[Bf-committers] PyNodes branch merge

[Lukas Tönne]

Made a temporary wiki page to collect API changes. Is there a
preferred place to put this other than my personal pages?

http://wiki.blender.org/index.php/User:Phonybone/Python_Nodes/API_changes

On Mon, Mar 18, 2013 at 5:35 PM, Lukas Tönne <lukas.toenne at gmail.com> wrote:
> It's finally happening, "PyNodes" branch (aka "custom nodes") ready
> for merge into trunk.
>
> PyNodes opens up the node system in Blender to scripters and adds a
> number of UI-level improvements.
>
> === Dynamic node type registration ===
> Node types can now be added at runtime, using the RNA registration
> mechanism from python. This enables addons such as render engines to
> create a complete user interface with nodes.
>
> Examples of how such nodes can be defined can be found in my personal
> wiki docs atm [1] and as a script template in
> release/scripts/templates_py/custom_nodes.py [2].
>
> === Node group improvements ===
> Each node editor now has a tree history of edited node groups, which
> allows opening and editing nested node groups. The node editor also
> supports pinning now, so that different spaces can be used to edit
> different node groups simultaneously. For more ramblings and rationale
> see (really old) blog post on code.blender.org [3].
>
> The interface of node groups has been overhauled. Sockets of a node
> group are no longer displayed in columns on either side, but instead
> special input/output nodes are used to mirror group sockets inside a
> node tree. This solves the problem of long node lines in groups and
> allows more adaptable node layout. Internal sockets can be exposed
> from a group by either connecting to the extension sockets in
> input/output nodes (shown as empty circle) or by adding sockets from
> the node property bar in the "Interface" panel. Further details such
> as the socket name can also be changed there.
>
>
> For the next release (2.67) i will update the official wiki pages as
> well. The wiki node docs are totally outdated anyway (still on 2.49
> level in many parts). I'd like to make a general section about common
> node editor tools. Docs about the python API and registration should
> probably go to the bpy reference docs as examples [4]
>
> Please report any possible bugs you encounter to the bug tracker [5].
>
> Regards,
> Lukas Tönne
>
>
> [1] http://wiki.blender.org/index.php/User:Phonybone/Python_Nodes
> [2] http://projects.blender.org/scm/viewvc.php/trunk/blender/release/scripts/templates_py/custom_nodes.py?view=markup&root=bf-blender
> [3] http://code.blender.org/index.php/2012/01/improving-node-group-interface-editing/
> [4] http://www.blender.org/documentation/blender_python_api_2_66a_release/bpy.types.NodeTree.html
> [5] http://projects.blender.org/tracker/?atid=498&group_id=9&func=browse