1. timo. paivarinta@helsinki. fi 050-523 5403 (59003) www. biocenter
(59003)

2. Schedule 6.4. (Tue) 8.4. (Thu) 13.4. (Tue) 14.4. (Wed)
Color systems, image formats
Photoshop basics &tools
Photoshop practice
Office basics
20.4. (Tue)
21.4. (Wed)
26.4. (Mon)
28.4. (Wed)
Corel Draw
Graphic designing
PDF basics
Lecture

3. What’s it about?

4. Photoshop
Corel
Power Point
Excel
PDF

5. Color systems
Image formats
Resolutions

6. RGB Additional color system red, green and blue light
256 levels of every color (8-bit.)
more than 16 million colors (2563, 24-bit)
used in web, in screens and for example MS:s
Office-programs

7. RGB

8. CMYK Subtractive color system
Cyan, Magenta, Yellow and Black (K) paint
Press-houses
levels are posted in percents
32-bit
Rasterizing

9. CMYK

10. LAB Three-dimensioned Used mostly in measuring and analyzing colors
A- and B-axis (2-d coordinates) about the color
L-axis (perpendicular) about the tint.

11. Indexed color Used mostly in GIF-pictures for web Only 256 colors
Transparency feature
Not suitable for press-use.

12. grayscale
256 tints of black
In tables, grayscale images etc.

13. Color circle

14. Image formats
PSD
JPG
EPS
TIFF
GIF
PNG

15. PSD
Photoshop-format
Layers
Original data

16. JPG Effective compressing algorithm “Lossy” (loses information)
Usage: www, MS-office

17. JPG 150 dpi/saved once quality 6 150 dpi/saved once quality 0
150 dpi/saved twice quality 0

18. TIFF Lossless compressing (LZW) Independent for platform (PC, Mac)
Usage: press (Office)

19. EPS Encapsulated PostScript “Raw data” Can also be compressed (jpg)
Usage: press

20. GIF Indexed color (256) Lossless Transparency
Can be saved also interlaced
Usage: www, MS-Office

21. GIF
JPG/quality 12
GIF

22. PNG
Lossless
Indexed-color, grayscale, and true-color supported (up to 32-bit)
transparency

23. Resolutions www: 72 dpi (exact size) Word & PP: 72-150 dpi
Press: 300 dpi (exact size)