public TinCreationSimplificationPointSet
{
public:
    TinCreationSimplificationPointSetWLOP(double borderSimplificationMaxDistance,
                                          double borderSimplificationMaxLength,
                                          unsigned int minFeaturePolylineSize,
                                          double retainPercentage,
                                          double radius,
                                          unsigned int iterNumber = 35)
            : TinCreationSimplificationPointSet(borderSimplificationMaxDistance, borderSimplificationMaxLength, minFeaturePolylineSize)
            , m_iterNumber(iterNumber)
    {
        m_retainPercentagePerZoom = std::vector<double>{retainPercentage};
        m_radiusPerZoom = std::vector<double>{radius};
        setParamsForZoomConcreteStrategy(0);
    }

    TinCreationSimplificationPointSetWLOP(std::vector<double> borderSimplificationMaxDistancePerZoom,
                                          std::vector<double> borderSimplificationMaxLengthPerZoom,
                                          unsigned int minFeaturePolylineSize,
                                          std::vector<double> retainPercentagePerZoom,
                                          std::vector<double> radiusPerZoom,
                                          unsigned int iterNumber = 35)
            : TinCreationSimplificationPointSet(borderSimplificationMaxDistancePerZoom,
                                                borderSimplificationMaxLengthPerZoom,
                                                minFeaturePolylineSize)
            , m_retainPercentagePerZoom(retainPercentagePerZoom)
            , m_radiusPerZoom(radiusPerZoom)
            , m_iterNumber(iterNumber)
    {
        setParamsForZoomConcreteStrategy(0);
    }

    std::vector<Point_3> simplify(const std::vector<Point_3>& pts);

    void setParamsForZoomConcreteStrategy(const unsigned int& zoom) {
        m_retainPercentage = standardHandlingOfThresholdPerZoom(m_retainPercentagePerZoom, zoom, false);
        m_radius = standardHandlingOfThresholdPerZoom(m_radiusPerZoom, zoom);
    }

private:
    // --- Attributes ---
    double m_retainPercentage;
    double m_radius;
    unsigned int m_iterNumber;
    std::vector<double> m_retainPercentagePerZoom; // percentage of points to retain.
    std::vector<double> m_radiusPerZoom; // neighbors size.
};

} // End namespace TinCreation

#endif //EMODNET_QMGC_TIN_CREATION_SIMPLIFICATION_POINT_SET_WLOP_H