(59003)

Schedule 4.3. (Fri)7.3. (Mon)8.3. (Tue)11.3. (Fri) Color systems, image formats Photoshop basics &tools Photoshop practice (Mon)15.3. (Tue)18.3. (Fri)21.3. (Mon) Office as drawing tool Corel DrawPDF basicsQuestions, problems

What is the course about?

Photoshop Photoshop Corel Corel Power Point Power Point Excel Excel PDF (Acrobat) PDF (Acrobat)

Color systems Color systems Image formats Image formats Resolutions Resolutions

RGB Additional color system Additional color system red, green and blue light red, green and blue light 256 levels of every color (8-bit.) 256 levels of every color (8-bit.) more than 16 million colors (256 3, 24-bit) more than 16 million colors (256 3, 24-bit) used in web, in screens and for example MS:s used in web, in screens and for example MS:sOffice-programs

RGB

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

CMYK

Color circle red magenta blue cyan greenyellow

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

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

Image formats PSD PSD JPG JPG EPS EPS TIFF TIFF GIF GIF PNG PNG

PSD Photoshop-format Photoshop-format Layers Layers Original data Original data Vector data Vector data Text editable Text editable

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

JPG 150 dpi/saved once quality dpi/saved once quality dpi/saved twice quality 0

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

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

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

GIF JPG/quality 12GIF

PNG Lossless Lossless RGB-color with alpha channel supported RGB-color with alpha channel supported Transparency Transparency Usage: screen Usage: screen

Resolutions www:72 dpi (exact size) www:72 dpi (exact size) Word & PP: dpi Word & PP: dpi Press:300 dpi (exact size) Press:300 dpi (exact size)

Questions?