From grass-lists-owner@moon.cecer.army.mil Thu Dec 7 19:28 GMT 1995
Date: Thu, 7 Dec 1995 09:35:45 -0800 (PST)
From: Susan Huse <sue@wohler.regis.berkeley.edu>
Subject: Re: Orientation system
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Content-Length: 814> You have a line along of which you want certain symbols to
> be drawn using a specific orentation.... If you'd say
> "I want that symbol to be drawn +30 degrees added to the
> vector direction", where would you expect the + to go ?
>
> Meaning... When adding angles, where do you add, where do you
> substract....?
>I would also go clockwise from the existing line.
definitely clockwise, isn't that the way navigational bearings go
by convention ie a bearing of 270 is West?
cheers Tom
Tom Charnock O--O
Dept Civil Engineering (~~~~)
Aston University ( __ )
Birmingham B4 7ET UK /|\ /|\
charnotw@sun.aston.ac.uk