From 37fdcec6cf8211611fd998c5374a853d328d24eb Mon Sep 17 00:00:00 2001
From: wandererfan <wandererfan@gmail.com>
Date: Wed, 6 Nov 2019 12:54:30 -0500
Subject: [PATCH] [TD]ensure default edge avail for geom copy

---
 src/Mod/TechDraw/App/Geometry.cpp | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/Mod/TechDraw/App/Geometry.cpp b/src/Mod/TechDraw/App/Geometry.cpp
index cc8997fad18b..d6540062c738 100644
--- a/src/Mod/TechDraw/App/Geometry.cpp
+++ b/src/Mod/TechDraw/App/Geometry.cpp
@@ -127,6 +127,7 @@ BaseGeom::BaseGeom() :
     m_source(0),
     m_sourceIndex(-1)
 {
+    occEdge = TopoDS_Edge();
     cosmeticTag = std::string();
 }
 
@@ -145,9 +146,20 @@ BaseGeom* BaseGeom::copy()
             result->source(m_source);
             result->sourceIndex(m_sourceIndex);
             result->cosmeticTag = cosmeticTag;
-       }
+        }
+    } else {
+        result = new BaseGeom();
+        result->extractType = extractType;
+        result->classOfEdge = classOfEdge;
+        result->hlrVisible = hlrVisible;
+        result->reversed = reversed;
+        result->ref3D = ref3D;
+        result->cosmetic = cosmetic;
+        result->source(m_source);
+        result->sourceIndex(m_sourceIndex);
+        result->cosmeticTag = cosmeticTag;
     }
-    
+   
     return result;
 }