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swim
2026-08-07 15:56:42 +09:00
commit 91ad25aca9
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ptycho/utils_electron/scan_position_rot.m
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function [ppX_rot,ppY_rot]=scan_position_rot(N_scan_x,N_scan_y,scanStepSize_x,scanStepSize_y,rot_ang)
% scan positions after rotation
ppx = linspace(-floor(N_scan_x/2),ceil(N_scan_x/2)-1,N_scan_x)*scanStepSize_x;
ppy = linspace(-floor(N_scan_y/2),ceil(N_scan_y/2)-1,N_scan_y)*scanStepSize_y;
[ppX,ppY] = meshgrid(ppx,ppy);
ppY_rot = ppX*(-sind(rot_ang)) + ppY*cosd(rot_ang);
ppX_rot = ppX*cosd(rot_ang) + ppY*sind(rot_ang);
end