Re: [ROOT] Graphical layers

From: Brett Viren (bv@bnl.gov)
Date: Mon Mar 12 2001 - 16:03:09 MET


Yes, I'll work on this in the context of the app I am designing.  From
your message, it sounds like all the support needed is already in ROOT
so maybe what is needed is just to implement a Layers dialog box in a
generally useful fashion.  I'll speak up again when I have something.

Thanks,
-Brett.

Rene Brun writes:
 > Hi Brett,
 > 
 > This kind of extensions could be easily added.
 > Could you come with a proposal of the kind of services you would like to see?
 > Currently you can change the stacking order , add, remove a pad quite easily
 > by getting a pointer to the parent pad, say ppad, and use the functions
 > in the collection classes to Add, Remove, AddBefore,After, Last into 
 > ppad->GetListOfPrimitives();
 > 
 > Rene Brun
 > 
 > 
 > Brett Viren wrote:
 > > 
 > > Hi,
 > > 
 > > Is there any support in ROOT for graphical ``Layers''.
 > > 
 > > As I understand it there is already support for overlaying TPads
 > > (right?).  So what would be need is a management layer which lets one
 > > control which layers are currently visible, the stacking order, which
 > > layers get events, etc.
 > > 
 > > If you have ever used the Layers dialog box in Dia or the Gimp or
 > > other such apps, this is what I mean.
 > > 
 > > -Brett.



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