Sematic-Cartographer/cartographer-master/cartographer/io/xray_points_processor.h

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/*
* Copyright 2016 The Cartographer Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef CARTOGRAPHER_IO_XRAY_POINTS_PROCESSOR_H_
#define CARTOGRAPHER_IO_XRAY_POINTS_PROCESSOR_H_
#include <map>
#include "Eigen/Core"
#include "cartographer/common/lua_parameter_dictionary.h"
#include "cartographer/io/file_writer.h"
#include "cartographer/io/points_processor.h"
#include "cartographer/mapping/3d/hybrid_grid.h"
#include "cartographer/mapping/detect_floors.h"
#include "cartographer/mapping/proto/trajectory.pb.h"
#include "cartographer/transform/rigid_transform.h"
namespace cartographer {
namespace io {
// Creates X-ray cuts through the points with pixels being 'voxel_size' big.
class XRayPointsProcessor : public PointsProcessor {
public:
constexpr static const char* kConfigurationFileActionName =
"write_xray_image";
enum class DrawTrajectories { kNo, kYes };
XRayPointsProcessor(
double voxel_size, double saturation_factor,
const transform::Rigid3f& transform,
const std::vector<mapping::Floor>& floors,
const DrawTrajectories& draw_trajectories,
const std::string& output_filename,
const std::vector<mapping::proto::Trajectory>& trajectories,
FileWriterFactory file_writer_factory, PointsProcessor* next);
static std::unique_ptr<XRayPointsProcessor> FromDictionary(
const std::vector<mapping::proto::Trajectory>& trajectories,
FileWriterFactory file_writer_factory,
common::LuaParameterDictionary* dictionary, PointsProcessor* next);
~XRayPointsProcessor() override {}
void Process(std::unique_ptr<PointsBatch> batch) override;
FlushResult Flush() override;
Eigen::AlignedBox3i bounding_box() const { return bounding_box_; }
private:
struct ColumnData {
float sum_r = 0.;
float sum_g = 0.;
float sum_b = 0.;
uint32_t count = 0;
};
struct Aggregation {
mapping::HybridGridBase<bool> voxels;
std::map<std::pair<int, int>, ColumnData> column_data;
};
void WriteVoxels(const Aggregation& aggregation,
FileWriter* const file_writer);
void Insert(const PointsBatch& batch, Aggregation* aggregation);
const DrawTrajectories draw_trajectories_;
const std::vector<mapping::proto::Trajectory> trajectories_;
FileWriterFactory file_writer_factory_;
PointsProcessor* const next_;
// If empty, we do not separate into floors.
std::vector<mapping::Floor> floors_;
const std::string output_filename_;
const transform::Rigid3f transform_;
// Only has one entry if we do not separate into floors.
std::vector<Aggregation> aggregations_;
// Bounding box containing all cells with data in all 'aggregations_'.
Eigen::AlignedBox3i bounding_box_;
// Scale the saturation of the point color. If saturation_factor_ > 1, the
// point has darker color, otherwise it has lighter color.
const double saturation_factor_;
};
} // namespace io
} // namespace cartographer
#endif // CARTOGRAPHER_IO_XRAY_POINTS_PROCESSOR_H_