Strange. Could it be a emacs bug on my system? Is there any way for me to check?

Thanks

P

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On 3 May 2013 15:00, Stéphane Rollandin <lecteur@zogotounga.net> wrote:

f 2 0 16384 20 6

Attached is how it look on my system..

I don't know what is happening on yours, sorry

Stef

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I'm guessing whatever this is, is related to the code in csound-ft.el

Is there a simple method to test the 'display' code in this file? Probably there is an osx related issue here. If I could find out what is causing it, I'll file the right bug report to the right person.

Thanks

Peiman

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On 3 May 2013 15:02, peiman khosravi <peimankhosravi@gmail.com> wrote:

Strange. Could it be a emacs bug on my system? Is there any way for me to check?

Thanks

P

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On 3 May 2013 15:00, Stéphane Rollandin <lecteur@zogotounga.net> wrote:

f 2 0 16384 20 6

Attached is how it look on my system..

I don't know what is happening on yours, sorry

Stef

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I'm guessing whatever this is, is related to the code in csound-ft.el

Or in graphs.el

if you evaluate

(graphs-example-1)

in the scratch buffer, what do you get ? Attached is how it should look.

Stef

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What version of Csound are you using ?

Stef


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If you evaluate

(csft-get-ftable-vector "f 2 0 16384 20 6\n" 10)

do you get

[0.0 1e-005 0.00153 0.05613 0.48675 1.0 0.48675 0.05613 0.00153 1e-005]

?

Stef


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Ok now if you do

 (insert-plotting-area
  (let* ((fv (csft-get-ftable-vector "f 2 0 16384 20 6 \n" csft-width))
         (parea (make-plotting-area
                 csft-width csft-height
                 0 (* 1.01 csft-width)
                 (min -0.01 (* 1.01 (apply 'min (append fv nil))))
                 (* 1.01 (apply 'max (append fv nil))))))
      (plot-vector fv parea t)
      parea)
  csft-foreground csft-background 'csft-do-the-click)

do you see a nice gaussian bell ?

Stef



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Le 03/05/2013 17:37, peiman khosravi a écrit :

No, now it looks like a gaussian in a 4-dimensional space!

Ah. That's there then.

What happens if you remove all occurences of ".01" in the previous code ?

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Like this?

 (insert-plotting-area

  (let* ((fv (csft-get-ftable-vector "f 2 0 16384 20 6 \n" csft-width))

         (parea (make-plotting-area

                 csft-width csft-height

                 0 (* 1 csft-width)

                 (min -0 (* 1 (apply 'min (append fv nil))))

                 (* 1 (apply 'max (append fv nil))))))

      (plot-vector fv parea t)

      parea)

  csft-foreground csft-background 'csft-do-the-click)

The same as before. 

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On 3 May 2013 16:51, Stéphane Rollandin <lecteur@zogotounga.net> wrote:

Le 03/05/2013 17:37, peiman khosravi a écrit :

No, now it looks like a gaussian in a 4-dimensional space!

Ah. That's there then.

What happens if you remove all occurences of ".01" in the previous code ?

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The curve is there, but it is distorted: this seems more like a bad display problem, the two-dimensional vector data being forced into a rectangle of the wrong size. I would hint at a rounding error in function 'make-plotting-area in graphs.el

I'll have a look at this ASAP.

Stef

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Another blind test:

does

(let ((x 10))
  (incf x 5))

return 15 in your system ?

Stef


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I'm in the dark here since I cannot reproduce the error...

Let's try this:

first evaluate

(defun make-plotting-area (nx ny x0 x1 y0 y1)
  (let ((graph (let ((gv (make-vector ny nil)))
                 (dotimes (vline ny gv)
                   (aset gv vline (make-bool-vector nx t)))))
        (dx (/ (- x1 x0) (float nx)))
        (dy (/ (- y1 y0) (float ny))))
  `(plotting-area
    :width ,nx
    :height ,ny
    :graph ,graph
    :x0 ,x0
    :y0 ,y0
    :x1 ,x1
    :y1 ,y1
    :dx ,dx
    :dy ,dy
    :x (lambda (x) (+ ,x0 (* x ,dx)))
    :y (lambda (y) (+ ,y0 (* (- ,ny y) ,dy)))
    :nx (lambda (x) (floor (/ (- x ,x0) ,dx)))
    :ny (lambda (y) (floor (/ (- ,y1 y) ,dy)))
    :plot (lambda (x y)
            (condition-case nil
                (aset (aref ,graph (floor (/ (- ,y1 y) ,dy)))
                      (round (/ (- x ,x0) ,dx))
                      nil)
              (error nil)))
    :line (lambda (xa ya xb yb)
            (let* ((nxa (floor (/ (- xa ,x0) ,dx)))
                   (nya (floor (/ (- ,y1 ya) ,dy)))
                   (nxb (floor (/ (- xb ,x0) ,dx)))
                   (nyb (floor (/ (- ,y1 yb) ,dy)))
                   (mdn (max (abs (- nxb nxa)) (abs (- nyb nya)))))
              (if (<= mdn 1)
                  (condition-case nil
                      (aset (aref ,graph nya) nxa nil)
                    (error nil))
                (dotimes (n mdn)
                  (let ((px (+ nxa (floor (* n (/ (- nxb nxa) (float mdn))))))
                        (py (+ nya (floor (* n (/ (- nyb nya) (float mdn)))))))
                    (condition-case nil
                        (aset (aref ,graph py) px nil)
                      (error nil))))))))))

then do again

  (insert-plotting-area
   (let* ((fv (csft-get-ftable-vector "f 2 0 16384 20 6 \n" csft-width))
         (parea (make-plotting-area
                 csft-width csft-height

                 0 (* 1.01 csft-width)
                 (min -0.01 (* 1.01 (apply 'min (append fv nil))))
                 (* 1.01 (apply 'max (append fv nil))))))

       (plot-vector fv parea t)
       parea)
   csft-foreground csft-background 'csft-do-the-click)

do you still get the error ?

Stef


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Another blind test:

does

(let ((x 10))
  (incf x 5))

return 15 in your system ?

Stef


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Yes, this does print 15. 

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On 3 May 2013 18:16, Stéphane Rollandin <lecteur@zogotounga.net> wrote:

Another blind test:

does

(let ((x 10))
  (incf x 5))

return 15 in your system ?

Stef


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Ah nevermind, I see it's just the emacs python REPL running Csound
code, not a Csound REPL in and of itself.  That should be doable with
available Vim python plugins. :)

On Sun, May 5, 2013 at 10:46 PM, Steven Yi <stevenyi@gmail.com> wrote:
> Great video!  What did you use for the REPL backend to do evals?  I'd
> like to use it for Vim. :)
>
> On Sun, May 5, 2013 at 8:28 PM, Victor Lazzarini
> <Victor.Lazzarini@nuim.ie> wrote:
>> Here's my installment in this battle.
>>
>> http://www.youtube.com/watch?v=FDpm1KvnkBQ
>>
>> Long live emacs.
>>
>> Victor
>>
>> On 5 May 2013, at 17:10, Jacob Joaquin wrote:
>>
>> It's been awhile since I've read an epic vi vs. emacs thread. Crossing my
>> fingers this will escalate. :)
>>
>> Sent from my Tricorder
>>
>> On May 5, 2013, at 8:43 AM, Stéphane Rollandin <lecteur@zogotounga.net>
>> wrote:
>>
>> I have a confession to make! This is not a reflection on your amazing
>>
>> csound-x tools Stephane. It's just that after trying vim today, I'm
>>
>> really hooked on it. I find it more intuitive, so I think I'll stick
>>
>> with it. I feel like a traitor!
>>
>>
>> If I find you I'll scatter you into many small pieces. Otherwise, no hard
>> feeling :)
>>
>>
>> Stef
>>
>>
>>
>>
>>
>> Send bugs reports to the Sourceforge bug tracker
>>
>>          https://sourceforge.net/tracker/?group_id=81968&atid=564599
>>
>> Discussions of bugs and features can be posted here
>>
>> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe
>> csound"
>>
>>
>>
>>
>> Send bugs reports to the Sourceforge bug tracker
>>            https://sourceforge.net/tracker/?group_id=81968&atid=564599
>> Discussions of bugs and features can be posted here
>> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe
>> csound"
>>
>>
>> Dr Victor Lazzarini
>> Senior Lecturer
>> Dept. of Music
>> NUI Maynooth Ireland
>> tel.: +353 1 708 3545
>> Victor dot Lazzarini AT nuim dot ie
>>
>>
>>


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On 5 May 2013, at 22:07, luis jure wrote:

> it only lacks a decent text editor, though, otherwise it would be perfect.
> but emacs is very configurable, i'm sure you could manage to run vim from
> within emacs. that would be fantastic: all the power of emacs plus the
> greatest text editor in the universe...

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Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie