From: azv <azv@opencascade.com>
Date: Sat, 1 Apr 2017 13:50:54 +0000 (+0300)
Subject: Initialize parameter of SketchPlugin_Arc on execute() to avoid its reverting
X-Git-Tag: V_2.7.0~107
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=5778f7c42a66027e7dd2f0b967babb9e9b1111c0;p=modules%2Fshaper.git

Initialize parameter of SketchPlugin_Arc on execute() to avoid its reverting
---

diff --git a/src/SketchPlugin/SketchPlugin_Arc.cpp b/src/SketchPlugin/SketchPlugin_Arc.cpp
index 0dac256a8..ca7579d86 100644
--- a/src/SketchPlugin/SketchPlugin_Arc.cpp
+++ b/src/SketchPlugin/SketchPlugin_Arc.cpp
@@ -103,6 +103,12 @@ void SketchPlugin_Arc::execute()
       GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, anEnd, aStart, aNormal)
     : GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStart, anEnd, aNormal);
 
+  if (myParamBefore == 0) { // parameter has not been calculate yet
+    std::shared_ptr<GeomAPI_Circ2d> aCircleForArc(
+        new GeomAPI_Circ2d(aCenterAttr->pnt(), aStartAttr->pnt()));
+    aCircleForArc->parameter(anEndAttr->pnt(), paramTolerance, myParamBefore);
+  }
+
   std::shared_ptr<ModelAPI_ResultConstruction> aResult = document()->createConstruction(data(), 1);
   aResult->setShape(anArcShape);
   aResult->setIsInHistory(false);