CS 111 - Program Design I

Spring 2017 Sample Code

Please note that the Python files get posted as .txt files so they can be viewed on the web page.

Sound Manipulation Code

• lect0425c.py.txt - Reverse a sound by exchanging values
• lect0425b.py.txt - Modify the create echo code to repeatedly echo like a "reverb machine"
• lect0425a.py.txt - Modify the create echo code so the the first second is repeatedly echoed
• quicksort.py.txt - Sorting the sample values using the quick sort algorithm
• lect0420c.py.txt - Sorting the sample values using the selection sort algorithm
• lect0420b.py.txt - "Normalize" a sound - making it as loud as possible while avoiding clipping
• lect0420a.py.txt - Accessing the individual characters from a String
• lect0418b.py.txt - Create an echo for a sound
• lect0418a.py.txt - Code from page 267 of the text to generate sine waves
• lect0413i.py.txt - Looping through a list of integer and modifying the list
• lect0413h.py.txt - Looping through a list of integer values and summing up the values
• Joining the same sound together so it repeats 5 times with different pitches
  
  • lect0413g.py.txt - Executing a loop 5 times to create and join each part
  • lect0413f.py.txt - Using 5 change pitch calls instead of 4
  • lect0413e.py.txt - Using 5 join calls instead of 4
  • lect0413d.py.txt - Creating the various pitches and then joining the all together
• lect0413c.py.txt - Changing the pitch/frequency of a sound
• lect0413b.py.txt - Deceasing the pitch/frequency of a sound ("expanding" the length)
• lect0413a.py.txt - Increasing the pitch/frequency of a sound ("compressing" the length)
• lect0411c.py.txt - Reverse a sound
• lect0411b.py.txt - Crop a sound (make sound bite/byte)
• lect0411a.py.txt - Join two sounds together (so they play one before the other)
• lect0406d.py.txt - Combine two sounds together (so they play at same time)
• lect0406c.py.txt - Fade out a sound over X seconds
• lect0406b.py.txt - Fade in a sound over X seconds
• lect0406a.py.txt - Fade in a sound over 3 seconds
• lect0328d.py.txt - Code to increase the volume of a sound by quadrupling the amplitude values
• lect0328c.py.txt - Code to open and play a Sound File

• lect0328a.py.txt - Green Screen Algorithm ("chromakey") - Designed to work with this picture:
  
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• lect0316e.py.txt - Resize picture by some Percent Change
• lect0316d.py.txt - Enlarge the size of a picture by 2
• lect0316c.py.txt - Reduce the size of a picture by 2 correct version
• lect0316b.py.txt - Reduce the size of a picture by 2 FLAWED Version - invalid if width or height values are odd
• lect0316a.py.txt - Crop a picture
• lect0314f.py.txt - Copy a picture onto another picture multiple times
• lect0314e.py.txt - Copy two different pictures onto another picture
• lect0314d.py.txt - Make a collage from two pictures
• lect0314c.py.txt - Copy a picture three times while mirroring the second copy
• lect0314b.py.txt - Copy a picture three times
• lect0314a.py.txt - Copy a picture three times
• lect0309g.py.txt - Duplicate/Repeat a picture
• lect0309f.py.txt - Rotate picture 90 degress clockwise direction
• lect0309e.py.txt - Flip Diagonally (Flip along main diagonal)
• lect0309d.py.txt - Flip both Vertically and Horizontally
• lect0309c.py.txt - Flip Horizontally (Flip along a horizontal axis)
• lect0309b.py.txt - Mirror Image program (Flip along a vertical axis)
• lect0309a.py.txt - Copy a picture (position manipulation template)
• lect0307b.py.txt - Edge Detection Algorithm (compares colors of neighboring pixels)
• lect0307a.py.txt - Reworking Red Eye program to use the boolean operator: and
• lect0302d.py.txt - Code to superimpose two pictures together (amount of superimposing changes across picture from left to right)
• lect0302c.py.txt - Superimpose two pictures into a new picture
• lect0302b.py.txt - 4 Color Posterization using Python elif clauses
• lect0302a.py.txt - 4 color posterization using nested if statement
• lect0228e.py.txt - Showing code to quit from a python program on an error
• lect0228d.py.txt - Improved Red Eye Reduction example (highlighting if statements)
• lect0228c.py.txt - First attempt at Red Eye Reduction (highlighting if statement and distance() function)
• lect0228b.py.txt - Two color posterization of Purple-ish and Yellow-ish (highlighting if-else statement)
• lect0228a.py.txt - Two color posterization of BlackORWhite (highlighting if-else statement)
• lab0227a.py.txt - Showing two "starting" functions in one file
• lect0223c.py.txt - Use of for loop with python list of varying values
• lect0223b.py.txt - Make gray-scale picture using for loops instead of while loops
• lect0223a.py.txt - Make gray-scale picture using weighted value calculation for red, green and blue
• lect0221j.py.txt - Make a gray-scale picture (black and white) using the average of the red, green and blue color values at each pixel
• lect0221i.py.txt
• lect0221h.py.txt
• lect0221g.py.txt
• lect0221f.py.txt
• lect0221e.py.txt
• lect0221d.py.txt
• lect0221c.py.txt
• lect0221b.py.txt
• lect0221a.py.txt
• lect0209c.py.txt - Darken the colors of the pixels in a portion of a picture
• lect0209b.py.txt - Change the pixels to red in a portion of a picture
• lect0209a.py.txt - Draw a red line, pixel by pixel, on a picture

• lect0207e.py.txt - Drawing shapes a varying positions
• lect0207d.py.txt - Drawing shapes of varying color (red to purple to blue)
• lect0207c.py.txt - Showing basic use of the make color function
• lect0207b.py.txt - Using a loop that counts down instead of counting up
• lect0207a.py.txt - Using a wide pen and repeated shapes to draw a "filled-in" shape
• lect0202e.py.txt - Using a wide pen and repeated shapes to draw a "filled-in" shape
• lect0202d.py.txt - Using the loop counter variable to change the size of the shape
• lect0202c.py.txt - Using a loop draw a shape multiple times
• lect0202b.py.txt - Using a function to reposition a turtle
• lect0202a.py.txt - Code to open a .jpg file to draw on and save the resulting picture
• lect0131f.py.txt - A function to draw a Circle
• lect0131e.py.txt - Call the function to draw an Octagon multiple times with a loop
• lect0131d.py.txt - Use a loop to draw an Octagon
• lect0131c.py.txt - Adding functions that modify the width of the pen and the pen's color
• lect0131b.py.txt - Adding functions that modify the width of the pen and the pen's color
• lect0131a.py.txt - Expanding the function to add a length parameter
• lect0126c.py.txt - Code with multiple Turtles using multiple functions
• lect0126b.py.txt - Using a function to draw a square
• lect0126a.py.txt - Changing the Color of a Turtle's pen
• lect0124f.py.txt - Drawing two shapes separated by space
• lect0124e.py.txt - Drawing two shapes one on top of the other
• lect0124d.py.txt - Drawing a square
• lect0124c.py.txt - Moving two turtles around on one world
• lect0124b.py.txt - Create a world, create a turtle, move the turtle

• lect0124a.py.txt
• lect0119a.py.txt
• lect0117a.py.txt