OPEN_WEBCAM

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Open a connection with the selected camera. Params: camera : Camera The camera to use. resolution : select Camera resolution. Choose from a few options. Returns: out : None

Python Code

import cv2
from flojoy import CameraDevice, flojoy, DataContainer
from flojoy.connection_manager import DeviceConnectionManager
from typing import Optional


@flojoy(deps={"opencv-python-headless": "4.8.1.78"})
def OPEN_WEBCAM(
    camera: CameraDevice,
    default: Optional[DataContainer] = None,
) -> Optional[DataContainer]:
    """Open a connection with the selected camera.

    Parameters
    ----------
    camera : Camera
        The camera to use.
    resolution : select
        Camera resolution. Choose from a few options.

    Returns
    -------
    None
    """

    if not camera:
        raise ValueError("No camera selected")

    cam = cv2.VideoCapture(camera.get_id())
    DeviceConnectionManager.register_connection(camera, cam)

    return None

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Example App

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Press enter or space to select a node.You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.

Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.

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In this example app, the CAMERA node takes and returns a picture from a camera connected to the computer.

The camera first has to be opened with the OPEN_CAMERA node, which requires you to select which camera to use.

The IMSHOW node displays the image taken by the camera that was selected.