 | | | avoiding using get value with python | avoiding using get value with python 2005-03-17 - By softimage@(protected)
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Well that's a two-fold problem in my experience:
First, there seem to be some flakyness with the way data is referenced in XSI's
Python implementation. Although you can get to basic properties like Name and
Fullname, as soon as you want other properties and traverse down an object you
have to explicitely "reget" the object.
Second, the ConstructionHistory is a can of worm if you ask me. Even the sdk
docs mentions its limitations in terms of iteration. Plus, ConstructionHistory
is subject to changes depending if the object is frozen or not.
Basically, in your iteration of the ConstructionHistory, to get around these two
problems you have to use the dictionary.getobject() method call on each operator
before starting to check their parameters.
Tonight I'll try to fork an example for you from my scripts.
Cheers
Bernard
Quoting benp <benp@(protected)>:
> mmm, exactly what i thought - xsi complainns that the com instance has
> no attribute "Parameters" ! In the example in my first post, i must
> surround
>
> oTo.ActivePrimitive.ConstructionHistory.Find("hairGenOp")
>
>
> with GetValue to get it to work. The above line returns an object
> Operator (according to ClassName()), but i cannot get to the
> Parameters.Or am i just very tired?
> Thanks heaps for the reply
> benp
>
> >
> >Cheers
> >Bernard
> >
> >
> >Quoting benp <benp@(protected)>:
> >
> >
> >
> >>hello xsiList!
> >>I haven't tried to get operator objects before, so this may be a larger
> >>problem than just using GetValue ...
> >>in python and with a hair object selected:
> >>oTo = Application.Selection(0)
> >>
> >>
> >>
>
>Application.GetValue(oTo.ActivePrimitive.ConstructionHistory.Find("hairGenOp")
).Parameters("EmitterMeshSubdlevel").Value
> >
> >
> >>= 0
> >>
> >>how can i avoid using GetValue to get the hairGenOp object properly?
> >>I often find i can't get objects without using GetValue.
> >>
> >>thanks list.
> >>
> >>
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> >>
> >>
> >>
> >
> >
> >
> >---
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