diff --git a/src/phasicFlow/fileSystem/fileSystem.cpp b/src/phasicFlow/fileSystem/fileSystem.cpp
index c1abf154..3423ac0b 100644
--- a/src/phasicFlow/fileSystem/fileSystem.cpp
+++ b/src/phasicFlow/fileSystem/fileSystem.cpp
@@ -281,6 +281,15 @@ pFlow::fileSystem pFlow::operator /
 
 }
 
+pFlow::fileSystem pFlow::operator /
+(
+	const fileSystem& fs1,
+	const word& dir2 
+)
+{
+	return fs1/fileSystem(dir2, "");
+}
+
 pFlow::fileSystem pFlow::operator +
 (
 	const fileSystem& fs1,
diff --git a/src/phasicFlow/fileSystem/fileSystem.hpp b/src/phasicFlow/fileSystem/fileSystem.hpp
index 9eb70122..9f0d63d7 100644
--- a/src/phasicFlow/fileSystem/fileSystem.hpp
+++ b/src/phasicFlow/fileSystem/fileSystem.hpp
@@ -50,7 +50,13 @@ fileSystem operator /
 (
 	const fileSystem& fs1,
     const fileSystem& fs2
- );
+);
+
+fileSystem operator /
+(
+	const fileSystem& fs1,
+    const word& dir2
+);
 
 fileSystem operator +
 (
diff --git a/src/phasicFlow/repository/Time/timeControl.cpp b/src/phasicFlow/repository/Time/timeControl.cpp
index 701130e8..206da94e 100644
--- a/src/phasicFlow/repository/Time/timeControl.cpp
+++ b/src/phasicFlow/repository/Time/timeControl.cpp
@@ -117,6 +117,15 @@ pFlow::timeControl::timeControl(
 	checkForOutputToFile();
 }
 
+pFlow::real pFlow::timeControl::setTime(real t)
+{
+	real tmp = currentTime_;
+	currentTime_ = t;
+	lastSaved_ = t;
+	checkForOutputToFile();
+	return tmp;
+}
+
 pFlow::word pFlow::timeControl::timeName()const
 {
 	if(managedExternaly_)
@@ -167,8 +176,6 @@ void pFlow::timeControl::checkForOutputToFile()
 	}
 
 	outputToFile_ = save;
-
-
 }
 
 bool pFlow::timeControl::timersReportTime()const
diff --git a/src/phasicFlow/repository/Time/timeControl.hpp b/src/phasicFlow/repository/Time/timeControl.hpp
index 9503d8ea..64129ab0 100644
--- a/src/phasicFlow/repository/Time/timeControl.hpp
+++ b/src/phasicFlow/repository/Time/timeControl.hpp
@@ -108,14 +108,8 @@ public:
 		return dt_;
 	}
 
-	real setTime(real t)
-	{
-		real tmp = currentTime_;
-		currentTime_ = t;
-		lastSaved_ = t;
-		checkForOutputToFile();
-		return tmp;
-	}
+	real setTime(real t);
+	
 
 	void setStopAt(real sT)
 	{
diff --git a/src/phasicFlow/repository/systemControl/systemControl.hpp b/src/phasicFlow/repository/systemControl/systemControl.hpp
index 28d5542b..94d3b939 100644
--- a/src/phasicFlow/repository/systemControl/systemControl.hpp
+++ b/src/phasicFlow/repository/systemControl/systemControl.hpp
@@ -31,7 +31,6 @@ Licence:
 #include "types.hpp"
 #include "Time.hpp"
 #include "fileDictionary.hpp"
-#include "box.hpp"
 #include "Timers.hpp"
 #include "dynamicLinkLibs.hpp"
 #include "Set.hpp"
@@ -176,11 +175,6 @@ public:
 		return settingsDict_().getVal<realx3>("g");
 	}
 
-	/*inline box domain()
-	{
-		return box(domainDict().subDict("globalBox"));
-	}*/
-
 	bool operator ++(int);
 
 	void setSaveTimeFolder(
diff --git a/src/phasicFlow/structuredData/pointStructure/pointStructure.hpp b/src/phasicFlow/structuredData/pointStructure/pointStructure.hpp
index 51e76aea..27679178 100644
--- a/src/phasicFlow/structuredData/pointStructure/pointStructure.hpp
+++ b/src/phasicFlow/structuredData/pointStructure/pointStructure.hpp
@@ -147,6 +147,12 @@ public:
 		{
 			return simulationDomain_().thisDomain();
 		}
+
+		inline 
+		const auto& extendedDomain()const
+		{
+			return boundaries_.extendedDomain();
+		}
 		
 	// - IO methods 
 
diff --git a/utilities/CMakeLists.txt b/utilities/CMakeLists.txt
index db9fee8b..37a70ad1 100644
--- a/utilities/CMakeLists.txt
+++ b/utilities/CMakeLists.txt
@@ -5,7 +5,7 @@ add_subdirectory(particlesPhasicFlow)
 
 add_subdirectory(geometryPhasicFlow)
 
-#add_subdirectory(pFlowToVTK)
+add_subdirectory(pFlowToVTK)
 
 add_subdirectory(Utilities)
 
diff --git a/utilities/Utilities/CMakeLists.txt b/utilities/Utilities/CMakeLists.txt
index 47124ab0..729958ed 100644
--- a/utilities/Utilities/CMakeLists.txt
+++ b/utilities/Utilities/CMakeLists.txt
@@ -1,8 +1,8 @@
 
 set(SourceFiles 
 readFromTimeFolder.cpp
-readControlDict.cpp
-#vtkFile/vtkFile.cpp
+#readControlDict.cpp
+vtkFile/vtkFile.cpp
 geometryPhasicFlow/Wall/Wall.cpp 
 geometryPhasicFlow/planeWall/planeWall.cpp 
 #geometryPhasicFlow/stlWall/stlWall.cpp
diff --git a/utilities/pFlowToVTK/CMakeLists.txt b/utilities/pFlowToVTK/CMakeLists.txt
index db943590..353daa6b 100644
--- a/utilities/pFlowToVTK/CMakeLists.txt
+++ b/utilities/pFlowToVTK/CMakeLists.txt
@@ -1,7 +1,7 @@
 
 set(source_files 
 pFlowToVTK.cpp 
-geometric.cpp 
+#geometric.cpp 
 )
 set(link_lib phasicFlow Kokkos::kokkos Utilities)
 
diff --git a/utilities/pFlowToVTK/pFlowToVTK.cpp b/utilities/pFlowToVTK/pFlowToVTK.cpp
index f4a68e83..9046fb63 100755
--- a/utilities/pFlowToVTK/pFlowToVTK.cpp
+++ b/utilities/pFlowToVTK/pFlowToVTK.cpp
@@ -18,29 +18,19 @@ Licence:
 
 -----------------------------------------------------------------------------*/
 
-
+#include "vocabs.hpp"
 #include "systemControl.hpp"
-#include "pointFieldToVTK.hpp"
-#include "triSurfaceFieldToVTK.hpp"
 #include "timeFolder.hpp"
 #include "commandLine.hpp"
 #include "ranges.hpp"
-#include "readControlDict.hpp"
+#include "Vectors.hpp"
+#include "phasicFlowKokkos.hpp"
+#include "pointFieldToVTK.hpp"
+//#include "triSurfaceFieldToVTK.hpp"
+//#include "readControlDict.hpp"
 
 
-using pFlow::word;
-using pFlow::wordVector;
-using pFlow::geometryFolder__;
-using pFlow::timeFolder;
-using pFlow::fileSystem;
-using pFlow::wordList;
-using pFlow::IOfileHeader;
-using pFlow::objectFile;
-using pFlow::output;
-using pFlow::endl;
-using pFlow::multiTriSurface;
-using pFlow::commandLine;
-using pFlow::realCombinedRange;
+using namespace pFlow;
 
 int main(int argc, char** argv )
 {
@@ -68,6 +58,12 @@ int main(int argc, char** argv )
 		outFolder,
 		"path to output folder of VTK",
 		"path");
+	
+	bool separateSurfaces = false;
+	cmds.addOption(
+		"-s,--separate-surfaces",
+		separateSurfaces,
+		"surfaces in the geometry are converted separatedly");
 
 	wordVector fields;
 	bool 			 allFields = true;
@@ -92,7 +88,7 @@ int main(int argc, char** argv )
 
 
 	timeFolder folders(Control);
-	fileSystem destFolder = fileSystem(outFolder)/geometryFolder__;
+	fileSystem destFolder = fileSystem(outFolder)/word(geometryFolder__);
 	fileSystem destFolderField = fileSystem(outFolder);
 	wordList geomfiles{"triSurface"};
 
@@ -117,11 +113,11 @@ int main(int argc, char** argv )
 
 	do
 	{
-
+		Control.time().setTime(folders.time());
 		if( !validRange.isMember( folders.time() ) )continue;
 		
-		output<< "time: " << cyanText( folders.time() )<<" s" <<endl;
-		if(!noGoem)
+		output<< "time: " << Cyan_Text( folders.time() )<<" s" <<endl;
+		/*if(!noGoem)
 		{	
 			fileSystem geomFolder = folders.folder()/geometryFolder__;
 			if(!pFlow::TSFtoVTK::convertTimeFolderTriSurfaceFields(geomFolder, folders.time(), destFolder, "surface"))
@@ -129,7 +125,7 @@ int main(int argc, char** argv )
 				fatalExit;
 				return 1;
 			}	
-		}
+		}*/
 
 		if(!noParticle)
 		{
@@ -137,17 +133,15 @@ int main(int argc, char** argv )
 			if(allFields)
 			{
 				if( !pFlow::PFtoVTK::convertTimeFolderPointFields(
-					folders.folder(),
-					folders.time(),
+					Control,
 					destFolderField,
-					"sphereFields" )
-				)
+					"sphereFields" ))
 				{
 					fatalExit;
 				}
 			}else
 			{
-				if(!pFlow::PFtoVTK::convertTimeFolderPointFieldsSelected(
+				/*if(!pFlow::PFtoVTK::convertTimeFolderPointFieldsSelected(
 					folders.folder(),
 					folders.time(),
 					destFolderField,
@@ -157,7 +151,7 @@ int main(int argc, char** argv )
 				)
 				{
 					fatalExit;
-				}
+				}*/
 			}	
 		}
 		
diff --git a/utilities/pFlowToVTK/pointFieldToVTK.hpp b/utilities/pFlowToVTK/pointFieldToVTK.hpp
index 1229ab3d..587ee6a4 100755
--- a/utilities/pFlowToVTK/pointFieldToVTK.hpp
+++ b/utilities/pFlowToVTK/pointFieldToVTK.hpp
@@ -25,13 +25,15 @@ Licence:
 #include <regex>
 
 #include "vtkFile.hpp"
+#include "systemControl.hpp"
+#include "pointStructure.hpp"
 #include "pointFields.hpp"
-#include "IOobject.hpp"
+
 
 namespace pFlow::PFtoVTK
 {
 
-template<typename IntType, typename IncludeMaskType>
+/*template<typename IntType, typename IncludeMaskType>
 bool addIntPointField(
 	iOstream& 	os,
 	word 		fieldName,
@@ -53,7 +55,7 @@ bool addRealx3PointField(
 	word 		fieldName,
 	int32 		numActivePoints,
 	realx3* 	field,
-	IncludeMaskType includeMask );
+	IncludeMaskType includeMask );*/
 
 bool regexCheck(word TYPENAME, word fieldType)
 {
@@ -69,14 +71,10 @@ bool regexCheck(word TYPENAME, word fieldType)
 template<typename Type>
 bool checkFieldType(word objectType)
 {
-	//if( pointField<VectorSingle,Type>::TYPENAME() == objectType )return true;
-	//if( pointField<VectorSingle,Type, HostSpace>::TYPENAME() == objectType ) return true;
-	//if( pointField<VectorDual, Type>::TYPENAME() == objectType )return true;
-	return regexCheck(pointField<VectorSingle,Type>::TYPENAME(), objectType);
-	
+	return regexCheck(pointField<Type>::TYPENAME(), objectType);
 }
 
-template<typename T>
+/*template<typename T>
 bool convertIntPointField
 (
 	iOstream& os,
@@ -113,10 +111,10 @@ bool convertIntPointField
 		pStruct.numActive(),
 		data,
 		pStruct.activePointsMaskH() );
-}
+}*/
 
 
-bool convertRealTypePointField(
+/*bool convertRealTypePointField(
 	iOstream& os,
 	const IOfileHeader& header,
 	const pointStructure& pStruct)
@@ -144,9 +142,9 @@ bool convertRealTypePointField(
 		pStruct.numActive(),
 		data,
 		pStruct.activePointsMaskH() );
-}
+}*/
 
-bool convertRealx3TypePointField(
+/*bool convertRealx3TypePointField(
 	iOstream& os,
 	const IOfileHeader& header,
 	const pointStructure& pStruct)
@@ -174,50 +172,45 @@ bool convertRealx3TypePointField(
 		pStruct.numActive(),
 		data,
 		pStruct.activePointsMaskH() );
-}
+}*/
 
 
-template<typename IncludeMaskType>
 bool addUndstrcuturedGridField(
 	iOstream& 	os,
-	int32 		numActivePoints,
 	realx3* 	position,
-	IncludeMaskType includeMask)
+	uint32 		numPoints)
 {
 
-	auto [iFirst, iLast] = includeMask.activeRange();
-
 	os<< "DATASET UNSTRUCTURED_GRID\n";
-	os<< "POINTS "<< numActivePoints << " float\n"; 
+	os<< "POINTS "<< numPoints << " float\n"; 
 	
-	if(numActivePoints==0) return true;
+	if(numPoints==0) return true;
 	
-	for(int32 i=iFirst; i<iLast; ++i)
+	for(uint32 i=0; i<numPoints; i++)
 	{
-		if(includeMask(i))
-			os<< position[i].x()<<' '<< position[i].y()<<' '<<position[i].z()<<'\n';
+		os<< position[i].x()<<' '<< position[i].y()<<' '<<position[i].z()<<'\n';
 	}
 
-	os<<"CELLS "<< numActivePoints<<' '<< 2*numActivePoints<<'\n';
-	for(int32 i=0; i<numActivePoints; i++)
+	os<<"CELLS "<< numPoints<<' '<< 2*numPoints<<'\n';
+	for(uint32 i=0; i<numPoints; i++)
 	{
 		os<< 1 <<' '<< i<<'\n';
 	}
 
-	os<<"CELL_TYPES "<< numActivePoints<<'\n';
+	os<<"CELL_TYPES "<< numPoints<<'\n';
 
-	for(int32 i=0; i<numActivePoints; i++)
+	for(int32 i=0; i<numPoints; i++)
 	{
 		os<< 1 <<'\n';
 	}
 	
-	os << "POINT_DATA " << numActivePoints << endl;
+	os << "POINT_DATA " << numPoints << endl;
 
 	return true;
 }
 
 
-template<typename IntType, typename IncludeMaskType>
+/*template<typename IntType, typename IncludeMaskType>
 bool addIntPointField(
 	iOstream& 	os,
 	word 		fieldName,
@@ -238,9 +231,9 @@ bool addIntPointField(
 	}
 
 	return true;
-}
+}*/
 
-template<typename IncludeMaskType>
+/*template<typename IncludeMaskType>
 bool addRealPointField(
 	iOstream& 	os,
 	word 		fieldName,
@@ -260,9 +253,9 @@ bool addRealPointField(
 			os<< field[i] <<'\n';
 	}
 	return true;
-}
+}*/
 
-template<typename IncludeMaskType>
+/*template<typename IncludeMaskType>
 bool addRealx3PointField(
 	iOstream& 	os,
 	word 		fieldName,
@@ -283,16 +276,16 @@ bool addRealx3PointField(
 	}
 
 	return true;
-}
+}*/
 
 
 bool convertTimeFolderPointFields( 
-	fileSystem timeFolder,
-	real time,
+	systemControl& control,
 	fileSystem destPath,
 	word bName)
 {
 
+	fileSystem timeFolder = control.time().path();
 	// check if pointStructure exist in this folder 
 	IOfileHeader pStructHeader(
 		objectFile(
@@ -304,36 +297,35 @@ bool convertTimeFolderPointFields(
 
 	if( !pStructHeader.headerOk(true) )
 	{
-		output<<yellowColor<<"Time folder "<< timeFolder <<
+		output<<yellowColor<<"Time folder "<< control.time().path() <<
 		" does not contain any pStructure data file. Skipping this folder . . ."
 		<<defaultColor<<nl;
 		return true;
 	}
 
-	vtkFile vtk(destPath, bName, time);
+	vtkFile vtk(destPath, bName, control.time().currentTime());
 
 	if(!vtk) return false;
 
-	auto pStructObjPtr = IOobject::make<pointStructure>(pStructHeader);
-	auto& pStruct = pStructObjPtr().getObject<pointStructure>();
+	
+	auto pStruct = pointStructure(control);
 
 	// get a list of files in this timeFolder;
 
-	auto posVec = std::as_const(pStruct).pointPosition().hostVectorAll();
+	auto posVec = pStruct.pointPositionHost();
 	auto* pos = posVec.data();
 
-	REPORT(1)<<"Writing pointStructure to vtk file with "<< yellowText(pStruct.numActive())
-					 <<" active particles"<<endREPORT;
+	REPORT(1)<<"Writing pointStructure to vtk file with "<< Yellow_Text(pStruct.numActive())
+					 <<" active particles"<<END_REPORT;
 	addUndstrcuturedGridField(
 		vtk(),
-		pStruct.numActive(),
 		pos,
-		pStruct.activePointsMaskH());
+		pStruct.numActive());
 
-	auto fileList = containingFiles(timeFolder);
+	//auto fileList = containingFiles(timeFolder);
 
 
-	for(auto& file:fileList)
+	/*for(auto& file:fileList)
 	{
 		IOfileHeader fieldHeader(
 			objectFile(
@@ -350,7 +342,7 @@ bool convertTimeFolderPointFields(
 			convertRealTypePointField(vtk(), fieldHeader, pStruct);
 			convertRealx3TypePointField(vtk(), fieldHeader, pStruct);
 		}
-	}
+	}*/
 
 	return true;
 }
@@ -367,7 +359,7 @@ bool convertTimeFolderPointFieldsSelected(
 {
 
 	// check if pointStructure exist in this folder 
-	IOfileHeader pStructHeader(
+	/*IOfileHeader pStructHeader(
 		objectFile(
 			pointStructureFile__,
 			timeFolder,
@@ -438,7 +430,7 @@ bool convertTimeFolderPointFieldsSelected(
 				REPORT(1)<<"Could not find "<<yellowText(fieldAddress) <<" skipping . . ."<<endREPORT;
 			}
 		}
-	}
+	}*/
 
 	return true;
 }