#23 adding the button to calculate deltaQ min directly for IQ2D

[wangzy]

if the parameter of deltaQ is not set correctly, then the "white line" will occur. these lines should be prevented. So we want to add a button that can calculate the deltaQ easily

[wangzy]

add Lxmax and Lymax in the mask file, and add the way to read these parameters in the main.py.

[wangzy]

change the format of L2 in calibration file from X to X.XX, thus the algorithm to read the value can be maintained. After the testing, all the files should be changed

[wangzy]

the Qmax set for IQ2D is also changed, right now the Qmax is calculated by the min(Lx_max,Ly_max) to prevent the mismatch of x and y direction

[wangzy]

the shift ratio of Qmax and Qmin is modified from 10% to 0.

[wangzy]

the way to prevent "0" line thus is to set double size of detector pixel distance(8.5mm*2), since the number of tubes is even in Y direction, so the center of the tube is not in the zero position.

[wangzy]

change the mask and cal file data

[wangzy]

V1.2.10