fix node coloring

OP_merge_layers.py

@@ -167,7 +167,7 @@ class GPEXP_OT_merge_selected_dopesheet_layers(bpy.types.Operator):
             rlayers.append(rl)
         
         color = None
-        if not any(isclose(i, 0.2, abs_tol=0.0001) for i in act.channel_color): # and bpy.context.preferences.edit.use_anim_channel_group_colors
+        if fn.has_channel_color(act): # and bpy.context.preferences.edit.use_anim_channel_group_colors
             color = act.channel_color
         merge_layers(rlayers, disconnect=self.disconnect, color=color)
 

fn.py

@@ -2,7 +2,7 @@ import bpy
 import re
 from mathutils import Vector
 from pathlib import Path
-
+from math import isclose
 from collections import defaultdict
 
 
@@ -21,8 +21,8 @@ def create_node(type, tree=None, **kargs):
 def new_aa_node(tree):
     '''create AA node'''
     aa = create_node('CompositorNodeAntiAliasing', tree) # type = ANTIALIASING
-    aa.threshold = 0.5
+    aa.threshold = 0.5 # 1.0
-    aa.contrast_limit = 0.5
+    aa.contrast_limit = 0.5 # 0.25
     aa.corner_rounding = 0.25
     aa.hide = True
     return aa
@@ -72,7 +72,7 @@ def get_render_scene():
         render = bpy.data.scenes.new('Render')
         ## copy original settings over to new scene
         # copy_settings(current, render) # BAD
-        for attr in ['frame_start', 'frame_end']:
+        for attr in ['frame_start', 'frame_end', 'frame_current', 'camera', 'world']:
             setattr(render, attr, getattr(current, attr))
         copy_settings(current.render, render.render)
         
@@ -82,8 +82,8 @@ def get_render_scene():
                 render.collection.objects.link(ob)
         
         # use same cam and world
-        render.camera = current.camera
+        # render.camera = current.camera
-        render.world = current.world
+        # render.world = current.world
 
         # set adapted render settings (no AA)
         set_settings(render)
@@ -523,6 +523,11 @@ def renumber_keep_existing(fo, offset=10):
         ct += offset
 
 
+def has_channel_color(layer):
+    '''Return True if gp_layer.channel_color is different than the default (0.2, 0.2, 0.2) '''
+    if not any(isclose(i, 0.2, abs_tol=0.001) for i in layer.channel_color):
+        return True
+
 ## confirm pop-up message:
 def show_message_box(_message = "", _title = "Message Box", _icon = 'INFO'):
     def draw(self, context):

gen_vlayer.py

@@ -285,6 +285,10 @@ def get_set_viewlayer_from_gp(ob, l, scene=None):
     
         cp = add_rlayer(vl_name, scene=scene, location=loc)
         cp.parent = frame
+        # use same color as layer
+        if fn.has_channel_color(l):
+            cp.use_custom_color = True
+            cp.color = l.channel_color
 
         connect_render_layer(cp, frame=frame)
 
@@ -301,6 +305,10 @@ def get_set_viewlayer_from_gp(ob, l, scene=None):
     if cp.layer != vl_name:
         print(f'problem with {cp}: {cp.layer} != {vl_name}')
         return
+    
+    if fn.has_channel_color(l):
+            cp.use_custom_color = True
+            cp.color = l.channel_color
 
     frame = [f for f in nodes if f.type == 'FRAME' and f.label == ob.name][0]
     rl_nodes = frame_dic[frame.label] # get nodes from