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STANDARDS OF GRAPHIC STANDARDS OF GRAPHIC DOCUMENTSDOCUMENTS
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Graphic DocumentsGraphic Documents
BitmapBitmap Vector Vector
Bitmap DocumentsBitmap Documents
PixelPixel Resolution e.g. 800x600 pixels, 3 Resolution e.g. 800x600 pixels, 3
MegapixelsMegapixels 4x3, 16x94x3, 16x9 Raster Raster
BMP (BitMaP)BMP (BitMaP)
DIB (Device Independent Bitmap)DIB (Device Independent Bitmap) No compressionNo compression No transparency (24-bit)No transparency (24-bit) 32-bit DIB alpha channel- XP logo32-bit DIB alpha channel- XP logo
JPEG (Joint Photographic JPEG (Joint Photographic Experts Group)Experts Group)
ISO 10918-1ISO 10918-1 Compression enabled format (levels)Compression enabled format (levels) 10:1 compresson with little loss10:1 compresson with little loss No transparency (24-bit)No transparency (24-bit) Best for smooth variation of tone and Best for smooth variation of tone and
colorscolors Not good for sharp contrastsNot good for sharp contrasts
GIF (Tagged Image File GIF (Tagged Image File Format)Format)
Compression enabled formatCompression enabled format 3:1 compresson lossless + LZW3:1 compresson lossless + LZW Best for sharp-edged line art: logos, Best for sharp-edged line art: logos,
simple imagessimple images Supports animationsSupports animations Can have only 256 colors in one Can have only 256 colors in one
imageimage Allows transparencyAllows transparency
PNG (Portable Network PNG (Portable Network Graphics)Graphics)
RFC 2083/ ISO/EC 15948:2004RFC 2083/ ISO/EC 15948:2004 Compression enabled format- lossless Compression enabled format- lossless
DeflateDeflate True color and alpha transparencyTrue color and alpha transparency Best for sharp-edged line art: logos, simple Best for sharp-edged line art: logos, simple
imagesimages Faster interlacing than GIFFaster interlacing than GIF Does not support animationsDoes not support animations
TIFF (TIFF (Tagged Image File Tagged Image File FormatFormat ))
Allows handling images and data in a Allows handling images and data in a single file (size, image-data arrangement, single file (size, image-data arrangement, applied compression), even jpeg, layers applied compression), even jpeg, layers and pagesand pages
Compression enabled format- lossless LZWCompression enabled format- lossless LZW Bought by Adobe in 2009Bought by Adobe in 2009 Limited to 4 GBLimited to 4 GB Custom taggingCustom tagging
RAWRAW
Direct sensor readoutDirect sensor readout Myriad of RAW formatsMyriad of RAW formats DNG (Digital Negative) standards DNG (Digital Negative) standards
proposal by Adobeproposal by Adobe Metadata, Compression (lossless and Metadata, Compression (lossless and
lossy), sometimes encriptionlossy), sometimes encription Open source dcrawOpen source dcraw
Vector DocumentsVector Documents
Use mathematical equations to present Use mathematical equations to present datadata
Points, lines, curves, polygonsPoints, lines, curves, polygons Easier to manipulate withEasier to manipulate with Don’t „loose” quality in any resolutionDon’t „loose” quality in any resolution Grouping objectsGrouping objects Generally smaller size than bitmapGenerally smaller size than bitmap
SVG (Scalable Vector SVG (Scalable Vector Graphics)Graphics)
W3C open standardsW3C open standards Defined using XML taggingDefined using XML tagging Compatible with CSS specificationCompatible with CSS specification Compression gzip or otherCompression gzip or other http://upload.wikimedia.org/wikipedia/http://upload.wikimedia.org/wikipedia/
commons/6/6b/Bitmap_VS_SVG.svgcommons/6/6b/Bitmap_VS_SVG.svg
CDR (Corel Draw)CDR (Corel Draw)
Closed standardClosed standard Ever changingEver changing
Have fun!Have fun!
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