Updating the data2data soft

sources/core/plugins_manager.cpp

@@ -263,7 +263,10 @@ function* plugins_manager::get_function(const std::string& filename)
 	function* f = get_function(args);
 	f->setDimX(nX);
 	f->setDimY(nY);
-	f->setParametrization(param_in);
+    if(f->input_parametrization() == params::UNKNOWN_INPUT)
+    {
+        f->setParametrization(param_in);
+    }
 	f->setParametrization(param_out);
 
 	// Load the function part from the file object

sources/plugins/nonlinear_function_blinn/function.h

@@ -68,13 +68,7 @@ class blinn_function : public nonlinear_function
 		virtual params::input input_parametrization() const
 		{
 			return params::COS_TH ;
-		}
-		virtual void setParametrization(params::input new_param)
-		{
-			std::cerr << "Cannot change the ouput parametrization " 
-				       << __FILE__ << ":" << __LINE__ << std::endl;
-			throw;
-		}
+        }
 
 		void setDimY(int nY)
 		{

sources/softs/data2data/main.cpp

@@ -107,11 +107,16 @@ int main(int argc, char** argv)
 	if(dynamic_cast<vertical_segment*>(d_out) != NULL)
 	{
 		params::input param = params::parse_input(args["param"]);
-		if(param == params::UNKNOWN_INPUT)
+        if(param == params::UNKNOWN_INPUT && d_in->input_parametrization() != params::UNKNOWN_INPUT)
 		{
-			std::cerr << "<<ERROR>> unable to parse the parametrization" << std::endl;
-			return -1;
+            std::cout << "<<DEBUG>> using the input file input param for the output file." << std::endl;
+            param = d_in->input_parametrization();
 		}
+        else if(param == params::UNKNOWN_INPUT)
+        {
+            std::cerr << "<<ERROR>> not parametrization defined for input and output files." << std::endl;
+            return -1;
+        }
 
 		d_out->setParametrization(param);
 		d_out->setDimX(params::dimension(param));