To Temple College Class  logo R. Craig Collins > Intro to Computer Graphics > Lab 2

Lab 2 © R. Craig Collins, 2007

General Lab Directions
Note: There is not enough time in lecture to cover all the material; go over the reading material BEFORE you begin the lab
Note: Typically labs will require you to invest some time in the lab, outside of class lecture hours

•Note: Please read the related overview material before continuing
Check with your Instructor for due date, typically Friday, 11:59PM (see due dates)

   •Begin creating and testing the Lab (link to graphic construction requirements)
   •Answer questions concerning topics covered in the Lab
     (You will later transfer this information into a D2L quiz)
You may download an acrobat or word processing document to help you with this.   

At the end of this process,
1) you will submit the web page files by zipping them, and placing them in the Desire2Learn dropbox area. Instructions on zipping are below.
2) you will be 'turning in' your documentation and Q&A by taking the ARTC Lab 2: quiz in the Quizzes area of Desire2Learn. So, to get the best score, complete the documentation and Q&A as directed below, first.

     • Optional: Open/save an Acrobat pdf document to help with documentation and questions
       (get Adobe Acrobat Reader free, here)
     • Optional: Right click/save a Word doc document to help with documentation and questions
     • Optional: Right click/save a Rich Text rtf document to help with documentation and questions

Part 1, Activity (40%):
You may download an acrobat or word processing document to help you with this.

 • Create a folder named lab2
 • Create an image using Microsoft Paint, and save as a 24 bit .bmp file
    DO something interesting!
   • Include many different colors, lines, circles, etc.
 • Save as a 24 bit .bmp file called 24bit.bmp
 • Save as a 256 color.bmp file called 8bit.bmp
 • Save as a 16 color .bmp file called 4bit.bmp
 • Save as a monochrome .bmp file called 2bit.bmp
 • Close Paint
 • Start a new Paint session, and open 24bit.bmp
 • Save as a tiff file called 24bit.tif
 • Close Paint
 • Start a new Paint session, and open 24bit.bmp
 • Save as a gif file called 24bit.gif (will warn about color loss)
 • Close Paint
 • Browse to you lab2 folder, and compare file size.
 • Right click each image, and choose Preview to compare how the images look

 • Zip the lab2 folder, rename it to yourname-lab2.zip and submit in the D2L Lab 2 dropbox

Grade Points

30 points: lab2 folder contains 24bit.bmp, 8bit.bmp, 4bit.bmp, 2bit.bmp, 24bit.tif, and 24bit.gif (6 pt ea)
10 points: lab2 zipped, renamed yourname-lab2.zip and uploaded to D2L dropbox

 

Part 2: Hands On (60%): Be prepared to discuss/demonstrate new tools and concepts used in this lab.

You may download an acrobat or word processing document to help you with this.

At the end of this process, you will be turning in answers using the Quizzes area of Desire2Learn, based on the following questions. So, to get the best score, fill in all the answers in this document first.

Answer the following questions

  • True or False: gif stands for Great Image Format

  • gif is a ______ image type
    a) vector
    b) raster
    c) pixelmap
    d) iTunes

  • gif is best suited for
    a) photographs
    b) simple line drawings with few colors
    c) simple line drawings with millions of colors
    d) music files

  • gif files are typically used
    a) on the internet
    b) for saving photographs
    c) for printing photographs
    d) to compress photographs

  • True or False: the gif format is protected by a current patent

  • What features are supported in new gif files? (Choose all that apply)
    a) 24 bit color
    b) animation
    c) high resolution
    d) transparency
    e) 256 color
    f) non-interlaced
    g) interlacing

  • Telling the computer to ignore part of an image is
    a) transparency
    b) animation
    c) interlacing
    d) compression

  • Displaying a image gradually, until the image fills in, is called
    a) transparency
    b) animation
    c) interlacing
    d) compression

  • Displaying one image, followed by another image, is called
    a) transparency
    b) animation
    c) interlacing
    d) compression

  • Match the file types according to quality and file size
  24 bit bitmap Large file size, high resolution file with millions of possible colors
  dither  
  256 color bitmap Large file size, low resolution file with millions of possible colors
  16 color bitmap  
  monochrome bitmap Small file size, 256 color limit, suitable for use on the Internet
  tiff  
  gif mixing colored dots to approximate another color

 

Problems? Zip the entire folder and attach to an email:
       •Send the mail to your instructor, cc yourself
       •The subject line should include your name, your class, your section, and what you are submitting
       •Make sure you attach the zipped file

SUBMITTING THE LAB

In Windows, zip the entire lab2 directory, and rename to yourname-lab2.zip.
       •Example: yourname-lab2 or yourname-lab2.zip (if your extensions are visible)
Log into Desire2Learn, choose this class, choose Dropbox, and select Lab 2.
Browse to yourname-lab2.zip and upload it. (Scroll down to see detailed instructions)

You will then transfer your answers to the D2L Quiz for lab 2. You may use your notes for this part of lab.
Choose the Quizzes menu, and locate IMED Lab 3: backgrounds/paths.
      • Using D2L dropbox       • Using D2L Quizzes      • Logon to D2L
To submit by Temple College Desire2Learn:
       •Log into D2L, scroll to the bottom, and choose the correct course
       •When the Course Home Page appears, click on the Dropbox link.
              •You may click on Discussions, Dropbox, or Quizzes below, for more info

       D2L navigation D2L Dropbox notes D2L Quizzes Notes D2L Discussion Notes
Dropbox directions