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| Code Block | ||||||
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import numpy as np
import matplotlib.pyplot as plt
from pypdsdata import xtc
class mypyana(object):
def __init__(self,source=""):
self.source = source
self.counter = None
self.array = [] # really just a list
def beginjob(self,evt,env):
self.counter = 0
def event(self,evt,env):
self.counter += 1
# snippet code goes here
thedata = evt.get(xtc.TypeId.Type.Id_SomeType, self.source )
self.array.append( thedata.somevalue )
def endjob(self,evt,env):
print "Job done! Processed %d events. " % self.counter
# place for plotting etc
# convert from python list to a numpy array
self.array = np.array( self.array )
# plot graph
plt.plot(self.array)
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BeamLine Data: EBeam
To read out energy, charge and position of the beam from the beamline data, use getEBeam(). It returns a class/structure that has the following members/fields:
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| Code Block | ||||||
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def event(self,evt,env):
try:
frame = evt.getPnCcdValue( self.source, env )
image = frame.data()
except:
pass
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Other image (FCCD*,Opal,PIM (TM6740), ... )
These all use the generic getFrameValue function:
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