Added the usage report to the examples for when no arguments are passed

to the examples.

Make/makedirdefs

@@ -123,5 +123,7 @@ EXAMPLE_DIRS = \
 	osgvertexprogram\
 	osgviewer\
 
+#	osgjigsaw\
+
 # comment in you want to compile the cluster demo.
 EXAMPLE_DIRS += osgcluster

examples/osganimate/osganimate.cpp

@@ -193,7 +193,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
 
     // initialize the viewer.

examples/osgbillboard/osgbillboard.cpp

@@ -168,7 +168,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
    
     // initialize the viewer.

examples/osgcallback/osgcallback.cpp

@@ -132,7 +132,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
    
     // initialize the viewer.
@@ -161,6 +161,12 @@ int main( int argc, char **argv )
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
+
     // load the nodes from the commandline arguments.
     osg::Node* rootnode = osgDB::readNodeFiles(arguments);
     if (!rootnode)

examples/osgclip/osgclip.cpp

@@ -131,7 +131,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
    
     // initialize the viewer.
@@ -160,6 +160,12 @@ int main( int argc, char **argv )
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
+
     // load the nodes from the commandline arguments.
     osg::Node* loadedModel = osgDB::readNodeFiles(arguments);
     if (!loadedModel)

examples/osgcluster/osgcluster.cpp

@@ -99,7 +99,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
     
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
     arguments.getApplicationUsage()->addCommandLineOption("-m","Set viewer to MASTER mode, sending view via packets.");
     arguments.getApplicationUsage()->addCommandLineOption("-s","Set viewer to SLAVE mode, reciving view via packets.");
@@ -149,6 +149,12 @@ int main( int argc, char **argv )
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
+    
     
     // load model.
     osg::ref_ptr<osg::Node> rootnode = osgDB::readNodeFiles(arguments);

examples/osgcopy/osgcopy.cpp

@@ -133,7 +133,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
    
     // initialize the viewer.
@@ -156,6 +156,12 @@ int main( int argc, char **argv )
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
+
     // load the nodes from the commandline arguments.
     osg::Node* rootnode = osgDB::readNodeFiles(arguments);
     if (!rootnode)

examples/osgcubemap/osgcubemap.cpp

@@ -74,7 +74,7 @@ int main(int argc, char *argv[])
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
    
     // construct the viewer.
@@ -103,6 +103,12 @@ int main(int argc, char *argv[])
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
+
     // load the nodes from the commandline arguments.
     osg::Node* rootnode = osgDB::readNodeFiles(arguments);
     if (!rootnode) {

examples/osggeodemo/osggeodemo.cpp

@@ -89,7 +89,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
     arguments.getApplicationUsage()->addCommandLineOption("--fov <float>","Set the Field of View");
    
@@ -122,6 +122,12 @@ int main( int argc, char **argv )
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
+
 
     // load the nodes from the commandline arguments.
     osg::Node* rootnode = osgDB::readNodeFiles(arguments);

examples/osggeometry/osggeometry.cpp

@@ -646,7 +646,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
 
     // construct the viewer.

examples/osghangglide/osghangglide.cpp

@@ -108,7 +108,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
 
     // construct the viewer.

examples/osghud/osghud.cpp

@@ -117,7 +117,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
     
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] [filename] ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] [filename] ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
     
 
@@ -147,7 +147,6 @@ int main( int argc, char **argv )
         return 1;
     }
     
-
     // read the scene from the list of file specified commandline args.
     osg::ref_ptr<osg::Node> scene = osgDB::readNodeFiles(arguments);
 

examples/osgimpostor/osgimpostor.cpp

@@ -219,7 +219,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
 
     // construct the viewer.
@@ -253,7 +253,6 @@ int main( int argc, char **argv )
     }
 
 
-
     // load the nodes from the commandline arguments.
     osg::Node* model = osgDB::readNodeFiles(arguments);
     if (model)

examples/osgkeyboard/osgkeyboard.cpp

@@ -381,7 +381,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
     arguments.getApplicationUsage()->addCommandLineOption("-c","Mannually create occluders");
    
@@ -417,7 +417,6 @@ int main( int argc, char **argv )
         return 1;
     }
      
-     
     // attach the scene graph.
     viewer.setSceneData( keyboardModel->getScene() );
 

examples/osglight/osglight.cpp

@@ -303,7 +303,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
 
     // construct the viewer.
@@ -332,7 +332,6 @@ int main( int argc, char **argv )
         return 1;
     }
 
-
     // load the nodes from the commandline arguments.
     osg::Node* loadedModel = osgDB::readNodeFiles(arguments);
 

examples/osglightpoint/osglightpoint.cpp

@@ -11,10 +11,6 @@
 #include <osgDB/Registry>
 #include <osgDB/ReadFile>
 
-#include <osgGA/TrackballManipulator>
-#include <osgGA/FlightManipulator>
-#include <osgGA/DriveManipulator>
-
 #include <osgUtil/Optimizer>
 
 #include <osgSim/LightPointNode>
@@ -119,7 +115,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
 
     // construct the viewer.
@@ -148,7 +144,6 @@ int main( int argc, char **argv )
         return 1;
     }
     
-
     osg::Group* rootnode = new osg::Group;
 
     // load the nodes from the commandline arguments.

examples/osglogo/osglogo.cpp

@@ -407,7 +407,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
     arguments.getApplicationUsage()->addCommandLineOption("ps","Render the Professional Services logo");
    

examples/osgmultitexture/osgmultitexture.cpp

@@ -22,7 +22,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
    
     // construct the viewer.
@@ -51,6 +51,12 @@ int main( int argc, char **argv )
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
+
     // load the nodes from the commandline arguments.
     osg::Node* rootnode = osgDB::readNodeFiles(arguments);
     if (!rootnode)

examples/osgoccluder/osgoccluder.cpp

@@ -283,7 +283,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
     arguments.getApplicationUsage()->addCommandLineOption("-c","Mannually create occluders");
    

examples/osgparticle/osgparticle.cpp

@@ -348,7 +348,7 @@ int main(int argc, char **argv)
     osg::ArgumentParser arguments(&argc,argv);
     
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] image_file_left_eye image_file_right_eye");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] image_file_left_eye image_file_right_eye");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
     
 

examples/osgpbuffer/osgpbuffer.cpp

@@ -585,7 +585,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
     
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
     
 
@@ -615,6 +615,12 @@ int main( int argc, char **argv )
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
+    
     // load the nodes from the commandline arguments.
     osg::Node* loadedModel = osgDB::readNodeFiles(arguments);
     

examples/osgprerender/osgprerender.cpp

@@ -369,7 +369,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
    
     // construct the viewer.
@@ -398,6 +398,12 @@ int main( int argc, char **argv )
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
+
     
     // load the nodes from the commandline arguments.
     osg::Node* loadedModel = osgDB::readNodeFiles(arguments);

examples/osgreflect/osgreflect.cpp

@@ -325,7 +325,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
     
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
     
 
@@ -355,6 +355,12 @@ int main( int argc, char **argv )
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
+
 
     // read the scene from the list of file specified commandline args.
     osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFiles(arguments);
@@ -362,7 +368,7 @@ int main( int argc, char **argv )
     // if no model has been successfully loaded report failure.
     if (!loadedModel) 
     {
-        std::cout << arguments.getProgramName() <<": No data loaded" << std::endl;
+        std::cout << arguments.getApplicationName() <<": No data loaded" << std::endl;
         return 1;
     }
 

examples/osgscribe/osgscribe.cpp

@@ -20,7 +20,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
    
     // construct the viewer.
@@ -49,6 +49,12 @@ int main( int argc, char **argv )
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
+
     // load the nodes from the commandline arguments.
     osg::Node* loadedModel = osgDB::readNodeFiles(arguments);
     if (!loadedModel)

examples/osgsequence/osgsequence.cpp

@@ -96,7 +96,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
    
     // construct the viewer.
@@ -125,6 +125,12 @@ int main( int argc, char **argv )
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
+    
     // assumes any remaining parameters are models
     std::vector<osg::Node*> model;
     for (int i = 1; i < arguments.argc(); i++)

examples/osgshadowtexture/osgshadowtexture.cpp

@@ -171,7 +171,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
    
     // construct the viewer.
@@ -200,6 +200,12 @@ int main( int argc, char **argv )
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
+
     // load the nodes from the commandline arguments.
     osg::Node* model = createModel();
     if (!model)

examples/osgshape/osgshape.cpp

@@ -86,7 +86,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
    
     // construct the viewer.

examples/osgstereoimage/osgstereoimage.cpp

@@ -395,7 +395,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
     
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] image_file_left_eye image_file_right_eye");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] image_file_left_eye image_file_right_eye");
     arguments.getApplicationUsage()->addCommandLineOption("-d <float>","Time delay in sceonds between the display of successive image pairs when in auto advance mode.");
     arguments.getApplicationUsage()->addCommandLineOption("-a","Enter auto advance of image pairs on start up.");
     arguments.getApplicationUsage()->addCommandLineOption("-x <float>","Horizontal offset of left and right images.");
@@ -447,6 +447,12 @@ int main( int argc, char **argv )
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
+
     // extract the filenames from the arguments list.
     FileList fileList;
     for(int pos=1;pos<arguments.argc();++pos)

examples/osgteapot/osgteapot.cpp

@@ -319,7 +319,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
    
     // construct the viewer.

examples/osgtext/osgtext.cpp

@@ -430,7 +430,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
     
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] [filename] ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] [filename] ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
     
 

examples/osgtexture1D/osgtexture1D.cpp

@@ -144,7 +144,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
    
     // construct the viewer.
@@ -173,6 +173,12 @@ int main( int argc, char **argv )
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
+
     // load the images specified on command line
     osg::Node* loadedModel = osgDB::readNodeFiles(arguments);
 

examples/osgtexture2D/osgtexture2D.cpp

@@ -687,7 +687,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
    
     // construct the viewer.

examples/osgtexture3D/osgtexture3D.cpp

@@ -218,7 +218,7 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
     
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
     
 

examples/osgunittests/osgunittests.cpp

@@ -7,7 +7,7 @@ int main( int argc, char** argv )
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options]");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options]");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
     arguments.getApplicationUsage()->addCommandLineOption("qt","Display qualified tests.");
  
@@ -33,6 +33,12 @@ int main( int argc, char** argv )
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
+
 
     if (printQualifiedTest) 
     {

examples/osgvertexprogram/osgvertexprogram.cpp

@@ -345,7 +345,7 @@ int main(int argc, char *argv[])
     osg::ArgumentParser arguments(&argc,argv);
 
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
    
     // construct the viewer.

examples/osgviewer/osgviewer.cpp

@@ -20,9 +20,9 @@ int main( int argc, char **argv )
     osg::ArgumentParser arguments(&argc,argv);
     
     // set up the usage document, in case we need to print out how to use this program.
-    arguments.getApplicationUsage()->setApplicatonName(arguments.getProgramName());
+    arguments.getApplicationUsage()->setApplicatonName(arguments.getApplicationName());
-    arguments.getApplicationUsage()->setDescription(arguments.getProgramName()+" is the standard OpenSceneGraph example which loads and visualises 3d models.");
+    arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the standard OpenSceneGraph example which loads and visualises 3d models.");
-    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] filename ...");
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
     arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
     
 
@@ -52,6 +52,11 @@ int main( int argc, char **argv )
         return 1;
     }
     
+    if (arguments.argc()<=1)
+    {
+        arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
+        return 1;
+    }
 
     // read the scene from the list of file specified commandline args.
     osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFiles(arguments);
@@ -59,7 +64,7 @@ int main( int argc, char **argv )
     // if no model has been successfully loaded report failure.
     if (!loadedModel) 
     {
-        std::cout << arguments.getProgramName() <<": No data loaded" << std::endl;
+        std::cout << arguments.getApplicationName() <<": No data loaded" << std::endl;
         return 1;
     }
 

include/osg/ApplicationUsage

@@ -43,9 +43,9 @@ class SG_EXPORT ApplicationUsage
 
         enum Type
         {
-            COMMAND_LINE_OPTION,
+            COMMAND_LINE_OPTION = 0x1,
-            ENVIRONMENTAL_VARIABLE,
+            ENVIRONMENTAL_VARIABLE = 0x2,
-            KEYBOARD_MOUSE_BINDING
+            KEYBOARD_MOUSE_BINDING = 0x4
         };
         
         void addUsageExplanation(Type type,const std::string& option,const std::string& explanation);
@@ -74,7 +74,7 @@ class SG_EXPORT ApplicationUsage
 
         void write(std::ostream& output,const UsageMap& um,unsigned int widthOfOutput=80);
         
-        void write(std::ostream& output,unsigned int widthOfOutput=80);
+        void write(std::ostream& output,unsigned int type=COMMAND_LINE_OPTION|ENVIRONMENTAL_VARIABLE|KEYBOARD_MOUSE_BINDING, unsigned int widthOfOutput=80);
 
     protected:
     

include/osg/ArgumentParser

@@ -46,8 +46,8 @@ class SG_EXPORT ArgumentParser
         /** return const char* argument at specificed position.*/
         const char* operator [] (int pos) const { return _argv[pos]; }
 
-        /** return the program name, as specified by argv[0] */
+        /** return the application name, as specified by argv[0] */
-        std::string getProgramName() const;
+        std::string getApplicationName() const;
 
         /** return the position of an occurance of a string in the argument list.
           * return -1 when no string is found.*/      

src/osg/ApplicationUsage.cpp

@@ -145,12 +145,12 @@ void ApplicationUsage::write(std::ostream& output, const ApplicationUsage::Usage
     output << str << std::endl;
 }
 
-void ApplicationUsage::write(std::ostream& output,unsigned int widthOfOutput)
+void ApplicationUsage::write(std::ostream& output, unsigned int type, unsigned int widthOfOutput)
 {
 
     output << "Usage: "<<getCommandLineUsage()<<std::endl;
     bool needspace = false;
-    if (!getCommandLineOptions().empty())
+    if ((type&COMMAND_LINE_OPTION) && !getCommandLineOptions().empty())
     {
         if (needspace) output << std::endl;
         output << "Options:"<<std::endl;
@@ -158,7 +158,7 @@ void ApplicationUsage::write(std::ostream& output,unsigned int widthOfOutput)
         needspace = true;
     }
     
-    if (!getEnvironmentalVariables().empty())
+    if ((type&ENVIRONMENTAL_VARIABLE) && !getEnvironmentalVariables().empty())
     {
         if (needspace) output << std::endl;
         output << "Environmental Variables:"<<std::endl;
@@ -166,7 +166,7 @@ void ApplicationUsage::write(std::ostream& output,unsigned int widthOfOutput)
         needspace = true;
     }
 
-    if (!getKeyboardMouseBindings().empty())
+    if ((type&KEYBOARD_MOUSE_BINDING) && !getKeyboardMouseBindings().empty())
     {
         if (needspace) output << std::endl;
         output << "Keyboard and Mouse Bindings:"<<std::endl;

src/osg/ArgumentParser.cpp

@@ -14,7 +14,7 @@ ArgumentParser::ArgumentParser(int* argc,char **argv):
 {
 }
 
-std::string ArgumentParser::getProgramName() const
+std::string ArgumentParser::getApplicationName() const
 {
     if (_argc>0) return std::string(_argv[0]);
     return "";
@@ -314,7 +314,7 @@ void ArgumentParser::reportRemainingOptionsAsUnrecognized(ErrorSeverity severity
         // if an option and havn't been previous querried for report as unrecognized.
         if (isOption(pos) && options.find(_argv[pos])==options.end()) 
         {
-            reportError(getProgramName() +": unrceognized option "+_argv[pos],severity);
+            reportError(getApplicationName() +": unrceognized option "+_argv[pos],severity);
         }
     }
 }
@@ -326,7 +326,7 @@ void ArgumentParser::writeErrorMessages(std::ostream& output,ErrorSeverity sever
     {
         if (itr->second>=severity)
         {
-            output<< getProgramName() << ": " << itr->first << std::endl;
+            output<< getApplicationName() << ": " << itr->first << std::endl;
         }
     }
 }