diff --git a/src/meshlab/alnParser.h b/src/meshlab/alnParser.h
new file mode 100644
index 000000000..346e9953f
--- /dev/null
+++ b/src/meshlab/alnParser.h
@@ -0,0 +1,94 @@
+#ifndef __OM_ALNPARSER_
+#define __OM_ALNPARSER_
+
+#include <vector>
+#include <string>
+#include <vcg/math/matrix44.h>
+
+struct RangeMap
+{
+	RangeMap()
+	{
+		quality = 1.0f;
+	}
+
+	std::string			filename;
+	vcg::Matrix44f	trasformation;
+	float						quality;
+};
+
+class ALNParser
+{
+public:
+	enum ALNParserCodes {NoError, CantOpen, UnexpectedEOF, ExpectingComment};
+
+	static const char* ErrorMsg(int message_code)
+	{
+		static const char* error_msg[4] = {"No errors", "Can't open file", "Premature End of file", "I was expecting a comment"};
+
+		if(message_code>3 || message_code<0) 
+			return "Unknown error";
+		else 
+			return error_msg[message_code];
+	};
+
+	static int BuildALN(std::vector<RangeMap> &rangemaps, std::vector< std::string > &files)
+	{
+		rangemaps.clear();
+		rangemaps.resize( files.size() );
+		std::vector< RangeMap >::iterator		 rm  = rangemaps.begin();
+		std::vector< std::string >::iterator it  = files.begin();
+		std::vector< std::string >::iterator end = files.end();
+		for ( ; it!=end; it++, rm++)
+		{
+			(*rm).filename = (*it);
+			(*rm).quality  = 1.0f;
+			(*rm).trasformation.SetIdentity();
+		}
+		files.clear();
+		return NoError;
+	};
+
+	static int ParseALN(std::vector<RangeMap> &rangemaps, const char *ALNname)
+	{
+		rangemaps.clear();
+
+		FILE *stream=fopen(ALNname, "r");
+		if(stream==NULL)
+			return CantOpen; 
+
+		int mesh_number;
+		fscanf(stream, "%i\n", &mesh_number);
+
+		char buffer[1024];
+		for (int m=0; m<mesh_number; m++)
+		{
+			RangeMap rm;
+
+			fgets(buffer, 1024, stream);
+			*strchr(buffer, '\n')=0;
+			rm.filename = buffer;
+
+			fgets(buffer, 1024, stream);
+			*strchr(buffer,'\n')=0;
+			if(buffer[0]!='#') 
+				return ExpectingComment;
+
+			char *occurrence = strchr(buffer, 'W');
+			if(occurrence!=NULL && occurrence[1]==':') 
+				rm.quality = (float) atof(occurrence+2);
+			assert(rm.quality>0);
+
+			fscanf(stream,"%f %f %f %f \n",&(rm.trasformation[0][0]),&(rm.trasformation[0][1]),&(rm.trasformation[0][2]),&(rm.trasformation[0][3]));
+			fscanf(stream,"%f %f %f %f \n",&(rm.trasformation[1][0]),&(rm.trasformation[1][1]),&(rm.trasformation[1][2]),&(rm.trasformation[1][3]));
+			fscanf(stream,"%f %f %f %f \n",&(rm.trasformation[2][0]),&(rm.trasformation[2][1]),&(rm.trasformation[2][2]),&(rm.trasformation[2][3]));
+			fscanf(stream,"%f %f %f %f \n",&(rm.trasformation[3][0]),&(rm.trasformation[3][1]),&(rm.trasformation[3][2]),&(rm.trasformation[3][3]));
+
+			rangemaps.push_back(rm);
+		}
+
+		return NoError;
+	} // end of ParseALN
+};
+
+#endif //__OM_ALNPARSER_
\ No newline at end of file