[vtkusers] Multiple Transformation

[Wenlong Wang]

Hi Dženan,

Thank you for your reply. I think I get it.

Thank you very much.

Wenlong

2011/11/11 Dženan Zukić <dzenanz at gmail.com>

> From the docs <http://www.vtk.org/doc/nightly/html/classvtkTransform.html>I would say it concatenates. If you want to reset it just call Identity(),
> no need to delete.
>
> On Thu, Nov 10, 2011 at 18:20, Wenlong Wang <scc.wwl at gmail.com> wrote:
>
>> Dear all,
>>
>> I'm using vtkTransform to transform my actor. I have a question on this.
>>
>> If I do multiple transformation with the same vtkTransform object, would
>> these transformation concatenate? For example, if I translate my actor as
>> transform->Translate(10, 0), and then scale it again
>> transform->Translate(20, 0). Would the result actor be moved on X direction
>> by 30? What if the same situation happens in scale and rotate?
>>
>> If it does concatenate, and I don't want it to be concatenate, should I
>> delete the transform object and generate another one instead?
>>
>> Thank you very much.
>>
>> Best wishes
>> Long
>>
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