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EXERCISE: Computer Graphics
Exercise
The image below is found at http://it.bt.aau.dk/ks/grafik/ in three
different resolutions.
- 512x768 pixels (1.1 Mb)
- 1024x1536 pixels (4.6 Mb)
- 2048x3072 pixels (18.4 Mb)
This or a similar cut-out from the image shall be placed in a printed publication
where the image shall have width 6.5 cm and a resolution 170 dpi.
Use e.g. Corel Photopaint (available on \\studserver) or Microsoft Photo Editor (comes with MS Office) or any other image editor.
Chose a sufficient resolution of the original image to create the cut-out which fulfills the above requirements.
You can also chose to use your own images.
- Save the image in TIFF format.
- How big is the file?
- 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).
Give comments on the image quality and file sizes.
- Elaborate different tools you find in your image editing program (filters,
transformations, and colors)
- Try to make 360 degree panoramic photos. Discuss advantages and disadvanteges of 360 degree photos. (http://www.ulead.com/ Ulead Cool360, or http://www.albatrossdesign.com
or use a similar tool of your own choice) Use your own photos or try the samples in http://it.bt.aau.dk/ks/grafik/360/ Consider file size!!!
- Try to make Flash presentations (e.g. with Corel R.A.V.E, available on \\studserver). Discuss if it can give "added value" to your site.
- Try to make Scalable Vector Graphics with Corel Draw, available on \\studserver)
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- Consider file size, storage requirement and download time for all the graphics, you use.
- Try different image presentation methods as shown here.
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- Make a small report on your experience with graphics in you project and put it in your project report and on your website!!!
Resolution
File size
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25%
6%
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50%
25%
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100%
100%
Elaborate
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atrium256x384.tif
udsnit.tif
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