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96 lines
3.9 KiB
Matlab
96 lines
3.9 KiB
Matlab
% A script to analyze vertica and horizontal through focus scans to
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% determine the size and position of the horizontal and vertical focii
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addpath ..
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close all
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clear
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%% vertical beam
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scans = [797:806];
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p.motor_name = 'py';
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p.title_str = 'Vertical beam';
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p.motor_units = '(microns)';
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p.counter = 'diode';
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p.pausetime = 0.5;
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p.coarse_motor = 'hz';
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out_ver = utils.focus_series_fit(scans,p);
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%% horizontal beam
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scans = [650:660];%[183:193];%[505:514];% scans 108 to, 89 to
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p.motor_name = 'px';
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p.title_str = 'Horizontal beam';
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p.motor_units = '(microns)';
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p.counter = 'diode';
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p.pausetime = 0.5;
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p.coarse_motor = 'hz';
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out_hor = utils.focus_series_fit(scans,p);
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%% plot both
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figure(7)
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plot(out_ver.fitout,'b',out_ver.coarse_motor,out_ver.fwhm,'bo');
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hold on
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plot(out_hor.fitout,'r',out_hor.coarse_motor,out_hor.fwhm,'ro');
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title(sprintf('beam focus, vertex (hor,ver) (%.1f, %.1f)',out_hor.vertex,out_ver.vertex))
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xlabel(p.coarse_motor)
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ylabel(sprintf('FWHM %s',p.motor_units))
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legend('vertical','fit','horizontal','fit')
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hold off
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fprintf('The vertical vertex of the parabola is at %s = %f\n',p.coarse_motor, out_ver.vertex);
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fprintf('The horizontal vertex of the parabola is at %s = %f\n',p.coarse_motor,out_hor.vertex);
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%% Example for sgalil continuous scan
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scans = [797:806];
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p.position_file = '~/Data10/sgalil/S%05d.dat';
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p.fast_axis_index = 1; % = 1 or 2 for x and y scan respectively
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p.mcs_file = sprintf('~/Data10/mcs/S%02d000-%02d999/S%%05d/%s_%%05d.dat',floor(scans(1)/1000),floor(scans(1)/1000),beamline.identify_eaccount);
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p.mcs_channel = 3;
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p.title_str = 'Horizontal beam';
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p.motor_units = '(mm)';
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p.counter = 'diode';
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p.pausetime = 0.5;
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p.coarse_motor = 'samy';
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out_ver = utils.focus_series_fit(scans,p);
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%%
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%*-----------------------------------------------------------------------*
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%| |
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%| Except where otherwise noted, this work is licensed under a |
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%| Creative Commons Attribution-NonCommercial-ShareAlike 4.0 |
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%| International (CC BY-NC-SA 4.0) license. |
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%| |
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%| Copyright (c) 2018 by Paul Scherrer Institute (http://www.psi.ch) |
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%| |
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%| Author: CXS group, PSI |
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%*-----------------------------------------------------------------------*
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% You may use this code with the following provisions:
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%
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% If the code is fully or partially redistributed, or rewritten in another
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% computing language this notice should be included in the redistribution.
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%
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% If this code, or subfunctions or parts of it, is used for research in a
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% publication or if it is fully or partially rewritten for another
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% computing language the authors and institution should be acknowledged
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% in written form in the publication: “Data processing was carried out
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% using the “cSAXS matlab package” developed by the CXS group,
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% Paul Scherrer Institut, Switzerland.”
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% Variations on the latter text can be incorporated upon discussion with
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% the CXS group if needed to more specifically reflect the use of the package
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% for the published work.
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%
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% A publication that focuses on describing features, or parameters, that
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% are already existing in the code should be first discussed with the
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% authors.
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%
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% This code and subroutines are part of a continuous development, they
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% are provided “as they are” without guarantees or liability on part
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% of PSI or the authors. It is the user responsibility to ensure its
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% proper use and the correctness of the results. |