[Bf-python] Exporting multiple scenes
Brecht Van Lommel
brechtvanlommel at pandora.be
Fri Jan 27 18:33:16 CET 2012
Hi,
I think Sergey might have actually fixed this issue in latest svn, you
could try using a build from here:
http://builder.blender.org/
This scripts works for me now, while it didn't in the 2.61 release:
import bpy
act_ob = bpy.context.active_object
act_scene = bpy.context.scene
for scene in bpy.data.scenes:
bpy.context.screen.scene = scene
for ob in scene.objects:
scene.objects.active = ob
if ob.type == 'MESH':
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.mesh.quads_convert_to_tris()
bpy.ops.object.mode_set(mode='OBJECT')
bpy.context.screen.scene = act_scene
act_scene.objects.active = act_ob
On Fri, Jan 27, 2012 at 4:54 PM, John Villar
<johnvillarzavatti at gmail.com> wrote:
> Hello, everyone, i'm currently working on my own format's exporter, and have
> been stumbling upon the same block for some months now (i asked here about
> this some time ago but no response worked correctly).
>
> My current exporter can succesfully export Single-scened files, multi-scene
> files are a real problem, because i cannot enter edit mode of my
> "non-current" scenes.
>
> Namely, i iterate over each scene like this:
>
>>> arr_tmp = []
>>>
>>> for sce in bpy.data.scenes:
>>>
>>> bpy.context.screen.scene = sce
>>>
>>>
>>> if bpy.ops.screen.frame_jump.poll():
>>>
>>> bpy.ops.screen.frame_jump()
>>>
>>> arr_tmp.append(export_scene_json(sce, export_binary))
>>>
>>> else:
>>>
>>> raise Exception("Couldn't poll frame_jump")
>
>
> And it works flawlessly, but then, inside "export_scene_json" when i iterate
> over the objects an triangulate them, it cannot set the edit mode of the
> objects because it cannot poll "bpy.ops.object.mode_set".
>
> I suppose this is because it is the second scene and blender hasn't set the
> current scene yet when i try to mode_set the objects.
>
> Is there a way i can solve this? Does blender have a function like "wait for
> the new scene to be settled" or something?
>
> I'm pulling out my hair here so please, bear with me :(
>
> John Villar
> Cell: (058)(416)926.86.45
>
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