[vtkusers] Help!!Can TCL read encoder signal?

[leung fung man]

Dear all VTK user:
I have a problems in reading a encoder signal from the servomotor encoder.  
Can TCL read the encoder signal such as C++ ( point to a port to read a set 
of data, such a x,y,z coordinate)?
Can anyone sent me some information or sample code about this, it is a great 
help in any advice!
Thank you very much!
German Leung :(
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