pro loadb,file,x,y,header,rot,array
;---------------------------------------------------------------------
;        create a byte array from a file
;        
;        where:  file   = file name (in quotes)
;                x      = x dimension of the array
;                 y      = y dimension of the array
;                header = number of bytes to skip into the file before
;                         reading an image
;                rot    = number to rotate or flip image:
;                                 0 = 0 degrees (counter-clockwise)
;                                1 = rotate 90 degrees
;                                2 = rotate 180 degrees
;                                3 = rotate 270 degrees
;                                4 = flip image right-left and
;                                    rotate 270 degrees 
;                                 5 = flip image right-left
;                                6 = flip image right-left and
;                                    rotate 90 degrees 
;                                7 = flip image top-bottom
;                array  = output name for the array
;
;-----------------------------------------------------------------------
;
openr,unit,file,/GET_LUN
;
temp = assoc(unit,bytarr(x,y),header)
tmp = temp(0)
array = rotate(tmp,rot)
;
FREE_LUN,unit
;
end