#5273 Allen Diagrams: Compute complete set of NNCs

Add class RigNncConnection
Implement algorithm to compute the complete set of Nncs

ApplicationCode/ReservoirDataModel/RigNncConnection.cpp

@@ -0,0 +1,39 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2020 Equinor ASA
+//
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+//
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#include "RigNncConnection.h"
+
+#include "cvfMath.h"
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+RigConnection::RigConnection()
+    : m_c1GlobIdx( cvf::UNDEFINED_SIZE_T )
+    , m_c1Face( cvf::StructGridInterface::NO_FACE )
+    , m_c2GlobIdx( cvf::UNDEFINED_SIZE_T )
+{
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+bool RigConnection::hasCommonArea() const
+{
+    return m_polygon.size() > 0;
+}