The main structure is tested. functons like execute and write are added and tested.

other components are left

src/PostprocessData/region/regionPoints/centerPointsRegionPoints/centerPointsRegionPoints.hpp

@@ -0,0 +1,122 @@
+/*------------------------------- 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 __centerPointsRegionPoints_hpp__
+#define __centerPointsRegionPoints_hpp__
+
+#include "regionPoints.hpp"
+
+namespace pFlow
+{
+
+class centerPointsRegionPoints
+:
+    public regionPoints
+{
+private:
+    
+    bool            firstTimeUpdate_ = true;
+
+    /// the ids provided in the dictionary
+    uint32Vector    ids_;   
+
+    /// the volume of region
+    realVector       volume_ {"volume"};
+
+    realVector       diameter_{"diameter"};
+    /// center point of the region
+    /// this is not used in the idSelection region
+    realx3Vector     center_ {"center"};
+
+    /// the point indices that are selected by this region
+    uint32Vector     selectedPoints_{"selectedPoints"};
+    
+    /// the name of the id field
+    word             idName_= "id";
+
+    /// keeps the dictionary for first update use 
+    dictionary       probDict_;
+    
+    
+    bool selectIds();
+
+public:
+
+    TypeInfo("centerPoints");
+
+    centerPointsRegionPoints(
+        const dictionary& dict,
+        fieldsDataBase& fieldsDataBase);
+
+    ~centerPointsRegionPoints() override = default;
+
+    uint32 size()const override
+    {
+        return selectedPoints_.size();
+    }
+
+    bool empty()const override
+    {
+        return selectedPoints_.empty();
+    }
+
+    span<const real> volumes()const override
+    {
+        return span<const real>(volume_.data(), volume_.size());
+    }
+
+    span<const real> eqDiameters()const override
+    {
+        return span<const real>(diameter_.data(), diameter_.size());
+    }
+
+    span<const realx3> centers()const override
+    {
+        return span<const realx3>(center_.data(), center_.size());
+    }
+
+    span<const uint32> indices(uint32 elem)const override
+    {
+        return span<const uint32>(selectedPoints_.data(), selectedPoints_.size());
+    }
+
+    span<uint32> indices(uint32 elem) override
+    {
+        return span<uint32>(selectedPoints_.data(), selectedPoints_.size());
+    }
+
+    /// @brief  update the selected points based on the ids
+    /// @return true if the operation is successful
+    bool update() override;
+
+    bool writeToSameTimeFile()const override
+    {
+        return true;
+    }
+
+    bool write(iOstream& os)const override;
+
+}; // class centerPointsRegionPoints
+
+} // namespace pFlow
+
+
+
+#endif // __centerPointsRegionPoints_hpp__