Scene split and json export

0.5.0

- feat: add a render operator that render all scene
- feat: split selected object to a separated scene
- feat: crop border to objects
- feat: export AE position coordinates to replace layers
- change: ops gp.clean_compo_tree now take context.scene
- fix: tick `use_compositing` and untick `sequencer` in new scenes

CHANGELOG.md

@@ -14,6 +14,14 @@ Activate / deactivate layer opaticty according to prefix
 Activate / deactivate all masks using MA layers
 -->
 
+0.5.0
+
+- feat: add a render operator that render all scene
+- feat: split selected object to a separated scene
+- feat: crop border to objects
+- feat: export AE position coordinates to replace layers
+- change: ops gp.clean_compo_tree now take context.scene
+- fix: tick `use_compositing` and untick `sequencer` in new scenes
 
 0.4.1
 

OP_add_layer.py

@@ -89,9 +89,29 @@ class GPEXP_OT_add_objects_to_render(bpy.types.Operator):
 
         return {"FINISHED"}
 
+
+class GPEXP_OT_split_to_scene(bpy.types.Operator):
+    bl_idname = "gp.split_to_scene"
+    bl_label = "Split Objects To Scene"
+    bl_description = "Take selected objects and send them to separate scene"
+    bl_options = {"REGISTER"}
+
+    @classmethod
+    def poll(cls, context):
+        return context.object and context.object.type == 'GPENCIL'
+
+    mode : bpy.props.StringProperty(default='ALL', options={'SKIP_SAVE'})
+
+    def execute(self, context):
+        fn.split_object_to_scene()
+        return {"FINISHED"}
+
+
+
 classes=(
 GPEXP_OT_add_layer_to_render,
 GPEXP_OT_add_objects_to_render,
+GPEXP_OT_split_to_scene,
 )
 
 def register(): 

OP_clean.py

@@ -98,11 +98,12 @@ class GPEXP_OT_clean_compo_tree(bpy.types.Operator):
         # box.prop(self, 'fo_clear_disconnected')
 
     def execute(self, context):        
-        render = bpy.data.scenes.get('Render')
-        if not render:
-            print('SKIP, no Render scene')
-            return {"CANCELLED"}
-        
+        # render = bpy.data.scenes.get('Render')
+        # if not render:
+        #     print('SKIP, no Render scene')
+        #     return {"CANCELLED"}
+        render = context.scene
+
         nodes = render.node_tree.nodes
         if self.clear_unused_view_layers:
             used_rlayer_names = [n.layer for n in nodes if n.type == 'R_LAYERS']

OP_crop_to_object.py

@@ -0,0 +1,51 @@
+import bpy
+from . import fn
+
+class GPEXP_OT_set_crop_from_selection(bpy.types.Operator):
+    bl_idname = "gp.set_crop_from_selection"
+    bl_label = "Set Crop"
+    bl_description = "Automatic set crop from selection"
+    bl_options = {"REGISTER"}
+
+    @classmethod
+    def poll(cls, context):
+        return True
+
+    def execute(self, context):
+        scn = context.scene
+        fn.set_box_from_selected_objects(scn=scn, cam=scn.camera)
+        scn.render.use_border = True
+        scn.render.use_crop_to_border = True
+        return {"FINISHED"}
+
+class GPEXP_OT_export_crop_coord_to_json(bpy.types.Operator):
+    bl_idname = "gp.export_crop_coord_to_json"
+    bl_label = "Set Crop"
+    bl_description = "Export json of all scenes borders (when enabled)" # Automatic set crop from selection
+    bl_options = {"REGISTER"}
+
+    @classmethod
+    def poll(cls, context):
+        return True
+
+    def execute(self, context):
+        # scn = context.scene
+        # if not scn.render.use_border or not scn.render.use_crop_to_border:
+        #     self.report({'ERROR'}, 'Current scene have cropping disabled or use crop_to_border disabled!')
+        #     return {'CANCELLED'}
+        fn.export_crop_to_json()
+        return {"FINISHED"}
+
+
+classes=(
+GPEXP_OT_set_crop_from_selection,
+GPEXP_OT_export_crop_coord_to_json,
+)
+
+def register(): 
+    for cls in classes:
+        bpy.utils.register_class(cls)
+
+def unregister():
+    for cls in reversed(classes):
+        bpy.utils.unregister_class(cls)

OP_render_scenes.py

@@ -0,0 +1,47 @@
+import bpy
+from . import fn
+from time import time
+
+class GPEXP_OT_render_all_scenes(bpy.types.Operator):
+    bl_idname = "gp.render_all_scenes"
+    bl_label = "Render all scenes"
+    bl_description = "Render all scene except Render"
+    bl_options = {"REGISTER"}
+
+    @classmethod
+    def poll(cls, context):
+        return True
+
+    def execute(self, context):
+        start = time()
+        ct = 0
+        for scn in bpy.data.scenes:
+            if scn.name == 'Scene':
+                continue
+            if not scn.use_nodes:
+                continue
+            if not [n for n in scn.node_tree.nodes if n.type == 'OUTPUT_FILE' and n.mute]:
+                # skip if no fileout
+                print(f'\n -!-> Skip {scn.name}, No output file, or all muted')
+                continue
+            
+            print(f'\n --> Rendering {scn.name}')
+            # bpy.context.window.scene = scn
+            bpy.ops.render.render(animation=True, scene=scn.name)
+            ct += 1
+
+        print(f'\nDone. {ct} scenes rendered in {time()-start:.2f}s')
+        return {"FINISHED"}
+
+
+classes=(
+GPEXP_OT_render_all_scenes,
+)
+
+def register(): 
+    for cls in classes:
+        bpy.utils.register_class(cls)
+
+def unregister():
+    for cls in reversed(classes):
+        bpy.utils.unregister_class(cls)

README.md

@@ -6,7 +6,7 @@
 - on renaming, correct also names in GP modifiers !!!
 - opt: multi-merge : also merge merged NG automatically disabling AA without group (or externalise AA node ?)
 - opt : How to disable main output
-
+- To add : Reconnect inside nodegroup for nodes when using clean nodes
 
 ## Done
 - set exlude VL on non-used layers

__init__.py

@@ -2,7 +2,7 @@ bl_info = {
     "name": "GP Render",
     "description": "Organise export of gp layers through compositor output",
     "author": "Samuel Bernou",
-    "version": (0, 4, 1),
+    "version": (0, 5, 0),
     "blender": (2, 93, 0),
     "location": "View3D",
     "warning": "",
@@ -17,6 +17,8 @@ from . import OP_clean
 from . import OP_connect_toggle
 from . import OP_manage_outputs
 from . import OP_scene_switch
+from . import OP_crop_to_object
+from . import OP_render_scenes
 # from . import OP_check_layer_status
 from . import OP_render_pdf
 from . import prefs
@@ -37,6 +39,8 @@ def register():
     OP_merge_layers.register()
     OP_manage_outputs.register()
     OP_scene_switch.register()
+    OP_crop_to_object.register()
+    OP_render_scenes.register()
     # OP_check_layer_status.register()
     OP_render_pdf.register()
     OP_setup_layers.register()
@@ -51,6 +55,8 @@ def unregister():
     OP_setup_layers.unregister()
     # OP_check_layer_status.unregister()
     OP_render_pdf.unregister()
+    OP_render_scenes.unregister()
+    OP_crop_to_object.unregister()
     OP_scene_switch.unregister()
     OP_manage_outputs.unregister()
     OP_merge_layers.unregister()

fn.py

@@ -1,10 +1,12 @@
+from typing import Coroutine
 import bpy
 import re
 from mathutils import Vector
 from pathlib import Path
 from math import isclose
 from collections import defaultdict
-
+from time import time
+import json
 
 def create_node(type, tree=None, **kargs):
     '''Get a type, a tree to add in, and optionnaly multiple attribute to set
@@ -112,6 +114,8 @@ def set_settings(scene=None):
     scene.eevee.taa_render_samples = 1
     scene.grease_pencil_settings.antialias_threshold = 0
     scene.render.film_transparent = True
+    scene.render.use_compositing = True
+    scene.render.use_sequencer = False
     scene.view_settings.view_transform = 'Standard'
     
     scene.render.resolution_percentage = 100
@@ -119,10 +123,41 @@ def set_settings(scene=None):
     # output (fast write settings since this is just to delete afterwards...)
     scene.render.filepath = '//render/preview/preview_'
     scene.render.image_settings.file_format = 'JPEG'
-    scene.render.image_settings.color_mode = 'BW'
+    scene.render.image_settings.color_mode = 'RGB'
     scene.render.image_settings.quality = 0
 
 
+def new_scene_from(name, src_scn=None, regen=True, crop=True, link_cam=True, link_light=True):
+    '''Get / Create a scene from name and source scene to get settings from'''
+    scn = bpy.data.scenes.get(name)
+    if scn and not regen:
+        return scn
+    elif scn and regen:
+        bpy.data.scenes.remove(scn)
+
+    src_scn = src_scn or bpy.context.scene # given scene, or active scene
+    scn = bpy.data.scenes.new(name)
+    ## copy original settings over to new scene
+    # copy_settings(current, scn) # BAD
+    for attr in ['frame_start', 'frame_end', 'frame_current', 'camera', 'world']:
+        setattr(scn, attr, getattr(src_scn, attr))
+    copy_settings(src_scn.render, scn.render)
+    
+    ## link cameras (and lights ?)
+    for ob in src_scn.objects:
+        if link_cam and ob.type == 'CAMERA':
+            scn.collection.objects.link(ob)
+        if link_light and ob.type == 'LIGHT':
+            scn.collection.objects.link(ob)
+
+    # set adapted render settings (no AA)
+    set_settings(scn)
+    
+    if crop:
+        scn.render.use_border = True
+        scn.render.use_crop_to_border = True
+    scn.use_nodes = True
+    return scn
 
 def get_render_scene():
     '''Get / Create a scene named Render'''
@@ -677,4 +712,345 @@ def show_message_box(_message = "", _title = "Message Box", _icon = 'INFO'):
     
     if isinstance(_message, str):
         _message = [_message]
-    bpy.context.window_manager.popup_menu(draw, title = _title, icon = _icon)
+    bpy.context.window_manager.popup_menu(draw, title = _title, icon = _icon)
+
+
+def get_bbox_3d(ob):
+    bbox_coords = ob.bound_box
+    return [ob.matrix_world @ Vector(b) for b in bbox_coords]
+
+def get_crop_pixel_coord(scn):
+    # width height probably not needed. might need 
+    px_width = (scn.render.border_max_x - scn.render.border_min_x) * scn.render.resolution_x
+    px_height = (scn.render.border_max_y - scn.render.border_min_y) * scn.render.resolution_y
+    
+    pos_x = (scn.render.border_min_x + ((scn.render.border_max_x - scn.render.border_min_x) / 2)) * scn.render.resolution_x
+
+    ## coord y > image center coord from bottom-left (Blender)
+    # pos_y = (scn.render.border_min_y + ((scn.render.border_max_y - scn.render.border_min_y) / 2)) * scn.render.resolution_y,
+    
+    ## image center coord from top-left (AE)
+    pos_y = ((1 - scn.render.border_max_y) + ((scn.render.border_max_y - scn.render.border_min_y) / 2)) * scn.render.resolution_y
+
+    coord = {
+        'position_x' : round(pos_x),
+        'position_y' : round(pos_y),
+        'width' : round(px_width),
+        'height' : round(px_height),
+    }
+    return coord
+
+def export_crop_to_json():
+    '''Export crop to json coords for AE
+    '''
+    
+    blend = Path(bpy.data.filepath)
+    json_path = blend.parent / 'render' / f'{blend.stem}.json' #f'{ob.name}.json'
+
+    ## per scene : json_path = Path(bpy.data.filepath).parent / 'render' / f'{scn.name}.json'
+    # json_path = Path(bpy.data.filepath).parent / 'render' / f'{scn.name}.json' #f'{ob.name}.json'
+    
+    coord_dic = {}
+    
+    for scn in bpy.data.scenes:
+        # if scn.name in {'Scene', 'Render'}:
+        if scn.name == 'Scene':
+            continue
+        if scn.render.use_border:
+            scn_border = get_crop_pixel_coord(scn)
+            for ob in [o for o in scn.objects if o.type == 'GPENCIL']:
+                coord_dic[ob.name] = scn_border
+
+    # save bbox
+    with json_path.open('w') as fd:
+        json.dump(coord_dic, fd, indent='\t')
+    
+    print(f'coord saved at: {json_path}')
+    return coord_dic
+
+def set_border_region_from_coord(coords, scn=None, margin=30, export_json=True):
+    '''Get a list of point coord in worldcamera view space (0 to 1) on each axis'''
+
+    scn = scn or bpy.context.scene
+    
+    coords2d_x = sorted([c[0] for c in coords])
+    coords2d_y = sorted([c[1] for c in coords])
+
+    margin_width = margin / scn.render.resolution_x
+    margin_height = margin / scn.render.resolution_y
+    
+    # set crop
+    scn.render.border_min_x = coords2d_x[0] - margin_width
+    scn.render.border_max_x = coords2d_x[-1] + margin_width
+
+    scn.render.border_min_y = coords2d_y[0] - margin_height
+    scn.render.border_max_y = coords2d_y[-1] + margin_height
+
+    ## get clamped relative value
+    # relative_bbox2d_coords = [
+    # (scn.render.border_min_x, scn.render.border_min_y),
+    # (scn.render.border_min_x, scn.render.border_max_y),
+    # (scn.render.border_max_x, scn.render.border_max_y),
+    # (scn.render.border_max_x, scn.render.border_min_y),
+    # ]
+
+    pixel_bbox2d_coords = [
+    (scn.render.border_min_x*scn.render.resolution_x, scn.render.border_min_y*scn.render.resolution_y),
+    (scn.render.border_min_x*scn.render.resolution_x, scn.render.border_max_y*scn.render.resolution_y),
+    (scn.render.border_max_x*scn.render.resolution_x, scn.render.border_max_y*scn.render.resolution_y),
+    (scn.render.border_max_x*scn.render.resolution_x, scn.render.border_min_y*scn.render.resolution_y),
+    ]
+    # if export_json:
+    #     export_crop_to_json(scn)
+    return pixel_bbox2d_coords
+
+
+def get_gp_box_all_frame(ob, cam=None):
+    '''set crop to object bounding box considering whole animation. Cam should not be animated (render in bg_cam)
+    return 2d bbox in pixels 
+    '''
+    from bpy_extras.object_utils import world_to_camera_view
+    coords_cam_list = []
+    scn = bpy.context.scene
+    cam = cam or scn.camera
+    start = time()
+    
+    if ob.animation_data and ob.animation_data.action: # use frame set on all frames
+        print(f'{ob.name} has anim')
+        # frame_nums = sorted(list(set([f.frame_number for l in ob.data.layers if len(l.frames) for f in l.frames if len(f.strokes) and scn.frame_start <= f.frame_number <= scn.frame_end])))        
+        for num in range(scn.frame_start, scn.frame_end+1):
+            scn.frame_set(num)
+            for l in ob.data.layers:
+                if l.hide or l.opacity == 0.0:
+                    continue
+                if l.active_frame:
+                    for s in l.active_frame.strokes:
+                        if len(s.points) == 1: # skip isolated points
+                            continue
+                        coords_cam_list += [world_to_camera_view(scn, cam, ob.matrix_world @ p.co) for p in s.points]
+    else:
+        # if object is not animated no need to frame_set to update object position
+        print(f'{ob.name} no anim')
+        for l in ob.data.layers:
+            if l.hide or l.opacity == 0.0:
+                continue
+            for f in l.frames:
+                if not (scn.frame_start <= f.frame_number <= scn.frame_end):
+                    continue
+                for s in f.strokes:
+                    if len(s.points) == 1: # skip isolated points
+                        continue
+                    coords_cam_list += [world_to_camera_view(scn, cam, ob.matrix_world @ p.co) for p in s.points]
+    
+    print(time() - start) # Dbg-time
+    return coords_cam_list
+
+def has_anim(ob):
+    # TODO make a better check (check if there is only one key in each channel, count as not animated)
+    return ob.animation_data and ob.animation_data.action
+
+def get_gp_box_all_frame_selection(oblist=None, scn=None, cam=None):
+    '''
+    get points of all selection
+    return 2d bbox in pixels 
+    '''
+
+    from bpy_extras.object_utils import world_to_camera_view
+
+    coords_cam_list = []
+    scn = scn or bpy.context.scene
+    oblist = oblist or [o for o in scn.objects if o.select_get()]
+
+    cam = cam or scn.camera
+    start = time()
+    
+    if any(has_anim(ob) for ob in oblist):
+        print(f'at least one is animated: {oblist}')
+        for num in range(scn.frame_start, scn.frame_end+1):
+            scn.frame_set(num)
+            for ob in oblist:
+                for l in ob.data.layers:
+                    if l.hide or l.opacity == 0.0:
+                        continue
+                    if not l.active_frame:
+                        continue
+                    for s in l.active_frame.strokes:
+                        if len(s.points) == 1: # skip isolated points
+                            continue
+                        coords_cam_list += [world_to_camera_view(scn, cam, ob.matrix_world @ p.co) for p in s.points]
+    else:
+        print(f'No anim')
+        for ob in oblist:
+            # if object is not animated no need to frame_set to update object position
+            for l in ob.data.layers:
+                if l.hide or l.opacity == 0.0:
+                    continue
+                for f in l.frames:
+                    if not (scn.frame_start <= f.frame_number <= scn.frame_end):
+                        continue
+                    for s in f.strokes:
+                        if len(s.points) == 1: # skip isolated points
+                            continue
+                        coords_cam_list += [world_to_camera_view(scn, cam, ob.matrix_world @ p.co) for p in s.points]
+    
+    print(f'{len(coords_cam_list)} gp points listed {time() - start:.1f}s')
+    return coords_cam_list
+
+def get_bbox_2d(ob, cam=None):
+    from bpy_extras.object_utils import world_to_camera_view
+    scn = bpy.context.scene 
+    cam = cam or scn.camera
+    coords2d = [world_to_camera_view(scn, cam, p) for p in get_bbox_3d(ob)]        
+    coords2d_x = sorted([c[0] for c in coords2d])
+    coords2d_y = sorted([c[1] for c in coords2d])
+
+    bbox2d_coords = [
+        (coords2d_x[0], coords2d_y[0]),
+        (coords2d_x[0], coords2d_y[-1]),
+        (coords2d_x[-1], coords2d_y[-1]),
+        (coords2d_x[-1], coords2d_y[0]),
+        ]
+
+    return [Vector(b) for b in bbox2d_coords]
+
+
+def set_box_from_selected_objects(scn=None, cam=None, export_json=False):
+    scn = scn or bpy.context.scene 
+    cam = cam or scn.camera
+    
+    selection = [o for o in scn.objects if o.select_get()] # selected_objects
+    coords = get_gp_box_all_frame_selection(oblist=selection, scn=scn, cam=cam)
+    _bbox_px = set_border_region_from_coord(coords, margin=30, scn=scn, export_json=export_json)
+
+
+def get_collection_childs_recursive(col, cols=[]):
+    '''return a list of all the sub-collections in passed col'''
+    for sub in col.children:
+        if sub not in cols:
+            cols.append(sub)
+        if len(sub.children):
+            cols = get_collection_childs_recursive(sub, cols)
+    return cols
+
+def unlink_objects_from_scene(oblist, scn):
+    all_col = [scn.collection]
+    all_col += get_collection_childs_recursive(scn.collection)
+    for col in all_col:
+        for ob in reversed(col.objects):
+            if ob in oblist:
+                col.objects.unlink(ob)
+
+def remove_scene_nodes_by_obj_names(scn, name_list, negative=False):
+    for n in reversed(scn.node_tree.nodes):
+        if negative:
+            if (n.parent and n.parent.label not in name_list) or (n.type == 'FRAME' and n.label not in name_list):
+                scn.node_tree.nodes.remove(n)
+        else:
+            if (n.parent and n.parent.label in name_list) or (n.type == 'FRAME' and n.label in name_list):
+                scn.node_tree.nodes.remove(n)
+
+def split_object_to_scene():
+    '''Create a new scene from object selection'''
+
+    active = bpy.context.object
+    scene_name = active.name
+    objs = [o for o in bpy.context.selected_objects]
+    
+    if bpy.data.scenes.get(scene_name):
+        print(f'Scene "{scene_name}" Already Exists')
+        raise Exception(f'Scene "{scene_name}" Already Exists')
+
+    src = bpy.context.scene
+
+    bpy.ops.scene.new(type='LINK_COPY')
+    new = bpy.context.scene
+    new.name = scene_name
+
+    ## unlink unwanted objects from collection
+    all_col = [new.collection]
+    all_col += get_collection_childs_recursive(new.collection)
+    for col in all_col:
+        for sob in reversed(col.objects):
+            if sob.type in ('CAMERA', 'LIGHT'):
+                continue
+            if sob not in objs:
+                col.objects.unlink(sob)
+    
+    frame_names = [n.label for n in new.node_tree.nodes if n.type == 'FRAME' if new.objects.get(n.label)]
+    remove_scene_nodes_by_obj_names(new, frame_names, negative=True)
+
+    bpy.ops.gp.clean_compo_tree()
+
+    # add crop
+    new.render.use_border = True
+    new.render.use_crop_to_border = True
+    new.render.use_compositing = True
+    new.render.use_sequencer = False
+
+    ## remove asset from original scene
+    #src_frame_names = [n.label for n in src.node_tree.nodes if n.type == 'FRAME' and n.label in [o.name for o in objs]]
+    #remove_scene_nodes_by_obj_names(src, src_frame_names)        
+    remove_scene_nodes_by_obj_names(src, frame_names, negative=False)
+
+    # unlink objects ?
+    unlink_objects_from_scene(objs, src)
+
+    # border to GP objects of the scene
+    gp_objs = [o for o in new.objects if o.type == 'GPENCIL']
+    coords = get_gp_box_all_frame_selection(oblist=gp_objs, scn=new, cam=new.camera)
+    set_border_region_from_coord(coords, margin=30, scn=new, export_json=True)
+
+    export_crop_to_json()
+
+
+"""
+def split_object_to_scene():
+    '''Create a new scene from selection'''
+
+    # send objects in a new render scene
+    ## define new scene name with active object names
+    active = bpy.context.object
+    scene_name = active.name
+    objs = [o for o in bpy.context.selected_objects]
+    
+    rd_scn = bpy.data.scenes.get('Render')
+    ## create scene and copy settings from render scene or current
+    # src_scn = bpy.data.scenes.get('Render')
+    # src_scn = src_scn or bpy.context.scene
+    # if src_scn.name == scene_name:
+    #     print('! Problem ! Trying to to create new render scene without source')
+    #     return
+
+
+    ## From current scene (might be Render OR Scene)
+    src_scn = bpy.context.scene
+
+    new = new_scene_from(scene_name, src_scn=src_scn, regen=True) # crop=True, link_cam=True, link_light=True
+
+    for ob in objs:
+        new.collection.objects.link(ob)
+        if ob.type == 'GPENCIL':
+        # recreate VL
+            vl_names = [l.viewlayer_render for l in ob.data.layers if l.viewlayer_render]
+            for names in vl_names:
+                new.view_layers.new(names)
+        # get_set_viewlayer_from_gp(ob, l, scene=new)
+
+
+def set_crop_bbox_2d(ob, cam=None):
+    '''Basic crop using bouding box on current frame'''
+    from bpy_extras.object_utils import world_to_camera_view
+
+    scn = bpy.context.scene 
+    cam = cam or scn.camera
+    # bbox = [ob.matrix_world @ Vector(b) for b in bbox_coords]
+    coords2d = [world_to_camera_view(scn, cam, p) for p in get_bbox_3d(ob)]
+        
+    coords2d_x = sorted([c[0] for c in coords2d])
+    coords2d_y = sorted([c[1] for c in coords2d])
+    scn.render.border_min_x = coords2d_x[0]
+    scn.render.border_max_x = coords2d_x[-1]
+    scn.render.border_min_y = coords2d_y[0]
+    scn.render.border_max_y = coords2d_y[-1]
+    return
+"""

ui.py

@@ -118,6 +118,16 @@ class GPEXP_PT_gp_node_ui(Panel):
             col.operator('gp.clear_render_tree', icon='X', text='Clear Framed Nodes')
         col.operator('gp.clear_render_tree', icon='X', text='Clear & Delete Render Scene').mode = "COMPLETE"
 
+        layout.separator()
+        layout.label(text='Sub Scenes:')
+        layout.operator('gp.split_to_scene', icon='DUPLICATE', text='Split To Scene')
+
+        row = layout.row(align=True)
+        row.operator('gp.set_crop_from_selection', icon='CON_OBJECTSOLVER', text='Set Crop')
+        row.operator('gp.export_crop_coord_to_json', icon='FILE', text='Export json')
+
+        layout.operator('gp.render_all_scenes', icon='RENDER_ANIMATION', text='Render All Sub-Scene')
+
         layout.prop(prefs, 'advanced', text='Show Advanced Options')
         # layout.operator('gp.add_object_to_render', icon='RENDERLAYERS', text='Layer To Render').mode = 'ALL'
         # layout.operator('gp.add_object_to_render', icon='RENDERLAYERS', text='Layer To Render').mode = 'SELECTED'