import cv2
import numpy as np

trackbarWindowName = 'trackbar window'

def on_trackbar(x):
    pass

def createTrackbars():
    cv2.namedWindow(trackbarWindowName, cv2.WINDOW_NORMAL)

    cv2.createTrackbar('trackbar_1', trackbarWindowName, 0, 255, on_trackbar)
    cv2.createTrackbar('trackbar_2', trackbarWindowName, 0, 255, on_trackbar)
    cv2.createTrackbar('trackbar_3', trackbarWindowName, 0, 255, on_trackbar)
    cv2.createTrackbar('trackbar_4', trackbarWindowName, 0, 255, on_trackbar)
    cv2.createTrackbar('trackbar_5', trackbarWindowName, 0, 255, on_trackbar)
    cv2.createTrackbar('trackbar_6', trackbarWindowName, 0, 255, on_trackbar)

createTrackbars()
cv2.waitKey(0)