From ecc8ba57ac21f4f6a382edf1a992d39055dc911b Mon Sep 17 00:00:00 2001
From: Abdullah Tahiri <abdullah.tahiri.yo@gmail.com>
Date: Mon, 26 Dec 2016 19:42:57 +0100
Subject: [PATCH] Sketcher: Arc Of Hyperbola - Delete unused internal geometry
 on deletion

---
 src/Mod/Sketcher/App/SketchObject.cpp | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/Mod/Sketcher/App/SketchObject.cpp b/src/Mod/Sketcher/App/SketchObject.cpp
index cc145662c..3a0b94a6c 100644
--- a/src/Mod/Sketcher/App/SketchObject.cpp
+++ b/src/Mod/Sketcher/App/SketchObject.cpp
@@ -3153,8 +3153,10 @@ int SketchObject::DeleteUnusedInternalGeometry(int GeoId)
     
     const Part::Geometry *geo = getGeometry(GeoId);            
     // Only for supported types
-    if(geo->getTypeId() == Part::GeomEllipse::getClassTypeId() || geo->getTypeId() == Part::GeomArcOfEllipse::getClassTypeId()) {
-       
+    if( geo->getTypeId() == Part::GeomEllipse::getClassTypeId() || 
+	geo->getTypeId() == Part::GeomArcOfEllipse::getClassTypeId() ||
+	geo->getTypeId() == Part::GeomArcOfHyperbola::getClassTypeId()) {
+
         int majorelementindex=-1;
         int minorelementindex=-1;
         int focus1elementindex=-1;
@@ -3168,12 +3170,15 @@ int SketchObject::DeleteUnusedInternalGeometry(int GeoId)
             {
                 switch((*it)->AlignmentType){
                     case Sketcher::EllipseMajorDiameter:
+		    case Sketcher::HyperbolaMajor:			
                         majorelementindex=(*it)->First;
                         break;
                     case Sketcher::EllipseMinorDiameter:
+		    case Sketcher::HyperbolaMinor:
                         minorelementindex=(*it)->First;
                         break;
-                    case Sketcher::EllipseFocus1: 
+                    case Sketcher::EllipseFocus1:
+		    case Sketcher::HyperbolaFocus:	    
                         focus1elementindex=(*it)->First;
                         break;
                     case Sketcher::EllipseFocus2: