# ColourConversions.SpectralLocus struct

Namespace: [Grasshopper2.Types.Colour](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.types.colour.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
public struct ColourConversions.SpectralLocus
```

Wavelength measure point for CIE Chromaticity diagrams.

## Constructors

- [ColourConversions.SpectralLocus](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.colour.colourconversions.spectrallocus/ctor.md): Create a new measure.

## Properties

- [Angle](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.colour.colourconversions.spectrallocus/angle.md): Gets the angle (in degrees) for this measure perpendicular direction.
- [Location](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.colour.colourconversions.spectrallocus/location.md): Location of measure.
- [Perpendicular](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.colour.colourconversions.spectrallocus/perpendicular.md): Gets the perpendicular point for this measure.
- [Value](https://developer.rhino3d.com/api/gh2/type/grasshopper2.types.colour.colourconversions.spectrallocus/value.md): Wavelength (in nanometres) of measure.