Victor,

Thanks for the response (which I personally received 5 minutes before my 
mail through the group!)

I take it then that the opcodes haven't changed (except that one is for the 
moment broken); but that the manual is incorrect or unclear.

Is that the jist of it?

Art Hunkins

----- Original Message ----- 
From: "Victor Lazzarini" 
To: "Art Hunkins" ; "Developer discussions" 

Sent: Tuesday, February 19, 2008 10:29 AM
Subject: Re: [Cs-dev] bformdec / bformenc angles & manual


> as far as I can see in the code, these lines are correct, but I am asking
> really if anyone doesn't think so. Then the manual should be updated.
>
> The bug in bformdec is that it's not working at all, but I think I got a 
> fix
> and we'll make sure 5.08 has it.
>
> Victor
>
> At 15:18 19/02/2008, you wrote:
>>I very much would like clarification of this issue; code and manual should
>>be technically correct and in agreement.
>>
>>And, Victor, if anything has changed since you last advised me on these
>>opcodes, I'd appreciate your further comments (if and when appropriate). 
>>As
>>you may recall, I revised three of my compositions to be in line with your
>>recommendations.
>>
>>I certainly recall that the manual description did not at all correspond 
>>to
>>what I needed to do to make these opcodes "work." At the same time, I am 
>>not
>>averse to redoing my .csd's if code bugs need fixing.
>>
>>Art Hunkins
>>
>>----- Original Message -----
>>From: "Victor Lazzarini" 
>>To: "Developer discussions" 
>>Sent: Tuesday, February 19, 2008 9:50 AM
>>Subject: [Cs-dev] bformdec / bformenc angles & manual
>>
>>
>> > As far as I can see, the expected format for angles in
>> > bformenc  is counterclockwise, starting from the right (0),
>> > as the X direction is cos(A)cos(E)  and Y is sin(A)cos(E).
>> >
>> > If  we say hard right, then cos(0) = 1 and sin(0) = 1 looks
>> > the right coefficients to me, for the X and Y directions. Then
>> > front cos(90) = 0 and sin(90) = 1 also do.
>> >
>> > The manual says angles are *clockwise*, but as far as I can see
>> > the code uses the conventions above. I expect the manual to
>> > be wrong. Can anyone confirm/correct this?
>> >
>> > Now, as far as bformdec is concerned, I see a similar thing. The
>> > coefficients for say, 8-channel ring are for angles (described
>> > correctly in the manual) increasing counterclockwise from the
>> > right. But as the manual does not say anything, we are left wondering.
>> > So can this be confirmed and the manual updated?
>> >
>> > Also, have these opcodes been fixed? I have fixed them locally,
>> > but did not commit, as they are not my code. Should I do so?
>> >
>> > Thanks
>> >
>> > Victor
>> >
>> >
>> >
>> > Victor Lazzarini
>> > Music Technology Laboratory
>> > Music Department
>> > National University of Ireland, Maynooth
>> >
>> >
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>
> Victor Lazzarini
> Music Technology Laboratory
> Music Department
> National University of Ireland, Maynooth
> 


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