Merge pull request #108 from BigRoy/enhancement/alembic_exclude_hiera…

…rchy_ignore_children

Alembic exports: Fix parenting/ancestor relationship errors when include parent hierarchy is off

client/ayon_maya/plugins/publish/extract_pointcache.py

@@ -15,6 +15,7 @@
 from ayon_maya.api.alembic import extract_alembic
 from ayon_maya.api.lib import (
  get_all_children,
+ get_highest_in_hierarchy,
  iter_visible_nodes_in_range,
  maintained_selection,
  suspended_refresh,
@@ -129,7 +130,10 @@ def process(self, instance):
  # Set the root nodes if we don't want to include parents
  # The roots are to be considered the ones that are the actual
  # direct members of the set
- root = roots
+ # We ignore members that are children of other members to avoid
+ # the parenting / ancestor relationship error on export and assume
+ # the user intended to export starting at the top of the two.
+ root = get_highest_in_hierarchy(roots)
 
  kwargs = {
  "file": path,