Commit 5368d6a

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refactor

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-20

lines changed

src/Sandwych.MapMatchingKit
- Markov
  - AbstractFilter.cs
- Matching
  - Matcher.cs

2 files changed

+10

-20

lines changed

`‎src/Sandwych.MapMatchingKit/Markov/AbstractFilter.cs‎`

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -102,7 +102,7 @@ public abstract class AbstractFilter<TCandidate, TTransition, TSample> :`
`102`	`102`	`/// <param name="previous">Previous measurement sample <i>z<sub>t-1</sub></i>.</param>`
`103`	`103`	`/// <param name="sample">Measurement sample <i>z<sub>t</sub></i>.</param>`
`104`	`104`	`/// <returns>State vector <i>S<sub>t</sub></i>, which may be empty if an HMM break occured.</returns>`
`105`		`- public ISet<TCandidate> Execute(IEnumerable<TCandidate> predecessors, in TSample previous, in TSample sample)`
	`105`	`+ public virtualISet<TCandidate> Execute(IEnumerable<TCandidate> predecessors, in TSample previous, in TSample sample)`
`106`	`106`	`{`
`107`	`107`	`if (predecessors == null)`
`108`	`108`	`{`

`‎src/Sandwych.MapMatchingKit/Matching/Matcher.cs‎`

Lines changed: 9 additions & 19 deletions

Original file line number	Diff line number	Diff line change
`@@ -42,29 +42,19 @@ public Matcher(RoadMap map, IGraphRouter<Road, RoadPoint> router, Func<Road, dou`
`42`	`42`	`}`
`43`	`43`
`44`	`44`	`/// <summary>`
`45`		`- /// Gets standard deviation in meters of gaussian distribution that defines emission probabilities.`
`46`		`- /// </summary>`
`47`		`- /// <returns>Standard deviation in meters of gaussian distribution that defines emission probabilities.</returns>`
`48`		`- public double GetSigma()`
`49`		`- {`
`50`		`- return Math.Sqrt(this._sig2);`
`51`		`- }`
`52`		`-`
`53`		`-`
`54`		`- /// <summary>`
`55`		`- /// Sets standard deviation in meters of gaussian distribution for defining emission`
	`45`	`+ /// Gets or sets standard deviation in meters of gaussian distribution for defining emission`
`56`	`46`	`/// probabilities (default is 5 meters).`
`57`	`47`	`/// </summary>`
`58`		`- /// <param name="sigma">Standard deviation in meters of gaussian distribution for defining emission`
`59`		`- /// probabilities (default is 5 meters).`
`60`		`- /// </param>`
`61`		`- public void SetSigma(double sigma)`
	`48`	`+ public double Sigma`
`62`	`49`	`{`
`63`		`- this._sig2 = Math.Pow(sigma, 2);`
`64`		`- this._sqrt_2pi_sig2 = Math.Sqrt(2d * Math.PI * _sig2);`
	`50`	`+ get => Math.Sqrt(this._sig2);`
	`51`	`+ set`
	`52`	`+ {`
	`53`	`+ this._sig2 = Math.Pow(value, 2);`
	`54`	`+ this._sqrt_2pi_sig2 = Math.Sqrt(2d * Math.PI * _sig2);`
	`55`	`+ }`
`65`	`56`	`}`
`66`	`57`
`67`		`-`
`68`	`58`	`/// <summary>`
`69`	`59`	`/// <para>`
`70`	`60`	`/// Get or sets lambda parameter of negative exponential distribution defining transition probabilities`
`@@ -103,7 +93,7 @@ public override (MatcherCandidate, double)[] Candidates(`
`103`	`93`	`{`
`104`	`94`	`var pointExisted = map.TryGetValue(predecessor.RoadPoint.Edge.Id, out var point);`
`105`	`95`	`if (pointExisted && point.Edge != null`
`106`		`- && _spatial.Distance(point.Coordinate, predecessor.RoadPoint.Coordinate) < this.GetSigma()`
	`96`	`+ && _spatial.Distance(point.Coordinate, predecessor.RoadPoint.Coordinate) < this.Sigma`
`107`	`97`	`&& ((point.Edge.Headeing == Heading.Forward`
`108`	`98`	`&& point.Fraction < predecessor.RoadPoint.Fraction)`
`109`	`99`	`\|\| (point.Edge.Headeing == Heading.Backward`

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Commit 5368d6a

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2 files changed

`‎src/Sandwych.MapMatchingKit/Markov/AbstractFilter.cs‎`

`‎src/Sandwych.MapMatchingKit/Matching/Matcher.cs‎`

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