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→Converting Between Types
Converting from JPEG to one of the other formats is lossless, but re-encoding it as a JPEG is lossy, so converting it back to JPEG will result in a different image than the original.
=== Bitmap to/from Vector ===
Converting a bitmap image to a vector is impossible or at least very difficult. You can have a look at this website for some information about [http://www.computerlifesavers.com/netsnippets/Art%20and%20Design/Auto-Tracing%20How%20To%20Convert.htm autotracing and other bitmap/vector facts].
== Scanning and OCR ==
* http://en.wikipedia.org/wiki/Gif
* http://en.wikipedia.org/wiki/Portable_Network_Graphics
* http://superuser.com/questions/53600/jpeg-vs-png-vs-bmp-vs-gif
= Lab =
== Dia ==
* Download and install [http://projects.gnome.org/dia/downld.html Dia].
* Draw your family tree (it doesn't have to be real, just different from other students) in Dia using shapes (perhaps boxes), arrows from children to parents, and lines without arrows between spouses. Change the colours for males to be blue (boxes and lines) and red for females.
