xpcs_timepixel_old_version.py 文件源码

def read_xyt_frame(  n=1 ):
    ''' Load the xyt txt files:
        x,y is the detector (x,y) coordinates
        t is the time-encoder (when hitting the detector at that (x,y))
        DATA_DIR is the data filefold path
        DataPref is the data prefix
        n is file number
        the data name will be like: DATA_DIR/DataPref_0001.txt
        return the histogram of the hitting event
    '''
    import numpy as np 
    ni = '%04d'%n
    fp = DATA_DIR +   DataPref + '%s.txt'%ni
    data = np.genfromtxt( fp, skiprows=0)[:,2] #take the time encoder
    td = np.histogram( data, bins= np.arange(11810) )[0] #do histogram    
    return td