CGAL::Classification::Feature::Echo_scatter< GeomTraits, PointRange, PointMap, EchoMap > Class Template Reference

#include <CGAL/Classification/Feature/Echo_scatter.h>

Inherits from

CGAL::Classification::Feature_base.

Definition

template<typename GeomTraits, typename PointRange, typename PointMap, typename EchoMap>
class CGAL::Classification::Feature::Echo_scatter< GeomTraits, PointRange, PointMap, EchoMap >

Feature based on echo scatter.

The number of returns (echo number) is a useful information provided by most LIDAR sensors. It can help to identify trees.

Its default name is "echo_scatter".

Template Parameters

GeomTraits	model of CGAL Kernel.
PointRange	model of ConstRange. Its iterator type is RandomAccessIterator and its value type is the key type of PointMap.
PointMap	model of ReadablePropertyMap whose key type is the value type of the iterator of PointRange and value type is GeomTraits::Point_3.
EchoMap	model of ReadablePropertyMap whose key type is the value type of the iterator of PointRange and value type is std::size_t.

Public Types
using	Grid = Classification::Planimetric_grid< GeomTraits, PointRange, PointMap >

Public Member Functions
	Echo_scatter (const PointRange &input, EchoMap echo_map, const Grid &grid, float radius_neighbors=1.)
	constructs the feature.
Public Member Functions inherited from CGAL::Classification::Feature_base
const std::string &	name () const
	returns the name of the feature (initialized to abstract_feature for Feature_base).
void	set_name (const std::string &name)
	changes the name of the feature.
virtual float	value (std::size_t index)=0
	returns the value taken by the feature for at the item for the item at position index.

Constructor & Destructor Documentation

Echo_scatter()

template<typename GeomTraits , typename PointRange , typename PointMap , typename EchoMap >

CGAL::Classification::Feature::Echo_scatter< GeomTraits, PointRange, PointMap, EchoMap >::Echo_scatter	(	const PointRange &	input,
		EchoMap	echo_map,
		const Grid &	grid,
		float	radius_neighbors = 1.
	)

constructs the feature.

Parameters

input	point range.
echo_map	property map to access the echo values of the input points.
grid	precomputed Planimetric_grid.
radius_neighbors	radius of local neighborhoods.