Fix incorrect orientation of external arc (issue #1687)

diff --git a/src/SketchPlugin/SketchPlugin_Arc.cpp b/src/SketchPlugin/SketchPlugin_Arc.cpp
index ea436960b1768d685158732ad2d56c9804d6f973..5eeb4d93403dee302666a9b8c4acf56d640a5f9c 100644 (file)
--- a/src/SketchPlugin/SketchPlugin_Arc.cpp
+++ b/src/SketchPlugin/SketchPlugin_Arc.cpp
@@ -365,6 +365,8 @@ void SketchPlugin_Arc::attributeChanged(const std::string& theID)
         double aStartAngle, aEndAngle;
         anEdge->getRange(aStartAngle, aEndAngle);
         data()->real(ANGLE_ID())->setValue(aEndAngle - aStartAngle);
+        myParamBefore = aEndAngle;
+        adjustPeriod(myParamBefore);
       }
     }
     return;