Class CubeHelix

Inheritance
Object
CubeHelix
Inherited Members
Namespace: TowseyLibrary
Assembly: TowseyLibrary.dll
Syntax
public class CubeHelix

Constructors

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CubeHelix(Hsl, Hsl, Double)

Declaration
public CubeHelix(Hsl colorA, Hsl colorB, double gamma = 1)
Parameters
Type Name Description
SixLabors.ImageSharp.ColorSpaces.Hsl colorA
SixLabors.ImageSharp.ColorSpaces.Hsl colorB
Double gamma
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CubeHelix(String)

Declaration
public CubeHelix(string mode)
Parameters
Type Name Description
String mode

Fields

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ColourPallette

Declaration
public Color[] ColourPallette
Field Value
Type Description
SixLabors.ImageSharp.Color[]
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MaxPalletteIndex

Declaration
public int MaxPalletteIndex
Field Value
Type Description
Int32
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maxPalletteSize

Declaration
public const int maxPalletteSize = 256
Field Value
Type Description
Int32

Properties

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Gamma

Declaration
public double Gamma { get; }
Property Value
Type Description
Double

Methods

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DrawMatrixWithoutNormalisation(Double[,])

Draws matrix without normalising the values in the matrix. Assumes some form of normalisation already done.

Declaration
public Image<Rgb24> DrawMatrixWithoutNormalisation(double[, ] matrix)
Parameters
Type Name Description
Double[,] matrix

the data.
Returns
Type Description
SixLabors.ImageSharp.Image<SixLabors.ImageSharp.PixelFormats.Rgb24>
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DrawTestImage()

Draws a Cube Helix test image.

Declaration
public static void DrawTestImage()
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GetColor(Double)

Declaration
public Rgb GetColor(double unitValue)
Parameters
Type Name Description
Double unitValue
Returns
Type Description
SixLabors.ImageSharp.ColorSpaces.Rgb
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GetColorFromPallette(Double)

Draws matrix without normalising the values in the matrix. Assumes some form of normalisation already done.

Declaration
public Color GetColorFromPallette(double value)
Parameters
Type Name Description
Double value
Returns
Type Description
SixLabors.ImageSharp.Color
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GetColorFromPallette(Int32)

Draws matrix without normalising the values in the matrix. Assumes some form of normalisation already done.

Declaration
public Color GetColorFromPallette(int colourID)
Parameters
Type Name Description
Int32 colourID
Returns
Type Description
SixLabors.ImageSharp.Color
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GetColorID(Double)

Draws matrix without normalising the values in the matrix. Assumes some form of normalisation already done.

Declaration
public int GetColorID(double value)
Parameters
Type Name Description
Double value
Returns
Type Description
Int32
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GetCubeHelix()

This HSL values in this method have been set specially for use with the high-resolution zooming spectrograms. There are limits to the values that can be used. The purpose for chaning the default values was to increase the colour saturation.

Declaration
public static CubeHelix GetCubeHelix()
Returns
Type Description
CubeHelix
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SetCyanScalePallette()

used for drawing the background noise in zooming spectrograms.

Declaration
public void SetCyanScalePallette()
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SetDefaultCubeHelix()

Declaration
public void SetDefaultCubeHelix()
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SetRedScalePallette()

used for drawing the background noise in zooming spectrograms.

Declaration
public void SetRedScalePallette()
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TestImage(String)

Declaration
public void TestImage(string path)
Parameters
Type Name Description
String path

Extension Methods