;find_center ; ;PURPOSE: ; find_center will read in the listed coordinates from the files ; of type [filename]_mag.txt and try to find the center of the ; coordinate grid pro find_all_center, Directory=Directory, y_center=y_center, x_center=x_center, $ letter=letter,file_number=file_number If (not keyword_set(Directory)) then Directory='/a/pippin01/Volumes/u08/lsst/CPanalysis/2005-05-10/ShackHartman/' If (not keyword_set(letter)) then letter='a' If (not keyword_set(file_number)) then file_number='20' If (not keyword_set(x_center)) then x_center=[542.5] If (not keyword_set(y_center)) then y_center=[466] ;Loop through 100 images and obtain the fitted center for each num=25 num_of_files=100 X_centers=fltarr(num_of_files-1) Y_centers=fltarr(num_of_files-1) for file_number=1,num_of_files-1 do begin if (file_number lt 10) then filename=Directory+'hr5132'+letter+'_'+$ string(file_number,format='(I1)')+'_stats.txt' if file_number ge 10 and file_number lt 100 then filename=$ Directory+'hr5132'+letter+'_'+string(file_number,format='(I2)')+'_stats.txt' if file_number ge 100 and file_number lt 1000 then filename=$ Directory+'hr5132'+letter+'_'+string(file_number,format='(I3)')+'_stats.txt' ;The x coordinates are symmetric about a point that is not a ShackHartman image ;The y coordinates are symmetric about a ShackHartman image subx=2*indgen(num)-25 suby=indgen(num)-12 index=findgen(num*num) fullx=fltarr(num*num) fully=fltarr(num*num) ;y is constant for 25 entries; x increases for 25 entries and repeats ;i.e., scan is along x followed by y fullx(index)=subx(index mod num) fully=rebin(suby,num*num) readcol,filename,x_coord,y_coord,format='X,f,f' point_indices=where(x_coord ne -1) x_coord=x_coord(point_indices) y_coord=y_coord(point_indices) fullx=fullx(point_indices) fully=fully(point_indices) x_fit=curvefit(fullx,x_coord,weights,x_center,/noderivative,function_name='linear_function_x',yerror=xerror) y_fit=curvefit(fully,y_coord,weights,y_center,/noderivative,function_name='linear_function_y',yerror=yerror) X_centers(file_number-1)=x_center Y_centers(file_number-1)=y_center print,FORMAT='(%"%d\t\t%f\t\t%f")',file_number,x_center,y_center ;Errors at each point y_err=y_coord-y_fit x_err=x_coord-x_fit endfor set_plot,'ps' device,filename=Directory+'hr5132'+letter+'center.ps' loadct,39 ;load color table 39 device,/color ;allow color on the postscript device,ysize=8.5,/inches ;Height of plot in y device,xsize=10.0,/inches ;Width of plot in x device,yoffset=1.0,/inches ;Y position of lower left corner white='FFFFFF'x black='000000'x !P.CHARSIZE=1.2 !P.THICK=4. !P.NOERASE=1 !P.POSITION=[0.10,0.10,0.9,0.9] plot,findgen(99)+1,y_centers,psym=1,title="Y Center Coordinate for files hr5132"+letter,$ xtitle="File Number",ytitle="Y Coordinate",background=white,color=black, $ yrange=[min(y_centers)-10,max(y_centers)+10] device,/close set_plot,'X' stop end