; ; This document describes the HESSI blankets. ; ;The following is the data structure used to describe all of the elements in the X-ray path. ;The thickness units default is 'cm', although 'mils' is most commonly used. ;Presently, only 'mils' is recognized as an alternative to a blank string. ;The id tag means, 0- fixed in path, 1- part of shutter_10 (Thin/B), 2-part of shutter_01(Thick/A). ; ;hessi_win = { hessi_win5, fraction:fltarr(5), regions:intarr(5), layers: intarr(2), $ ; thickness: fltarr(2), units:'', z:0, id:0} ; Define the fractional areas of 4 regions defining the X-ray path cross-section. ; These are the fractional values seen in the lines defining the material in each layer and segment. ;0.850, .050, .0874, 0.012, 0.0006 ;frac1, frac2, frac3, frac4, frac5 ;0.833207, 0.0841974, .06975, 0.01178, 0.001063 ;frac1, frac2, frac3, frac4, frac5 disc9 1.0, 0.0, 0.0, 0.0, 0.0 ;frac1, frac2, frac3, frac4, frac5 disc9 ; Top of imager ;Imager Top Kapton mylar, all regions, 3 or 5 mil mylar, carbon frac1, frac2, frac3, frac4, frac5, 1 1, 1, 1, 1, 1, 1, .00657, .01096, gmcm2, 6, 0 ;Imager Top Kapton mylar, all regions, 3 or 5 mil mylar, oxygen frac1, frac2, frac3, frac4, frac5, 1 1, 1, 1, 1, 1, 1, .003504, .00584, gmcm2, 8, 0 ;Imager Top Blankets, all regions, 5-12 layers of 0.25-0.5 mil mylar ;Carbon in Mylar frac1, frac2, frac3, frac4, frac5, 1 1, 1, 1, 1, 5, 12, .000548, .001096, gmcm2, 6, 0 ;Oxygen in Mylar frac1, frac2, frac3, frac4, frac5, 1 1, 1, 1, 1, 5, 12, .000292, .000584, gmcm2, 8, 0 ; Bottom of Imager ;Imager Bottom Kapton mylar, all regions, 3 or 5 mil mylar, carbon frac1, frac2, frac3, frac4, frac5, 1 1, 1, 1, 1, 1, 1, .00657, .01096, gmcm2, 6, 0 ;Imager Top Kapton mylar, all regions, 3 or 5 mil mylar, oxygen frac1, frac2, frac3, frac4, frac5, 1 1, 1, 1, 1, 1, 1, .003504, .00584, gmcm2, 8, 0 ;Imager Bottom Blankets, all regions, 5-12 layers of 0.25-0.5 mil mylar ;Carbon in Mylar frac1, frac2, frac3, frac4, frac5, 1 1, 1, 1, 1, 5, 12, .000548, .001096, gmcm2, 6, 0 ;Oxygen in Mylar frac1, frac2, frac3, frac4, frac5, 1 1, 1, 1, 1, 5, 12, .000292, .000584, gmcm2, 8, 0 ;Summary of text read into structure hesi_win5 structure. ;** Structure HESSI_WIN5, 7 tags, length=72: ; FRACTION FLOAT Array[5] - fractional area in each of 5 regions ; REGIONS INT Array[5] - 1 indicates region populated with this material. 0 empty. ; LAYERS INT Array[2] - minimum and maximum number of layers ; THICKNESS FLOAT Array[2] - minimum and maximum thickness in UNITS ; UNITS STRING '' - UNITS mils or gmcm2 (gms/square cm) ; Z INT 0 - Z of material ; ID INT 0 - Association ID.