It would if it were degrees of clockwise rotation, instead of just indicating a linear direction. There is nothing turning here, just an angle to indicate a straight direction. In geometry convention, 90 degrees as a linear direction is straight up. On Nov 4, 2009, at 6:14 PM, Brendan Kenny <bckenny@gmail.com> wrote: > Wouldn't 90 degrees point straight down, since +y points down? > > On Wed, Nov 4, 2009 at 8:05 PM, Brad Kemper <brad.kemper@gmail.com> > wrote: >> >> On Nov 4, 2009, at 5:41 PM, Simon Fraser <smfr@me.com> wrote: >> >>> 0deg being up (I think; the current proposal doesn't say), >> >> 0deg is left-to-right. Like on a protractor, where 0 points to the >> right, >> 180 points to the left, and 90 points straight up. >>Received on Thursday, 5 November 2009 02:35:28 UTC
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