In [9]:

    

import MDSplus as mds
%pylab inline


    

    




Populating the interactive namespace from numpy and matplotlib

In [37]:

    

# mds.ipp.ac.cn corresponds to public IP 202.127.204.12
# Also working : 202.127.204.42, 202.127.205.8
cnx = mds.Connection('mds.ipp.ac.cn')


    

In [55]:

    

shot_nb = 55672
cnx.openTree('east', shot_nb)


    

In [32]:

    

Ip = cnx.get('\IPM')
t_Ip = cnx.get('dim_of(\IPM)')


    

In [33]:

    

plot(t_Ip, Ip, lw=2)
grid()
xlim(0,8)


    

    
Out[33]:





(0, 8)






    

In [53]:

    

def get_signal(signal_name, shot_nb, mdsplus_connection):
    """
    Retrieves a signal and its associated time vector 
    for a given shot number on EAST
    """
    mdsplus_connection.openTree('EAST', shot_nb)
    return mdsplus_connection.get(signal_name), \
            mdsplus_connection.get('dim_of('+signal_name+')')


    

In [59]:

    

Ip, t_Ip = get_signal('\IPM', shot_nb, cnx)


    

In [61]:

    

Ne, t_Ne = get_signal('TOP:\dfsdev', shot_nb, cnx)


    

    




---------------------------------------------------------------------------
MdsException                              Traceback (most recent call last)
<ipython-input-61-39b5d3911b05> in <module>()
----> 1 Ne, t_Ne = get_signal('TOP:\dfsdev', shot_nb, cnx)

<ipython-input-53-012eb885f444> in get_signal(signal_name, shot_nb, mdsplus_connection)
      5     """
      6     mdsplus_connection.openTree('EAST', shot_nb)
----> 7     return mdsplus_connection.get(signal_name),             mdsplus_connection.get('dim_of('+signal_name+')')

C:\Program Files\WinPython\python-3.3.5.amd64\lib\site-packages\mdsplus-6.3_113-py3.3.egg\MDSplus\connection.py in get(self, exp, *args, **kwargs)
    260             idx=idx+1
    261             self.__sendArg__(arg,idx,num)
--> 262         return self.__getAnswer__()
    263 
    264 

C:\Program Files\WinPython\python-3.3.5.amd64\lib\site-packages\mdsplus-6.3_113-py3.3.egg\MDSplus\connection.py in __getAnswer__(self)
    130                 MdsIpFree(mem)
    131             if isinstance(ans,_scalar.String):
--> 132                 raise MdsException(str(ans))
    133             else:
    134                 raise MdsException(MdsGetMsg(status))

MdsException: %TREE-W-TreeNNF, Node Not Found

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