---
title: "Interface INormalSource | Customer's Canvas On-Premises"
canonical: "https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.ImageProcessing.LineWidthMeasuring.Normals/INormalSource/"
---

# Interface INormalSource

> `System.Collections.Generic.IEnumerable<Aurigma.DesignAtoms.ImageProcessing.LineWidthMeasuring.Math.LocatedVectorF>`

###### **Namespace**: [Aurigma.DesignAtoms.ImageProcessing.LineWidthMeasuring.Normals](https://customerscanvas.com/docs/on-premises/design-atoms-cs/reference/api/Aurigma.DesignAtoms.ImageProcessing.LineWidthMeasuring.Normals.md)

###### **Assembly**: Aurigma.DesignAtoms.ImageProcessing.dll

```csharp title="Syntax"
public interface INormalSource
```

## Methods

### GetNormals

```csharp
IEnumerable<LocatedVectorF> GetNormals()
```

##### Returns