Linked by Christian F.K. Schaller on Tue 23rd Mar 2004 19:25 UTC
Graphics, User Interfaces Computer graphics have long been dominated by bitmapped images. However, the free software community has taken an innovative lead by adopting scalable graphic formats on its desktops. Inthis article I cover the history and rise of scalable graphics on the desktop from my angle - as a proponent of its use in the GNOME platform. This article mostly focuses on SVG's progress from a GNOME point of view, both because GNOME has progressed the furthest and because I am most knowledgable with GNOME's efforts. I will however mention major landmarks in other projects where appropriate.
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by Anonymous on Wed 24th Mar 2004 01:12 UTC

Basically PNG is a binary description of an image, while SVG is a textual description of an image.

Or PNG is a rastorized image (color this pixel 0x3e2321, color this pixel 0x83a30c, etc, etc for every pixel in the image), where as SVG describes the image using XML tags; ie: <circle cx="100" cy="100" r="50" style="stoke:green;stroke-width:3" />
That's a circle, centered at (100,100) with a radius of 50, and it's green with a 3 pixel border.