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Web Graphics- Raster and Vector



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Web Graphics Raster and Vector Dr William James Buchholz Professor and Chairman Emeritus Information Design and Corporate Communication Bentley University 175 Forest Street Waltham MA 02452 4705 wbuchholz bentley edu 781 891 2216 The complete PowerPoint presentation is available as a Web slideshow at https skydrive live com view aspx Web 20Graphics 20 20Raster 20and 20Vector Web 20Graphics 20 20Raster 20and 20Vector pptx cid b8e90540bd070874 sc documents Slide 1 Web Graphics Raster Vector Copyright 2011 William Buchholz All rights reserved Web Graphics Raster Vector Dr William Buchholz Professor and Chair Emeritus Information Design and Corporate Communication Bentley University Waltham MA 02452 4705 Contact Dr William Buchholz Professor and Chair Emeritus Information Design and Corporate Communication Bentley University Waltham MA 02452 4705 wbuchholz bentley edu Graphics source http inventivepixels com Slide 2 Graphics Formats Raster bitmapped paint images grids of pixels picture elements Vector draw graphics Object oriented oog mathematical shapes Bezier curves data and x y z coordinates This presentation focuses on the two basic graphics formats for the Web raster and vector Web Graphics Raster and Vector Page 2 of 9 Slide 3 On the Web the only significant raster players have been gif and jpeg Modern browsers are able to handle png and as well Raster Format File formats include these extensions Gif Jpg jpeg Bmp Tiff Png Source Mike s Sketch Pad http www sketchpad net basics1 htm Slide 4 Vector Graphic Format File formats include these extensions SWF Flash Flashbooty WMF Windows Meta File CGM Computer Graphics Metafile SVG Scalable Vector Graphics Source Mike s Sketch Pad http www sketchpad net basics1 htm Slide 5 What is a Vector Plotted X and Y coordinates Z for 3 D Bezier curves Bezigon Ellipse Rectangle Spiral Web Graphics Raster and Vector Polygon The most famous of these is Flash In the Windows OS however VML and WMF are very common indeed Vector graphics



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