From 1132ba6b4a17b6acbd0ecf727ea455e0499fc7e2 Mon Sep 17 00:00:00 2001
From: azv <azv@opencascade.com>
Date: Wed, 14 Jun 2017 15:07:34 +0300
Subject: [PATCH] Issue #2190: Sketcher : 2 successive circles having the same
 center (the origin)

Improve calculating of intermediate circle if the center is coincident with another point.
---
 src/SketchPlugin/SketchPlugin_MacroCircle.cpp | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/SketchPlugin/SketchPlugin_MacroCircle.cpp b/src/SketchPlugin/SketchPlugin_MacroCircle.cpp
index c2c47a60e..2b6829c72 100644
--- a/src/SketchPlugin/SketchPlugin_MacroCircle.cpp
+++ b/src/SketchPlugin/SketchPlugin_MacroCircle.cpp
@@ -227,10 +227,15 @@ void SketchPlugin_MacroCircle::fillByCenterAndPassed()
   if (!aCenterAttr->isInitialized() || !aPassedAttr->isInitialized())
     return;
 
-  AttributeRefAttrPtr aPassedRef = refattr(PASSED_POINT_REF_ID());
   // Calculate circle parameters
-  std::shared_ptr<GeomAPI_Pnt2d> aCenter =
-      std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aCenterAttr)->pnt();
+  AttributeRefAttrPtr aCenterRef = refattr(CENTER_POINT_REF_ID());
+  std::shared_ptr<GeomAPI_Pnt2d> aCenter;
+  std::shared_ptr<GeomAPI_Shape> aCurve;
+  SketchPlugin_Tools::convertRefAttrToPointOrTangentCurve(
+      aCenterRef, aCenterAttr, aCurve, aCenter);
+  if (!aCenter)
+    aCenter = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aCenterAttr)->pnt();
+  AttributeRefAttrPtr aPassedRef = refattr(PASSED_POINT_REF_ID());
   std::shared_ptr<GeomAPI_Pnt2d> aPassedPoint;
   std::shared_ptr<GeomAPI_Shape> aTangentCurve;
   SketchPlugin_Tools::convertRefAttrToPointOrTangentCurve(
-- 
2.39.2