View
29
Download
0
Category
Preview:
DESCRIPTION
timo.paivarinta@helsinki.fi 050-523 5403 (59003) www.biocenter.helsinki.fi/bi/editor/DIP.ppt. Schedule. What’s it about ?. Photoshop Corel Power Point Excel PDF. Color systems Image formats Resolutions. RGB. Additional color system red, green and blue light - PowerPoint PPT Presentation
Citation preview
timo.paivarinta@helsinki.fi050-523 5403 (59003)050-523 5403 (59003)
www.biocenter.helsinki.fi/bi/editor/DIP.pptwww.biocenter.helsinki.fi/bi/editor/DIP.ppt
ScheduleSchedule6.4. (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
What’s it about?What’s it about?
PhotoshopPhotoshop
CorelCorel
Power PointPower Point
ExcelExcel
PDFPDF
Color Color systemssystems
Image Image formatsformats
ResolutionsResolutions
RGBRGBAdditional color systemAdditional color system
red, green and blue lightred, green and blue light
256 levels of every color (8-bit.)256 levels of every color (8-bit.)
more than 16 million colors (256more than 16 million colors (25633, 24-, 24-bit)bit)
used in web, in screens and for used in web, in screens and for example MS:s example MS:s
Office-programsOffice-programs
RGBRGB
CMYKCMYKSubtractive color systemSubtractive color system
Cyan, Magenta, Yellow and Black (K) Cyan, Magenta, Yellow and Black (K) paintpaint
Press-housesPress-houses
levels are posted in percentslevels are posted in percents
32-bit 32-bit
RasterizingRasterizing
CMYKCMYK
LABLABThree-dimensioned Three-dimensioned
Used mostly in measuring and Used mostly in measuring and analyzing colorsanalyzing colors
A- and B-axis (2-d coordinates) about A- and B-axis (2-d coordinates) about the color the color
L-axis (perpendicular) about the tint.L-axis (perpendicular) about the tint.
Indexed colorIndexed colorUsed mostly in GIF-pictures for webUsed mostly in GIF-pictures for web
Only 256 colors Only 256 colors
Transparency featureTransparency feature
Not suitable for press-use.Not suitable for press-use.
grayscalegrayscale256 tints of black256 tints of black
In tables, grayscale images etc. In tables, grayscale images etc.
Color circleColor circle
Image formatsImage formatsPSDPSD
JPGJPG
EPSEPS
TIFFTIFF
GIFGIF
PNGPNG
PSDPSDPhotoshop-formatPhotoshop-format
LayersLayers
Original dataOriginal data
JPGJPGEffective compressing algorithmEffective compressing algorithm
““Lossy” (loses information)Lossy” (loses information)
Usage: www, MS-officeUsage: www, MS-office
JPGJPG
150 dpi/saved once quality 6
150 dpi/saved once quality 0
150 dpi/saved twice quality 0
TIFFTIFFLossless compressing (LZW)Lossless compressing (LZW)
Independent for platform (PC, Independent for platform (PC, Mac)Mac)
Usage: press (Office)Usage: press (Office)
EPSEPSEncapsulated PostScriptEncapsulated PostScript
““Raw data”Raw data”
Can also be compressed (jpg) Can also be compressed (jpg)
Usage: pressUsage: press
GIFGIFIndexed color (256)Indexed color (256)
LosslessLossless
Transparency Transparency
Can be saved also interlacedCan be saved also interlaced
Usage: www, MS-OfficeUsage: www, MS-Office
GIFGIF
JPG/quality 12 GIF
PNGPNGLosslessLossless
Indexed-color, grayscale, and Indexed-color, grayscale, and truetrue--color supportedcolor supported (up to 32-bit)(up to 32-bit)
transparencytransparency
ResolutionsResolutionswww:www: 72 dpi (exact size)72 dpi (exact size)
Word & PP:Word & PP: 72-150 dpi72-150 dpi
Press:Press: 300 dpi (exact 300 dpi (exact size)size)
Recommended