[Bf-committers] node size

[François T.]

Great thanks

2012/4/10 Lukas Tönne <lukas.toenne at googlemail.com>

> > Maybe I missed it, but I can't find a property which would be the size
> of a
> > node. That would be very helpful when scripting node to organize them.
> > Would it be possible to add it ?
>
> Indeed, these are missing in the API. See below [1] for a quick patch.
> We're at BCon 4 atm, so trunk will have to wait for two more weeks or
> so. Notes:
>





> * height doesn't have an effect in most nodes, since this is
> recalculated on drawing based on the number of inputs, extra buttons,
> etc. The "frame" node is currently the only one actually using a free
> height value.
> * width and height have fixed limits (type specific).
> * There are two separate width values ('width' and 'width_collapsed')
> used for the expanded/collapsed node display respectively.
> * Nodes Group node values currently also depend on their open/closed
> state (will change with the upcoming group nodes patch).
>
> > While I'm at it :
> > len(scene.node_tree.nodes['RGB'].outputs) = 1
> > len(scene.node_tree.nodes['RenderLayer'].outputs) = 28
> >
> > RGB which is a rgb input node return 1 output which is correct.
> > But the RenderLayer return 28 even if I only have one pass selected. Is
> > that normal or is it a "bug" ?
>
> Yes, the render layers node currently generates all possible render
> pass output sockets on creation, then just disables all but the used
> passes (SOCK_UNAVAIL flag in C). By now nodes can actually quite
> easily use real dynamic socket lists (file output node does this), so
> in the future this might change. Best way to handle this in the API
> would probably be to simply skip the disabled sockets, no use in
> actually including them in the collection.
>
> {1]
> http://www.pasteall.org/30800/diff
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-- 
____________________
François Tarlier
www.francois-tarlier.com
www.linkedin.com/in/francoistarlier