Re: About arc command

Dear D2:) David and Dirk
Thank you very much for the links. It will help for my design.

Indeed, I think I just full completed the arc command after the before
message send.
Though my original intention is, hope the editor correct the document
to not misguide others.

To Editors: can you do some kind of correcting?

BTW, you both at Australia?

致敬//Regards If you intrest, listen this pronounce:

2012/5/11 Dirk Schulze <>:
> I also like the description on MDN with good examples:
> Greetings,
> Dirk
> On May 11, 2012, at 3:14 AM, David Dailey wrote:
>> To be honest, I usually end up trying all four values of the arc-flag and sweep-flag before I remember how they're suppose to work.
>> Perhaps the example at might help.
>> Cheers
>> David
>> -----Original Message-----
>> From: [] On Behalf Of ??
>> Sent: Thursday, May 10, 2012 8:49 PM
>> To:
>> Subject: About arc command
>> Hi,
>> I'm doing a svg style implementation.
>> arcing. check out the document, seems some words not so right:) 1, sweep flag:
>> I checkout wiki, there is no "positive-angle" speaking. as programmer, I can get,  it just step or delta value >0.
>> but other users maybe get it better, if other common word used, f.e, counter(anti)-clockwise, or left(right) handle law.
>> IMO, even "ccw" better than sweep.
>> 2, implnote F.6.5, step4, eval the included angle, the acos result range from 0-PI, but document stats:
>> where θ1 is fixed in the range −360° < Δθ < 360° Indeed, it misguide me.
>> Though not use math thing long years, I get back ever feeling at math by bad reviewing the lessons, and send this message.
>> BTW I hope my english speaking got.
>> If have some problem, I can send message again with more syntaxed thing.
>> Regards
>> Qinxian

Received on Friday, 11 May 2012 03:24:59 UTC