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Old 01-10-2005, 10:47 AM   #1
ZaphyR
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what is svg really?


i have seen lots of ppl writing about svg images, e.g. at kde-look.org....but what is it really...and what is the difference from jpg, png and so on?

thanks
 
Old 01-10-2005, 01:38 PM   #2
otoomet
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Have you ever looked at www.svg.org?

svg stands for 'scalable vector graphics', it is a xml-based standard for saving vector graphics. Both jpg and png are formats bitmap grahics. The main difference is that bitmap graphics file consist of the picture itself, basically a color code for every pixels (OK, they are compressed and iclude different extra information). These are ideal formats for e.g. photographs.

Vector graphics is stored not as a picture but as a rule: draw a line, a circle, fill with a color etc. It is well suited for graph-like pictures (figures, logos, icons...). The main advantage is that they are scalable -- they can zoomed arbitrarily much. Bitmap images lose the precision, you can see it playing around with gimp and sodipodi.

Best,

Ott
 
Old 01-10-2005, 02:09 PM   #3
ZaphyR
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ah, so it because of the scalability the svg format is used for icons and wallpapers...so one icon can be used for all sizes, and not loose the crispness
i'll have a look at the website as well
thanks!
 
  


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