mrpt::obs::CSinCosLookUpTableFor2DScans Class Reference

Detailed Description

A smart look-up-table (LUT) of sin/cos values for 2D laser scans.

Refer to the main method CSinCosLookUpTableFor2DScans::getSinCosForScan()

This class is used in mrpt::maps::CPointsMap

Definition at line 27 of file obs/CSinCosLookUpTableFor2DScans.h.

#include <mrpt/obs/CSinCosLookUpTableFor2DScans.h>

Classes
struct	TSinCosValues
	A pair of vectors with the cos and sin values. More...

Public Member Functions
const TSinCosValues &	getSinCosForScan (const CObservation2DRangeScan &scan)
	Return two vectors with the cos and the sin of the angles for each of the rays in a scan, computing them only the first time and returning a cached copy the rest. More...

Private Attributes
std::map< T2DScanProperties, TSinCosValues >	m_cache
	The cache of known scans and their sin/cos tables. More...

Member Function Documentation

getSinCosForScan()

const TSinCosValues& mrpt::obs::CSinCosLookUpTableFor2DScans::getSinCosForScan

(

const CObservation2DRangeScan &

scan

)

Return two vectors with the cos and the sin of the angles for each of the rays in a scan, computing them only the first time and returning a cached copy the rest.

Usage:

CSinCosLookUpTableFor2DScans cache;
...
const CSinCosLookUpTableFor2DScans::TSinCosValues & sincos_vals = cache.getSinCosForScan( scan );

Member Data Documentation

m_cache

std::map<T2DScanProperties,TSinCosValues> mrpt::obs::CSinCosLookUpTableFor2DScans::m_cache

private

The cache of known scans and their sin/cos tables.

Definition at line 47 of file obs/CSinCosLookUpTableFor2DScans.h.