Exercise
Computer Graphics

Last update 2001.02.27 (2000.03.07 ) [1998.02.26]



EXERCISE: Computer Graphics

Exercise

The images below are found at http://it.civil.auc.dk/~i6ks/grafik/ in three different resolutions.

  • 512x768 pixels (1.1 Mb)
  • 1024x1536 pixels (4.6 Mb)
  • 2048x3072 pixels (18.4 Mb)

The cut-out from the image shall be places in a printed publication
where the image shall have width 6.5 cm and a resolution 170 dpi.

  • Save the image in TIFF format.
  • How big is the files?
  • How big will the file be in 300 dpi resolution in TIFF format.


  • The image shall now be presented on a WWW-page. The width shall be 300 pixels. Make a jpg-file and a gif-file with this image. How big are the files? (Try out high and low compression of the images in jpg format).

  • Elaborate different tools you find in your image editing program (filters, transformations, and colors)



Resolution
File size
25%
6%
50%
25%
100%
100%



Elaborate
atrium256x384.tif
udsnit.tif



Kjeld Svidt, Per Christiansson 27.2.2001 [7.3.2000]


Per Christiansson