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

other components are left

src/PostprocessData/operation/PostprocessOperation/PostprocessOperationSum.cpp

@@ -0,0 +1,71 @@
+#include "PostprocessOperationSum.hpp"
+#include "dictionary.hpp"
+#include "fieldsDataBase.hpp"
+#include "fieldFunctions.hpp"
+
+pFlow::PostprocessOperationSum::PostprocessOperationSum
+(
+    const dictionary &opDict, 
+    const regionPoints &regPoints, 
+    fieldsDataBase &fieldsDB
+)
+:
+    postprocessOperation(opDict, regPoints, fieldsDB)
+{
+    if( fieldType() == getTypeName<real>() )
+    {
+        processedRegField_ = makeUnique<processedRegFieldType>(
+            regionField(processedFieldName(), regPoints, real(0)));
+    }
+    else if( fieldType() == getTypeName<realx3>() )
+    {
+        processedRegField_ = makeUnique<processedRegFieldType>(
+            regionField(processedFieldName(), regPoints, realx3(0)));
+    }
+    else if( fieldType() == getTypeName<realx4>() )
+    {
+        processedRegField_ = makeUnique<processedRegFieldType>(
+            regionField(processedFieldName(), regPoints, realx4(0)));
+    }
+    else
+    {
+        fatalErrorInFunction<<" in dictionary "<< opDict.globalName()
+            << " field type is not supported for sum operation"
+            << " field type is "<< fieldType()
+            << endl;
+        fatalExit;
+    }
+}
+
+bool pFlow::PostprocessOperationSum::execute
+(
+    const std::vector<span<real>>& weights
+)
+{
+    auto allField = database().updateFieldAll(fieldName());
+    auto phi = database().updateFieldReal(
+        phiFieldName());
+
+    auto mask = getMask();
+    word procName = processedFieldName();
+    const auto& regP = regPoints();
+    bool dbVol = divideByVolume();
+
+    processedRegField_ = makeUnique<processedRegFieldType>
+    (   
+        std::visit([&](auto&& field)->processedRegFieldType
+            { 
+                return executeSumOperation(
+                procName,
+                field,
+                regP,
+                dbVol,
+                weights,
+                phi,
+                mask);
+            },
+            allField)
+    );
+   
+    return true;
+}

src/PostprocessData/operation/PostprocessOperation/PostprocessOperationSum.hpp

@@ -0,0 +1,74 @@
+/*------------------------------- 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 __PostprocessOperationSum_hpp__
+#define __PostprocessOperationSum_hpp__
+
+#include <variant>
+#include <vector>
+
+#include "postprocessOperation.hpp"
+#include "regionField.hpp"
+#include "includeMask.hpp"
+
+namespace pFlow
+{
+
+
+class PostprocessOperationSum
+:
+    public postprocessOperation
+{
+private:
+           
+    /// Pointer to the include mask used for masking operations.
+    uniquePtr<processedRegFieldType>  processedRegField_ = nullptr;
+
+public:
+
+    TypeInfo("PostprocessOperation<sum>");
+
+    PostprocessOperationSum(
+        const dictionary& opDict,
+        const regionPoints& regPoints,
+        fieldsDataBase& fieldsDB);
+    
+    ~PostprocessOperationSum() override = default;
+
+    add_vCtor
+    (
+        postprocessOperation,
+        PostprocessOperationSum,
+        dictionary
+    );
+
+    const processedRegFieldType& processedField()const override
+    {
+        return processedRegField_();
+    }
+
+    bool execute(const std::vector<span<real>>& weights) override;
+
+}; 
+
+
+}
+
+#endif //__PostprocessOperation_hpp__

src/PostprocessData/operation/PostprocessOperation/fieldFunctions.hpp

@@ -0,0 +1,118 @@
+/*------------------------------- 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 __fieldFunctions_hpp__
+#define __fieldFunctions_hpp__
+
+#include <vector>
+
+#include "span.hpp"
+#include "regionPoints.hpp"
+#include "regionField.hpp"
+#include "includeMask.hpp"
+
+namespace pFlow
+{
+
+
+template<typename T>
+regionField<T> executeSumOperation
+(
+    const word&                     regFieldName,
+    const span<T>&                  field, 
+    const regionPoints&             regPoints,
+    const bool                      devideByVol,
+    const std::vector<span<real>>&  weights,
+    const span<real>&               phi,
+    const includeMask::Mask&        mask
+)
+{
+    regionField<T> processedField(regFieldName, regPoints, T{});
+
+    for(uint32 reg =0; reg<regPoints.size(); reg++)
+    {
+        auto partIndices = regPoints.indices(reg);
+        auto vols = regPoints.volumes();
+        auto w = weights[reg];
+        T sum{};
+        uint n = 0;
+        for(auto index:partIndices)
+        {
+            if( index!= -1 && mask( index ))
+            {
+                sum += w[n] * field[index]* phi[index];
+            }
+            n++;
+        }
+        if(devideByVol)
+        {
+            processedField[reg] = sum/vols[reg];
+        }
+        else
+        {
+            processedField[reg] = sum;
+        }
+        
+    }
+
+    return processedField;
+}
+
+template<typename T>
+regionField<T> executeAverageOperation
+(
+    const word&                    regFieldName,
+    const span<T>&                 field, 
+    const regionPoints&            regPoints, 
+    const std::vector<span<real>>& weights,
+    const span<real>&              phi,
+    const includeMask::Mask&       mask
+)
+{
+    regionField<T> processedField(regFieldName, regPoints, T{});
+
+    for(uint32 reg =0; reg<regPoints.size(); reg++)
+    {
+        auto partIndices = regPoints.indices(reg);
+        auto w = weights[reg];
+        T sumNum{};
+        real sumDen{};
+        uint n = 0;
+        for(auto index:partIndices)
+        {
+            if( index!= -1 && mask( index ))
+            {
+                sumNum += w[n] * field[index]* phi[index];
+            }
+            sumDen += w[n] * phi[index];
+            n++;
+        }
+
+        sumDen = max(sumDen, smallValue);
+        processedField[reg] = sumNum/sumDen;
+        
+    }
+
+    return processedField;
+}
+
+} // namespace pFlow
+
+#endif //__fieldFunctions_hpp__

src/PostprocessData/operation/includeMask/IncludeMask.hpp

@@ -0,0 +1,192 @@
+/*------------------------------- 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 __IncludeMask_hpp__
+#define __IncludeMask_hpp__
+
+#include "dictionary.hpp"
+#include "includeMask.hpp"
+#include "fieldsDataBase.hpp"
+#include "maskOperations.hpp"
+#include "Time.hpp"
+
+
+namespace pFlow
+{
+
+
+template<typename T, typename Operator>
+class IncludeMask
+:
+	public includeMask
+{
+public:
+
+    using Mask = typename includeMask::Mask;
+
+private:
+	
+    std::vector<bool>       mask_;
+
+    Operator                operator_;
+
+    word                    fieldName_;
+    
+    timeValue               lastUpdated_ = -1;
+
+    bool updateMask()
+    {
+        timeValue t = database().currentTime();
+        
+        if( equal( t, lastUpdated_)) return true;
+        
+        span<T> s;
+        if constexpr (std::is_same_v<T,real>)
+        {
+            s = database().updateFieldReal(fieldName_);
+        }
+        else if constexpr ( std::is_same_v<T,realx3>)
+        {
+            s = database().updateFieldRealx3(fieldName_);
+        }
+        else if constexpr( std::is_same_v<T,realx4>)
+        {
+            s = database().updateFieldRealx4(fieldName_);   
+        }
+        else
+        {
+            fatalErrorInFunction<<"Type "<< getTypeName<T>()
+                <<" is not supported for  IncludeMask for field "
+                << fieldName_ << endl;
+            return false;
+        }
+        
+        
+        mask_.resize(s.size());
+
+        for(uint32 i=0; i<s.size(); i++)
+        {
+            mask_[i] = operator_(s[i]);
+        }
+
+        lastUpdated_ = t ;
+        
+        return true;
+    }
+
+    static
+    word operatorName()
+    {
+        return Operator::TYPENAME();
+    }
+
+public:
+
+	TypeInfoTemplate12("IncludeMask", T, Operator);
+
+	IncludeMask(
+		const dictionary& dict, 
+        fieldsDataBase& feildsDB)
+	:
+		includeMask(dict, feildsDB),
+		operator_(dict.subDict(operatorName()+"Info")),
+        fieldName_(
+            dict.subDict
+            (
+                operatorName()+"Info"
+            ).getVal<word>("field"))
+	{}
+
+	add_vCtor(
+		includeMask,
+		IncludeMask,
+		dictionary);
+
+    Mask getMask() override
+    {
+        updateMask();
+        return Mask(mask_);
+    }
+	
+};
+
+
+template<typename T>
+class IncludeMask<T,allOp<T>>
+:
+	public includeMask
+{
+public:
+
+    using Mask = typename includeMask::Mask;
+
+private:
+	
+    std::vector<bool>       mask_;
+
+    timeValue               lastUpdated_ = -1;
+
+    bool updateMask()
+    {
+        timeValue t = database().currentTime();
+        
+        if( equal( t, lastUpdated_)) return true;
+        
+        span<realx3>  s = database().updatePoints();        
+        mask_.resize(s.size(), true);
+
+        lastUpdated_ = t ;
+        
+        return true;
+    }   
+
+public:
+
+	TypeInfoTemplate12("IncludeMask", T, allOp<int8>);
+
+	IncludeMask(
+		const dictionary& opDict, 
+        fieldsDataBase& feildsDB)
+	:
+		includeMask(opDict, feildsDB)
+	{
+        span<realx3>  s = database().updatePoints();        
+        mask_.resize(s.size(), true);
+	}
+
+	add_vCtor(
+		includeMask,
+		IncludeMask,
+		dictionary);
+
+    Mask getMask()override
+    {
+        updateMask();
+        return Mask(mask_);
+    }
+	
+};
+
+
+} // pFlow
+
+#endif //__IncludeMask_hpp__
+
+

src/PostprocessData/operation/includeMask/IncludeMasks.cpp

@@ -0,0 +1,50 @@
+/*------------------------------- 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.
+
+-----------------------------------------------------------------------------*/
+
+#include "IncludeMask.hpp"
+
+// real
+template class pFlow::IncludeMask<pFlow::real, pFlow::compareOne<pFlow::real, pFlow::lessThanOp> >;
+template class pFlow::IncludeMask<pFlow::real, pFlow::compareOne<pFlow::real, pFlow::lessThanEqOp> >;
+
+template class pFlow::IncludeMask<pFlow::real, pFlow::compareOne<pFlow::real, pFlow::greaterThanOp> >;
+template class pFlow::IncludeMask<pFlow::real, pFlow::compareOne<pFlow::real, pFlow::greaterThanEqOp> >;
+
+template class pFlow::IncludeMask<pFlow::real, pFlow::compareOne<pFlow::real, pFlow::equalOp> >;
+
+template class pFlow::IncludeMask<pFlow::real, pFlow::compareTwo<pFlow::real, pFlow::betweenOp> >;
+template class pFlow::IncludeMask<pFlow::real, pFlow::compareTwo<pFlow::real, pFlow::betweenEqOp> >;
+
+template class pFlow::IncludeMask<pFlow::real, pFlow::allOp<pFlow::real>>;
+
+// realx3
+template class pFlow::IncludeMask<pFlow::realx3, pFlow::compareOne<pFlow::realx3, pFlow::lessThanOp> >;
+template class pFlow::IncludeMask<pFlow::realx3, pFlow::compareOne<pFlow::realx3, pFlow::lessThanEqOp> >;
+
+template class pFlow::IncludeMask<pFlow::realx3, pFlow::compareOne<pFlow::realx3, pFlow::greaterThanOp> >;
+template class pFlow::IncludeMask<pFlow::realx3, pFlow::compareOne<pFlow::realx3, pFlow::greaterThanEqOp> >;
+
+template class pFlow::IncludeMask<pFlow::realx3, pFlow::compareOne<pFlow::realx3, pFlow::equalOp> >;
+
+template class pFlow::IncludeMask<pFlow::realx3, pFlow::compareTwo<pFlow::realx3, pFlow::betweenOp> >;
+template class pFlow::IncludeMask<pFlow::realx3, pFlow::compareTwo<pFlow::realx3, pFlow::betweenEqOp> >;
+
+
+// realx4

src/PostprocessData/operation/includeMask/includeMask.cpp

@@ -0,0 +1,91 @@
+/*------------------------------- 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.
+
+-----------------------------------------------------------------------------*/
+
+
+#include "includeMask.hpp"
+#include "dictionary.hpp"
+#include "fieldsDataBase.hpp"
+
+
+pFlow::includeMask::includeMask
+(
+	const dictionary& dict, 
+	fieldsDataBase& fieldDB
+)
+:
+	database_(fieldDB)
+{}
+
+
+pFlow::uniquePtr<pFlow::includeMask> pFlow::includeMask::create
+(
+    const dictionary& opDict, 
+    fieldsDataBase& feildsDB
+)
+{
+	word mask = opDict.getValOrSet<word>("includeMask", "all");
+	word fieldType;
+	if( mask != "all")
+	{
+		auto& maskDict = opDict.subDict(mask+"Info");
+		word maskField = maskDict.getVal<word>("field");
+		
+		if( !feildsDB.getPointFieldType(maskField, fieldType) )
+		{
+			fatalErrorInFunction<<"Error in retriving the type of field"
+				<< maskField <<" from dictionary "
+				<< maskDict.globalName()
+				<< endl;
+			fatalExit;
+			return nullptr;
+		}
+	}
+	else
+	{
+		fieldType = getTypeName<real>();
+	}
+	
+	word method = angleBracketsNames2("IncludeMask", fieldType, mask);
+	
+	if( dictionaryvCtorSelector_.search(method) )
+	{
+		auto objPtr = 
+			dictionaryvCtorSelector_[method]
+			(opDict, feildsDB);
+		return objPtr;
+	}
+	else
+	{
+		printKeys
+		( 
+			fatalError << "Ctor Selector "<< 
+			method << " dose not exist. \n"
+			<<"Avaiable ones are: \n\n"
+			,
+			dictionaryvCtorSelector_
+		);
+		fatalExit;
+		return nullptr;
+	}
+	return nullptr;
+}
+
+
+	

src/PostprocessData/operation/includeMask/includeMask.hpp

@@ -0,0 +1,115 @@
+/*------------------------------- 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 __includeMask_hpp__
+#define __includeMask_hpp__
+
+#include <vector> 
+
+#include "virtualConstructor.hpp"
+
+namespace pFlow
+{
+
+
+class fieldsDataBase;
+class dictionary;
+
+class includeMask
+{
+public:
+
+	class Mask
+	{
+		const std::vector<bool>& mask_;
+
+		public:
+
+		Mask(const std::vector<bool>& msk)
+		:
+			mask_(msk)
+		{}
+
+		Mask(const Mask&) = default;
+
+		Mask(Mask&&) = default;
+				
+		~Mask()=default;
+
+		auto size()const
+		{
+			return mask_.size();
+		}
+
+		bool operator()(uint32 i)const
+		{
+			return mask_[i];
+		}
+	};
+
+private:
+	
+    fieldsDataBase&     database_;
+	
+public:
+
+	TypeInfo("includeMask");
+
+	includeMask(const dictionary& opDict, fieldsDataBase& feildsDB);
+
+	virtual ~includeMask() = default;
+
+    create_vCtor
+    (
+        includeMask,
+        dictionary,
+        (
+            const dictionary& opDict, fieldsDataBase& feildsDB
+        ),
+        (opDict, feildsDB)		
+    );
+	 
+	const fieldsDataBase& database()const
+	{
+		return database_;
+	}
+
+    fieldsDataBase& database()
+    {
+        return database_;
+    }
+
+    virtual 
+    Mask getMask()= 0;
+
+	static 
+	uniquePtr<includeMask> create(
+        const dictionary& opDict, 
+        fieldsDataBase& feildsDB);
+	
+};
+
+
+
+} // pFlow
+
+#endif //__IncludeMask_hpp__
+
+

src/PostprocessData/operation/includeMask/maskOperations.hpp

@@ -0,0 +1,162 @@
+
+#ifndef __maskOperation_hpp__
+#define __maskOperation_hpp__
+
+#include "types.hpp"
+#include "dictionary.hpp"
+
+namespace pFlow
+{
+
+template<typename T>
+struct greaterThanOp
+{
+	TypeInfoNV("greaterThan");
+
+ 	inline
+ 	bool operator()(const T &compVal, const T &val) const {
+   		return val > compVal; }
+};
+
+template<typename T>
+struct greaterThanEqOp
+{
+	TypeInfoNV("greaterThanEq");
+
+ 	inline
+ 	bool operator()(const T &compVal, const T &val) const {
+   		return val >= compVal; }
+};
+
+template<typename T>
+struct lessThanOp
+{
+	TypeInfoNV("lessThan");
+
+	inline
+	bool operator()(const T &compVal, const T &val) const {
+		return val < compVal; }
+};
+
+template<typename T>
+struct lessThanEqOp
+{
+	TypeInfoNV("lessThanEq");
+
+	inline
+	bool operator()(const T &compVal, const T &val) const {
+		return val <= compVal; }
+};
+
+template<typename T>
+struct equalOp
+{
+	TypeInfoNV("equal");
+
+	inline
+	bool operator()(const T &compVal, const T &val) const {
+		return equal(val , compVal); }
+};
+
+
+template<typename T>
+struct betweenOp
+{
+	TypeInfoNV("between");
+
+	inline
+	bool operator()(const T &compVal1, const T &compVal2 ,const T &val) const {
+		return val>compVal1 && val<compVal2; }
+};
+
+
+template<typename T>
+struct betweenEqOp
+{
+	TypeInfoNV("betweenEq");
+
+	inline
+	bool operator()(const T &compVal1, const T &compVal2 ,const T &val) const {
+		return val>=compVal1 && val<=compVal2; }
+};
+
+template<typename T>
+struct allOp
+{
+	TypeInfoNV("all");
+
+	inline
+	bool operator()() const {return true; }
+};
+
+
+
+template<typename T, template<class> class Operator>
+class compareOne
+{
+public:
+
+	using opertorType = Operator<T>;
+
+protected:
+	T 				compValue_{};
+	opertorType 	operator_{};
+public:
+
+	TypeInfoNV(Operator<T>::TYPENAME());
+
+	compareOne(const dictionary& dict)
+	:
+		compValue_(dict.getVal<T>("value"))
+	{}
+
+	bool operator()(const T& value)const
+	{
+		return operator_(compValue_, value);
+	}
+};
+
+template<typename T, template<class> class Operator>
+class compareTwo
+{
+public:
+	using opertorType = Operator<T>;
+protected:
+	T 				compValue1_;
+	T  				compValue2_;
+	opertorType 	operator_{};
+public:
+	
+	TypeInfoNV(opertorType::TYPENAME());
+
+	compareTwo(const dictionary& dict)
+	:
+		compValue1_(dict.getVal<T>("value1")),
+		compValue2_(dict.getVal<T>("value2"))
+	{}
+
+	bool operator()(const T& value)const
+	{
+		return operator_(compValue1_, compValue2_, value);
+	}
+};
+
+template<typename T, typename Operator>
+class compareZero
+{
+protected:
+	Operator 	operator_{};
+public:
+
+	TypeInfoNV(Operator::TYPENAME());
+	compareZero(const dictionary& dict);
+
+	bool operator()(const T& value) const
+	{
+		return operator_();
+	}
+};
+
+}
+
+#endif //__maskOperation_hpp__

src/PostprocessData/operation/postprocessOperation/postprocessOperation.cpp

@@ -0,0 +1,193 @@
+/*------------------------------- 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.
+
+-----------------------------------------------------------------------------*/
+
+#include "Time.hpp"
+#include "postprocessOperation.hpp"
+#include "regionPoints.hpp"
+#include "fieldsDataBase.hpp"
+
+namespace pFlow
+{
+
+template<typename T>
+inline
+bool writeField
+(
+    iOstream&             os,
+    timeValue             t,
+    const regionField<T>  field,
+    uint32                threshold,
+    const T&              defValue=T{}    
+)
+{
+    const auto& regPoints = field.regPoints();
+    const uint32 n = field.size();
+    os<<t<<tab;
+    for(uint32 i=0; i<n; i++)
+    {
+        auto numPar = regPoints.indices(i).size();
+        if(numPar >= threshold)
+        {
+            if constexpr(std::is_same_v<T,realx3>)
+            {
+                os<<field[i].x()<<' '<<field[i].y()<<' '<<field[i].z()<<tab;
+            }
+            else if constexpr( std::is_same_v<T,realx4>)
+            {
+                os << field[i].x() << ' ' << field[i].y() << ' ' << field[i].z() << ' ' << field[i].w() << tab;
+            }
+            else
+            {
+                os<<field[i]<<tab;
+            }
+            
+        }
+        else
+        {
+            if constexpr(std::is_same_v<T,realx3>)
+            {
+                os<<defValue.x()<<' '<<defValue.y()<<' '<<defValue.z()<<tab;
+            }
+            else if constexpr( std::is_same_v<T,realx4>)
+            {
+                os << defValue.x() << ' ' << defValue.y() << ' ' << defValue.z() << ' ' << defValue.w() << tab;
+            }
+            else
+            {
+                os<<defValue<<tab;
+            }
+        }
+
+    }
+    os<<endl;
+    return true;
+}
+
+}
+
+
+
+pFlow::postprocessOperation::postprocessOperation
+(
+    const dictionary &opDict, 
+    const regionPoints& regPoints,
+    fieldsDataBase &fieldsDB
+)
+:
+    operationDict_(opDict),
+    threshold_
+    (
+        opDict.getValOrSet<int>("threshold", 1)
+    ),
+    divideByVolume_
+    (
+        opDict.getValOrSet<Logical>("dividedByVolume", Logical(false))
+    ),
+    regionPoints_
+    (
+        regPoints
+    ),
+    database_
+    (
+        fieldsDB
+    ),
+    fieldName_
+    (
+        opDict.getValOrSet<word>("field", "one")
+    ),
+    phiFieldName_
+    (
+        opDict.getValOrSet<word>("phi", "one")
+    ),
+    includeMask_
+    (
+        includeMask::create(opDict, fieldsDB)
+    )
+{
+
+    if(!fieldsDB.getPointFieldType(fieldName_, fieldType_))
+    {
+        fatalErrorInFunction;
+        fatalExit;
+    }
+}
+
+const pFlow::Time& pFlow::postprocessOperation::time() const
+{
+    return database_.time();
+}
+
+bool pFlow::postprocessOperation::write(const fileSystem &parDir) const
+{   
+    auto ti = time().TimeInfo();
+
+    if(!osPtr_)
+    {
+        fileSystem path = parDir+(
+            processedFieldName() + ".Start_" + ti.prevTimeName());
+        osPtr_ = makeUnique<oFstream>(path);
+        
+        regPoints().write(osPtr_());
+    }
+
+    const auto& field = processedField();
+
+    std::visit
+    (
+        [&](auto&& arg)->bool
+        {
+            return writeField(osPtr_(), ti.t(), arg, threshold_);
+        },
+        field
+    );
+
+    return true;
+}
+
+pFlow::uniquePtr<pFlow::postprocessOperation>
+pFlow::postprocessOperation::create(
+    const dictionary &opDict,
+    const regionPoints &regPoints,
+    fieldsDataBase &fieldsDB)
+{
+    word func = opDict.getVal<word>("function");
+    word method = angleBracketsNames("PostprocessOperation", func);
+    if( dictionaryvCtorSelector_.search(method) )
+    {
+        REPORT(3)<<"Operation "<< Green_Text(opDict.name())<<" with function "<< Green_Text(func)<<endl;
+        auto objPtr = 
+            dictionaryvCtorSelector_[method]
+            (opDict, regPoints, fieldsDB);
+        return objPtr;
+    }
+    else
+    {
+        printKeys
+        ( 
+            fatalError << "Ctor Selector "<< 
+            method << " dose not exist. \n"
+            <<"Avaiable ones are: \n\n"
+            ,
+            dictionaryvCtorSelector_
+        );
+        fatalExit;
+        return nullptr;
+    }
+}

src/PostprocessData/operation/postprocessOperation/postprocessOperation.hpp

@@ -0,0 +1,189 @@
+/*------------------------------- 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 __postprocessOperation_hpp__
+#define __postprocessOperation_hpp__
+
+#include <variant>
+
+#include "virtualConstructor.hpp"
+#include "Logical.hpp"
+#include "dictionary.hpp"
+#include "span.hpp"
+#include "oFstream.hpp"
+#include "regionField.hpp"
+#include "includeMask.hpp"
+
+namespace pFlow
+{
+
+using processedRegFieldType = std::variant
+    <
+        regionField<real>,
+        regionField<realx3>,
+        regionField<realx4>
+    >;
+
+class fieldsDataBase;
+class Time;
+
+/*!
+ *  @brief Base class for post-processing operations.
+ *         This class provides the basic structure and functionality
+ *         for performing post-processing operations on simulation data.
+ */
+class postprocessOperation
+{
+public:
+
+    using Mask = typename includeMask::Mask;
+
+private:
+
+    /// Dictionary containing operation-specific parameters.
+    dictionary              operationDict_;
+
+    /// This Threshold is used to exclude the regions which contain
+    /// fewer than this value. 
+    uint32                  threshold_;
+    
+    /// Logical flag to determine if the result is divided by volume.
+    Logical                 divideByVolume_;
+
+    /// Reference to the region points used in the operation.
+    const regionPoints&     regionPoints_;
+
+    /// Reference to the fields database containing field data.
+    fieldsDataBase&         database_;
+
+    /// Name of the field to be processed.
+    word                    fieldName_;
+
+    /// Type of the field to be processed.
+    word                    fieldType_;
+
+    /// Name of the phi field to be processed.
+    word                    phiFieldName_;
+
+    /// Pointer to the include mask used for masking operations.
+    uniquePtr<includeMask>  includeMask_ = nullptr;
+
+    mutable uniquePtr<oFstream>     osPtr_ = nullptr;
+    
+public:
+
+
+    TypeInfo("postprocessOperation");
+
+    postprocessOperation(
+        const dictionary& opDict,
+        const regionPoints& regPoints,
+        fieldsDataBase& fieldsDB );
+
+    virtual ~postprocessOperation()=default;
+
+    create_vCtor(
+        postprocessOperation,
+        dictionary,
+        (
+            const dictionary& opDict,
+            const regionPoints& regPoints,
+            fieldsDataBase& fieldsDB
+        ),
+        (opDict, regPoints, fieldsDB));
+    
+    const regionPoints& regPoints()const
+    {
+        return regionPoints_;
+    }
+
+    const fieldsDataBase& database()const
+    {
+        return database_;
+    }
+
+    fieldsDataBase& database()
+    {
+        return database_;
+    }
+
+    const Time& time()const;
+
+    word processedFieldName()const
+    {
+        return operationDict_.name();
+    }
+    
+    const word& fieldName()const
+    {
+        return fieldName_;
+    }
+
+    const word& fieldType()const
+    {
+        return fieldType_;
+    }
+
+    const word& phiFieldName()const
+    {
+        return phiFieldName_;
+    }
+
+    const dictionary& operationDict()const
+    {
+        return operationDict_;
+    }
+    const uint32 threshold()const
+    {
+        return threshold_;
+    }
+
+    bool divideByVolume()const
+    {
+        return divideByVolume_();
+    }
+
+    Mask getMask()
+    {
+        return includeMask_().getMask();
+    }
+
+    virtual
+    const processedRegFieldType& processedField()const=0;
+
+    virtual 
+    bool execute(const std::vector<span<real>>& weights) = 0;
+
+    virtual 
+    bool write(const fileSystem &parDir)const;
+
+    virtual 
+    bool write(iOstream& os)const {return true;}
+
+    static
+    uniquePtr<postprocessOperation> create(
+        const dictionary& opDict,
+        const regionPoints& regPoints,
+        fieldsDataBase& fieldsDB);
+    
+};
+
+}
+
+#endif //__postprocessOperation_hpp__