In one of the previous posts I explained what I do to get proper relation
between parent and child and not to lose the position, rotation and scale of
the child at the moment of parenting.
The script that I use does this:
1. Stores the current world matrix of the child.
2. Makes parent without
Hi everyone,
I'd like to discuss the issue that I encounter every time I want to make a
simple parenting structure of objects:
Let's parent object A to object B.
Select A, then select B, and hit Ctl-P.
Here's what happens:
A didn't change its visual transformations, it stayed exactly where it
Maybe some way to display/tweak the local transform would solve this?
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From a user perspective I agree with your assertion.
For a possible solution I'd suggest something like a [Global | Local] switch in
the Transform dialog(s). That should be pretty universal.
I'm not sure if this is easily possible from the programming side though.
Best regards,
Martin
Hi Bartek,
there is a non-exposed(a shame!) feature in parenting routine:
For non-inverse-mode press Shift-Ctrl-P instead. This creates an
alternative parent-child-relationship where child-objects exist
entirely in parent coordinate system. This is the better choice for
CAD purposes for example.
oops, haven't read your post to the end
There is of-course the option to parent objects using Shift-Ctl-P. This creates
proper relation between A's transform properties and its visual
transformations,
but it as well moves A to B's location and it's not always the desired
result.
In order to get proper parenting I use a little script:
active = bpy.context.active_object
selected = boy.context.selected_objects
for c in selected:
if c =! active:
m = c.matrix_world
c.parent = active
c.matrix_world = m
This gives me
Yes, yes, I know… I made a mistake:
it should be:
if c != active:
:-)
Bartek Skorupa
www.bartekskorupa.com
On 21 wrz 2012, at 11:49, Bartek Skorupa (priv)
bartekskor...@bartekskorupa.com wrote:
In order to get proper parenting I use a little script:
active = bpy.context.active_object
What i would like to see here is stack based (modo) or nodal (maya) transforms-
that way you could:
expose inverse parent transform
get rid of hard coded dx dy dz transforms
expose constraint offset transforms, and simplify constraints
expose child of constraint
freeze transforms ala maya by
+1 to Bassam Kurdali's proposal :-)
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A transform stack has got my vote. :-)
Realistically that's probably still a ways off, though.
As for the current behaviour, if you:
ctrl p
then
ctrl alt p - clear inverse parent
i believe you'll have what you want. Not sure if there is an operator that
just does that
It wouldn't be hard
2012/9/21 Bassam Kurdali bas...@urchn.org:
As for the current behaviour, if you:
ctrl p
then
ctrl alt p - clear inverse parent
i believe you'll have what you want.
no, unfortunately not - it produces different results
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As for the current behaviour, if you:
ctrl p
then
ctrl alt p - clear inverse parent
i believe you'll have what you want.
no, unfortunately not - it produces different results
I roll it back
- this works!
but parenting with
shift ctrl p
produces not exactly what we (CAD people) need:
it
Ctl-Alt-P ??
When I hit it I get a warning: Can only make proxy for a referenced object or
group
What do I miss?
Bartek Skorupa
www.bartekskorupa.com
On 21 wrz 2012, at 17:06, Nathan Vegdahl ces...@cessen.com wrote:
A transform stack has got my vote. :-)
Realistically that's probably
no ctrl needed, it is alt p - clear inverse parent
2012/9/21 Bartek Skorupa (priv) bartekskor...@bartekskorupa.com:
Ctl-Alt-P ??
When I hit it I get a warning: Can only make proxy for a referenced object
or group
What do I miss?
___
many apologies
of course it's only alt-p the same hotkey for unparenting.
On Fri, 2012-09-21 at 20:37 +0200, Bartek Skorupa (priv) wrote:
Ctl-Alt-P ??
When I hit it I get a warning: Can only make proxy for a referenced object
or group
What do I miss?
Bartek Skorupa
Thank you.
However we are only half way there. It solves the major issue as we at least
don't have weird properties of the child.
The question still remains:
How to make a parent such that the child stays at it's current location,
rotation and scale, but the values of loc/rot/scale change.
This
I don't think it should happen by default. it could be especially nasty
for animation data, linked data, etc. Also it doesn't store as much
information (the relationship between child and parent at the time of
parenting) which could come in handy later. However, it is not hard to
do!
You need for
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