From 97f1bf5eceaf6c4ca5f5fa1ca8b8e0e270037bbd Mon Sep 17 00:00:00 2001
From: looooo <sppedflyer@gmail.com>
Date: Sat, 7 Sep 2019 20:22:04 +0200
Subject: [PATCH] add computed properties

---
 freecad/gears/features.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/freecad/gears/features.py b/freecad/gears/features.py
index 1537332..bf148d5 100644
--- a/freecad/gears/features.py
+++ b/freecad/gears/features.py
@@ -103,6 +103,7 @@ class involute_gear(object):
         obj.addProperty(
             "App::PropertyFloat", "head", "gear_parameter", "head_value * modul_value = additional length of head")
         obj.addProperty("App::PropertyPythonObject", "gear", "gear_parameter", "test")
+        obj.addProperty("App::PropertyFloat", "dw", "computed", "roll diameter", 1)
         obj.gear = self.involute_tooth
         obj.simple = False
         obj.undercut = False
@@ -158,6 +159,8 @@ class involute_gear(object):
             rw = fp.gear.dw / 2
             fp.Shape=Part.makeCylinder(rw,fp.height.Value)
 
+        fp.dw = fp.gear.dw
+
     def __getstate__(self):
         return None