Why is the plot created using the SCATTERPLOT function not displayed in my SUBPLOT in Communications Toolbox 3.2 (R14SP3)?
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I am creating a SCATTERPLOT as follows:
M = 16; Fd = 1; Fs = 10; N = Fs/Fd;
Pd = 200;
msg_d = randint(Pd,1,M);
msg_a = qammod(msg_d,M);
msg_a = rectpulse(msg_a,N);
rcv = rcosflt(msg_a,Fd,Fs);
rcv_a = rcv(3*N+1:end-4*N,:);
%plot my figure
subplot(1,2,1)
plot(1:10,1:10);
subplot(1,2,2)
h=scatterplot(rcv_a,N,0,'bx');
hold on;
scatterplot(rcv_a,N,N+1,'r+',h); % Plot +'s
scatterplot(rcv_a,N,N-1,'mx',h); % Plot x's
scatterplot(rcv_a,N,0,'b.',h); % Plot dots
hold off
The result of the SCATTERPLOT function is displayed in a new figure and not in the SUBPLOT.
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MathWorks Support Team
2019-4-8
编辑：MathWorks Support Team
2019-4-8
The ability to display the plot created by the SCATTERPLOT function in a SUBPLOT is not available in the Communications Toolbox 3.2 (R14SP3).
To workaround this issue, execute the following commands in MATLAB:
%Create example data for the SCATTERPLOT
M = 16; Fd = 1; Fs = 10; N = Fs/Fd;
Pd = 200;
msg_d = randint(Pd,1,M);
msg_a = qammod(msg_d,M);
msg_a = rectpulse(msg_a,N);
rcv = rcosflt(msg_a,Fd,Fs);
rcv_a = rcv(3*N+1:end-4*N,:);
%Display the Scatter Plot
h=scatterplot(rcv_a,N,0,'bx');hold on;%obtain handle to the figure
scatterplot(rcv_a,N,N+1,'r+',h); % Plot +'s
scatterplot(rcv_a,N,N-1,'mx',h); % Plot x's
scatterplot(rcv_a,N,0,'b.',h); % Plot dots
hold off
%Since 'h' is handle to the figure, its child should be an 'axis'
c1=get(h,'child')
%obtain x and y limits of the scatterplot
x=get(c1,'xlim');y=get(c1,'ylim')
%obtain the plotted points, which are of type 'line' and children of the
%'axis'. Since there were 4 scatterplots this is 1x4 vector.
c2=get(c1,'child')
%create the subplots
figure(2)
subplot(1,2,1)
plot(1:10,1:10);
h1=subplot(1,2,2)%obain the handle to the subplot. This is of type 'axis',
%since it is a child of the 'figure'.
set(h1,'xlim',[x(1) x(2)],'ylim',[y(1) y(2)])% set the axis limits to those of the scatterplot
%set the parent of each of the 4 'line' objects to h1
set(c2(1),'parent',h1)
set(c2(2),'parent',h1)
set(c2(3),'parent',h1)
set(c2(4),'parent',h1)
title('Scatter plot');Xlabel('In-phase');Ylabel('Quadrature');box on
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2019-4-8
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