 | | | constraint orientations | constraint orientations 2004-03-23 - By Graham D Clark
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>On another side note, the ori constraint isn't always predictable when
using compensation. A Pose Constraint with compensation IS though.
except on some things,
like for example,
a pose cns on a master of rig null, if upvectors are used in your rig.
the upvs often do not get their ori transforms considered properly as
master null moves towards degree between 0,90,180 etc.
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http://www.grahamdclark.com <http://www.grahamdclark.com/>
-- --Original Message-- --
From: owner-xsi@(protected) [mailto:owner-xsi@(protected)] On Behalf
Of Rafe Sacks
Sent: March 22, 2004 10:13 PM
To: XSI@(protected)
Subject: Re: constraint orientations
I could be wrong on this, but I think the constraints use the transform
object to process the results. You can find it in the scripting
reference docs.
On a side note, plotting isn't always perfect. You have to be very
careful of what you give plot.
On another side note, the ori constraint isn't always predictable when
using compensation. A Pose Constraint with compensation IS though.
-Rafe
Carl Callewaert wrote:
-They are both objects with no parents. So, global or local
doesn't matter.
-Constraint Orientation, i am interested in the Math behind it.Yes,
maybe it is with to do with quaternionsspace?
-- --Original Message-- --
From: Martin Matzeder - electricpuppet
To: XSI@(protected)
Sent: 3/22/2004 3:23 AM
Subject: Re: constraint orientations
one thing to add: if You need the same fcurves, they have to share the
same parent, but then You can copy the fcurves, if they do not share the
same parent, it may help You to set expressions on the euler values (
object1.xrot = object2.xrot)
Martin
Martin Matzeder - electricpuppet wrote:
Not sure about this, but I guess that the rotations are converted from
Euler to quaternionsspace and then shifted to the contrained object.
So some fcurves can differ but You can not have any problems with
mixing contraints in the mixer.
If I'm wrong please correct me
cheers Martin
Carl Callewaert wrote:
Where can I find the math behind constraint orientations?
I find it really interesting, as the f-curves are not always
the same if you plot on object that has constraint orientations.
I notice that plotting of an object with constraint orientations is
not the
same as plotting the object which has expressions of rx = rx of the
another
of object (the same of ry and rz.)
Can somebody explain the math behind this?
carl
-- --Original Message-- --
From: Andy Wolf [mailto:xsi@(protected)]
Sent: Sunday, March 21, 2004 4:33 PM
To: XSI@(protected)
Subject: Re: Illustrator CS .eps File Problems
There should be an option to save the file as version 7 or 8...
Marc Trzepla wrote:
Logos we get from clients made in Illustrator CS (11?) saved as .eps
files seem to choke XSI - XSI just flat out and out crashes. There
isn't a "make okay for older versions" chooser in the saveout
dialogue box so we can't even open the files in older Illustrator
apps (sigh, the good old days like version 7.0 ... sniff) to save
them from there. (File, Save As, .eps ...)
Anyone else having a problem with Ill CS .eps files?
Any workarounds?
marc
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<DIV><SPAN class=225585311-23032004><FONT face=Arial color=#0000ff
size=2>><FONT face="Times New Roman" color=#000066 size=3>On another side
note, the ori constraint isn't always predictable when using compensation. A
Pose Constraint with compensation IS though.</FONT><BR>except on some things,
</FONT></SPAN></DIV>
<DIV><SPAN class=225585311-23032004><FONT face=Arial color=#0000ff size=2>like
for example, </FONT></SPAN></DIV>
<DIV><SPAN class=225585311-23032004><FONT face=Arial color=#0000ff size=2>a
pose
cns on a master of rig null, if upvectors are used in your
rig.</FONT></SPAN></DIV>
<DIV><SPAN class=225585311-23032004><FONT face=Arial color=#0000ff size=2>the
upvs often do not get their ori transforms considered properly as master
null moves towards degree between 0,90,180 etc.</FONT></SPAN></DIV>
<DIV><SPAN class=225585311-23032004></SPAN>-- ---- ---- ---- ---- ---- --</DIV>
<DIV><A
href="http://www.grahamdclark.com/">http://www.grahamdclark.com</A></DIV>
<DIV class=Section1>
<P class=MsoNormal><?xml:namespace prefix = o ns =
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<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><FONT
face=Tahoma size=2>-- --Original Message-- --<BR><B>From:</B>
owner-xsi@(protected) [mailto:owner-xsi@(protected)] <B>On Behalf Of
</B>Rafe Sacks<BR><B>Sent:</B> March 22, 2004 10:13 PM<BR><B>To:</B>
XSI@(protected)<BR><B>Subject:</B> Re: constraint
orientations<BR><BR></FONT></DIV><FONT color=#000066>I could be wrong on this
,
but I think the constraints use the transform object to process the results.
You can find it in the scripting reference docs. <BR><BR>On a side note,
plotting isn't always perfect. You have to be very careful of what you give
plot. <BR><BR>On another side note, the ori constraint isn't always
predictable when using compensation. A Pose Constraint with compensation IS
though.<BR><BR>-Rafe<BR></FONT><BR><BR>Carl Callewaert wrote:<BR>
<BLOCKQUOTE cite=mid8C85B3287DC5EB44BC7F8E7EE1FE68B45C9985@(protected)
.com
type="cite"><PRE wrap="">-They are both objects with no parents. So, global
or local
doesn't matter.
-Constraint Orientation, i am interested in the Math behind it.Yes,
maybe it is with to do with quaternionsspace?
-- --Original Message-- --
From: Martin Matzeder - electricpuppet
To: <A class=moz-txt-link-abbreviated href="mailto:XSI@(protected)">XSI
@(protected)</A>
Sent: 3/22/2004 3:23 AM
Subject: Re: constraint orientations
one thing to add: if You need the same fcurves, they have to share the
same parent, but then You can copy the fcurves, if they do not share the
same parent, it may help You to set expressions on the euler values (
object1.xrot = object2.xrot)
Martin
Martin Matzeder - electricpuppet wrote:
</PRE>
<BLOCKQUOTE type="cite"><PRE wrap="">Not sure about this, but I guess that
the rotations are converted from
</PRE></BLOCKQUOTE><PRE wrap=""><!---->
</PRE>
<BLOCKQUOTE type="cite"><PRE wrap="">Euler to quaternionsspace and then
shifted to the contrained object.
So some fcurves can differ but You can not have any problems with
mixing contraints in the mixer.
If I'm wrong please correct me
cheers Martin
Carl Callewaert wrote:
</PRE>
<BLOCKQUOTE type="cite"><PRE wrap="">Where can I find the math behind
constraint orientations?
I find it really interesting, as the f-curves are not always
the same if you plot on object that has constraint orientations.
I notice that plotting of an object with constraint orientations is
not the
same as plotting the object which has expressions of rx = rx of the
another
of object (the same of ry and rz.)
Can somebody explain the math behind this?
carl
-- --Original Message-- --
From: Andy Wolf [<A class=moz-txt-link-freetext href="mailto:xsi@(protected)
.com">mailto:xsi@(protected)</A>]
Sent: Sunday, March 21, 2004 4:33 PM
To: <A class=moz-txt-link-abbreviated href="mailto:XSI@(protected)">XSI
@(protected)</A>
Subject: Re: Illustrator CS .eps File Problems
There should be an option to save the file as version 7 or 8...
Marc Trzepla wrote:
</PRE>
<BLOCKQUOTE type="cite"><PRE wrap="">Logos we get from clients made in
Illustrator CS (11?) saved as .eps
</PRE></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE><PRE wrap=""><!---->
</PRE>
<BLOCKQUOTE type="cite">
<BLOCKQUOTE type="cite">
<BLOCKQUOTE type="cite"><PRE wrap="">files seem to choke XSI - XSI just
flat out and out crashes. There
isn't a "make okay for older versions" chooser in the saveout
dialogue box so we can't even open the files in older Illustrator
apps (sigh, the good old days like version 7.0 ... sniff) to save
them from there. (File, Save As, .eps ...)
Anyone else having a problem with Ill CS .eps files?
Any workarounds?
marc
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Get tax tips, tools and access to IRS forms – all in one place at
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