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On Thu, 2008-02-21 at 12:24 -0700, James Bigler wrote:
  

On Feb 21, 2008, at 12:20 PM, Li-Ta Lo wrote:

    

Hi,

I am not so sure if I understand it right. Is Manta::Group designed in
according to the Composite design pattern? I mean Manta:Group is a
container for subclasses of Manta:Object and it can also recursively
contain instances of itself?
      

I'm not sure what you mean by Composite design pattern, but think of  
Group as a bucket of Objects, where any action that you can do on an  
object is performed sequentially on all Objects in the Group.

    

What operations can we "do" to the Manta::Objects? I can't find
a method/class that can do something like translate/rotate an 
Manta::Object.

Ollie