occupancy_map_updater.h

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/* Author: Ioan Sucan, Jon Binney */

#ifndef MOVEIT_OCCUPANCY_MAP_MONITOR_OCCUPANCY_MAP_UPDATER_
#define MOVEIT_OCCUPANCY_MAP_MONITOR_OCCUPANCY_MAP_UPDATER_

#include <moveit/occupancy_map_monitor/occupancy_map.h>
#include <geometric_shapes/shapes.h>
#include <boost/shared_ptr.hpp>
#include <Eigen/Core>
#include <Eigen/Geometry>

namespace occupancy_map_monitor
{

typedef unsigned int ShapeHandle;
typedef std::map<ShapeHandle, Eigen::Affine3d, std::less<ShapeHandle>,
                 Eigen::aligned_allocator<std::pair<const ShapeHandle, Eigen::Affine3d> > > ShapeTransformCache;
typedef boost::function<bool(const std::string &target_frame, const ros::Time &target_time, ShapeTransformCache &cache)> TransformCacheProvider;

class OccupancyMapMonitor;

class OccupancyMapUpdater
{
public:

  OccupancyMapUpdater(const std::string &type);
  virtual ~OccupancyMapUpdater();

  void setMonitor(OccupancyMapMonitor *monitor);

  virtual bool setParams(XmlRpc::XmlRpcValue &params) = 0;

  virtual bool initialize() = 0;

  virtual void start() = 0;

  virtual void stop() = 0;

  virtual ShapeHandle excludeShape(const shapes::ShapeConstPtr &shape) = 0;

  virtual void forgetShape(ShapeHandle handle) = 0;

  const std::string& getType() const
  {
    return type_;
  }

  void setTransformCacheCallback(const TransformCacheProvider &transform_callback)
  {
    transform_provider_callback_ = transform_callback;
  }

  void publishDebugInformation(bool flag)
  {
    debug_info_ = flag;
  }

protected:

  OccupancyMapMonitor *monitor_;
  std::string type_;
  OccMapTreePtr tree_;
  TransformCacheProvider transform_provider_callback_;
  ShapeTransformCache transform_cache_;
  bool debug_info_;

  bool updateTransformCache(const std::string &target_frame, const ros::Time &target_time);

  static void readXmlParam(XmlRpc::XmlRpcValue &params, const std::string &param_name, double *value);
  static void readXmlParam(XmlRpc::XmlRpcValue &params, const std::string &param_name, unsigned int *value);

};

typedef boost::shared_ptr<OccupancyMapUpdater> OccupancyMapUpdaterPtr;
typedef boost::shared_ptr<const OccupancyMapUpdater> OccupancyMapUpdaterConstPtr;

}

#endif