From 0eb092985f81c6b85dffc0b56a32a109b9c00cf8 Mon Sep 17 00:00:00 2001
From: sbh <sergey.belash@opencascade.com>
Date: Fri, 17 Apr 2015 18:38:35 +0300
Subject: [PATCH] Issue #473 register plane equation attributes as
 non-obligatory

---
 src/ConstructionPlugin/ConstructionPlugin_Plane.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/ConstructionPlugin/ConstructionPlugin_Plane.cpp b/src/ConstructionPlugin/ConstructionPlugin_Plane.cpp
index c206ff4d5..13ae2b36d 100644
--- a/src/ConstructionPlugin/ConstructionPlugin_Plane.cpp
+++ b/src/ConstructionPlugin/ConstructionPlugin_Plane.cpp
@@ -13,6 +13,8 @@
 #include <ModelAPI_ResultConstruction.h>
 #include <ModelAPI_AttributeIntArray.h>
 #include <ModelAPI_AttributeString.h>
+#include <ModelAPI_Session.h>
+#include <ModelAPI_Validator.h>
 #include <GeomAlgoAPI_FaceBuilder.h>
 
 #include <GeomAPI_Pnt2d.h>
@@ -32,6 +34,11 @@ void ConstructionPlugin_Plane::initAttributes()
   data()->addAttribute(ConstructionPlugin_Plane::B(),  ModelAPI_AttributeDouble::typeId());
   data()->addAttribute(ConstructionPlugin_Plane::C(),  ModelAPI_AttributeDouble::typeId());
   data()->addAttribute(ConstructionPlugin_Plane::D(),  ModelAPI_AttributeDouble::typeId());
+
+  ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), ConstructionPlugin_Plane::A());
+  ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), ConstructionPlugin_Plane::B());
+  ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), ConstructionPlugin_Plane::C());
+  ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), ConstructionPlugin_Plane::D());
 }
 
 void ConstructionPlugin_Plane::execute()
-- 
2.39.2