Python 3.13.13 | packaged by Anaconda, Inc. | (main, Apr 14 2026, 06:19:41) [GCC 14.3.0] on linux
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import numpy as np
np.zeros((10,10,3), dtype=np.uint8)

# https://numpy.org/devdocs//reference/generated/numpy.zeros.html
test = np.zeros((10,10,3), dtype=np.uint8)
print(test)

test

cerceve = np.zeros((10,10,3), dtype=np.uint8)
cerceve[:, :100] = [255, 0, 0] # Blue = B  = 255; Green = G = 0; Red = R = 0
cerceve = np.zeros((300,300,3), dtype=np.uint8)
cerceve[:, :100] = [255, 0, 0] # Blue = B  = 255; Green = G = 0; Red = R = 0
cerceve[:, 100:200] = [0, 255, 0] # Blue = B  = 0; Green = G = 255; Red = R = 0
cerceve[:, 200:300] = [0, 0, 255] # Blue = B  = 0; Green = G = 0; Red = R = 255
import cv2
import sys
import os
os.getcwd()
'/home/rootx/Desktop/KTU/Dersler/EHM4011 Goruntu Isleme/code'
cv2.imwrite("test_bant.png", cerceve)
True
cerceve = np.zeros((300,300,3), dtype=np.uint8)
cv2.imwrite("test_bant.png", cerceve)
True
Blue = [255, 0, 0]
Green =  [0, 255, 0]
Red = [0, 0, 255]
cerceve = np.zeros((300,300,3), dtype=np.uint8)
cerceve[:, :100] = Blue
cerceve[:, 100:200] = Green
cerceve[:, 200:300] = Red
cv2.imwrite("test_bant.png", cerceve)
True
olcu = 300
cerceve = np.zeros((olcu,olcu,3), dtype=np.uint8)
4/3
1.3333333333333333
round(4/3)
1
cerceve[:, :round(olcu/3)] = Blue
cerceve[:, round(olcu/3) : round(2*olcu/3)] = Blue
cerceve[:, round(2*olcu/3) : olcu] = Blue
cv2.imwrite("test_bant.png", cerceve)
True
cerceve[:, round(olcu/3) : round(2*olcu/3)] = Red
cerceve[:, round(2*olcu/3) : olcu] = Green
cv2.imwrite("test_bant.png", cerceve)
True
def SeritCiz(olcu):
    cerceve = np.zeros((olcu,olcu,3), dtype=np.uint8)
    cerceve[:, :round(olcu/3)] = Blue
    cerceve[:, round(2*olcu/3) : olcu] = Green
    cerceve[:, round(olcu/3) : round(2*olcu/3)] = Red
    cv2.imwrite("test_bant.png", cerceve)

SeritCiz(600)
SeritCiz(3)
SeritCiz(50)
def SeritCiz4(olcu):
    cerceve = np.zeros((olcu,olcu,3), dtype=np.uint8)
    cerceve[:, 0 :round(olcu/4)] = Blue
    cerceve[:, round(1*olcu/4) : round(2*olcu/4)] = Green
    cerceve[:, round(2*olcu/4) : round(3*olcu/4)] = Red
    cerceve[:, round(3*olcu/4) : round(olcu)] = Blue
    cv2.imwrite("test_bant.png", cerceve)

SeritCiz4(505)
SeritCiz(505)
def Quiz(olcu, boyut=3):
    if boyut == 3:
        SeritCiz(olcu)
    elif boyut  == 4:
        SeritCiz4(olcu)

Quiz(500, 3)
Quiz(250, 4)