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sukhitashvili/resize_coords.pu

Created January 13, 2023 13:30
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  1. sukhitashvili created this gist Jan 13, 2023.
    14 changes: 14 additions & 0 deletions resize_coords.pu
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    Original file line number Diff line number Diff line change
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    def resize_coordinates(coords: np.ndarray, old_size: tuple, new_size: tuple):
    """
    :param coords: coordinates as numpy array of shape (N, 2) [x, y] format
    :param old_size: old size as (width, height)
    :param new_size: new size as (width, height)
    :return: resized coordinates as numpy array of shape (N, 2)
    """
    # Calculate the scale factor
    scale_factor = np.array(new_size) / np.array(old_size)

    # Scale the coordinates
    coords = np.round(coords.reshape(-1, 2) * scale_factor).astype(int)

    return coords