first commit for post-processing

- the whole structure is ready.
- next step whould be execute methods and then write methods
- post-processing after simulation is not started yet.

src/PostProcessData/region/regionPoints/lineRegionPoints.hpp

@@ -0,0 +1,100 @@
+/*------------------------------- phasicFlow ---------------------------------
+      O        C enter of
+     O O       E ngineering and
+    O   O      M ultiscale modeling of
+   OOOOOOO     F luid flow
+------------------------------------------------------------------------------
+  Copyright (C): www.cemf.ir
+  email: hamid.r.norouzi AT gmail.com
+------------------------------------------------------------------------------
+Licence:
+  This file is part of phasicFlow code. It is a free software for simulating
+  granular and multiphase flows. You can redistribute it and/or modify it under
+  the terms of GNU General Public License v3 or any other later versions.
+
+  phasicFlow is distributed to help others in their research in the field of
+  granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+-----------------------------------------------------------------------------*/
+
+#ifndef __lineRegionPoints_hpp__
+#define __lineRegionPoints_hpp__
+
+#include "regionPoints.hpp"
+#include "line.hpp"
+#include "sphere.hpp"
+#include "Vectors.hpp"
+
+namespace pFlow
+{
+
+class lineRegionPoints
+:
+    public regionPoints
+{
+private:
+
+    /// line region for selecting points
+    line                line_;
+
+    /// all sphere regions 
+    Vector<sphere>        sphereRegions_;
+
+    /// center poitns of regions/elements
+    realx3Vector          centerPoints_;
+
+    /// volumes of all elements/regions
+    realVector            volumes_;
+
+    realVector            diameters_;
+
+    /// the point indices that are selected by this region
+    Vector<uint32Vector>  selectedPoints_;
+
+public:
+
+    TypeInfo(line::TYPENAME());
+
+    lineRegionPoints(
+        const dictionary& dict,
+        fieldsDataBase& fieldsDataBase);
+
+    ~lineRegionPoints() override = default;
+
+    uint32 size()const override
+    {
+        return sphereRegions_.size();
+    }
+
+    bool empty()const override
+    {
+        return sphereRegions_.empty();
+    }
+
+    span<const real> volumes()const override
+    {
+        return span<const real>(volumes_.data(), volumes_.size());
+    }
+
+    span<const real> eqDiameters()const override
+    {
+        return span<const real>(diameters_.data(), diameters_.size());
+    }
+
+    span<const realx3> centers()const override
+    {
+        return span<const realx3>(centerPoints_.data(), centerPoints_.size());
+    }
+
+    span<const uint32> indices(uint32 elem)const override;
+    
+
+    bool update() override;
+
+};
+    
+}
+
+
+#endif // __lineRegionPoints_hpp__