dtsigplt.m

ADSP TOOLBOX: Version 2.0 and gui m-files

function dtsigplt(mode)
%DTSIGPLT Support file for DTSIGGUI and DTSIMGUI


% ADSP Toolbox: Version 2.0 
% For use with "Analog and Digital Signal Processing", 2nd Ed.
% Published by PWS Publishing Co.
%
% Ashok Ambardar, EE Dept. MTU, Houghton, MI 49931, USA
% http://www.ee.mtu/faculty/akambard.html
% e-mail: [e-mail]
% Copyright (c) 1998


f = gcf;
ui = get(f,'userdata');

%%%%%%%%%%%%
if get(ui(15),'userdata')==1
set(f,'currentaxes',ui(29));
zoom out,zoom reset
set(f,'currentaxes',ui(32));
zoom out,zoom reset
end
%%%%%%%%%%

% get appropriate line handles
axs_han = get(ui(6),'userdata');
sig_han = get(axs_han,'chil');

[new_y,p_range] = dtsiggen(mode);
dtstem(sig_han,p_range,new_y);
llim=min(new_y);ulim=max(new_y);
if llim>=0,llim=0;ulim=ulim;end
if ulim<=0,ulim=0;llim=llim;end
ulim=1.2*ulim;llim=1.2*llim;
if ulim==llim,llim=llim-0.5;ulim=ulim+0.5;end
set(ui(29),'ylim',[llim,ulim]);

% update special axis
set(ui(8),'userdata',[p_range;new_y]);

% store signals (for CONVGUI only)
set(axs_han,'userdata',[p_range;new_y]);