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Object Relationships
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Object Relationships // New Users
Post by Steinie // Jun 6, 2007, 1:23am
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Steinie
Total Posts: 3667
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I'm not sure if this is a problem but strange things are happening and your answers might help. Answer with one of the following what you think the relationship would be in each case Answer either 1) None 2) Sibling 3) Child
1) I create a sphere and immediately create another on top of it.
2) I create a sphere and unselect sphere. Create second sphere.
3) I create a sphere and make a copy of sphere.
4) What is the relationship between hair and the sphere it was created on?
Based on your answer I will submit the strange scenario. |
Post by TheWickedWitchOfTheWeb // Jun 6, 2007, 1:52am
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TheWickedWitchOfTheWeb
Total Posts: 858
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Not what it would be, but what it should be in a logical world:
1) None
2) None
3) None
4) Sibling or Child - glued, sorry, encapsulated, in some fashion |
Post by Steinie // Jun 6, 2007, 3:07am
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Steinie
Total Posts: 3667
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Well those relationships don't appear to be the case in workSpace TS 7.5. Not at my home computer but it appears there is a Sibling relationship being created in a lot of the cases I gave as example.
Something to play with:
Create sphere and assign physical attribute. Play animation. Try to add Hair to sphere. Play Animation again. Keep first sphere on screen and create a new second Sphere. Add hair to second Sphere. What happens to first sphere? Try to enter point edit mode. Make copy of second sphere and modify it.
Another test:
Create a sphere now put a sphere on top but smaller(like an eye on a head), copy the smaller sphere and move to left. Can you cycle each sphere? Are they numbered correctly? Can you grab eye 1 and move. Can you grab eye 2 and move?
Any odd behaviors? |
Post by TomG // Jun 6, 2007, 5:04am
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TomG
Total Posts: 3397
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I can confirm by looking in the LE that the relationships for the first three are "none" - all objects are separate and unrelated in those cases (
1) I create a sphere and immediately create another on top of it.
2) I create a sphere and unselect sphere. Create second sphere.
3) I create a sphere and make a copy of sphere.
)
Hair is a different issue from regular object creation however. Adding hair to an object with phys attr is likely to be odd - the hair will not have phys attr as it was created after it the phys attr was assigned to the object. Apply phys attr AFTER creation of hair, and animation plays normally here.
"Keep first sphere on screen and create a new second Sphere. Add hair to second Sphere. What happens to first sphere?"
Nothing, if I add phys attr after the hair to the first sphere. Hair works on both spheres.
"Create a sphere now put a sphere on top but smaller(like an eye on a head), copy the smaller sphere and move to left. Can you cycle each sphere? Are they numbered correctly? Can you grab eye 1 and move. Can you grab eye 2 and move?"
Can you cycle each sphere? - I can, yes
Are they numbered correctly? - Yes, I get "Sphere" "Sphere,1" and "Sphere,2"
Can you grab eye 1 and move. Can you grab eye 2 and move? - Yes to both of these.
What is it you are seeing in these last cases? What do you see in the LE too? Seems like you are seeing something that is different from what I am seeing here!
HTH!
Tom |
Post by stan // Jun 6, 2007, 5:39am
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stan
Total Posts: 1240
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Steinie, don't know if this has anything to do with it,but might..you can set primitives to sibling or union on the preferences panel for primitives
copying creates identical names like sphere, 2 and sphere,2..not very practical :confused: |
Post by Steinie // Jun 6, 2007, 6:04am
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Steinie
Total Posts: 3667
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Thanks Tom, Stan and Witch!
I'll look at my settings tonight but I have obvious problems and could be user error.
On three different occasions my primitives have reacted differently then I would expect. Tom's and Witches results are what I would expect but not what I'm seeing. Somewhere my setting must be wrong.
This is just one example of what I saw. I created a sphere and assigned physical attributes to it. I right mouse clicked on the sphere using the drop down option I selected velocity over in the Stack. I played the results and the sphere moved. Then I thought let me add hair to the Sphere and tried but nothing happened. I created a second sphere (not using copy) and the second I released the mouse button I had two spheres (original and newly created second sphere) both with hair!
Two days ago I created a head, created an eye, ( I may have created hair here) copied the eye and moved it into other position. Went back to first eye and right clicked on it. Both the head and the first eye went into point edit mode. The head was named Sphere 3 not Sphere 1. Somehow the head and first eye related.
Stan's findings might be the key on some of this. |
Post by TomG // Jun 6, 2007, 7:11am
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TomG
Total Posts: 3397
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Keep us updated so we can get to the bottom of it for you!
BTW some things that might be relevant
1. Creating a new object while PE is active on another object DOES embed the second object into a hierarchy with the first. This is deliberate and is a feature. It could be that at some point eg when creating your eyes, you were indeed in PE when you added a new object.
2. Could be with the hair that the hair tool was active when you added a new object. Not sure what happens at that point. Also note I only tested "Add object, add hair, add phys attributes, add new object" and have not yet tested "add object, add phys attributes, add hair, add new object" - maybe the order of things makes a difference there.
Thanks for the info and do keep reporting in with your findings :)
HTH!
Tom |
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