Evaluation of Latent Friction Ridge Technology
API for participating in NIST's evaluation of latent friction ridge identification algorithms.
Public Member Functions | Public Attributes | List of all members
ELFT::Delta Struct Reference

Singular point of ridge divergence. More...

#include <elft.h>

Public Member Functions

 Delta (const Coordinate &coordinate={}, const std::optional< std::tuple< std::optional< uint16_t >, std::optional< uint16_t >, std::optional< uint16_t > > > &direction={})
 Delta constructor. More...
 

Public Attributes

Coordinate coordinate {}
 Location of the feature. More...
 
std::optional< std::tuple< std::optional< uint16_t >, std::optional< uint16_t >, std::optional< uint16_t > > > direction {}
 Ridge directions of the feature (typically up, left, and right), in degrees [0,359] counterclockwise to the right, following conventions from ANSI/NIST-ITL 1-2011 (2015) Field 9.321. More...
 

Detailed Description

Singular point of ridge divergence.

Definition at line 421 of file elft.h.

Constructor & Destructor Documentation

◆ Delta()

ELFT::Delta::Delta ( const Coordinate coordinate = {},
const std::optional< std::tuple< std::optional< uint16_t >, std::optional< uint16_t >, std::optional< uint16_t > > > &  direction = {} 
)

Delta constructor.

Parameters
coordinateLocation of the feature.
directionRidge directions of the feature (typically up, left, and right), in degrees [0,359] counterclockwise to the right, following conventions from ANSI/NIST-ITL 1-2011 (2015) Field 9.321.

Definition at line 248 of file libelft.cpp.

Member Data Documentation

◆ coordinate

Coordinate ELFT::Delta::coordinate {}

Location of the feature.

Definition at line 424 of file elft.h.

◆ direction

std::optional<std::tuple<std::optional<uint16_t>, std::optional<uint16_t>, std::optional<uint16_t> > > ELFT::Delta::direction {}

Ridge directions of the feature (typically up, left, and right), in degrees [0,359] counterclockwise to the right, following conventions from ANSI/NIST-ITL 1-2011 (2015) Field 9.321.

Definition at line 433 of file elft.h.


The documentation for this struct was generated from the following files: