diff --git a/src/phasicFlow/CMakeLists.txt b/src/phasicFlow/CMakeLists.txt
index 6bf9c3ee..4449aa88 100644
--- a/src/phasicFlow/CMakeLists.txt
+++ b/src/phasicFlow/CMakeLists.txt
@@ -90,9 +90,10 @@ structuredData/boundaries/boundaryReflective/boundaryReflective.cpp
 structuredData/boundaries/boundaryList.cpp
 structuredData/pointStructure/pointStructure/pointStructure.cpp
 structuredData/pointStructure/selectors/pStructSelector/pStructSelector.cpp
-structuredData/pointStructure/selectors/selectRange/selectRange.cpp 
-structuredData/pointStructure/selectors/selectRandom/selectRandom.cpp
+structuredData/pointStructure/selectors/selectorStridedRange/selectorStridedRange.cpp 
+structuredData/pointStructure/selectors/selectorRandomPoints/selectorRandomPoints.cpp
 structuredData/pointStructure/selectors/selectBox/selectBox.cpp
+structuredData/pointStructure/selectors/selectorGeometric/selectorGeometrics.cpp
 
 triSurface/subSurface.cpp
 triSurface/triSurface.cpp
diff --git a/src/phasicFlow/structuredData/pointStructure/internalPoints/internalPoints.cpp b/src/phasicFlow/structuredData/pointStructure/internalPoints/internalPoints.cpp
index 3bc1fa66..6155a33d 100644
--- a/src/phasicFlow/structuredData/pointStructure/internalPoints/internalPoints.cpp
+++ b/src/phasicFlow/structuredData/pointStructure/internalPoints/internalPoints.cpp
@@ -457,9 +457,6 @@ bool pFlow::internalPoints::read
 
 	return true;
 }
-		
-
-
 
 bool pFlow::internalPoints::write
 (
diff --git a/src/phasicFlow/structuredData/pointStructure/selectors/pStructSelector/fieldSelector.hpp b/src/phasicFlow/structuredData/pointStructure/selectors/pStructSelector/fieldSelector.hpp
new file mode 100644
index 00000000..f69025dc
--- /dev/null
+++ b/src/phasicFlow/structuredData/pointStructure/selectors/pStructSelector/fieldSelector.hpp
@@ -0,0 +1,60 @@
+
+#ifndef __fieldSelector_hpp__
+#define __fieldSelector_hpp__
+
+#include "pStructSelector.hpp"
+#include "pointFields.hpp"
+#include "Time.hpp"
+
+namespace pFlow
+{
+
+template<typename T>
+inline
+Vector<T> selectedFieldVals(const pStructSelector& selector, const word& name)
+{
+    using FieldType =  pointField_D<T>;
+
+    if(selector.selectedPoints().empty() )
+    {
+        return Vector<T>("selected-"+name);
+    }
+
+	if(!selector.pStruct().time().lookupObjectName(name))
+	{
+		fatalErrorInFunction<<
+		"Field "<< name << " does not exist in time repository"<<endl;
+		fatalExit;
+	}
+
+    if(
+        selector.pStruct().time().lookupObjectTypeName(name) !=
+        FieldType::TYPENAME())
+    {
+        fatalErrorInFunction<<
+		"Type of field "<< name << " in time repository does not match with"<<
+        FieldType::TYEPANME()<<endl;
+		fatalExit;
+    }
+
+    const FieldType& field = selector.pStruct().time().lookupObject<FieldType>(name);
+
+    auto fieldH = field.hostView();
+    const auto& selected = selector.selectedPoints();
+    Vector<T> selectedField(
+        "selected-"+name, 
+        selected.size(), 
+        selected.size(), 
+        RESERVE());
+
+    for(uint32 i=0; i<selected.size(); i++)
+    {
+        selectedField[i] = fieldH[selected[i]];
+    }
+
+    return selectedField;
+}
+
+} // pFlow
+
+#endif //__fieldSelector_hpp__
\ No newline at end of file
diff --git a/src/phasicFlow/structuredData/pointStructure/selectors/pStructSelector/pStructSelector.cpp b/src/phasicFlow/structuredData/pointStructure/selectors/pStructSelector/pStructSelector.cpp
index 71bb2716..22eb2e30 100644
--- a/src/phasicFlow/structuredData/pointStructure/selectors/pStructSelector/pStructSelector.cpp
+++ b/src/phasicFlow/structuredData/pointStructure/selectors/pStructSelector/pStructSelector.cpp
@@ -37,11 +37,34 @@ const pFlow::pointStructure& pFlow::pStructSelector::pStruct()const
 	return pStruct_;
 }
 
+pFlow::realx3Vector
+pFlow::pStructSelector::selectedPointPositions() const
+{
+
+	const auto& slctd = selectedPoints();
+
+	if(slctd.empty()) return realx3Vector("selectedPointPositions");
+	
+	realx3Vector slctdPoints("selectedPointPositions", slctd.size());
+	
+	auto pPos = pStruct().pointPositionHost();
+
+	for(uint32 i=0; i<slctd.size(); i++)
+	{
+		slctdPoints[i] = pPos[slctd[i]];
+	}
+
+	return slctdPoints;
+}
 
 pFlow::uniquePtr<pFlow::pStructSelector>
-	pFlow::pStructSelector::create(const pointStructure& pStruct, const dictionary& dict)
+pFlow::pStructSelector::create(
+  const pointStructure& pStruct,
+  const dictionary&     dict
+)
 {
-	word selectorMethod = dict.getVal<word>("selector");
+
+	word selectorMethod = angleBracketsNames("selector", dict.getVal<word>("selector"));
 
 	if( dictionaryvCtorSelector_.search(selectorMethod) )
 	{
diff --git a/src/phasicFlow/structuredData/pointStructure/selectors/pStructSelector/pStructSelector.hpp b/src/phasicFlow/structuredData/pointStructure/selectors/pStructSelector/pStructSelector.hpp
index a3ce07cc..ef0882f1 100644
--- a/src/phasicFlow/structuredData/pointStructure/selectors/pStructSelector/pStructSelector.hpp
+++ b/src/phasicFlow/structuredData/pointStructure/selectors/pStructSelector/pStructSelector.hpp
@@ -18,7 +18,6 @@ Licence:
 
 -----------------------------------------------------------------------------*/
 
-
 #ifndef __pStructSelector_hpp__
 #define __pStructSelector_hpp__
 
@@ -26,6 +25,7 @@ Licence:
 #include "Vectors.hpp"
 #include "virtualConstructor.hpp"
 
+
 namespace pFlow
 {
 
@@ -62,16 +62,19 @@ public:
 		const pointStructure& pStruct()const;
 
 
-		virtual const uint32Vector& selectedPoinsts()const = 0;
+		virtual const uint32Vector& selectedPoints()const = 0;
 
-		virtual uint32Vector& selectedPoinsts() = 0;
+		virtual uint32Vector& selectedPoints() = 0;
 
+		realx3Vector selectedPointPositions()const;
 
 	static
 	uniquePtr<pStructSelector> create(const pointStructure& pStruct, const dictionary& dict);
 
 };
 
+
+
 } // pFlow
 
 
diff --git a/src/phasicFlow/structuredData/pointStructure/selectors/selectBox/selectBox.hpp b/src/phasicFlow/structuredData/pointStructure/selectors/selectBox/selectBox.hpp
index 88c5a5b2..89faad6f 100644
--- a/src/phasicFlow/structuredData/pointStructure/selectors/selectBox/selectBox.hpp
+++ b/src/phasicFlow/structuredData/pointStructure/selectors/selectBox/selectBox.hpp
@@ -63,12 +63,12 @@ public:
 
 	//// - Methods
 
-		virtual const uint32Vector& selectedPoinsts()const override
+		const uint32Vector& selectedPoints()const override
 		{
 			return selectedPoints_;
 		}
 
-		virtual uint32Vector& selectedPoinsts() override
+		uint32Vector& selectedPoints() override
 		{
 			return selectedPoints_;
 		}
diff --git a/src/phasicFlow/structuredData/pointStructure/selectors/selectorGeometric/selectorGeometric.cpp b/src/phasicFlow/structuredData/pointStructure/selectors/selectorGeometric/selectorGeometric.cpp
new file mode 100644
index 00000000..652a55cb
--- /dev/null
+++ b/src/phasicFlow/structuredData/pointStructure/selectors/selectorGeometric/selectorGeometric.cpp
@@ -0,0 +1,41 @@
+
+
+
+template<typename GeomType>
+bool
+pFlow::selectorGeometric<GeomType>::selectPoints()
+{
+	
+	selectedPoints_.clear();
+
+	auto maskH = pStruct().activePointsMaskHost();
+	const auto aRange = maskH.activeRange();
+	auto pPos = pStruct().pointPositionHost();
+	
+	for(uint32 i=aRange.start(); i<aRange.end();i++)
+	{
+		if(maskH.isActive(i)&& pRegion_.isInside( pPos[i] ))
+		{
+			selectedPoints_.push_back(i);
+		}
+	}
+
+	return true;
+}
+
+template<typename GeomType>
+pFlow::selectorGeometric<GeomType>::selectorGeometric(
+  const pointStructure& pStruct,
+  const dictionary&     dict
+)
+  : pStructSelector(pStruct, dict),
+    type_(dict.getVal<word>("selector")),
+    pRegion_(type_, dict.subDict(type_ + "Info"))
+{
+
+	if(!selectPoints())
+	{
+		fatalExit;
+	}
+}
+
diff --git a/src/phasicFlow/structuredData/pointStructure/selectors/selectorGeometric/selectorGeometric.hpp b/src/phasicFlow/structuredData/pointStructure/selectors/selectorGeometric/selectorGeometric.hpp
new file mode 100644
index 00000000..feb69d3f
--- /dev/null
+++ b/src/phasicFlow/structuredData/pointStructure/selectors/selectorGeometric/selectorGeometric.hpp
@@ -0,0 +1,77 @@
+/*------------------------------- 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 __selectorGeometric_hpp__
+#define __selectorGeometric_hpp__
+
+#include "pStructSelector.hpp"
+#include "PeakableRegion.hpp"
+#include "pointStructure.hpp"
+#include "dictionary.hpp"
+
+namespace pFlow
+{
+
+template<typename GeomType>
+class selectorGeometric 
+: 
+    public pStructSelector
+{
+private:
+
+	word 					 type_;
+
+	PeakableRegion<GeomType> pRegion_;
+
+	uint32Vector             selectedPoints_{"selectedPoints"};
+
+	bool selectPoints();
+
+public:
+
+	TypeInfoTemplate11("selector", GeomType);
+
+	selectorGeometric(const pointStructure& pStruct, const dictionary& dict);
+
+	add_vCtor
+    (
+        pStructSelector, 
+        selectorGeometric, 
+        dictionary
+    );
+
+	~selectorGeometric() override = default;
+
+	const uint32Vector& selectedPoints()const override
+	{
+		return selectedPoints_;
+	}
+
+	uint32Vector& selectedPoints() override
+	{
+		return selectedPoints_;
+	}
+};
+
+}
+
+#include "selectorGeometric.cpp"
+
+#endif //__selectorGeometric_hpp__
\ No newline at end of file
diff --git a/src/phasicFlow/structuredData/pointStructure/selectors/selectorGeometric/selectorGeometrics.cpp b/src/phasicFlow/structuredData/pointStructure/selectors/selectorGeometric/selectorGeometrics.cpp
new file mode 100644
index 00000000..990e8cca
--- /dev/null
+++ b/src/phasicFlow/structuredData/pointStructure/selectors/selectorGeometric/selectorGeometrics.cpp
@@ -0,0 +1,28 @@
+/*------------------------------- 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 "selectorGeometric.hpp"
+#include "box.hpp"
+#include "sphere.hpp"
+#include "cylinder.hpp"
+
+template class pFlow::selectorGeometric<pFlow::box>;
+template class pFlow::selectorGeometric<pFlow::sphere>;
+template class pFlow::selectorGeometric<pFlow::cylinder>;
diff --git a/src/phasicFlow/structuredData/pointStructure/selectors/selectRandom/selectRandom.cpp b/src/phasicFlow/structuredData/pointStructure/selectors/selectorRandomPoints/selectorRandomPoints.cpp
similarity index 87%
rename from src/phasicFlow/structuredData/pointStructure/selectors/selectRandom/selectRandom.cpp
rename to src/phasicFlow/structuredData/pointStructure/selectors/selectorRandomPoints/selectorRandomPoints.cpp
index 0963220b..a0556a09 100644
--- a/src/phasicFlow/structuredData/pointStructure/selectors/selectRandom/selectRandom.cpp
+++ b/src/phasicFlow/structuredData/pointStructure/selectors/selectorRandomPoints/selectorRandomPoints.cpp
@@ -19,13 +19,13 @@ Licence:
 -----------------------------------------------------------------------------*/
 
 
-#include "selectRandom.hpp"
+#include "selectorRandomPoints.hpp"
 #include "dictionary.hpp"
 #include "uniformRandomUint32.hpp"
 #include "Set.hpp"
 
 
-bool pFlow::selectRandom::selectAllPointsInRange()
+bool pFlow::selectorRandomPoints::selectAllPointsInRange()
 {
 	// to reduct allocations
 	uint32 maxNum = number_+1;
@@ -79,7 +79,7 @@ bool pFlow::selectRandom::selectAllPointsInRange()
 	
 }
 	
-pFlow::selectRandom::selectRandom
+pFlow::selectorRandomPoints::selectorRandomPoints
 (
 	const pointStructure& pStruct,
 	const dictionary& dict
@@ -91,15 +91,15 @@ pFlow::selectRandom::selectRandom
 	),
 	begin_
 	(
-		dict.subDict("selectRandomInfo").getVal<uint32>("begin")
+		dict.subDict("randomPointsInfo").getVal<uint32>("begin")
 	),
 	end_
 	(
-		dict.subDict("selectRandomInfo").getValOrSet("end", pStruct.size())
+		dict.subDict("randomPointsInfo").getValOrSet("end", pStruct.size())
 	),
 	number_
 	(
-		dict.subDict("selectRandomInfo").getValOrSet("number", 1)
+		dict.subDict("randomPointsInfo").getValOrSet("number", 1)
 	)
 {
 	begin_ 	= max(begin_,1u);
diff --git a/src/phasicFlow/structuredData/pointStructure/selectors/selectRandom/selectRandom.hpp b/src/phasicFlow/structuredData/pointStructure/selectors/selectorRandomPoints/selectorRandomPoints.hpp
similarity index 83%
rename from src/phasicFlow/structuredData/pointStructure/selectors/selectRandom/selectRandom.hpp
rename to src/phasicFlow/structuredData/pointStructure/selectors/selectorRandomPoints/selectorRandomPoints.hpp
index b132e9ee..22ddd4f3 100644
--- a/src/phasicFlow/structuredData/pointStructure/selectors/selectRandom/selectRandom.hpp
+++ b/src/phasicFlow/structuredData/pointStructure/selectors/selectorRandomPoints/selectorRandomPoints.hpp
@@ -31,11 +31,11 @@ namespace pFlow
 
 class dictionary;
 
-class selectRandom
+class selectorRandomPoints
 :
 	public pStructSelector
 {
-protected:
+private:
 	
 	uint32Vector selectedPoints_;
 
@@ -53,28 +53,28 @@ protected:
 public:
 
 	// - type info
-	TypeInfo("selectRandom");
+	TypeInfo("selector<randomPoints>");
 
 
-		selectRandom(const pointStructure& pStruct, const dictionary& dict);
+		selectorRandomPoints(const pointStructure& pStruct, const dictionary& dict);
 
 		add_vCtor
 		(
 			pStructSelector,
-			selectRandom,
+			selectorRandomPoints,
 			dictionary
 		);
 
-		virtual ~selectRandom() = default;
+		~selectorRandomPoints() final = default;
 
 	//// - Methods
 
-		virtual const uint32Vector& selectedPoinsts()const override
+		const uint32Vector& selectedPoints()const final
 		{
 			return selectedPoints_;
 		}
 
-		virtual uint32Vector& selectedPoinsts() override
+		uint32Vector& selectedPoints() final
 		{
 			return selectedPoints_;
 		}
diff --git a/src/phasicFlow/structuredData/pointStructure/selectors/selectRange/selectRange.cpp b/src/phasicFlow/structuredData/pointStructure/selectors/selectorStridedRange/selectorStridedRange.cpp
similarity index 81%
rename from src/phasicFlow/structuredData/pointStructure/selectors/selectRange/selectRange.cpp
rename to src/phasicFlow/structuredData/pointStructure/selectors/selectorStridedRange/selectorStridedRange.cpp
index ad7079e9..60c3c8fc 100644
--- a/src/phasicFlow/structuredData/pointStructure/selectors/selectRange/selectRange.cpp
+++ b/src/phasicFlow/structuredData/pointStructure/selectors/selectorStridedRange/selectorStridedRange.cpp
@@ -19,10 +19,10 @@ Licence:
 -----------------------------------------------------------------------------*/
 
 
-#include "selectRange.hpp"
+#include "selectorStridedRange.hpp"
 #include "dictionary.hpp"
 
-void pFlow::selectRange::selectAllPointsInRange()
+void pFlow::selectorStridedRange::selectAllPointsInRange()
 {
 	// to reduct allocations
 	uint32 maxNum = (end_ - begin_)/stride_+2;
@@ -37,7 +37,7 @@ void pFlow::selectRange::selectAllPointsInRange()
 	}
 }
 
-pFlow::selectRange::selectRange
+pFlow::selectorStridedRange::selectorStridedRange
 (
 	const pointStructure& pStruct,
 	const dictionary& dict
@@ -49,15 +49,15 @@ pFlow::selectRange::selectRange
 	),
 	begin_
 	(
-		dict.subDict("selectRangeInfo").getVal<uint32>("begin")
+		dict.subDict("stridedRangeInfo").getVal<uint32>("begin")
 	),
 	end_
 	(
-		dict.subDict("selectRangeInfo").getValOrSet<uint32>("end", pStruct.size())
+		dict.subDict("stridedRangeInfo").getValOrSet<uint32>("end", pStruct.size())
 	),
 	stride_
 	(
-		dict.subDict("selectRangeInfo").getValOrSet<uint32>("stride", 1u)
+		dict.subDict("stridedRangeInfo").getValOrSet<uint32>("stride", 1u)
 	)
 {
 	begin_ 	= max(begin_,1u);
diff --git a/src/phasicFlow/structuredData/pointStructure/selectors/selectRange/selectRange.hpp b/src/phasicFlow/structuredData/pointStructure/selectors/selectorStridedRange/selectorStridedRange.hpp
similarity index 83%
rename from src/phasicFlow/structuredData/pointStructure/selectors/selectRange/selectRange.hpp
rename to src/phasicFlow/structuredData/pointStructure/selectors/selectorStridedRange/selectorStridedRange.hpp
index 9c86625a..23e36684 100644
--- a/src/phasicFlow/structuredData/pointStructure/selectors/selectRange/selectRange.hpp
+++ b/src/phasicFlow/structuredData/pointStructure/selectors/selectorStridedRange/selectorStridedRange.hpp
@@ -31,11 +31,11 @@ namespace pFlow
 
 class dictionary;
 
-class selectRange
+class selectorStridedRange
 :
 	public pStructSelector
 {
-protected:
+private:
 	
 	uint32Vector selectedPoints_;
 
@@ -53,28 +53,28 @@ protected:
 public:
 
 	// - type info
-	TypeInfo("selectRange");
+	TypeInfo("selector<stridedRange>");
 
 
-		selectRange(const pointStructure& pStruct, const dictionary& dict);
+		selectorStridedRange(const pointStructure& pStruct, const dictionary& dict);
 
 		add_vCtor
 		(
 			pStructSelector,
-			selectRange,
+			selectorStridedRange,
 			dictionary
 		);
 
-		virtual ~selectRange() = default;
+		~selectorStridedRange() final = default;
 
 	//// - Methods
 
-		virtual const uint32Vector& selectedPoinsts()const override
+		const uint32Vector& selectedPoints()const final
 		{
 			return selectedPoints_;
 		}
 
-		virtual uint32Vector& selectedPoinsts() override
+		uint32Vector& selectedPoints() final
 		{
 			return selectedPoints_;
 		}
diff --git a/utilities/particlesPhasicFlow/setFields.hpp b/utilities/particlesPhasicFlow/setFields.hpp
index 0eb56745..48b19c4d 100755
--- a/utilities/particlesPhasicFlow/setFields.hpp
+++ b/utilities/particlesPhasicFlow/setFields.hpp
@@ -37,7 +37,7 @@ bool applySelector(systemControl& control, const pointStructure& pStruct, const
 	
 	auto selector = pStructSelector::create(pStruct, selDict);
 
-	auto& selected = selector().selectedPoinsts();
+	auto& selected = selector().selectedPoints();
 
 	uint32IndexContainer selIndex(selected.data(), selected.size());