Program Listing for File point_cloud_xyzi.hpp
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#ifndef DEPTH_IMAGE_PROC__POINT_CLOUD_XYZI_HPP_
#define DEPTH_IMAGE_PROC__POINT_CLOUD_XYZI_HPP_
#include <memory>
#include <mutex>
#include "depth_image_proc/visibility.h"
#include "image_geometry/pinhole_camera_model.hpp"
#include "message_filters/subscriber.h"
#include "message_filters/sync_policies/approximate_time.h"
#include "message_filters/synchronizer.h"
#include <image_transport/subscriber_filter.hpp>
#include <rclcpp/rclcpp.hpp>
#include <sensor_msgs/msg/camera_info.hpp>
#include <sensor_msgs/msg/image.hpp>
#include <sensor_msgs/msg/point_cloud2.hpp>
namespace depth_image_proc
{
namespace enc = sensor_msgs::image_encodings;
class PointCloudXyziNode : public rclcpp::Node
{
public:
DEPTH_IMAGE_PROC_PUBLIC PointCloudXyziNode(const rclcpp::NodeOptions & options);
private:
using Image = sensor_msgs::msg::Image;
using CameraInfo = sensor_msgs::msg::CameraInfo;
using PointCloud = sensor_msgs::msg::PointCloud2;
// Subscriptions
image_transport::SubscriberFilter sub_depth_, sub_intensity_;
message_filters::Subscriber<CameraInfo> sub_info_;
using SyncPolicy =
message_filters::sync_policies::ApproximateTime<Image, Image, CameraInfo>;
using Synchronizer = message_filters::Synchronizer<SyncPolicy>;
std::shared_ptr<Synchronizer> sync_;
// parameters
float invalid_depth_;
// Publications
std::mutex connect_mutex_;
rclcpp::Publisher<PointCloud>::SharedPtr pub_point_cloud_;
image_geometry::PinholeCameraModel model_;
void imageCb(
const Image::ConstSharedPtr & depth_msg,
const Image::ConstSharedPtr & intensity_msg,
const CameraInfo::ConstSharedPtr & info_msg);
};
} // namespace depth_image_proc
#endif // DEPTH_IMAGE_PROC__POINT_CLOUD_XYZI_HPP_