DMatch (OpenCV 4.1.2 Java documentation)

```
public class DMatch
extends Object
```
Structure for matching: query descriptor index, train descriptor index, train image index and distance between descriptors.

Fields
Modifier and Type	Field and Description
`float`	`distance`
`int`	`imgIdx` Train image index.
`int`	`queryIdx` Query descriptor index.
`int`	`trainIdx` Train descriptor index.

Constructors
Constructor and Description
`DMatch()`
`DMatch(int _queryIdx, int _trainIdx, float _distance)`
`DMatch(int _queryIdx, int _trainIdx, int _imgIdx, float _distance)`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`lessThan(DMatch it)`
`String`	`toString()`

public DMatch(int _queryIdx,
              int _trainIdx,
              float _distance)

public DMatch(int _queryIdx,
              int _trainIdx,
              int _imgIdx,
              float _distance)

Class DMatch