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Re: Final attempt regarding core data / opengl...
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Re: Final attempt regarding core data / opengl...


  • Subject: Re: Final attempt regarding core data / opengl...
  • From: goessly <email@hidden>
  • Date: Tue, 13 Sep 2005 11:16:00 +0200

I'm looking for a way to create an interface, that tells my drawing
routine, what kind of primitive to display; based on data from the
current document. It's entries are tagged scene-graph style, i.e.: '
"document entry #12" is the root-element of the scene, has the n
child-nodes and is to be displayed as a cube at the following
coordinates...'


Ok ... well it's not really Cocoa specific then.
I still think it is.

If you already have a document format then it isn't a CoreData app.
I've defined my format in an xcode-datamodel and use the cocoa-core- data-doc-based-app-template; I use a nstreecontroller for controlling the doc's entities, and try everything else to be a good cocoa-citizen.

That said and with
appologies to mmalc (who'd *super* hate it if he knew I knew it was
off topic :) ) ...
I can assure you: there's no need to apologize; since we are not of topic here.

You need a node class for your scene graph. [...] Thats the basic idea.
Oh my, I wonder whether I still wasn't clear enough.

If you're confused
by this explanation you should checkout www.opengl.org and track down
the NeHe OpenGL tutorials.
You're right, those are pretty helpful, though not new to me.

Anyway, beyond basically saying what Cocoa can't do for you out of the
box you'll need to look elsewhere for more in depth help.
I might have to agree with you on the latter part of this sentence. I know what Cocoa / Core Data can do for me here; that's why I chose to use it; what I don't quite get is how to overload / override parts of predefined classes... oh, never mind.

Thanks anyway; Guy, I just can't convey my point, it seems.

cya;
goessly
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  • Follow-Ups:
    • Re: Final attempt regarding core data / opengl...
      • From: Kay Roepke <email@hidden>
References: 
 >Final attempt regarding core data / opengl... (From: goessly <email@hidden>)
 >Re: Final attempt regarding core data / opengl... (From: goessly <email@hidden>)
 >Re: Final attempt regarding core data / opengl... (From: Guy English <email@hidden>)

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