Add ply plugin import option for transformation

blender_ply_imp_changes.patch

diff --git a/io_mesh_ply/__init__.py b/io_mesh_ply/__init__.py
index a3f08ebd..a456bac6 100644
--- a/io_mesh_ply/__init__.py
+++ b/io_mesh_ply/__init__.py
@@ -55,7 +55,7 @@ from bpy_extras.io_utils import (
     orientation_helper,
 )
 
-
+@orientation_helper(axis_forward='Y', axis_up='Z')
 class ImportPLY(bpy.types.Operator, ImportHelper):
     """Load a PLY geometry file"""
     bl_idname = "import_mesh.ply"
@@ -79,10 +79,17 @@ class ImportPLY(bpy.types.Operator, ImportHelper):
 
     filename_ext = ".ply"
     filter_glob: StringProperty(default="*.ply", options={'HIDDEN'})
+    global_scale: FloatProperty(
+        name="Scale",
+        min=0.01,
+        max=1000.0,
+        default=1.0,
+    )
 
     def execute(self, context):
         import os
         from . import import_ply
+        from mathutils import Matrix
 
         context.window.cursor_set('WAIT')
 
@@ -91,11 +98,16 @@ class ImportPLY(bpy.types.Operator, ImportHelper):
             for name in self.files
         ]
 
+        global_matrix = axis_conversion(
+                from_forward=self.axis_forward,
+                from_up=self.axis_up,
+            ).to_4x4() @ Matrix.Scale(self.global_scale, 4)
+
         if not paths:
             paths.append(self.filepath)
 
         for path in paths:
-            import_ply.load(self, context, path)
+            import_ply.load(self, context, path, global_matrix)
 
         context.window.cursor_set('DEFAULT')
 
diff --git a/io_mesh_ply/import_ply.py b/io_mesh_ply/import_ply.py
index d9d12d67..bd5abade 100644
--- a/io_mesh_ply/import_ply.py
+++ b/io_mesh_ply/import_ply.py
@@ -428,7 +428,7 @@ def load_ply_mesh(filepath, ply_name):
     return mesh
 
 
-def load_ply(filepath):
+def load_ply(filepath, global_matrix=None):
     import time
     import bpy
 
@@ -436,6 +436,8 @@ def load_ply(filepath):
     ply_name = bpy.path.display_name_from_filepath(filepath)
 
     mesh = load_ply_mesh(filepath, ply_name)
+    if global_matrix is not None:
+        mesh.transform(global_matrix)
     if not mesh:
         return {'CANCELLED'}
 
@@ -452,5 +454,5 @@ def load_ply(filepath):
     return {'FINISHED'}
 
 
-def load(operator, context, filepath=""):
-    return load_ply(filepath)
+def load(operator, context, filepath="", global_matrix=None):
+    return load_ply(filepath, global_matrix)