[Sidefx-houdini-list] H16 Constraint behavior
facialdeluxe at gmail.com
Thu Nov 2 08:44:32 EDT 2017
Hey tim, I received your mail.
If by any chance you find a way to send the rx ry rz from the Chop LookAt
to the SRT of the Object, I'd be interested.
Frankly, I navigate into the doc and various threads , but I'm unable to
solve this. And I don't get why it is so convoluted.
2017-11-02 13:03 GMT+01:00 Tim Bolland <Tim_Bolland at hotmail.co.uk>:
> Your not alone, I'm currently doing some rigging and using constraints
> such as look-at and I'm stumbling across a whole bunch of update/override
> issues. CHOPs seem to be very sensitive to what flags you use, for example
> the look-at doesn't set the export flag, which is why I think you don't get
> updated values in the SRT. I also noticed different behaviour when I had
> the render flag of something switched on, which makes no sense to me.
> I'm having a look to see if I can isolate the issues but things seem to
> change so much, and sometimes things do work.
> *From:* softimage-bounces at listproc.autodesk.com <
> softimage-bounces at listproc.autodesk.com> on behalf of Olivier Jeannel <
> facialdeluxe at gmail.com>
> *Sent:* 02 November 2017 07:29
> *To:* sidefx-houdini-list at sidefx.com; softimage at listproc.autodesk.com
> *Subject:* Re: H16 Constraint behavior
> The worst beeing if I middle clic on the object constrained, I can read
> some r(x,y,z) values that are the correct local rotation, I just don't know
> how to copy them back to the rx ry rz at object level :/
> 2017-11-02 7:57 GMT+01:00 Olivier Jeannel <facialdeluxe at gmail.com>:
> Hi there,
> I'm "discovering" the constraint behaviour in Houdini (never used it
> before whatever version).
> So, I'm using that new "LookAt" in the Constraint shelf and it builds that
> Chop constraint.
> Where I'm confused, is that while the geometry is aligned at SOP level (ie
> : faces prims are aligned), but in fact the Axis at Object level is not.
> I think this join this previous discussion (about parenting)
> This is confusing because you can no more transform object in local space
> (viewport manipulation).
> Or, for example, Constraint Lookup a Spot Light, and all the gizmo get off.
> But maybe I missed something obvious.
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