def dx_project_points_orthographic(points_in_camera: Tensor) -> Tensor:
    r"""Compute the derivative of the x projection with respect to the x coordinate.

    .. math::
        \frac{\partial u}{\partial x} = 1

    Args:
        points_in_camera: Tensor representing the points to project.

    Returns:
        Tensor representing the derivative of the x projection with respect to the x coordinate.

    Example:
        >>> points = torch.tensor([1., 2., 3.])
        >>> dx_project_points_orthographic(points)
        tensor([1.])

    """
    KORNIA_CHECK_SHAPE(points_in_camera, ["*", "3"])
    return ops.ones_like(points_in_camera[..., 0:1])
Compute the derivative of the x projection with respect to the x coordinate.

    .. math::
        \frac{\partial u}{\partial x} = 1

    Args:
        points_in_camera: Tensor representing the points to project.

    Returns:
        Tensor representing the derivative of the x projection with respect to the x coordinate.

    Example:
        >>> points = torch.tensor([1., 2., 3.])
        >>> dx_project_points_orthographic(points)
        tensor([1.])

    
kornia/geometry/camera/projection_orthographic.py