(#266) Added geometry for grid box faces

Added legend lines and text

ApplicationCode/ModelVisualization/GridBox/RivPatchGenerator.h

@@ -0,0 +1,64 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2015-     Statoil ASA
+//  Copyright (C) 2015-     Ceetron Solutions AS
+// 
+//  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.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+
+#pragma once
+
+#include "cvfBase.h"
+#include "cvfVector3.h"
+
+#include <vector>
+
+namespace cvf
+{
+    class GeometryBuilder;
+}
+
+//==================================================================================================
+//
+// Generates 2D patches based on predefined coordinates along u and v axis
+// Inspired by cvf::PatchGenerator
+//
+//==================================================================================================
+class RivPatchGenerator
+{
+public:
+    RivPatchGenerator();
+
+    void    setOrigin(const cvf::Vec3d& origin);
+    void    setAxes(const cvf::Vec3d& axisU, const cvf::Vec3d& axisV);
+    void    setSubdivisions(const std::vector<double>& uValues, const std::vector<double>& vValues);
+
+    void    setQuads(bool useQuads);
+    void    setWindingCCW(bool windingCCW);
+
+    void    generate(cvf::GeometryBuilder* builder);
+
+private:
+    cvf::Vec3d   m_origin;       // Origin. Default (0, 0, 0)
+    cvf::Vec3d   m_axisU;        // First axis of patch. Default is global X-axis
+    cvf::Vec3d   m_axisV;        // Second axis of patch. Default is global Y-axis
+
+    std::vector<double> m_uValues;
+    std::vector<double> m_vValues;
+
+    bool    m_useQuads;     // If true, quads will be generated, otherwise triangles. Default is quads
+    bool    m_windingCCW;   // Winding of the generated quads. Controls which side of the patch will be front facing. 
+};
+