diff --git a/main.cpp b/main.cpp
index 14958bf..58d93fa 100644
--- a/main.cpp
+++ b/main.cpp
@@ -13,40 +13,19 @@
 #include "outils.h"
 #include <liblas/liblas.hpp>
 
-
-
-
-
-int Convertion(double &x,
-				double &y,
-				double &z,
-				unsigned long int EPSG_In,
-				unsigned long int EPSG_Out)
+int Convertion(double &x, double &y, double &z, unsigned long int EPSG_In, unsigned long int EPSG_Out)
 {
+	std::string input = "+init=epsg:" + outils::ToString(EPSG_In);
+	std::string output = "+init=epsg:" + outils::ToString(EPSG_Out);
+	
+	projPJ source = pj_init_plus(input.c_str());
+  	projPJ target = pj_init_plus(output.c_str());
 
-		std::string input="+init=epsg:"+outils::ToString(EPSG_In);
-	std::string output="+init=epsg:"+outils::ToString(EPSG_Out);
-		  projPJ source = pj_init_plus(input.c_str());
-  projPJ target = pj_init_plus(output.c_str());
-
-if(source==NULL || target==NULL)
-    return 1;
-
-
-  int success = pj_transform(source, target, 1, 1, &x, &y, &z );
-
-  return success;
-
+	if(source == NULL || target == NULL) return 1;
 
+	return pj_transform(source, target, 1, 1, &x, &y, &z );
 }
 
-
-
-
-
-
-
-
 //---------------------------------------------------------------------------------------------
 
 int main(int argc, char **argv)
@@ -56,58 +35,42 @@ int main(int argc, char **argv)
 	// RGF 93 CC45 3945 
 	// RGF93 L93 2154
 
-
-	std::string message_erreur="erreur attendu nom_exe fichier_las_in fichier_las_out epsg_in epsg_out  type_unite_entree (0 radian/metres 1-> degrees decimaux) type_unite_sortie (0 radian metre 1 -> degrees decimaux)";
+	std::string message_erreur = "erreur attendu nom_exe fichier_las_in fichier_las_out epsg_in epsg_out  type_unite_entree (0 radian/metres 1-> degrees decimaux) type_unite_sortie (0 radian metre 1 -> degrees decimaux)";
 	affichage_console::afficheLogoSncf();
 
-
-	if(argc!=7)
+	if(argc != 7)
 	{
-
-		std::cerr<<message_erreur<<std::endl;
+		std::cerr << message_erreur << std::endl;
 		return 1;
 	}
 
+	std::string fichier_in_las = argv[1];
+	std::string fichier_out_las = argv[2];
 
 
+	unsigned long int EPSG_IN = std::atoi(argv[3]);
+	unsigned long int EPSG_OUT = std::atoi(argv[4]);
+	unsigned long int type_entree = std::atoi(argv[5]); // 0 metres ou des radians 1 degrees decimaux
+	unsigned long int type_sortie = std::atoi(argv[6]); // 0 metres ou des radians 1 degree decimaux
 
+	std::string input = "+init=epsg:" + outils::ToString(EPSG_IN);
+	std::string output = "+init=epsg:" + outils::ToString(EPSG_OUT);
+	
+	projPJ source = pj_init_plus(input.c_str());
+	projPJ target = pj_init_plus(output.c_str());
 
-
-	std::string fichier_in_las=argv[1];
-
-	std::string fichier_out_las=argv[2];
-
-
-	unsigned long int EPSG_IN=std::atoi(argv[3]);
-	unsigned long int EPSG_OUT=std::atoi(argv[4]);
-	unsigned long int type_entree=std::atoi(argv[5]); // 0 metres ou des radians 1 degrees decimaux
-	unsigned long int type_sortie=std::atoi(argv[6]); // 0 metres ou des radians 1 degree decimaux
-
-	std::string input="+init=epsg:"+outils::ToString(EPSG_IN);
-	std::string output="+init=epsg:"+outils::ToString(EPSG_OUT);
-		  projPJ source = pj_init_plus(input.c_str());
-  projPJ target = pj_init_plus(output.c_str());
-
-if(source==NULL || target==NULL)
-{
-
-std::cerr<<"erreur a la definition de la projection"<<std::endl;
-	    return 1;
-
-}
-
-
-
-
+	if(source==NULL || target==NULL)
+	{
+		std::cerr << "erreur a la definition de la projection" << std::endl;
+	    	return 1;
+	}
 
 	// je cree les flux
-
-
 	std::ifstream ifs(fichier_in_las.c_str(), std::ios::in | std::ios::binary);
 
 	if(ifs.fail())
 	{
-		std::cerr<<"erreur d ouvrir un flux de lecture pour "<<fichier_in_las<<std::endl;
+		std::cerr << "erreur d ouvrir un flux de lecture pour " << fichier_in_las<< std::endl;
 		return 1;
 	}
 
@@ -117,99 +80,69 @@ std::cerr<<"erreur a la definition de la projection"<<std::endl;
 
 	liblas::Header header = reader.GetHeader();
 
-	std::ofstream flux_out(fichier_out_las.c_str(),std::ios::out|std::ios::trunc|std::ios::binary);
+	std::ofstream flux_out(fichier_out_las.c_str(), std::ios::out | std::ios::trunc | std::ios::binary);
+	
 	if(flux_out.fail())
 	{
 
 		std::cerr<<"erreur a l ouverture du flux pour "<<fichier_out_las<<std::endl;
 		return 1;
 	}
+	
 	// modification du header
 	liblas::Header header_writer = header;
 
+	double x_offset = header.GetOffsetX();
+	double y_offset = header.GetOffsetY();
+	double z_offset = header.GetOffsetZ();
 
+	double x_max = header.GetMaxX();
+	double y_max = header.GetMaxY();
+	double z_max = header.GetMaxZ();
 
+	double x_min = header.GetMinX();
+	double y_min = header.GetMinY();
+	double z_min = header.GetMinZ();
 
-	double x_offset=header.GetOffsetX();
-	double y_offset=header.GetOffsetY();
-	double z_offset=header.GetOffsetZ();
-
-
-	double x_max=header.GetMaxX();
-	double y_max=header.GetMaxY();
-	double z_max=header.GetMaxZ();
-
-	double x_min=header.GetMinX();
-	double y_min=header.GetMinY();
-	double z_min=header.GetMinZ();
-
-
-
-	if(type_entree==1)
+	if(type_entree == 1)
 	{
-		x_offset=outils::DegToRad(x_offset);
-		y_offset=outils::DegToRad(y_offset);
-
-
-		x_max=outils::DegToRad(x_max);
-		y_max=outils::DegToRad(y_max);
-		x_min=outils::DegToRad(x_min);
-		y_min=outils::DegToRad(y_min);
-
+		x_offset = outils::DegToRad(x_offset);
+		y_offset = outils::DegToRad(y_offset);
 
+		x_max = outils::DegToRad(x_max);
+		y_max = outils::DegToRad(y_max);
+		
+		x_min = outils::DegToRad(x_min);
+		y_min = outils::DegToRad(y_min);
 	}
-
-
 	
-	if(0!=Convertion(x_offset,y_offset,z_offset,EPSG_IN,EPSG_OUT))
+	if(0 != Convertion(x_offset,y_offset,z_offset,EPSG_IN,EPSG_OUT))
 	{
-
-		std::cerr<<"erreur a la convertion de coordonnee"<<std::endl;
+		std::cerr << "erreur a la convertion de coordonnee" << std::endl;
 		return 1;
 	}
 
 
 
-	if(0!=Convertion(x_max,y_max,z_max,EPSG_IN,EPSG_OUT))
+	if(0 != Convertion(x_max,y_max,z_max,EPSG_IN,EPSG_OUT))
 	{
-
-		std::cerr<<"erreur a la convertion de coordonnee"<<std::endl;
+		std::cerr << "erreur a la convertion de coordonnee" << std::endl;
 		return 1;
 	}
 
 
-	if(0!=Convertion(x_min,y_min,z_min,EPSG_IN,EPSG_OUT))
+	if(0 != Convertion(x_min,y_min,z_min,EPSG_IN,EPSG_OUT))
 	{
-
-		std::cerr<<"erreur a la convertion de coordonnee"<<std::endl;
+		std::cerr <<"erreur a la convertion de coordonnee" << std::endl;
 		return 1;
 	}
 
-
-
-	
-
 	header_writer.SetSoftwareId("SNCF lidar tools");
 
-
-
-	if(type_sortie==0)
-	{
-		header_writer.SetScale(0.0001, 
-			0.0001,
-			0.0001);
-	}
-	else if(type_sortie==1)
-	{
-		header_writer.SetScale(0.0000000001,
-			0.0000000001,
-			0.0001);
-
-	}
+	if(type_sortie == 0) header_writer.SetScale(0.0001, 0.0001, 0.0001);
+	else if(type_sortie == 1) header_writer.SetScale(0.0000000001, 0.0000000001, 0.0001);
 	
-
-
-		if(type_sortie==1)
+	if(type_sortie == 1)
 	{
 		x_offset=outils::RadToDeg(x_offset);
 		y_offset=outils::RadToDeg(y_offset);
@@ -217,11 +150,8 @@ std::cerr<<"erreur a la definition de la projection"<<std::endl;
 		y_max=outils::RadToDeg(y_max);
 		x_min=outils::RadToDeg(x_min);
 		y_min=outils::RadToDeg(y_min);
-
-
 	}
 
-
 	header_writer.SetOffset(x_offset, y_offset, z_offset);
 
 	liblas::Bounds<double > mon_bounds(x_min,y_min,z_min,x_max,y_max,z_max);
@@ -229,79 +159,54 @@ std::cerr<<"erreur a la definition de la projection"<<std::endl;
 
 
 	// ici d'autres modif eventuelles;
-
 	liblas::Writer writer(flux_out, header_writer);
-
-		 unsigned long int compteur=0;
-	 while (reader.ReadNextPoint())
-    {
+	unsigned long int compteur = 0;
+	while (reader.ReadNextPoint())
+    	{
 		compteur++;
-		if(compteur%1000000==0)
-		{
-
-			std::cerr<<"pts traite : "<<compteur<<std::endl;
-		}
-
-
-
-        liblas::Point const& p_read = reader.GetPoint();
-
-					 liblas::Point p_write(&(writer.GetHeader()));;
-
-					 p_write.SetData(p_read.GetData());
+		if(compteur % 1000000 == 0) std::cerr << "pts traite : " << compteur << std::endl;
+		
+		liblas::Point const& p_read = reader.GetPoint();
+		liblas::Point p_write(&(writer.GetHeader()));;
+		
+		p_write.SetData(p_read.GetData());
 
-					 double x=p_read.GetX();
-					 double y=p_read.GetY();
-					 double z=p_read.GetZ();
-
-					 	if(type_entree==1)
-	{
-		x=outils::DegToRad(x);
-		y=outils::DegToRad(y);
-		z=outils::DegToRad(z);
-	}
+		double x = p_read.GetX();
+		double y = p_read.GetY();
+		double z = p_read.GetZ();
 
+		if(type_entree == 1)
+		{
+			x = outils::DegToRad(x);
+			y = outils::DegToRad(y);
+			z = outils::DegToRad(z);
+		}
 
-//std::cerr<<x<<";"<<y<<","<<z<<std::endl;
-	if(0!=pj_transform(source, target, 1, 1, &x, &y, &z ))
-	{
 
-		std::cerr<<"erreur a la convertion de coordonnee"<<std::endl;
-		return 1;
-	}
+		if(0 != pj_transform(source, target, 1, 1, &x, &y, &z ))
+		{
+	
+			std::cerr << "erreur a la convertion de coordonnee" << std::endl;
+			return 1;
+		}
 
 	
-		if(type_sortie==1)
-	{
-		x=outils::RadToDeg(x);
-		y=outils::RadToDeg(y);
-	}
+		if(type_sortie == 1)
+		{
+			x = outils::RadToDeg(x);
+			y = outils::RadToDeg(y);
+		}
 
-   				 p_write.SetX(x);
-				 p_write.SetY(y);
-				 p_write.SetZ(z);
+   		p_write.SetX(x);
+		p_write.SetY(y);
+		p_write.SetZ(z);
 		
-	         writer.WritePoint(p_write);
-
-
-
-
-    }
-
-
-
-
-
-    ifs.close();
-
-
-
-
+	        writer.WritePoint(p_write);
+	}
+	
+	ifs.close();
 
-std::cerr<<"succes"<<std::endl;
+	std::cerr << "succes" << std::endl;
 
 	return 0;
-
-
 }
-