> ## 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.

# Single Direction Streamlines

> AI context for Single Direction Streamlines. Not linked in navigation.

> This page is for AI assistant context only. To use this package, visit [community.ntop.com](https://community.ntop.com/packages/DaveMakesStuff/single-direction-streamlines).

> **Community submission — not verified by nTop.** This package was submitted by an outside community member and has not been reviewed or verified by nTop. Treat its accuracy, safety, and compatibility claims with appropriate caution.

## Summary

Create streamlines in one direction by trimming at seed points

## Package Details

| Field            | Value                                                                                                   |
| ---------------- | ------------------------------------------------------------------------------------------------------- |
| **ID**           | `single-direction-streamlines`                                                                          |
| **Type**         | Block                                                                                                   |
| **Author**       | DaveMakesStuff                                                                                          |
| **Version**      | 0.1.0                                                                                                   |
| **nTop Version** | 5.47                                                                                                    |
| **Domain**       | Simulation                                                                                              |
| **Application**  | streamlines                                                                                             |
| **Complexity**   | Intermediate                                                                                            |
| **Tags**         | `streamline`, `seed points`, `vector field`, `domain`, `simulation`, `terminal speed`, `curves`, `trim` |
| **License**      | MIT                                                                                                     |
| **Verified**     | No                                                                                                      |

***

Create streamlines in one direction by trimming at seed points.

## Installation

Clone this repo or copy the package folder into your nTop workspace:

```bash theme={null}
git clone https://github.com/nTopology/Utilities.git
```

The package lives at `packages/DaveMakesStuff/single-direction-streamlines/`.

## Usage

1. Open the provided `.ntop` file in nTop 5.47.
2. Input vector field, domain and seed points
3. Tune parameters. Export via the standard nTop exporters.

## Inputs & outputs

| Name                  | Type          | Notes                                            |
| --------------------- | ------------- | ------------------------------------------------ |
| `Vector Field`        | Vector Field  | Vector field to apply to streamlines             |
| `Domain`              | Implicit Body | Domain for streamline generation                 |
| `Tolerance`           | Scalar Value  | Optional input for generating streamlines        |
| `Terminal Speed`      | Scalar Value  | Optional input for generating streamlines        |
| `Invert`              | Bool          | Option to return opposite section of streamlines |
| `Trimmed Streamlines` | Curves        | Main result                                      |

## License

MIT.

***

## Source

[https://community.ntop.com/packages/DaveMakesStuff/single-direction-streamlines](https://community.ntop.com/packages/DaveMakesStuff/single-direction-streamlines)