Hi all, On Nov 27, 2007, at 4:39 PM, Matthew Glenn Shaver wrote:
> On Tue, 2007-11-27 at 13:28 -0800, Kirk Wallace wrote: >> I believe you don't need the J. All you need are two points on the >> circle and a line known to contain the center. Take the two points >> and >> draw a line through them. Draw a perpendicular line through the >> midpoint. Where your I line intersects the perpendicular line is your >> radius center. Now that you mention it, I have have called out both I >> and J in my programs which I guess is erroneous. I suppose G2/3 >> uses the >> first option it sees and ignores the rest? > > No, it uses both if supplied, and then checks to make sure > start_rad=end_rad and that rad!=0. If either of the two offsets > (relevant to the currently selected plane) is not supplied, it is > assumed to be zero. > > Your method on the other hand would (I think) always define a valid > arc! As far as I can tell that is true. It may not be the arc you expected but you will get an arc. ;-) > Nice idea! I don't know how to put it into practice such that it would > fit with the present scheme of doing things, but it's something to > think > about. > Dave > Thanks, > Matt > > > > ---------------------------------------------------------------------- > --- > SF.Net email is sponsored by: The Future of Linux Business White Paper > from Novell. From the desktop to the data center, Linux is going > mainstream. Let it simplify your IT future. > http://altfarm.mediaplex.com/ad/ck/8857-50307-18918-4 > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------- SF.Net email is sponsored by: The Future of Linux Business White Paper from Novell. From the desktop to the data center, Linux is going mainstream. Let it simplify your IT future. http://altfarm.mediaplex.com/ad/ck/8857-50307-18918-4 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
