Adding an example of XML command

sources/core/plugins_manager.cpp

@@ -288,6 +288,9 @@ function* plugins_manager::get_function(const arguments& args)
           {
               std::string n("--func ");
               n.append(args_vec[i]);
+#ifdef DEBUG
+              std::cout << "<<DEBUG>> load function with args: " << n << std::endl;
+#endif
               arguments temp_args = arguments::create_arguments(n);
               function* f = get_function(temp_args);
               if(dynamic_cast<nonlinear_function*>(f) == NULL)

sources/scripts/example.xml

+<?xml version="1.0"?>
+<alta>
+	<configuration>
+		<parameter name="lib-dir" value="./build" />
+	</configuration>
+
+	<action name="data2brdf">
+		<!-- Input and output arguments of the action -->
+		<input name="../data/2d/matusik_merl/blue-metallic-paint-double-mean-romeiro-80deg.dat" />
+		<output name="blue-metallic-paint.brdf" />
+
+		<!-- Define the function to use -->
+		<function name="nonlinear_function_diffuse" />
+		<function name="nonlinear_function_isotropic_lafortune" />
+		<function name="nonlinear_function_isotropic_lafortune">
+		</function>
+		<!-- You can put as many function as you want, they will be
+			  treated as a compound -->
+		<!-- <function name="nonlinear_function_isotropic_lafortune" />-->
+
+		<!-- Define the ftting procedure to use -->
+		<plugin type="fitter" name="nonlinear_fitter_nlopt" />
+		<!--<plugin type="fitter" name="nonlinear_fitter_ceres" />-->
+		<!--<plugin type="fitter" name="nonlinear_fitter_eigen" />-->
+		<!--<plugin type="fitter" name="nonlinear_fitter_ipopt" />-->
+
+		<parameter name="max" value="[0.8, 0.8]" />
+	</action>
+	
+	<action name="brdf2gnuplot">
+		
+		<input name="blue-metallic-paint.brdf" />
+		<output name="blue-metallic-paint.dat" />
+
+		<parameter name="data" value="../data/2d/matusik_merl/blue-metallic-paint-double-mean-romeiro-80deg.dat" />
+	</action>
+
+</alta>

sources/scripts/xml_cmd.py

@@ -50,6 +50,39 @@ def parseConfiguration(xmlNode):
 	#end
 #end
 
+def parseFunction(xmlNode):
+	global lib_dir;
+
+	cmd = '';
+	cmd += lib_dir + '/' + libName(xmlNode.attrib['name']);
+
+	# Parse the parameters of the function
+	for param in xmlNode.findall('parameter'):
+		cmd += ' --' + param.attrib['name'] + ' ' + param.attrib['value'];
+	#end
+
+	return cmd;
+#end
+
+def parseFunctions(xmlNodes):
+
+	list_len = len(xmlNodes);
+	if(list_len == 0):
+		return '';
+	elif(list_len == 1):
+		return ' --func ' + parseFunction(xmlNodes[0]);
+	else:
+		cmd = ' --func [';
+		for index in range(0,list_len):
+			cmd += parseFunction(xmlNodes[index]);
+			if(index != list_len-1):
+				cmd += ', ';
+			#end
+		#end
+		cmd += ']';
+		return cmd;
+	#end
+#end
 
 def parseAction(xmlNode):
 	global lib_dir, dat_dir, out_dir;
@@ -65,6 +98,8 @@ def parseAction(xmlNode):
 		cmd += ' --output ' + outputNode.attrib['name'];
 	#end
 
+	cmd += parseFunctions(xmlNode.findall('function'));
+
 	for plugin in xmlNode.findall('plugin'):
 		cmd += ' --' + plugin.attrib['type'];
 		cmd += ' ' + lib_dir + '/' + libName(plugin.attrib['name']);
@@ -99,7 +134,7 @@ for child in root.findall('action'):
 	# Parse the action
 	cmd += parseAction(child);
 
-	#print cmd;
+	print '\n' + cmd;
 	ret = os.system(cmd);
 	if(ret != 0):
 		print '<<PYTHON>> the action was not performed';