function f_drawrecon (h,colors)

%F_DRAWRECON: Draw a block diagram for GUI module g_reconstruct
%
% Usage:   f_drawrecon (h,colors);
%
% Input: h      = axis handle
%        colors = array of plotting colors
 
% Initialize

ylim = get(h,'Ylim');
xlim = get(h,'Xlim');
y0 = (ylim(2)-ylim(1))/2;
axes (h);
hold on
arrow = 0.1;
boxwidth = 0.2;
boxheight = 0.2;
circle = 0.02;

% Draw block diagram

f_circle (0.5-1.5*arrow-boxwidth,y0,circle,colors(3,:));
text (0.5-1.5*arrow-boxwidth-0.03,y0,'y','Color',colors(3,:),'HorizontalAlignment','center');
f_vector (0.5-1.5*arrow-boxwidth+0.5*circle,y0,1,0,arrow-0.5*circle,colors(3,:))
f_block (0.5-0.5*arrow-boxwidth,y0-0.5*boxheight,boxwidth,boxheight,colors(2,:))
f_vector (0.5-0.5*arrow,y0,1,0,arrow,colors(2,:))
text (0.5,1.20*y0,'x_b','Color',colors(2,:),'HorizontalAlignment','center');
f_block (0.5+0.5*arrow,y0-0.5*boxheight,boxwidth,boxheight,colors(3,:))
text (0.5+0.5*arrow+0.5*boxwidth,y0,'ADC','HorizontalAlignment','center')
f_line (0.5+0.5*arrow+boxwidth,y0,1,0,arrow-0.5*circle,colors(3,:))
f_circle (0.5+1.5*arrow+boxwidth,y0,circle,colors(3,:))
text (0.5+1.5*arrow+boxwidth+0.03,y0,'x','Color',colors(3,:),'HorizontalAlignment','center');

% function [pos,colors,h] = f_drawrecon

%F_DRAWRECON: Draw a block diagram for GUI module g_reconstruct
%
% Usage:   [pos,colors,h] = f_drawsamp;
%
% Outputs: pos    = position of axes for block diagram
%          h      = axis handle
%          colors = array of plotting colors 
 
% Draw block diagram

%h = subplot(2,1,1);
%cla
%colors = get(gca,'ColorOrder');
%pos = get(gca,'Position');
%hold on
%f_circle (5,50,2,colors(3,:));
%f_vector (6,50,1,0,9,colors(3,:))
%f_block (15,40,20,20,colors(2,:))
%text (25,50,'DAC','HorizontalAlignment','center')
%f_vector (35,50,1,0,10,colors(2,:))
%t1 = text (38,54,'y_b');
%set(t1,'Color',colors(2,:))
%f_block (45,40,20,20,colors(1,:))
%text (55,55,'anti-','HorizontalAlignment','center')
%text (55,50,'imaging','HorizontalAlignment','center')
%text (55,45,'filter','HorizontalAlignment','center')
%f_line (65,50,1,0,9,colors(1,:))  
%f_circle (75,50,2,colors(1,:))
%t0 = text (0,50,'y');
%set(t0,'Color',colors(3,:))
%t2 = text (77,50,'y_a');
%set(t2,'Color',colors(1,:))
%axis([0 170 0 60])
%axis off