FilterDecimateAdaptive.h

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/* -------------------------------------------------------------------------
 *  A repertory of multi primitive-to-primitive (MP2P) ICP algorithms in C++
 * Copyright (C) 2018-2024 Jose Luis Blanco, University of Almeria
 * See LICENSE for license information.
 * ------------------------------------------------------------------------- */
#pragma once
 
#include <mp2p_icp/metricmap.h>
#include <mp2p_icp_filters/FilterBase.h>
#include <mp2p_icp_filters/PointCloudToVoxelGrid.h>
#include <mrpt/maps/CPointsMap.h>
 
namespace mp2p_icp_filters
{
class FilterDecimateAdaptive : public mp2p_icp_filters::FilterBase
{
    DEFINE_MRPT_OBJECT(FilterDecimateAdaptive, mp2p_icp_filters)
   public:
    FilterDecimateAdaptive();
 
    // See docs in base class.
    void initialize(const mrpt::containers::yaml& c) override;
 
    // See docs in FilterBase
    void filter(mp2p_icp::metric_map_t& inOut) const override;
 
    struct Parameters
    {
        void load_from_yaml(const mrpt::containers::yaml& c);
 
        bool enabled = true;
 
        std::string input_pointcloud_layer =
            mp2p_icp::metric_map_t::PT_LAYER_RAW;
 
        std::string output_pointcloud_layer;
 
        unsigned int desired_output_point_count = 1000;
 
        unsigned int minimum_input_points_per_voxel = 1;
 
        // These are used to automatically estimate the voxel size:
        double       assumed_minimum_pointcloud_bbox   = 10.0;  // [m]
        unsigned int maximum_voxel_count_per_dimension = 100;
    };
 
    Parameters params_;
 
   private:
    mutable PointCloudToVoxelGrid filter_grid_;
};
 
}  // namespace mp2p_icp_filters