diff --git a/examples/FDTD_examples.cpp b/examples/FDTD_examples.cpp
new file mode 100644
index 0000000..994d401
--- /dev/null
+++ b/examples/FDTD_examples.cpp
@@ -0,0 +1,172 @@
+#include "FDTD_examples.h"
+#include "../tools/constants.h"
+
+void BuildDipol(ContinuousStructure &CSX)
+{
+	CSPropMaterial* mat = new CSPropMaterial(CSX.GetParameterSet());
+	mat->SetKappa(0.001);
+	CSX.AddProperty(mat);
+
+	CSPrimBox* matbox = new CSPrimBox(CSX.GetParameterSet(),mat);
+	matbox->SetCoord(0,-1000.0);matbox->SetCoord(1,1000.0);
+	matbox->SetCoord(2,-1000.0);matbox->SetCoord(3,1000.0);
+	matbox->SetCoord(4,-1000.0);matbox->SetCoord(5,1000.0);
+	CSX.AddPrimitive(matbox);
+
+	CSPropElectrode* elec = new CSPropElectrode(CSX.GetParameterSet());
+	elec->SetExcitation(1,1);
+	elec->SetExcitType(1);
+	elec->SetActiveDir(0,0);//disable x
+	elec->SetActiveDir(0,2);//disable z
+//	elec->SetDelay(2.0e-9);
+	CSX.AddProperty(elec);
+
+	CSPrimBox* box = new CSPrimBox(CSX.GetParameterSet(),elec);
+	box->SetCoord(0,-10.0);box->SetCoord(1,10.0);
+	box->SetCoord(2,-75.0);box->SetCoord(3,75.0);
+	box->SetCoord(4,-10.0);box->SetCoord(5,10.0);
+	CSX.AddPrimitive(box);
+
+	CSRectGrid* grid = CSX.GetGrid();
+
+	for (int n=-990;n<=990;n+=20)
+		grid->AddDiscLine(2,(double)n);
+	for (int n=-990;n<=990;n+=20)
+		grid->AddDiscLine(0,(double)n);
+	for (int n=-990;n<=990;n+=20)
+		grid->AddDiscLine(1,(double)n);
+
+	grid->SetDeltaUnit(1e-3);
+
+	CSX.Write2XML("tmp/Dipol.xml");
+}
+
+void BuildPlaneWave(ContinuousStructure &CSX)
+{
+//	CSPropMaterial* mat = new CSPropMaterial(CSX.GetParameterSet());
+////	mat->SetKappa(0.001);
+//	CSX.AddProperty(mat);
+//
+//	CSPrimBox* matbox = new CSPrimBox(CSX.GetParameterSet(),mat);
+//	matbox->SetCoord(0,-1000.0);matbox->SetCoord(1,1000.0);
+//	matbox->SetCoord(2,-1000.0);matbox->SetCoord(3,1000.0);
+//	matbox->SetCoord(4,-4000.0);matbox->SetCoord(5,4000.0);
+//	CSX.AddPrimitive(matbox);
+
+	CSPropElectrode* elec = new CSPropElectrode(CSX.GetParameterSet());
+	elec->SetExcitation(1,1);
+	elec->SetExcitType(0);
+	elec->SetActiveDir(0,0);//disable x
+	elec->SetActiveDir(0,2);//disable z
+//	elec->SetDelay(2.0e-9);
+	CSX.AddProperty(elec);
+
+	CSPrimBox* box = new CSPrimBox(CSX.GetParameterSet(),elec);
+	box->SetCoord(0,-500.0);box->SetCoord(1,500.0);
+	box->SetCoord(2,-500.0);box->SetCoord(3,500.0);
+	box->SetCoord(4,-4000.0);box->SetCoord(5,-4000.0);
+	CSX.AddPrimitive(box);
+
+	CSPropMetal* metal = new CSPropMetal(CSX.GetParameterSet());
+	CSX.AddProperty(metal);
+	CSPrimCylinder* cyl = new CSPrimCylinder(CSX.GetParameterSet(),metal);
+	cyl->SetRadius(100);
+	cyl->SetCoord(0,0.0);cyl->SetCoord(1,0.0);
+	cyl->SetCoord(2,-250.0);cyl->SetCoord(3,250.0);
+	cyl->SetCoord(4,-0000.0);cyl->SetCoord(5,-0000.0);
+	CSX.AddPrimitive(cyl);
+
+	CSRectGrid* grid = CSX.GetGrid();
+
+	for (int n=-500;n<=500;n+=20)
+		grid->AddDiscLine(0,(double)n);
+	for (int n=-500;n<=500;n+=20)
+		grid->AddDiscLine(1,(double)n);
+	for (int n=-4000;n<=4000;n+=20)
+		grid->AddDiscLine(2,(double)n);
+
+	grid->SetDeltaUnit(1e-3);
+
+	CSX.Write2XML("tmp/PlaneWave.xml");
+}
+
+void BuildMSL(ContinuousStructure &CSX)
+{
+	double width = 1000;
+	double hight = 500;
+	double length = 2000;
+	double abs_l = 200;
+
+	//substrate....
+	CSPropMaterial* mat = new CSPropMaterial(CSX.GetParameterSet());
+//	mat->SetEpsilon(3.6);
+	double finalKappa = 3.0/pow(abs_l,4);
+	mat->SetKappa(finalKappa);
+	std::ostringstream fct;
+	fct << "pow(abs(z)-" << length/2.0-abs_l << ",4)";
+	mat->SetKappaWeightFunction(fct.str(),0);
+	mat->SetKappaWeightFunction(fct.str(),1);
+	mat->SetKappaWeightFunction(fct.str(),2);
+	mat->SetSigma(finalKappa*__MUE0__/__EPS0__);
+	mat->SetSigmaWeightFunction(fct.str(),0);
+	mat->SetSigmaWeightFunction(fct.str(),1);
+	mat->SetSigmaWeightFunction(fct.str(),2);
+	CSX.AddProperty(mat);
+	CSPrimBox* box = new CSPrimBox(CSX.GetParameterSet(),mat);
+	box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
+	box->SetCoord(2,0.0);box->SetCoord(3,hight);
+	box->SetCoord(4,length/2.0-abs_l); box->SetCoord(5,length/2.0);
+	CSX.AddPrimitive(box);
+//	box = new CSPrimBox(CSX.GetParameterSet(),mat);
+//	box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
+//	box->SetCoord(2,0.0);box->SetCoord(3,hight);
+//	box->SetCoord(4,length/-2.0+abs_l); box->SetCoord(5,length/-2.0);
+//	CSX.AddPrimitive(box);
+
+	//MSL
+	CSPropMetal* MSL = new CSPropMetal(CSX.GetParameterSet());
+	CSX.AddProperty(MSL);
+	box = new CSPrimBox(CSX.GetParameterSet(),MSL);
+	box->SetCoord(0,-40.0);box->SetCoord(1,40.0);
+	box->SetCoord(2,50.0);box->SetCoord(3,50.0);
+	box->SetCoord(4,length/-2);box->SetCoord(5,length/2.0);
+	box->SetPriority(100);
+	CSX.AddPrimitive(box);
+
+	//MSL excite...
+	CSPropElectrode* elec = new CSPropElectrode(CSX.GetParameterSet());
+	elec->SetExcitation(-1,1);
+	elec->SetExcitType(0);
+//	elec->SetDelay(2.0e-9);
+	CSX.AddProperty(elec);
+	box = new CSPrimBox(CSX.GetParameterSet(),elec);
+	box->SetCoord(0,-40.0);box->SetCoord(1,40.0);
+	box->SetCoord(2,0.0);box->SetCoord(3,50.0);
+	box->SetCoord(4,length/-2.0);box->SetCoord(5,length/-2.0);
+	CSX.AddPrimitive(box);
+
+	//E-field dump
+	CSPropDumpBox* Edump = new CSPropDumpBox(CSX.GetParameterSet());
+	Edump->SetEFieldDump(true);
+	CSX.AddProperty(Edump);
+	box = new CSPrimBox(CSX.GetParameterSet(),Edump);
+	box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
+	box->SetCoord(2,25.0);box->SetCoord(3,25.);
+	box->SetCoord(4,length/-2.0);box->SetCoord(5,length/2.0);
+	CSX.AddPrimitive(box);
+
+	CSRectGrid* grid = CSX.GetGrid();
+
+	for (double n=width/-2.0;n<=width/2;n+=20)
+		grid->AddDiscLine(0,n);
+	for (double n=0;n<=500;n+=10)
+		grid->AddDiscLine(1,n);
+	for (double n=length/-2.0;n<=length/2.0;n+=20)
+		grid->AddDiscLine(2,n);
+
+	grid->SetDeltaUnit(1e-3);
+
+	CSX.Write2XML("tmp/MSL.xml");
+}
+
+
diff --git a/examples/FDTD_examples.h b/examples/FDTD_examples.h
new file mode 100644
index 0000000..e4737ff
--- /dev/null
+++ b/examples/FDTD_examples.h
@@ -0,0 +1,12 @@
+#ifndef FDTD_EXAMPLES_H
+#define FDTD_EXAMPLES_H
+
+#include "ContinuousStructure.h"
+
+void BuildDipol(ContinuousStructure &CSX);
+
+void BuildPlaneWave(ContinuousStructure &CSX);
+
+void BuildMSL(ContinuousStructure &CSX);
+
+#endif // FDTD_EXAMPLES_H
diff --git a/main.cpp b/main.cpp
index bdc61f6..681dfe7 100644
--- a/main.cpp
+++ b/main.cpp
@@ -11,11 +11,9 @@
 
 #include "ContinuousStructure.h"
 
-using namespace std;
+#include "examples/FDTD_examples.h"
 
-void BuildMSL(ContinuousStructure &CSX);
-void BuildDipol(ContinuousStructure &CSX);
-void BuildPlaneWave(ContinuousStructure &CSX);
+using namespace std;
 
 int main(int argc, char *argv[])
 {
@@ -69,29 +67,37 @@ int main(int argc, char *argv[])
 
 	unsigned int maxIter = 1800;
 
+	vector<CSProperties*> DumpProps = CSX.GetPropertyByType(CSProperties::DUMPBOX);
+	vector<ProcessFieldsTD*> TD_Dump;
 	ProcessFieldsTD PETD(&cop,&eng);
-	start[0]=-500;start[1]=25;start[2]=-800;
-	stop[0] = 500;stop[1] =24;stop[2] = 800;
-//	start[0]=-300;start[1]=0;start[2]=-4000;
-//	stop[0]=300;stop[1]=300;stop[2]=-4000;
-	PETD.SetDumpType(0);
-	PETD.SetFilePattern("tmp/Et_");
-	PETD.DefineStartStopCoord(start,stop);
-
-	ProcessFieldsTD PHTD(&cop,&eng);
-	start[0]=-1000;start[2]=0;start[1]=-1000;
-	stop[0]=1000;stop[2]=0;stop[1]=1000;
-	PHTD.SetDumpType(1);
-	PHTD.SetFilePattern("tmp/Ht_");
-	PHTD.DefineStartStopCoord(start,stop);
+	if (DumpProps.size()>0)
+	{
+		CSPrimitives* prim = DumpProps.at(0)->GetPrimitive(0);
+		bool acc;
+		double* bnd = prim->GetBoundBox(acc);
+		start[0]= bnd[0];start[1]=bnd[2];start[2]=bnd[4];
+		stop[0] = bnd[1];stop[1] =bnd[3];stop[2] =bnd[5];
+		CSPropDumpBox* db = DumpProps.at(0)->ToDumpBox();
+		if (db)
+		{
+			if (db->GetEFieldDump())
+			{
+				PETD.SetDumpType(0);
+				PETD.SetFilePattern("tmp/Et_");
+			}
+			else
+				PETD.SetEnable(false);
+		}
+		else
+			PETD.SetEnable(false);
+		PETD.DefineStartStopCoord(start,stop);
+	}
 
 	PETD.SetEnable(true);
-	PHTD.SetEnable(false);
 
 	PV.Process();
 	PCurr.Process();
 	PETD.Process();
-	PHTD.Process();	
 
 	//*************** simulate ************//
 	for (unsigned int i=0;i<maxIter;i+=NrIter)
@@ -100,7 +106,6 @@ int main(int argc, char *argv[])
 		PV.Process();
 		PCurr.Process();
 		PETD.Process();
-		PHTD.Process();
 	}
 
 	//*************** postproc ************//
@@ -113,167 +118,3 @@ int main(int argc, char *argv[])
 	cerr << "Speed: " << (double)cop.GetNumberCells()*(double)eng.GetNumberOfTimesteps()/t_diff/1e6 << " MCells/s " << endl;
     return 0;
 }
-
-void BuildDipol(ContinuousStructure &CSX)
-{
-	CSPropMaterial* mat = new CSPropMaterial(CSX.GetParameterSet());
-	mat->SetKappa(0.001);
-	CSX.AddProperty(mat);
-
-	CSPrimBox* matbox = new CSPrimBox(CSX.GetParameterSet(),mat);
-	matbox->SetCoord(0,-1000.0);matbox->SetCoord(1,1000.0);
-	matbox->SetCoord(2,-1000.0);matbox->SetCoord(3,1000.0);
-	matbox->SetCoord(4,-1000.0);matbox->SetCoord(5,1000.0);
-	CSX.AddPrimitive(matbox);
-
-	CSPropElectrode* elec = new CSPropElectrode(CSX.GetParameterSet());
-	elec->SetExcitation(1,1);
-	elec->SetExcitType(1);
-	elec->SetActiveDir(0,0);//disable x
-	elec->SetActiveDir(0,2);//disable z
-//	elec->SetDelay(2.0e-9);
-	CSX.AddProperty(elec);
-
-	CSPrimBox* box = new CSPrimBox(CSX.GetParameterSet(),elec);
-	box->SetCoord(0,-10.0);box->SetCoord(1,10.0);
-	box->SetCoord(2,-75.0);box->SetCoord(3,75.0);
-	box->SetCoord(4,-10.0);box->SetCoord(5,10.0);
-	CSX.AddPrimitive(box);
-
-	CSRectGrid* grid = CSX.GetGrid();
-
-	for (int n=-990;n<=990;n+=20)
-		grid->AddDiscLine(2,(double)n);
-	for (int n=-990;n<=990;n+=20)
-		grid->AddDiscLine(0,(double)n);
-	for (int n=-990;n<=990;n+=20)
-		grid->AddDiscLine(1,(double)n);
-
-	grid->SetDeltaUnit(1e-3);
-
-	CSX.Write2XML("tmp/Dipol.xml");
-}
-
-void BuildPlaneWave(ContinuousStructure &CSX)
-{
-//	CSPropMaterial* mat = new CSPropMaterial(CSX.GetParameterSet());
-////	mat->SetKappa(0.001);
-//	CSX.AddProperty(mat);
-//
-//	CSPrimBox* matbox = new CSPrimBox(CSX.GetParameterSet(),mat);
-//	matbox->SetCoord(0,-1000.0);matbox->SetCoord(1,1000.0);
-//	matbox->SetCoord(2,-1000.0);matbox->SetCoord(3,1000.0);
-//	matbox->SetCoord(4,-4000.0);matbox->SetCoord(5,4000.0);
-//	CSX.AddPrimitive(matbox);
-
-	CSPropElectrode* elec = new CSPropElectrode(CSX.GetParameterSet());
-	elec->SetExcitation(1,1);
-	elec->SetExcitType(0);
-	elec->SetActiveDir(0,0);//disable x
-	elec->SetActiveDir(0,2);//disable z
-//	elec->SetDelay(2.0e-9);
-	CSX.AddProperty(elec);
-
-	CSPrimBox* box = new CSPrimBox(CSX.GetParameterSet(),elec);
-	box->SetCoord(0,-500.0);box->SetCoord(1,500.0);
-	box->SetCoord(2,-500.0);box->SetCoord(3,500.0);
-	box->SetCoord(4,-4000.0);box->SetCoord(5,-4000.0);
-	CSX.AddPrimitive(box);
-
-	CSPropMetal* metal = new CSPropMetal(CSX.GetParameterSet());
-	CSX.AddProperty(metal);
-	CSPrimCylinder* cyl = new CSPrimCylinder(CSX.GetParameterSet(),metal);
-	cyl->SetRadius(100);
-	cyl->SetCoord(0,0.0);cyl->SetCoord(1,0.0);
-	cyl->SetCoord(2,-250.0);cyl->SetCoord(3,250.0);
-	cyl->SetCoord(4,-0000.0);cyl->SetCoord(5,-0000.0);
-	CSX.AddPrimitive(cyl);
-
-	CSRectGrid* grid = CSX.GetGrid();
-
-	for (int n=-500;n<=500;n+=20)
-		grid->AddDiscLine(0,(double)n);
-	for (int n=-500;n<=500;n+=20)
-		grid->AddDiscLine(1,(double)n);
-	for (int n=-4000;n<=4000;n+=20)
-		grid->AddDiscLine(2,(double)n);
-
-	grid->SetDeltaUnit(1e-3);
-
-	CSX.Write2XML("tmp/PlaneWave.xml");
-}
-
-void BuildMSL(ContinuousStructure &CSX)
-{
-	double width = 1000;
-	double hight = 500;
-	double length = 2000;
-	double abs_l = 200;
-
-	//substrate....
-	CSPropMaterial* mat = new CSPropMaterial(CSX.GetParameterSet());
-//	mat->SetEpsilon(3.6);
-	double finalKappa = 3/pow(abs_l,4);
-	mat->SetKappa(finalKappa);
-	std::ostringstream fct;
-	fct << "pow(abs(z)-" << length/2.0-abs_l << ",4)";
-	mat->SetKappaWeightFunction(fct.str(),0);
-	mat->SetKappaWeightFunction(fct.str(),1);
-	mat->SetKappaWeightFunction(fct.str(),2);
-	mat->SetSigma(finalKappa*__MUE0__/__EPS0__);
-	mat->SetSigmaWeightFunction(fct.str(),0);
-	mat->SetSigmaWeightFunction(fct.str(),1);
-	mat->SetSigmaWeightFunction(fct.str(),2);
-	CSX.AddProperty(mat);
-	CSPrimBox* box = new CSPrimBox(CSX.GetParameterSet(),mat);
-	box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
-	box->SetCoord(2,0.0);box->SetCoord(3,hight);
-	box->SetCoord(4,length/2.0-abs_l); box->SetCoord(5,length/2.0);
-	CSX.AddPrimitive(box);
-	box = new CSPrimBox(CSX.GetParameterSet(),mat);
-	box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
-	box->SetCoord(2,0.0);box->SetCoord(3,hight);
-	box->SetCoord(4,length/-2.0+abs_l); box->SetCoord(5,length/-2.0);
-	CSX.AddPrimitive(box);
-
-//	double coords[]={0,0,length/2};
-//	cerr << fct.str() << endl;
-//	cerr << finalKappa*pow(abs_l,4) << endl;
-//	cerr << mat->GetKappaWeighted(0,coords) << endl;
-//	exit(0);
-
-	//MSL
-	CSPropMetal* MSL = new CSPropMetal(CSX.GetParameterSet());
-//	MSL->SetKappa(56e6);
-	CSX.AddProperty(MSL);
-	box = new CSPrimBox(CSX.GetParameterSet(),MSL);
-	box->SetCoord(0,-40.0);box->SetCoord(1,40.0);
-	box->SetCoord(2,50.0);box->SetCoord(3,50.0);
-	box->SetCoord(4,length/-2);box->SetCoord(5,length/2.0);
-	CSX.AddPrimitive(box);
-
-	//MSL excite...
-	CSPropElectrode* elec = new CSPropElectrode(CSX.GetParameterSet());
-	elec->SetExcitation(-1,1);
-	elec->SetExcitType(1);
-//	elec->SetDelay(2.0e-9);
-	CSX.AddProperty(elec);
-	box = new CSPrimBox(CSX.GetParameterSet(),elec);
-	box->SetCoord(0,-40.0);box->SetCoord(1,40.0);
-	box->SetCoord(2,0.0);box->SetCoord(3,50.0);
-	box->SetCoord(4,length/-2.0);box->SetCoord(5,length/-2.0);
-	CSX.AddPrimitive(box);
-
-	CSRectGrid* grid = CSX.GetGrid();
-
-	for (double n=width/-2.0;n<=width/2;n+=20)
-		grid->AddDiscLine(0,n);
-	for (double n=0;n<=500;n+=10)
-		grid->AddDiscLine(1,n);
-	for (double n=length/-2.0;n<=length/2.0;n+=20)
-		grid->AddDiscLine(2,n);
-
-	grid->SetDeltaUnit(1e-3);
-
-	CSX.Write2XML("tmp/MSL.xml");
-}
diff --git a/openEMS.pro b/openEMS.pro
index 7b857bd..5e1cb52 100644
--- a/openEMS.pro
+++ b/openEMS.pro
@@ -25,7 +25,8 @@ SOURCES += main.cpp \
     FDTD/processing.cpp \
     FDTD/processfields.cpp \
     FDTD/processfields_td.cpp \
-    FDTD/processcurrent.cpp
+    FDTD/processcurrent.cpp \
+    examples/FDTD_examples.cpp
 HEADERS += tools/ErrorMsg.h \
     tools/AdrOp.h \
     tools/constants.h \
@@ -36,4 +37,5 @@ HEADERS += tools/ErrorMsg.h \
     FDTD/processing.h \
     FDTD/processfields.h \
     FDTD/processfields_td.h \
-    FDTD/processcurrent.h
+    FDTD/processcurrent.h \
+    examples/FDTD_examples.h