Adding a tool to convert a .function into a gnuplot file

sources/core/plugins_manager.cpp

 #include "plugins_manager.h"
+#include "rational_function.h"
+#include "vertical_segment.h"
 
 #include <QCoreApplication>
 #include <QPluginLoader>
@@ -83,7 +85,7 @@ function* plugins_manager::get_function() const
 {
 	if(_functions.empty())
 	{
-		return NULL ;
+		return new rational_function() ;
 	}
 	else
 	{
@@ -94,7 +96,7 @@ data* plugins_manager::get_data()     const
 {
 	if(_datas.empty())
 	{
-		return NULL ;
+		return new vertical_segment() ;
 	}
 	else
 	{
@@ -121,7 +123,7 @@ function* plugins_manager::get_function(const std::string& n) const
 {
 	if(_functions.count(n) == 0)
 	{
-		return NULL ;
+		return new rational_function() ;
 	}
 	else
 	{
@@ -132,7 +134,7 @@ data* plugins_manager::get_data(const std::string& n)     const
 {
 	if(_datas.count(n) == 0)
 	{
-		return NULL ;
+		return new vertical_segment() ;
 	}
 	else
 	{

sources/softs/brdf2gnuplot/brdf2gnuplot.pro

+CONFIG         += qt
+
+INCLUDEPATH    += ../../
+DESTDIR         = ../../build
+
+SOURCES        += main.cpp
+LIBS           += -L../../build -lcore

sources/softs/brdf2gnuplot/main.cpp

+#include <core/args.h>
+#include <core/data.h>
+#include <core/function.h>
+#include <core/fitter.h>
+#include <core/plugins_manager.h>
+
+#include <QApplication>
+
+#include <iostream>
+#include <vector>
+#include <iostream>
+#include <fstream>
+#include <limits>
+#include <cstdlib>
+
+int main(int argc, char** argv)
+{
+	QApplication app(argc, argv, false);
+	arguments args(argc, argv) ;
+
+	plugins_manager manager(args) ;
+
+	if(args.is_defined("help")) {
+		std::cout << "<<HELP>> brdf2gnuplot --input brdf.file --output gnuplot.file --func function.lib --data data.file" << std::endl ;
+		std::cout << " - input, output and data are mandatory parameters" << std::endl ;
+	}
+
+	if(! args.is_defined("input")) {
+		std::cerr << "<<ERROR>> the input filename is not defined" << std::endl ;
+		return 1 ;
+	}
+	if(! args.is_defined("output")) {
+		std::cerr << "<<ERROR>> the output filename is not defined" << std::endl ;
+		return 1 ;
+	}
+
+	function* f = NULL;
+	if(args.is_defined("func"))
+	{
+		std::cout << "<<INFO>> Using plugin function \"" << args["func"] << "\"" << std::endl ;
+		f = manager.get_function(args["func"]) ;
+	}
+	else
+	{
+		f = manager.get_function() ;
+	}
+
+	data* d = NULL ;
+	if(args.is_defined("data"))
+	{
+		std::cout << "<<INFO>> Using data \"" << args["data"] << "\"" << std::endl ;
+		d = manager.get_data() ;
+		d->load(args["data"]) ;
+	}
+
+	// Load the BRDF
+	f->load(args["input"]);
+
+	// Create output file
+	std::ofstream file(args["output"].c_str(), std::ios_base::trunc);
+
+	if(d != NULL)
+	{
+		for(int i=0; i<d->size(); ++i)
+		{
+			vec v = d->get(i) ;
+
+			vec y2 = f->value(v) ;
+			for(int u=0; u<d->dimX(); ++u)
+				file << v[u] << "\t" ;
+
+			for(int u=0; u<d->dimY(); ++u)
+				file << y2[u] << "\t" ;
+
+			file << std::endl ;
+		}
+	}	
+	else
+	{
+		std::cerr << "<<ERROR>> --data is not defined" << std::endl ;
+	}
+
+	return 0 ;
+}

sources/tests/tests.pro → sources/softs/softs.pro

 TEMPLATE = subdirs
 SUBDIRS  = generate_data \
            plugin_loader \
-#			  rational_1d
+			  brdf2gnuplot

sources/sources.pro

 TEMPLATE = subdirs
 SUBDIRS  = core    \
            plugins \
-           tests
+           softs
 
 plugins.depends = core
-tests.depends   = core
-tests.depends   = plugins
+softs.depends   = core
+softs.depends   = plugins