surfaceFeatureExtract: Refactored core line and edge functions corresponding classes

src/OpenFOAM/meshes/meshShapes/edge/edge.H

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -97,12 +97,15 @@ public:
         //- Return end vertex label
         inline label& end();
 
-        //- Given one vertex, return the other
-        inline label otherVertex(const label a) const;
+        //- Return true if connected to given edge
+        inline bool connected(const edge& a) const;
 
         //- Return common vertex
         inline label commonVertex(const edge& a) const;
 
+        //- Given one vertex, return the other
+        inline label otherVertex(const label a) const;
+
         //- Flip the edge in-place.
         inline void flip();
 

src/OpenFOAM/meshes/meshShapes/edge/edgeI.H

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -100,20 +100,21 @@ inline Foam::label& Foam::edge::end()
 }
 
 
-inline Foam::label Foam::edge::otherVertex(const label a) const
+inline bool Foam::edge::connected(const edge& a) const
 {
-    if (a == start())
+    if
+    (
+        start() == a.start()
+     || start() == a.end()
+     || end() == a.start()
+     || end() == a.end()
+    )
     {
-        return end();
-    }
-    else if (a == end())
-    {
-        return start();
+        return true;
     }
     else
     {
-        // The given vertex is not on the edge in the first place.
-        return -1;
+        return false;
     }
 }
 
@@ -136,6 +137,23 @@ inline Foam::label Foam::edge::commonVertex(const edge& a) const
 }
 
 
+inline Foam::label Foam::edge::otherVertex(const label a) const
+{
+    if (a == start())
+    {
+        return end();
+    }
+    else if (a == end())
+    {
+        return start();
+    }
+    else
+    {
+        // The given vertex is not on the edge in the first place.
+        return -1;
+    }
+}
+
 inline void Foam::edge::flip()
 {
     Swap(operator[](0), operator[](1));

src/OpenFOAM/meshes/primitiveShapes/line/line.H

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -130,6 +130,8 @@ public:
                 Point& edgePoint
             ) const;
 
+            bool insideBoundBox(const Point&) const;
+
 
     // Ostream operator
 

src/OpenFOAM/meshes/primitiveShapes/line/lineI.H

@@ -257,6 +257,23 @@ Foam::scalar Foam::line<Point, PointRef>::nearestDist
 }
 
 
+template<class Point, class PointRef>
+bool Foam::line<Point, PointRef>::insideBoundBox(const Point& p) const
+{
+    if
+    (
+        ( p.x() < min(a_.x(), b_.x()) || p.x() > max(a_.x(), b_.x()) )
+     || ( p.y() < min(a_.y(), b_.y()) || p.y() > max(a_.y(), b_.y()) )
+     || ( p.z() < min(a_.z(), b_.z()) || p.z() > max(a_.z(), b_.z()) )
+    )
+    {
+        return false;
+    }
+
+    return true;
+}
+
+
 // * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * * //
 
 template<class Point, class PointRef>