In my data acquisition program, I am plotting a 2D histogram with the help of a 2D histogam sub vi given by one of my colleage (attached here). It keeps on updating while running. My output data consists of X values, Y values and corresponding time. X and Y values are fed to the 2D histogram.vi to plot the XY histogram(2D histogram). I want to choose the histogram at a particular time, let us say, at 6 microsecond(the program runs for several cycles; each cycle duration is 12 microsecond). Then plot the XY histogram only at 6 microsecond by subtracting the XY histogram during 0-5 and 7-12 microseconds. The sample data is also attached. In the data, each cycles are numbered as 'injection number'. In the 'Data' file first column is X, second Y and third time.
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