> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ntop.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Angle between Vectors

<CardGroup cols={2}>
  <Card title="Vector, Vector" href="#vector-vector" />

  <Card title="Vector, Vector, 1.1.0" href="#vector-vector-110" />

  <Card title="Vector Field, Vector Field" href="#vector-field-vector-field" />

  <Card title="Vector Field, Vector Field, 1.1.0" href="#vector-field-vector-field-110" />

  <Card title="2D Vector Field, 2D Vector Field, 5.31.0" href="#2d-vector-field-2d-vector-field-5310" />
</CardGroup>

***

<h2 id="vector-vector">
  Vector, Vector
</h2>

Return an interior angle between two Vector directions.

### Inputs

| Name     | Type                                                   | Description                       |
| -------- | ------------------------------------------------------ | --------------------------------- |
| Vector a | [Vector](../../../../block-documentation/types/vector) | First vector to get angles from.  |
| Vector b | [Vector](../../../../block-documentation/types/vector) | Second vector to get angles from. |

### Outputs

| Type                                                   |
| ------------------------------------------------------ |
| [Scalar](../../../../block-documentation/types/scalar) |

***

<h2 id="vector-vector-110">
  Vector, Vector, 1.1.0
</h2>

Return an interior angle between two Vector directions.

### Inputs

| Name     | Type                                                   | Description                       |
| -------- | ------------------------------------------------------ | --------------------------------- |
| Vector a | [Vector](../../../../block-documentation/types/vector) | First vector to get angles from.  |
| Vector b | [Vector](../../../../block-documentation/types/vector) | Second vector to get angles from. |

### Outputs

| Type                                                   |
| ------------------------------------------------------ |
| [Scalar](../../../../block-documentation/types/scalar) |

***

<h2 id="vector-field-vector-field">
  Vector Field, Vector Field
</h2>

Return a Scalar Field of the interior angles between two Vector Fields.

### Inputs

| Name    | Type                                                               | Description                             |
| ------- | ------------------------------------------------------------------ | --------------------------------------- |
| Field a | [Vector Field](../../../../block-documentation/types/vector-field) | First vector field to get angles from.  |
| Field b | [Vector Field](../../../../block-documentation/types/vector-field) | Second vector field to get angles from. |

### Outputs

| Type                                                               |
| ------------------------------------------------------------------ |
| [Scalar Field](../../../../block-documentation/types/scalar-field) |

***

<h2 id="vector-field-vector-field-110">
  Vector Field, Vector Field, 1.1.0
</h2>

Return a Scalar Field of the interior angles between two Vector Fields.

### Inputs

| Name    | Type                                                               | Description                             |
| ------- | ------------------------------------------------------------------ | --------------------------------------- |
| Field a | [Vector Field](../../../../block-documentation/types/vector-field) | First vector field to get angles from.  |
| Field b | [Vector Field](../../../../block-documentation/types/vector-field) | Second vector field to get angles from. |

### Outputs

| Type                                                               |
| ------------------------------------------------------------------ |
| [Scalar Field](../../../../block-documentation/types/scalar-field) |

***

<h2 id="2d-vector-field-2d-vector-field-5310">
  2D Vector Field, 2D Vector Field, 5.31.0
</h2>

Return a Scalar Field of the signed angle between two 2D Vector Fields.

### Inputs

| Name    | Type                                                                     | Description                                |
| ------- | ------------------------------------------------------------------------ | ------------------------------------------ |
| Field a | [2D Vector Field](../../../../block-documentation/types/2d-vector-field) | First 2D vector field to get angles from.  |
| Field b | [2D Vector Field](../../../../block-documentation/types/2d-vector-field) | Second 2D vector field to get angles from. |

### Outputs

| Type                                                               |
| ------------------------------------------------------------------ |
| [Scalar Field](../../../../block-documentation/types/scalar-field) |