cartographer/cartographer/sensor/point_cloud.h

67 lines
2.4 KiB
C++

/*
* 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_SENSOR_POINT_CLOUD_H_
#define CARTOGRAPHER_SENSOR_POINT_CLOUD_H_
#include <vector>
#include "Eigen/Core"
#include "cartographer/sensor/proto/sensor.pb.h"
#include "cartographer/transform/rigid_transform.h"
#include "glog/logging.h"
namespace cartographer {
namespace sensor {
// Stores 3D positions of points.
// For 2D points, the third entry is 0.f.
typedef std::vector<Eigen::Vector3f> PointCloud;
// Stores 3D positions of points with their measurement time in the fourth
// entry. Time is in seconds, increasing and relative to the moment when
// 'points[0]' was acquired. If timing is not available, all fourth entries
// are 0.f. For 2D points, the third entry is 0.f and the fourth entry is time.
typedef std::vector<Eigen::Vector4f> TimedPointCloud;
struct PointCloudWithIntensities {
TimedPointCloud points;
std::vector<float> intensities;
};
// Transforms 'point_cloud' according to 'transform'.
PointCloud TransformPointCloud(const PointCloud& point_cloud,
const transform::Rigid3f& transform);
// Transforms 'point_cloud' according to 'transform'.
TimedPointCloud TransformTimedPointCloud(const TimedPointCloud& point_cloud,
const transform::Rigid3f& transform);
// Returns a new point cloud without points that fall outside the region defined
// by 'min_z' and 'max_z'.
PointCloud CropPointCloud(const PointCloud& point_cloud, float min_z,
float max_z);
// Returns a new point cloud without points that fall outside the region defined
// by 'min_z' and 'max_z'.
TimedPointCloud CropTimedPointCloud(const TimedPointCloud& point_cloud,
float min_z, float max_z);
} // namespace sensor
} // namespace cartographer
#endif // CARTOGRAPHER_SENSOR_POINT_CLOUD_H_