c restrictions to filter input FITS 3D (binary) file
c when constructing a spectrum
	common/adlimits/xpmin, ypmin, xpmax, ypmax, gmin, gmax, 
     +				threshold
	common/adlimit2/adname
	integer gmax, gmin
	integer xpmax, ypmax, xpmin, ypmin
	integer threshold
	character*80	adname