From 9cc29e1bf568321b19bcaa33ab2ff45d3b807edb Mon Sep 17 00:00:00 2001
From: nds <nds@opencascade.com>
Date: Tue, 29 Nov 2016 12:02:44 +0300
Subject: [PATCH] Issue #1781 Split circles into arcs leads to arcs with
 different centers

Additional case is to create Circle, Line, distance between the circle and the line. Create two coincident points on circle. Split circle. Previous result is that the distance is removed.
---
 .../SketchPlugin_ConstraintSplit.cpp             | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/SketchPlugin/SketchPlugin_ConstraintSplit.cpp b/src/SketchPlugin/SketchPlugin_ConstraintSplit.cpp
index 0023cc47b..b83431b19 100755
--- a/src/SketchPlugin/SketchPlugin_ConstraintSplit.cpp
+++ b/src/SketchPlugin/SketchPlugin_ConstraintSplit.cpp
@@ -48,6 +48,8 @@
 #include <iostream>
 #endif
 
+#define CIRCLE_FEATURE_DELETE_WITHOUT_REFERENCES
+
 static const double PI = 3.141592653589793238463;
 
 SketchPlugin_ConstraintSplit::SketchPlugin_ConstraintSplit()
@@ -93,6 +95,10 @@ void SketchPlugin_ConstraintSplit::execute()
   FeaturePtr aBaseFeature = ModelAPI_Feature::feature(aBaseObjectAttr->value());
   ResultPtr aBaseFeatureResult = getFeatureResult(aBaseFeature);
   std::set<FeaturePtr> aFeaturesToDelete, aFeaturesToUpdate;
+  #ifdef CIRCLE_FEATURE_DELETE_WITHOUT_REFERENCES
+  FeaturePtr aCircleFeatureToDelete;
+  #endif
+
   std::map<FeaturePtr, IdToPointPair> aTangentFeatures;
   std::map<FeaturePtr, IdToPointPair> aCoincidenceToFeature;
   getConstraints(aFeaturesToDelete, aFeaturesToUpdate, aTangentFeatures, aCoincidenceToFeature);
@@ -216,7 +222,12 @@ void SketchPlugin_ConstraintSplit::execute()
 
     updateRefFeatureConstraints(getFeatureResult(aBaseFeature), aRefsToFeature);
 
+    AttributePtr aCenterAttr = aCircleFeature->attribute(SketchPlugin_Circle::CENTER_ID());
+#ifdef CIRCLE_FEATURE_DELETE_WITHOUT_REFERENCES
+    aCircleFeatureToDelete = aCircleFeature;
+#else
     aFeaturesToDelete.insert(aCircleFeature);
+#endif
     // as circle is removed, temporary fill this attribute*/
     aBaseObjectAttr->setObject(ResultPtr());
   }
@@ -295,6 +306,11 @@ void SketchPlugin_ConstraintSplit::execute()
   }
 #endif
   ModelAPI_Tools::removeFeaturesAndReferences(aFeaturesToDelete);
+#ifdef CIRCLE_FEATURE_DELETE_WITHOUT_REFERENCES
+  std::set<FeaturePtr> aCircleFeatures;
+  aCircleFeatures.insert(aCircleFeatureToDelete);
+  ModelAPI_Tools::removeFeatures(aCircleFeatures, false);
+#endif
 
 #ifdef DEBUG_SPLIT
   std::cout << "update features after split:" << std::endl;
-- 
2.39.2