# line

Python API: `depthai_nodes.message.creators.line`

## Functions

### create_line_detection_message

```python
def create_line_detection_message(lines: np.ndarray, scores: np.ndarray) -> dai.beta.Lines:
```

Create a DepthAI message for a line detection.

Parameters

 * `lines` (`np.ndarray`): Detected lines of shape (N,4) meaning [...,[x_start, y_start, x_end, y_end],...].
 * `scores` (`np.ndarray`): Confidence scores of detected lines of shape (N,).

Returns

 * `dai.beta.Lines`: Message containing the lines and confidence scores of detected lines.

Raises

 * `ValueError`: If the lines are not a numpy array. If the lines are not of shape (N,4). If the lines 2nd dimension is not of
   size 4. If the scores are not a numpy array. If the scores are not of shape (N,). If the scores do not have the same length as
   lines.