On Jan 26, 2010, at 4:01 AM, H. Gluender wrote:

> Deep wrote:
> 
> "The others such as CoreGraphics, Quartz, OpenGL, etc, all use the bottom
> left as the origin point. This takes it's cue from PostScript. Apple used to
> refer to CoreGraphics and Quartz as "Display PostScript" until they were
> given the official Apple names."
> 
> Actually it wasn't Apple but NexT (and perhaps other companies) who started with "Display PostScript".
> 
> Origin at Bottom-Left is just what Monsieur Rene Descartes proposed about 350 years ago and what is used since in mathematics. It was only with computer science (informatics) that the origin was transfered to Top-Left and producing a lot of silly confusion...

Silly confusion?

Next time you write (with a pen and paper) a letter try starting from the bottom left corner and working your way up.

Just an obversion for fun.

Max Taylor
The MaxClass Guy