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sv_ip_ifft(sv_ip) SunVision IP sv_ip_ifft(sv_ip)

NAME

sv_ip_ifft - inverse fourier transform

DESCRIPTION

The sv_ip_ifft object transforms the input image to the output by performing an inverse fourier transform on the input.

SUPERCLASS

sv_ip_filter

INSTANCE VARIABLES

No new instance variables.

MESSAGES

No new messages.

EXAMPLE

<sv-ip-constants motif application= `Weird huh?' create!;

motif_drawing_area new: `da' parent=`motif' @ `width' : 256 @ `height' : 256 expose_action=`display_image' create! ;

sv_ip_copy new: _mr_float data_in=`mr_ip' data_type=ipFLOAT ;

sv_ip_copy new: _pet_float data_in=`pet_byte_256' data_type=ipFLOAT ;

sv_ip_fft new: mr_fft data_in=`_mr_float'; sv_ip_fft new: pet_fft data_in=`_pet_float';

sv_ip_fft_mul new: fft_product data_in=(`mr_fft', `pet_fft') ;

sv_ip_ifft new: product data_in=(`fft_product');

sv_ip_display new: image data_in=`product'

;

logic new: `if';

actions new: `display_image' tick_actions=` if defined:`da_win' false:` xwindow new: `da_win' id=[da window_id?] -- must set depth explicitly for now depth=[da @ `depth' scalar_value?] ; image window= `da_win'; ' ; image render!; ' ;

motif on! start!;