;+
;PROCEDURE: load_hkp_mfi
;PURPOSE:
; Creates TPLOT magnetic field variables from 3DP housekeeping data.
; To be used when key parameter file is not available.
;INPUTS:
; none
;KEYWORDS:
; none
;NOTES:
; 3DP housekeeping data gives direction of magnetic field only. A
; magnitude of 1 is assumed to create these variables.
;CREATED BY: Peter Schroeder
;LAST MODIFIED: %W% %E%
;-
pro load_hkp_mfi
get_hkp
get_data,'hkp_magel',ptr=magel
get_data,'hkp_magaz',ptr=magaz
newmagel = double(*magel.y) - 90d
newmagaz = 360d - double(*magaz.y)/4096d*360d
sphere_to_cart,1.,newmagel,newmagaz,magx,magy,magz
magf = dblarr(n_elements(magx),3)
magf(*,0) = magx
magf(*,1) = magy
magf(*,2) = magz
store_data,'wi_B',data={x: magel.x, y: magf}
get_data,'wi_B',ptr=pdata
store_data,'wi_B3',data=pdata
return
end