I was a little white, the teacher left a job, it is to use 1 x1y so named TXT until 89 x90y said x line, y columns, are two images of the terahertz spot, but the data too much, can not read one by one, to find a way to put these data into a 3 d data collection, x is the line, y is listed, z is the longitudinal time, draw a few point of light spot image, great god help, best can write code, thank you!!!!!! I haven't even question of key is read, by the way, attachment is the each TXT the left column represents the time