Function to query and filter multistate events.

multiStateFilter.py

''' 
Author: Jacob Forstater
Description: Workflow to clean up multistate events
    - Filters out NStates <2
    - Filters out any event with StateResTime < minValue
    - Supplys this back as a 2D flattened Array

Log:
      JF    20160602      initial version
      
'''


def multistateFilter(myDB, myQueryArgs="NStates>=2 and NStates <6 and ResTime> 0.02", minStateLength=0.02):
    tempData=pd.DataFrame(query(myDB,"select BlockDepth, StateResTime from metadata where ProcessingStatus='normal' and "+str(myQueryArgs)))
    tempData=tempData.rename(columns={0:'BD',1:'StateResTime'})
    minLenFilter=lambda x: np.min(x)>=minStateLength
    
    bdReturn=np.hstack(tempData[tempData.StateResTime.map(minLenFilter)].BD)
    stateResReturn=np.hstack(tempData[tempData.StateResTime.map(minLenFilter)].StateResTime)
    return np.stack([bdReturn,stateResReturn],axis=-1)