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  #1  
Old 08-28-2012, 05:59 AM
sleiN13 sleiN13 is offline
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Join Date: Dec 2008
Posts: 83
Vizard 3 sensor plugin

I'm trying to port a Vizard 4 (sensor + extension) plugin I wrote to also work with Vizard 3.

So far I got all the basic sensor stuff working, but in vizard 4 I got access to some custom python functions for the tracker. I would also like to port these to the vizard 3 plugin but I can't figure out how to add the functionality.

The sensor example code only uses the Command() function to recieve communication. The PythonPluging example does add some new python callable functions but I can't combine the two.

Is there somewhere an example on how I could do all this?
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  #2  
Old 08-30-2012, 09:44 AM
farshizzo farshizzo is offline
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Join Date: Mar 2003
Posts: 2,849
Are you referring to customizing the extension interface within the C++ plugin using the Python_SetExtensionCode function? If so, you can still customize the interface in Vizard 3.0. Instead of using Python_SetExtensionCode, you need to use PyRun_SimpleString. You also need to add the following to the end of the code string:
Code:
"viz.upgradeExtension('myextension.dle',MyExtension)\n"
Where myextension.dle is replace with the name of your plugin file and MyExtension is the name of your custom extension class. Here is a more complete example:
Code:
char *code = "class MyExtension(viz.VizExtension):\n"
             "    def mymethod(self, value):\n"
             "        self.command(1,'',value)\n"
             "viz.upgradeExtension('myextension.dle',MyExtension)\n";
PyRun_SimpleString(code);
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  #3  
Old 09-03-2012, 12:48 AM
sleiN13 sleiN13 is offline
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Join Date: Dec 2008
Posts: 83
What is the correct way of returning values in de command function, Vizard 4 had a nice .set() method. I can't seem to find something similar in the vizard 3 example codes.

I did see you could extend the float data array but I would also like to be able to return some strings with certain tracker error messages.
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