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Merge pull request #34 from boostcamp-2020/feature/kmeans/initialize-…
…centroids KMeans 중심값 생성 함수 추가 및 코드 리팩토링
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Project17-C-Map/InteractiveClusteringMap/Clustering/KMeans/Degree.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| // | ||
| // Degree.swift | ||
| // InteractiveClusteringMap | ||
| // | ||
| // Created by Seungeon Kim on 2020/11/27. | ||
| // | ||
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| import Foundation | ||
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| enum Degree { | ||
| static let right = 90.0 | ||
| static let straight = 180.0 | ||
| static let turn = 360.0 | ||
| } |
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57 changes: 55 additions & 2 deletions
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...veClusteringMap/VO/KMeansClustering.swift → ...steringMap/Clustering/KMeans/KMeans.swift
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Project17-C-Map/InteractiveClusteringMap/Clustering/KMeans/Quadrant.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| // | ||
| // Quadrant.swift | ||
| // InteractiveClusteringMap | ||
| // | ||
| // Created by Seungeon Kim on 2020/11/27. | ||
| // | ||
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| import Foundation | ||
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| enum Quadrant: Int { | ||
| case first = 0, second = 1, third = 2, fourth = 3 | ||
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| static func findQuadrant(angle: Double) -> Quadrant { | ||
| guard angle != .zero else { return Quadrant.first } | ||
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| let number = Int(angle / Degree.right) | ||
| if angle.truncatingRemainder(dividingBy: Degree.right) == 0 { | ||
| return Quadrant(rawValue: number - 1) ?? Quadrant.first | ||
| } else { | ||
| return Quadrant(rawValue: number) ?? Quadrant.first | ||
| } | ||
| } | ||
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| func theta(angle: Double) -> Double { | ||
| if self == .first || self == .third { | ||
| return Degree.right - angle | ||
| } else { | ||
| return angle | ||
| } | ||
| } | ||
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| func degree(center: Coordinate, boundary: Coordinate) -> Coordinate { | ||
| switch self { | ||
| case .first: | ||
| return Coordinate(x: center.x + boundary.x, y: center.y) | ||
| case .second: | ||
| return Coordinate(x: center.x, y: center.y - boundary.y) | ||
| case .third: | ||
| return Coordinate(x: center.x - boundary.x, y: center.y) | ||
| case .fourth: | ||
| return Coordinate(x: center.x, y: center.y + boundary.y) | ||
| } | ||
| } | ||
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| func convertToCoordinate(center: Coordinate, distance: Coordinate) -> Coordinate { | ||
| switch self { | ||
| case .first: | ||
| return Coordinate(x: center.x + distance.x, y: center.y + distance.y) | ||
| case .second: | ||
| return Coordinate(x: center.x + distance.x, y: center.y - distance.y) | ||
| case .third: | ||
| return Coordinate(x: center.x - distance.x, y: center.y - distance.y) | ||
| case .fourth: | ||
| return Coordinate(x: center.x - distance.x, y: center.y + distance.y) | ||
| } | ||
| } | ||
| } |
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