Bugs item #3517047, was opened at 2012-04-11 16:36
Message generated for change (Comment added) made by kukuschi
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Category: None
Group: None
Status: Closed
Resolution: Fixed
Priority: 5
Private: No
Submitted By: Kurt Kuschinski (kukuschi)
Assigned to: Nobody/Anonymous (nobody)
Summary: Manual for looptseg wrong

Initial Comment:
Hello,
wrong in the manuel;
ksig looptseg kfreq, ktrig, ktime0, kvalue0, ktype0, [, ktime1] [, kvalue1] [,ktype1] [, ktime2] [, kvalue2] [,ktype2] [...]
correct would be:
ksig looptseg kfreq, ktrig, ktime0, kvalue0 [,ktype1] [, ktime1] [, kvalue1] [,ktype2] [, ktime2] [, kvalue2] [...]

Greetings, Kurt


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Comment By: Kurt Kuschinski (kukuschi)
Date: 2012-04-13 14:23

Message:
also last or first value should ever be 0 as far as i can see, because they
are at the same time and so are added to each other (?). 

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Comment By: Kurt Kuschinski (kukuschi)
Date: 2012-04-13 14:19

Message:
Did a quick ugly sketch:
http://www.buchmaler.de/looptseg.jpg

Here one can see that there is no need for a ktype0 anywhere. (I I could do
o good illustration with a real example for the manual (am graphic
designer))

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Comment By: Kurt Kuschinski (kukuschi)
Date: 2012-04-13 13:25

Message:
Imho it would be better to let it like it is in csound and change it in
manual. The way you did it, the ktype0 has no effect because ktime0 is not
a duration but the starting time and so there is no curve to aply  ktype0
on (if i see it correct).
So maybe to make this even more clear one shoul do it maybe like this in
manual:

----
ksig looptseg kfreq, ktrig, kstart, kvalue0 [,ktype1] [, ktime1] [,
kvalue1] [,ktype2] [, ktime2] [, kvalue2] [...]

kstart start point of  loopcircle; expressed in fraction of cycle
 
ktime0...ktimeN -- Durations of parts between points; expressed in fraction
of a cycle. 

value0...kvalueN -- Values of points

ktype0...ktypeN -- shape of the envelope. If the value is 0 then the shap
eis linear; otherwise it is an concave exponential (positive type) or a
convex exponential (negative type). 
---
That is the way it works as far as i can tell from experimented a little
bit with is

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Comment By: Andres Cabrera (mantaraya36)
Date: 2012-04-13 02:03

Message:
Now fixed like this in git (Csound uses git instead of svn...):

ksig looptseg kfreq, ktrig, ktime0, kvalue0, ktype0, [, ktime1] [, kvalue1]
[,ktype1] \
      [, ktime2] [, kvalue2] [,ktype2] [...][, ktimeN] [, kvalueN]

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Comment By: Kurt Kuschinski (kukuschi)
Date: 2012-04-11 17:49

Message:
HA, no, my comment was wrong, sorry.

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Comment By: Kurt Kuschinski (kukuschi)
Date: 2012-04-11 17:39

Message:
Hmm, when thinking about it the whole opcode seems to be wrong, because it
is not possible to set the curveform (convex, linear, concav) for the first
segment. A work around is to make the first segment 0.0 cycles long. (Sorry
for my bad english)

----------------------------------------------------------------------

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