Hello Daniel,
Daniel Ribeiro wrote:
> I'm having problems when i try to execute the 12ClusterServer and
> 13ClusterClient from tutorials. The client window (used to manipulate
> the torus) is not showed and i'm not able to see anything on servers either.
the client window is just black, there should nothing be in it (it is
not even redrawn, so if you drag another window over it you will see
parts of that window).
What are the command lines you use to start both programs and the IP
addresses of both machines?
Is there any relevant output when you set the environment variable
OSG_LOG_LEVEL to DEBUG ?
FWIW, for me it looks something like this:
[SNIP - a lot more lines of initialization]
DEBUG: Window::registerFunction: register 'glBufferDataARB': new id 98
DEBUG: Window::registerFunction: register 'glBufferSubDataARB': new id 99
OpenSGServer1
OpenSGServer2
DEBUG: Window::registerExtension: register 'GL_ARB_occlusion_query':
new id 35
DEBUG: Window::registerFunction: register 'glGenQueriesARB': new id 100
DEBUG: Window::registerFunction: register 'glDeleteQueriesARB': new id 101
DEBUG: Window::registerFunction: register 'glBeginQueryARB': new id 102
DEBUG: Window::registerFunction: register 'glEndQueryARB': new id 103
DEBUG: Window::registerFunction: register 'glGetQueryObjectuivARB': new
id 104
INFO: Connect to OpenSGServer1
INFO: send request to:224.245.211.234
INFO: send request to:255.255.255.255
INFO: Found at address 10.1.30.66:40362
INFO: Connect to OpenSGServer2
INFO: send request to:224.245.211.234
INFO: send request to:255.255.255.255
INFO: Found at address 10.1.30.66:60246
DEBUG: SyncFieldFilter: :MultiDisplayWindow
DEBUG: Changed: MultiDisplayWindow ID:178 Mask:-449
DEBUG: Changed: GeoPositions3f ID:179 Mask:-1
DEBUG: Changed: GeoNormals3f ID:180 Mask:-1
DEBUG: Changed: GeoTexCoords2f ID:181 Mask:-1
[SNIP - a lot more lines like: "Changed: MultiDisplayWindow ID..." ]
> I'm using linux Ubuntu 8.10 and OpenSG version is 1.8. In Windows it
> works, but with 5 fps. Is this OK?
This is not necessarily a problem, nor is OpenSG normally horribly slow
when running on a cluster ;) :
The server only renders new frames when needed. If you want the servers
to keep rendering frames add this line to the *client* where the other
glut callbacks are registered (at the bottom of the file):
glutIdleFunc(display);
> I have checked my network and there is nothing wrong. Also, i linked two
> computers directly with a crossover cable and the problems continues.
One final thought: is the firewall off? If you run wireshark on the
machines, do you see any OpenSG UDP packages being sent/received?
Hope it helps,
Carsten
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