matteo: try this:
http://hangar.org/wikis/lab/doku.php?id=start:puredata_opencv palmieri 2008/1/21 IOhannes m zmoelnig <[EMAIL PROTECTED]>: > Derek Holzer wrote: >> Hi IOhannes, >> >> IOhannes m zmoelnig wrote: >> >>> the problem is, that some pix-sources (platform dependent!) supply the >>> images with (0/0) in the upper-left corner, whereas others (0/0) is >>> the lower-left corner (like openGL expects it). >> >> Would be good to know which platforms do it right, and which ones wrong. > > > it's not a matter of "right" and "wrong". > > mathematicians tend to put the origin in the lower-left corner (like a > coordinate system) > computer-graphics prefer the upper-left corner (back in the old days, > the cursor would appear in the 1st line on the screen) > > openGL has been designed by mathematicians. > tcl/tk comes from the computer geeks... > > btw, this fuzz is the reason why the tables in Pd are never oriented the > right way... > > > mgfa.dr > IOhannes > > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > -- ricardo palmieri # 1185833173 [palm.estudiolivre.org] [skype:palmieriricardo] [jabber: [EMAIL PROTECTED] [msn: [EMAIL PROTECTED] [linux user # 392484] _______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
