Re: [script] Creating relative values fcurve

Date : Mon, 30 Apr 2007 09:57:33 -0400
To : XSI(at)Softimage.COM
From : "Bernard Lebel" <3dbernard(at)gmail.com>
Subject : Re: [script] Creating relative values fcurve
Okay I tried it with the other possible tolerance value, -1. Same
result: the second key is at frame 1/value 1 instead of frame 25/value
1.



"The tolerance argument can be used to merge all keys within a certain
range. The range is defined as Frame - Tolerance and Frame +
Tolerance. The merged key inherits the constraints of the nearest key
within this range. "

I don't see how this description explains the result I'm getting.... :-(


Cheers Bernard




On 4/27/07, Bradley Gabe <withanar(at)stanwinston.com> wrote:

Bernard, not a showstopper. Check the documentation on the addkey() method and you'll see what's happening. The third parameter is for tolerance, which you have set to 0, and that forces the key to be set on exact frames.

 -Brad




Hello,

I'm running into this show-stopper.

I'm trying to re-create the fcurve of a relative value expression.
I create the expression, no problem at all.
Then I get its relative fcurve parameter, no problem.
Then I loop over a one dimensional array of time/value numbers, and
create the keyframes:


oFcurve.beginedit(); iLength = oFcurveKeys.length;

for( i = 0; i < iLength; i=i+2 ) {
 fTime = oFcurveKeys[i];
 fValue = oFcurveKeys[i+1];
 oFcurve.addkey( fTime, fValue, 0, true );
}

oFcurve.endedit();

(in this example I use a loop, but the SetKeys method gives the same
result I'm about to describe)


Now, I get all the keyframes. In this particular, I have two keyframes. The first one is all right. BUT the second one, for the life of me, refuses to be placed anywhere else than at frame 1.0.

If I then print its frame, it's the frame I specified (25, for
example). But in the animation editor, it's located at 1/1. Also, when
viewing its effect in viewport, I can *see* it's 1/1. Yet printing its
frame says 25.

ARGGGGHHHH


Any idea?


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