(#166) WIP: Preliminary geometry functions starting to get in place

ApplicationCode/ModelVisualization/RivCrossSectionGeometryGenerator.h

@@ -0,0 +1,62 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) Statoil ASA
+//  Copyright (C) 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 "cvfObject.h"
+#include "cvfVector3.h"
+#include "cvfArray.h"
+
+#include <vector>
+
+class RigMainGrid;
+
+
+namespace cvf
+{
+    class ScalarMapper;
+    class DrawableGeo;
+}
+
+
+class RivCrossSectionGeometryGenerator : public cvf::Object
+{
+public:
+    RivCrossSectionGeometryGenerator(const std::vector<cvf::Vec3d> &polyline, 
+                                     const cvf::Vec3d& extrusionDirection, 
+                                     const RigMainGrid* grid );
+
+    ~RivCrossSectionGeometryGenerator();
+
+    void textureCoordinates(cvf::Vec2fArray* textureCoords,  
+        const cvf::ScalarMapper* mapper, size_t scalarResultIndex) const;
+
+    // Mapping between cells and geometry
+    cvf::ref<cvf::Array<size_t> >   triangleToCellIndex() const;
+
+    // Generated geometry
+    cvf::ref<cvf::DrawableGeo>    generateSurface();
+    cvf::ref<cvf::DrawableGeo>    createMeshDrawable();
+private:
+    void calculateArrays();
+
+    std::vector<cvf::Vec3d> m_triangleVxes;
+    std::vector<size_t>     m_triangleToCellIdxMap;
+
+};
+