;+ ; NAME: ; POINT_HEX2 ; PURPOSE: ; Generate an OG for a specified pointing location. The output ; is in hexadecimal, appropriate for OG editing via OPOGEDT. ; CATEGORY: ; Yohkoh ; CALLING SEQUENCE: ; point_hex2, angle, og_number, bc, offset = offset ; point_hex2, [-.0797+E1/3600.,.0295+E2/3600.], /name ; (here the Euler angles E1 and E2 are those returned ; by TERM_REVIEW,/SET - need to convert from degrees) ; INPUTS: ; angle [eX,eY], in degrees (note: this is a low-level ; program! These target angles are the Euler angles, not the ; X,Y displacements.) ; og_number, the (decimal) OG number that the new commands are for ; OPTIONAL (KEYWORD) INPUT PARAMETERS: ; offset is the nominal pointing, default = [0.0003889,0.002111] ; normal is the Euler angles of the S/C NORMAL POINT command, default ; at [-.0797,.0295] ; name forces the printed output of a suggested name for the OG ; command, under the convention (incremental displacements in ; arc min relative to the NORMAL POINT location) ; OUTPUTS: ; bc: an array of 8 hexadecimal numbers for entry into an OG ; COMMON BLOCKS: ; SIDE EFFECTS: ; RESTRICTIONS: ; does not create a Z-angle command (hard-wired to 00 00) ; Errors as large as 2 arcsec in X (8 LSB units) ; and 10 arcsec in Y (50 LSB units) have been found ; in comparison with 6 previous cases. ; The code has built-in limit switches to help prevent the generation ; of large offpoints ; WARNING: ; The Euler angles are defined such that X increasing => S/C south ; Y increasing => S/C east ; MODIFICATION HISTORY: ; HSH, written 13-Feb-1995 ; LWA, corrected and checked 15-Feb-95 ; HSH, added /name and /normal keywords, limit switches 5-Jun-95 ; LWA, Changed naming format to include decimals. 13-Nov-95 ; HSH, added print statements to match OG editor format; ; added og_number input variable. 13-Nov-95 ; LWA, OG_NUMBER feature disabled. 13-Nov-95 (!) ; SKS, added if & format statements to adjust name_x/y output. 13-Nov-95 ; HSH, added another example to the calling sequence. 6-aug-96 ; HSH, improved the documentation a bit. 22-Nov-98 ; HSH, added text output to hardwired directory, 19-Nov-99 ; HSH, added nofile to defeat text, 7-Jun-00 ;- pro point_hex2, angle, og_number, xy_hex, offset = offset, name = name, $ normal = normal, qdebug = qdebug, text = text, nofile = nofile OG_NUMBER=' ' number = strtrim(string(og_number),1) xy = angle safe = [-.2, .34, -.34, .34] if (xy(0) lt safe(0) or xy(0) gt safe(1) or xy(1) lt safe(2) or $ xy(1) gt safe(3)) then begin print,' ' print,"WARNING: YOU'VE REQUESTED AN EXCESSIVE OFFPOINT. BACK OFF!" print,"WARNING: YOU'VE REQUESTED AN EXCESSIVE OFFPOINT. BACK OFF!" print,"WARNING: YOU'VE REQUESTED AN EXCESSIVE OFFPOINT. BACK OFF!" print,"WARNING: YOU'VE REQUESTED AN EXCESSIVE OFFPOINT. BACK OFF!" print,' ' goto, bail endif lsb = 5.5555e-5 if n_elements(offset) eq 0 then offset = [0.0003889,0.002111] ; ACS offset if n_elements(normal) eq 0 then normal = [-.0797,.0295] ; from S/C NORMAL POINT xy_red = -(xy-offset)/lsb if xy_red(0) lt 0 then xy_red(0) = xy_red(0) + 65536 if xy_red(1) lt 0 then xy_red(1) = xy_red(1) + 65536 xy_hex = to_hex(65536 - xy_red,4) bc = strarr(8) bc(0) = '81 bc(1) = '00 bc(2) = strmid(xy_hex(0),0,2) bc(3) = strmid(xy_hex(0),2,2) bc(4) = strmid(xy_hex(1),0,2) bc(5) = strmid(xy_hex(1),2,2) bc(6) = '00 bc(7) = '00 ;print,'Block Commands for Yohkoh Pointing under TFSS Control ;print,' ;print,'TARGET ANGLE-X ;print,' ',xy(0),' (DEG) ;print,'TARGET ANGLE-Y ;print,' ',xy(1),' (DEG) print,'TARGET ANGLE-X ',xy(0),' (DEG) print,'TARGET ANGLE-Y ',xy(1),' (DEG) ;print,' print,'BLOCK COMMAND ===> ',bc if keyword_set(name) then begin ; disp_x = fix((angle(0)) * 60.) ; disp_x = fix((angle(0) - offset(0) - normal(0)) * 60.) disp_x = (angle(0) - offset(0) - normal(0)) * 60. if (abs(disp_x) lt 1.0) then dx_nums = $ strmid(string(abs(disp_x),format='(f0.5)'),1,4) $ else dx_nums = strmid(string(abs(disp_x),format='(f0.5)'),0,4) if disp_x lt 0. then name_x = 'N'+dx_nums if disp_x eq 0. then name_x = 'N0.0' if disp_x gt 0. then name_x = 'S'+dx_nums ; disp_y = fix((angle(1)) * 60.) ; disp_y = fix((angle(1) - offset(1) - normal(1)) * 60.) disp_y = (angle(1) - offset(1) - normal(1)) * 60. print,disp_x,disp_y if (abs(disp_y) lt 1.0) then dy_nums = $ strmid(string(abs(disp_y),format='(f0.5)'),1,4) $ else dy_nums = strmid(string(abs(disp_y),format='(f0.5)'),0,4) if disp_y lt 0. then name_y = 'W'+dy_nums if disp_y eq 0. then name_y = 'W0.0' if disp_y gt 0. then name_y = 'E'+dy_nums print,'COMMAND NAME: S/C ', name_y, ' ', name_x, $ ' (offset angles in arcmin)' endif print,' ' print,'----- OG EDITOR OUTPUT ---------------' print,' ' print,' NUMBER : ',number,' NAME : S/C ', name_y,' ',name_x print,' ' print,' 1 04-DC-8A ACS: ACP DATA SET+B7' print,' 2 04-BC-81 ACS: BC print,' 3 04-BC-',strmid(xy_hex(0),0,2),' ACS: BC' print,' 4 04-BC-',strmid(xy_hex(0),2,2),' ACS: BC' print,' 5 04-BC-',strmid(xy_hex(1),0,2),' ACS: BC' print,' 6 04-BC-',strmid(xy_hex(1),2,2),' ACS: BC' print,' 7 04-BC-00 ACS: BC print,' 8 04-BC-00 ACS: BC print,' 9 04-DC-11 ACS: BC EXEC +++' print,' ' if n_elements(text) ne 0 and n_elements(nofile) eq 0 then begin get_lun, lun openw, lun, '/home/sxt_co/terminator/pointing_request/scratch.txt' printf,lun,'TARGET ANGLE-X ',xy(0),' (DEG) printf,lun,'TARGET ANGLE-Y ',xy(1),' (DEG) printf,lun,'BLOCK COMMAND ===> ',bc printf,lun,disp_x,disp_y printf,lun,'COMMAND NAME: S/C ', name_y, ' ', name_x, $ ' (offset angles in arcmin)' printf,lun,' ' printf,lun,'----- OG EDITOR OUTPUT ---------------' printf,lun,' ' printf,lun,' NUMBER : ',number,' NAME : S/C ', name_y,' ',name_x printf,lun,' ' printf,lun,' 1 04-DC-8A ACS: ACP DATA SET+B7' printf,lun,' 2 04-BC-81 ACS: BC printf,lun,' 3 04-BC-',strmid(xy_hex(0),0,2),' ACS: BC' printf,lun,' 4 04-BC-',strmid(xy_hex(0),2,2),' ACS: BC' printf,lun,' 5 04-BC-',strmid(xy_hex(1),0,2),' ACS: BC' printf,lun,' 6 04-BC-',strmid(xy_hex(1),2,2),' ACS: BC' printf,lun,' 7 04-BC-00 ACS: BC printf,lun,' 8 04-BC-00 ACS: BC printf,lun,' 9 04-DC-11 ACS: BC EXEC +++' printf,lun,' ' close, lun free_lun, lun endif bail: if n_elements(qdebug) then stop end