image is padded with 0 . code was partially taken from ij.plugin.fft.java : : pad . thanks for the inspiration ! concode_field_sep PlaceHolder placeHolder concode_field_sep FloatProcessor realFromFHT concode_elem_sep ImageProcessor powerFromFHT concode_elem_sep void FHTreal concode_elem_sep FloatProcessor imaginaryFromFHT concode_elem_sep FHT complexToFHT concode_elem_sep void cplxFHT concode_elem_sep void FHTimag
ImageProcessor function ( ImageProcessor arg0 , int arg1 ) { ImageProcessor loc0 = arg0 . createProcessor ( arg1 , arg1 ) ; loc0 . setValue ( 0 ) ; loc0 . fill ( ) ; loc0 . insert ( arg0 , 0 , 0 ) ; return loc0 ; }