All generations.
def to_gray(image):
# image is a 3d numpy array
(x, y, z) = image.shape
gray = np.zeros((x, y))
for i in range(x):
for j in range(y):
gray[i][j] = (image[i][j][0] + image[i][j][1] + image[i][j][2]) / 3
return gray
img = np.zeros((2, 2, 3)) # blue image, 2x2
to_gray(img)
def posterize(image, rgb_tuple):
"""
This function takes an RGB image and converts it to a posterized image.
"""
# Define your new image using a copy of the original image
new_image = image.copy()
# Define the RGB threshold values
red_threshold = rgb_tuple[0]
green_threshold = rgb_tuple[1]
blue_threshold = rgb_tuple[2]
# Use a nested for-loop to loop through the rows and columns of the image
for row in range(new_image.shape[0]):
for col in range(new_image.shape[1]):
# Use if statements to determine whether to assign 0 or 255 to each
# channel in the image
if new_image[row][col][0] < red_threshold:
new_image[row][col][0] = 0
else:
new_image[row][col][0] = 255
if new_image[row][col][1] <
def to_grayscale(image):
return np.dot(image[...,:3], [0.299, 0.587, 0.114])
to_grayscale()
import turtle
def drawCircle(t, x, y, radius):
t.penup()
t.goto(x, y)
t.pendown()
t.circle(radius)
t.penup()
t.goto(x, y)
t.pendown()
t.dot()
def main():
wn = turtle.Screen()
wn.bgcolor("white")
wn.title("Exercise 5.3")
alex = turtle.Turtle()
alex.color("green")
alex.pensize(2)
drawCircle(alex, 50, 75, 100)
wn.mainloop()
main()
def drawCircle(myTurtle, x, y, radius):
myTurtle.penup()
myTurtle.setposition(x,y)
myTurtle.pendown()
for i in range(120):
myTurtle.forward(2*3.14*radius/120)
myTurtle.right(3)
myTurtle.penup()
import turtle
def drawCircle(t, x, y, radius):
t.penup()
t.setpos(x, y - radius)
t.pendown()
t.circle(radius)
t.penup()
t.setpos(x, y - radius)
t.pendown()
t.stamp()
def main():
t = turtle.Turtle()
t.shape("turtle")
t.speed(0)
drawCircle(t, 50, 75, 100)
turtle.done()
main()
import turtle
def drawFractalLine(distance, angle, level):
if level == 0:
turtle.forward(distance)
else:
drawFractalLine(distance / 3, angle, level - 1)
turtle.left(angle)
drawFractalLine(distance / 3, angle, level - 1)
turtle.right(2 * angle)
drawFractalLine(distance / 3, angle, level - 1)
turtle.left(angle)
drawFractalLine(distance / 3, angle, level - 1)
def main():
turtle.left(90)
drawFractalLine(200, 60, 4)
turtle.right(120)
drawFractalLine(200, 60, 4)
turtle.right(120)
drawFractalLine(200, 60, 4)
turtle.done()
main()
def posterize(img, rgb):
return ImageOps.posterize(img, rgb)
def sharpen(image, radius, amount):
new_image = image.clone()
for y in range(image.getHeight()):
for x in range(image.getWidth()):
pixel = image.getPixel(x, y)
new_pixel = new_image.getPixel(x, y)
for i in range(3):
color = pixel.getColor()[i]
new_color = color * radius + (255 - radius) * (color / 255) * amount
new_color = int(new_color)
color_list = list(new_pixel.getColor())
color_list[i] = new_color
new_pixel.setColor(color_list)
return new_image
def posterize(image, rgb):
for p in getPixels(image):
setRed(p, rgb[0])
setGreen(p, rgb[1])
setBlue(p, rgb[2])
import turtle
def drawCircle(myTurtle, x, y, radius):
myTurtle.penup()
myTurtle.goto(x, y - radius)
myTurtle.pendown()
circumference = 2 * 3.14159265359 * radius
side_length = circumference / 120
turn_angle = 360 / 120
myTurtle.circle(radius, steps = 120)
myTurtle.penup()
myTurtle.goto(x, y)
myTurtle.pendown()
def main():
t = turtle.Turtle()
myWin = turtle.Screen()
t.speed(100)
drawCircle(t, 50, 75, 100)
myWin.exitonclick()
main()
import turtle
def drawCircle(t, x, y, radius):
t.goto(x, y)
t.setheading(90)
distance = 2.0 * math.pi * radius / 120.0
for i in range(120):
t.forward(distance)
t.left(3)
def main():
t = turtle.Turtle()
drawCircle(t, 50, 75, 100)
main()
import turtle
def drawCircle(t, x, y, r):
t.penup()
t.goto(x,y)
t.pendown()
r = r / 2
for i in range(120):
t.forward(2 * 3.14 * r / 120)
t.left(3)
def main():
t = turtle.Turtle()
t.shape("turtle")
t.speed(0)
drawCircle(t, 50, 75, 100)
main()
def sharpen(image, degree, threshold):
for x in range(image.getWidth()):
for y in range(image.getHeight()):
p = image.getPixel(x, y)
r = p.getRed()
g = p.getGreen()
b = p.getBlue()
sum = r+g+b
avg = sum/3
red = r + degree*(r-avg)
green = g + degree*(g-avg)
blue = b + degree*(b-avg)
newPixel = Pixel(red, green, blue)
image.setPixel(x, y, newPixel)
return image
def convertToGray(img):
# loop over each pixel
for r in range(img.shape[0]):
for c in range(img.shape[1]):
# get the avg of the r, g, b values
avg = int((img[r, c, 0] + img[r, c, 1] + img[r, c, 2])/3)
# set the pixel to the avg value
img[r, c] = [avg, avg, avg]
return img
def posterize(image, bwLevels):
for pixel in image.getPixels():
red = pixel.getRed()
green = pixel.getGreen()
blue = pixel.getBlue()
average = (red + green + blue) / 3
if average < bwLevels[0]:
newRed = bwLevels[0]
newGreen = bwLevels[0]
newBlue = bwLevels[0]
elif average < bwLevels[1]:
newRed = bwLevels[1]
newGreen = bwLevels[1]
newBlue = bwLevels[1]
elif average < bwLevels[2]:
newRed = bwLevels[2]
newGreen = bwLevels[2]
newBlue = bwLevels[2]
else:
newRed = 255
newGreen = 255
newBlue = 255
pixel.setRed(newRed)
pixel.set
def posterize(image, rgb):
img = image.copy()
for row in range(img.getHeight()):
for col in range(img.getWidth()):
p = img.getPixel(col, row)
if p.getRed() < rgb[0]:
r = 0
elif p.getRed() > rgb[0]:
r = 255
else:
r = p.getRed()
if p.getGreen() < rgb[1]:
g = 0
elif p.getGreen() > rgb[1]:
g = 255
else:
g = p.getGreen()
if p.getBlue() < rgb[2]:
b = 0
elif p.getBlue() > rgb[2]:
b = 255
else:
b = p.getBlue()
newPixel = image.Pixel(r, g, b)
img.setPixel(col, row, newPixel)
return img
import turtle
def drawFractalLine(t, distance, angle, level):
if level == 0:
t.forward(distance)
else:
drawFractalLine(t, distance / 3, angle, level - 1)
t.left(angle)
drawFractalLine(t, distance / 3, angle, level - 1)
t.right(2 * angle)
drawFractalLine(t, distance / 3, angle, level - 1)
t.left(angle)
drawFractalLine(t, distance / 3, angle, level - 1)
def main():
wn = turtle.Screen()
wn.bgcolor("lightgreen")
wn.screensize(200, 200)
t = turtle.Turtle()
t.color("blue")
t.speed(0)
t.penup()
t.setposition(-150, -100)
t.pendown()
drawFractalLine(t,
import turtle
def drawCircle(t, x, y, r):
t.penup()
t.goto(x, y - r)
t.pendown()
t.circle(r)
def main():
wn = turtle.Screen()
wn.bgcolor("lightblue")
alex = turtle.Turtle()
alex.pensize(3)
drawCircle(alex, 50, 75, 100)
wn.exitonclick()
main()
import turtle
def drawFractalLine(distance, angle, level):
#TODO: Implement this function
def main():
#TODO: Use this function to draw the Koch snowflake
main()
def sharpen(original, width, height):
blank = Image.blank(original.width, original.height)
for y in range(height, original.height - height):
for x in range(width, original.width - width):
pixel = original.get_pixel(x, y)
blank.set_pixel(x, y, pixel)
# Find pixel, pixel to the left, and pixel above
for y in range(height, original.height - height):
for x in range(width, original.width - width):
pixel = original.get_pixel(x, y)
left = original.get_pixel(x-1, y)
above = original.get_pixel(x, y-1)
# Compute the sharpened color
red = weighted_average(pixel.red, left.red, above.red)
green = weighted_average(pixel.green, left.green, above.green)
blue = weighted_average(pixel.blue, left.blue, above.blue)
newpixel = Pixel
from turtle import Turtle
def drawCircle(t, x, y, radius):
t.up()
t.goto(x, y-radius)
t.down()
t.circle(radius)
t.up()
def main():
t = Turtle()
drawCircle(t, 50, 75, 100)
main()
def posterize(image, tup):
for row in range(image.height):
for col in range(image.width):
p = image.getPixel(col, row)
newRed = tup[0]
newGreen = tup[1]
newBlue = tup[2]
newpixel = image.Pixel(newRed, newGreen, newBlue)
image.setPixel(col, row, newpixel)
return image
posterize(image, (255, 0, 0))
def drawFractalLine(myTurtle, distance, angle, level):
if level == 0:
myTurtle.forward(distance)
else:
newDistance = distance / 3
drawFractalLine(myTurtle, newDistance, angle, level - 1)
myTurtle.left(angle)
drawFractalLine(myTurtle, newDistance, angle, level - 1)
myTurtle.right(angle * 2)
drawFractalLine(myTurtle, newDistance, angle, level - 1)
myTurtle.left(angle)
drawFractalLine(myTurtle, newDistance, angle, level - 1)
def main():
myTurtle = turtle.Turtle()
myTurtle.speed(0)
myWin = turtle.Screen()
myTurtle.up()
myTurtle.goto(-100, -50)
myTurtle.down()
drawFractalLine(myTurtle, 200, 60, 4)
my
from images import Image
def sharpen(image, degree, threshold):
for x in range(image.getWidth()):
for y in range(image.getHeight()):
p = image.getPixel(x, y)
r=p.getRed()
g=p.getGreen()
b=p.getBlue()
if r > threshold:
r = r + degree
if b > threshold:
b = b + degree
if g > threshold:
g = g + degree
newpixel = Pixel(r, g, b)
image.setPixel(x, y, newpixel)
return image
def gray_scale(img):
gray_image = np.zeros(img.shape)
gray_image[:, :, 0] = gray_image[:, :, 1] = gray_image[:, :, 2] = np.mean(img[:, :, :], axis=2)
return gray_image
def posterize(img, rgb_tuple):
num_bins = len(rgb_tuple)
img_mod = img.copy()
for channel in range(3):
channel_values = img[:,:,channel]
for bin_index in range(num_bins):
if bin_index == num_bins - 1:
mask = channel_values >= rgb_tuple[bin_index]
else:
mask = np.logical_and(channel_values >= rgb_tuple[bin_index], channel_values < rgb_tuple[bin_index + 1])
img_mod[mask, channel] = rgb_tuple[bin_index]
return img_mod
def sharpen(image, threshhold, factor):
for y in range(image.getHeight()):
for x in range(image.getWidth()):
pixel = image.getPixel(x, y)
if y == 0 or x == 0 or y == image.getHeight()-1 or x == image.getWidth() -1:
continue
right = image.getPixel(x+1, y)
left = image.getPixel(x-1, y)
top = image.getPixel(x, y-1)
bottom = image.getPixel(x, y+1)
r = right.getRed() - pixel.getRed()
g = right.getGreen() - pixel.getGreen()
b = right.getBlue() - pixel.getBlue()
if r > threshhold or r < -threshhold:
pixel.setRed(pixel.getRed() + factor * r)
if g > threshhold or g < -threshhold:
pixel.setGreen(pixel.get
def drawFractalLine(distance, angle, level):
if level == 0:
t.forward(distance)
else:
drawFractalLine(distance/3, angle, level-1)
t.left(angle)
drawFractalLine(distance/3, angle, level-1)
t.right(angle*2)
drawFractalLine(distance/3, angle, level-1)
t.left(angle)
drawFractalLine(distance/3, angle, level-1)
def main():
t.speed('fastest')
for i in range(3):
drawFractalLine(size, angle, level)
t.right(120)
t.done()
def gray_scale(img):
img_height = len(img)
img_width = len(img[0])
gray_img = []
for i in range(img_height):
gray_img.append([])
for j in range(img_width):
gray_img[i].append(0)
for k in range(3):
gray_img[i][j] = gray_img[i][j] + img[i][j][k]
gray_img[i][j] = gray_img[i][j]/3
return gray_img
from images import Image
def sharpen(image, degree, threshold):
for x in range(image.getWidth()):
for y in range(image.getHeight()):
(red, green, blue) = image.getPixel(x, y)
if (red <= threshold) and (blue <= threshold) and (green <= threshold):
newred = 0
newgreen = 0
newblue = 0
else:
newred = red + degree
newgreen = green + degree
newblue = blue + degree
image.setPixel(x, y, (newred, newgreen, newblue))
return image
def grayscale(image):
width = image.get_width()
height = image.get_height()
newImage = pg.Surface((width, height))
for y in range(height):
for x in range(width):
r,g,b = image.get_at((x,y))
newImage.set_at((x,y), (int((r+g+b)/3), int((r+g+b)/3), int((r+g+b)/3)))
return newImage
def posterize(img, rgb_tuple):
"""Given a tuple of RGB values and an image, returns a copy of the image
with each color replaced by the corresponding values from the tuple."""
new_img = img.copy()
for pixel in new_img:
for i in range(3):
pixel[i] = rgb_tuple[i]
return new_img
def grayscale(im):
return np.average(im, axis=2)
def drawCircle(t, x, y, radius):
t.penup()
t.goto(x, y)
t.pendown()
step = 2.0 * 3.1416 * radius / 120.0
for i in range(120):
t.left(3)
t.forward(step)
def main():
t = turtle.Turtle()
drawCircle(t, 50, 75, 100)
turtle.done()
main()
def sharpen(image, width, height):
original_image = image
for y in range(height, original_image.getHeight() - height):
for x in range(width, original_image.getWidth() - width):
(red, green, blue) = original_image.getPixel(x, y)
red2 = original_image.getPixel(x - 1, y)
red4 = original_image.getPixel(x + 1, y)
red5 = original_image.getPixel(x, y - 1)
red6 = original_image.getPixel(x, y + 1)
sharpred = red * 4 - red2[0] - red4[0] - red5[0] - red6[0]
if sharpred < 0:
sharpred = 0
elif sharpred > 255:
sharpred = 255
green2 = original_image.getPixel(x - 1, y)
green4 = original_image.getPixel(x + 1, y)
green5
def posterize(image, rgb):
for pixel in image.getPixels():
pixel.red = rgb[0]
pixel.green = rgb[1]
pixel.blue = rgb[2]
return image
def convert_to_grayscale(image):
gray_image = image.copy()
gray_image[:, :, 0] = .2126 * image[:, :, 0]
gray_image[:, :, 1] = .7152 * image[:, :, 1]
gray_image[:, :, 2] = .0722 * image[:, :, 2]
return gray_image
from images import Image
def main():
filename = input("Enter the image file name: ")
image = Image(filename)
newimage = sharpen(image, 20, 15)
newimage.draw()
if __name__ == "__main__":
main()
from PIL import Image
import numpy as np
def imageToGrayScale(imageName):
im = Image.open(imageName)
grayIm = im.convert('LA')
grayIm.save('gray' + imageName)
imageToGrayScale("lena.png")
import turtle
def drawCircle(t, x, y, r):
t.goto(x, y)
t.down()
t.circle(r)
t.up()
def main():
wn = turtle.Screen()
wn.bgcolor("black")
wn.title("Circle")
wn.setup(600, 600)
t = turtle.Turtle()
t.color("red")
t.pensize(4)
t.speed(0)
drawCircle(t, 50, 75, 100)
wn.exitonclick()
main()
def sharpen(image, degree, threshold):
for x in range(image.getWidth()):
for y in range(image.getHeight()):
(r,g,b) = image.getPixel(x,y)
SharpPixel = (r-degree,g-degree,b-degree)
image.setPixel(x,y,SharpPixel)
return image
im = Image("luther.jpg")
im = sharpen(im, 1, 10)
im.draw()
def sharpen(image, max_x, max_y):
newimage = Image(image.getWidth(), image.getHeight())
for y in range(image.getHeight()):
for x in range(image.getWidth()):
r, g, b = image.getPixel(x, y)
if x > max_x and x < (image.getWidth() - max_x) and y > max_y and y < (image.getHeight() - max_y):
newimage.setPixel(x, y, r, g, b)
else:
r = 255
g = 255
b = 255
newimage.setPixel(x, y, r, g, b)
return newimage
from turtle import *
def drawFractalLine(distance, angle, level):
if level == 0:
forward(distance)
return
else:
drawFractalLine(distance/3, angle, level-1)
left(angle)
drawFractalLine(distance/3, angle, level-1)
right(angle*2)
drawFractalLine(distance/3, angle, level-1)
left(angle)
drawFractalLine(distance/3, angle, level-1)
def main():
speed(0)
width(2)
up()
backward(200)
down()
for i in range(3):
drawFractalLine(300, 60, 4)
right(120)
up()
forward(300)
main()
from images import Image
def sharpen(img, threshold, amount):
newimg = img.clone()
w = img.getWidth()
h = img.getHeight()
for x in range(1, w-1):
for y in range(1, h-1):
p = img.getPixel(x, y)
left = img.getPixel(x-1, y)
above = img.getPixel(x, y-1)
right = img.getPixel(x+1, y)
below = img.getPixel(x, y+1)
r = p.getRed()
g = p.getGreen()
b = p.getBlue()
leftr = left.getRed()
leftg = left.getGreen()
leftb = left.getBlue()
abover = above.getRed()
aboveg = above.getGreen()
aboveb = above.getBlue()
rightr = right.getRed()
rightg = right.getGreen()
import turtle
def drawFractalLine(distance, angle, level):
if level > 0:
drawFractalLine(distance/3, angle, level - 1)
turtle.right(angle)
drawFractalLine(distance/3, angle, level - 1)
turtle.left(2*angle)
drawFractalLine(distance/3, angle, level - 1)
turtle.right(angle)
drawFractalLine(distance/3, angle, level - 1)
else:
turtle.forward(distance)
def main():
turtle.setup(width = 200, height = 200)
turtle.speed(0)
turtle.penup()
turtle.goto(-100, -120)
turtle.pendown()
turtle.color("black", "lightblue")
turtle.begin_fill()
turtle.pensize(3)
turtle.penup()
turtle.goto(-50, -120)
turtle.pendown()
drawFractal
from turtle import *
def drawCircle(t, x, y, radius):
t.penup()
t.goto(x, y-radius)
t.pendown()
t.circle(radius)
def main():
wn = Screen()
alex = Turtle()
drawCircle(alex, 50, 75, 100)
wn.exitonclick()
main()
import turtle
def drawCircle(t, x, y, r):
t.penup()
t.goto(x, y)
t.pendown()
t.circle(r)
def main():
wn = turtle.Screen()
t = turtle.Turtle()
drawCircle(t, 50, 75, 100)
wn.exitonclick()
main()
import turtle
def drawCircle(turtle, x, y, radius):
turtle.penup()
turtle.goto(x, y - radius)
turtle.pendown()
turtle.circle(radius)
def main():
wn = turtle.Screen()
wn.bgcolor("lightgreen")
tess = turtle.Turtle()
tess.color('hotpink')
drawCircle(tess, 50, 75, 100)
wn.exitonclick()
main()
import math
def drawCircle(turtle, x, y, radius):
for i in range(120):
turtle.forward(2.0 * math.pi * radius / 120.0)
turtle.left(3)
def main():
wn = turtle.Screen()
alex = turtle.Turtle()
drawCircle(alex, 50, 75, 100)
wn.exitonclick()
main()
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