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% plamp.m
% Plot ampltiude modelling information from c2sim dump files.
function plamp(samname, f, epslatex=0)
plot_sw = 1;
sn_name = strcat(samname,"_sn.txt");
Sn = load(sn_name);
sw_name = strcat(samname,"_sw.txt");
Sw = load(sw_name);
sw__name = strcat(samname,"_sw_.txt");
if (file_in_path(".",sw__name))
Sw_ = load(sw__name);
endif
ew_name = strcat(samname,"_ew.txt");
if (file_in_path(".",ew_name))
Ew = load(ew_name);
endif
E_name = strcat(samname,"_E.txt");
if (file_in_path(".",E_name))
E = load(E_name);
endif
rk_name = strcat(samname,"_rk.txt");
if (file_in_path(".",rk_name))
Rk = load(rk_name);
endif
model_name = strcat(samname,"_model.txt");
model = load(model_name);
modelq_name = strcat(samname,"_qmodel.txt");
if (file_in_path(".",modelq_name))
modelq = load(modelq_name);
endif
pw_name = strcat(samname,"_pw.txt");
if (file_in_path(".",pw_name))
Pw = load(pw_name);
endif
pwb_name = strcat(samname,"_pwb.txt");
if (file_in_path(".",pwb_name))
Pwb = load(pwb_name);
endif
lsp_name = strcat(samname,"_lsp.txt");
if (file_in_path(".",lsp_name))
lsp = load(lsp_name);
endif
phase_name = strcat(samname,"_phase.txt");
if (file_in_path(".",phase_name))
phase = load(phase_name);
endif
phase_name_ = strcat(samname,"_phase_.txt");
if (file_in_path(".",phase_name_))
phase_ = load(phase_name_);
endif
snr_name = strcat(samname,"_snr.txt");
if (file_in_path(".",snr_name))
snr = load(snr_name);
endif
if epslatex, [textfontsize linewidth] = set_fonts(); end
k = ' ';
do
figure(1); clf;
clf;
s = [ Sn(2*f-1,:) Sn(2*f,:) ];
plot(s,'b');
axis([1 length(s) -30000 30000]);
xlabel('Time (samples)'); ylabel('Amplitude');
figure(2); clf;
Wo = model(f,1);
L = model(f,2);
Am = model(f,3:(L+2));
plot((1:L)*Wo*4000/pi, 20*log10(Am),"+-r");
axis([1 4000 -10 80]);
hold on;
if plot_sw
plot((0:255)*4000/256, Sw(f,:),"b");
end
hold off; grid minor;
ylabel ('Amplitude (dB)'); xlabel('Frequency (Hz)');
figure(3); clf;
hold on;
plot((0:255)*4000/256, Sw(f,:),"b");
plot((1:L)*Wo*4000/pi, 20*log10(Am),"+-r");
plot((0:255)*4000/256, E(f)+10*log10(Pwb(f,:)),"g");
plot(lsp(f,:)*4000/pi, 75,"g+");
hold off; grid minor;
axis([1 4000 -10 80]);
ylabel ('Amplitude (dB)'); xlabel('Frequency (Hz)');
figure(4); clf;
hold on;
plot((0:255)*4000/256, E(f)+10*log10(Pwb(f,:)),"g");
plot((0:255)*4000/256, 10*log10(Pw(f,:)),"r");
hold off; grid minor;
axis([1 4000 -10 80]);
ylabel ('Amplitude (dB)'); xlabel('Frequency (Hz)');
% print EPS file
if epslatex
sz = "-S300,200";
figure(1);
fn = sprintf("%s_%d_sn.tex",samname,f);
print(fn,"-depslatex",sz); printf("\nprinting... %s\n", fn);
% file of points to plot in sinusoidal model
fn = sprintf("%s_%d_sn.txt",samname,f);
t_length = 4; s_max = 2; s=s*s_max/max(abs(s));
N = length(s); t = (0:N-1)*t_length/N;
s_save = [t' s']; size(s_save)
save("-ascii",fn,"s_save"); printf("printing... %s\n", fn);
figure(2);
fn = sprintf("%s_%d_sw.tex",samname,f);
print(fn,"-depslatex",sz); printf("printing... %s\n", fn);
figure(3);
fn = sprintf("%s_%d_lpc_lsp.tex",samname,f);
print(fn,"-depslatex",sz); printf("printing... %s\n", fn);
figure(4);
fn = sprintf("%s_%d_lpc_pf.tex",samname,f);
print(fn,"-depslatex",sz); printf("printing... %s\n", fn);
restore_fonts(textfontsize,linewidth);
endif
% interactive menu
printf("\rframe: %d menu: n-next b-back s-plot_sw q-quit", f);
fflush(stdout);
k = kbhit();
if k == 'n'; f = f + 1; endif
if k == 'b'; f = f - 1; endif
if k == 's'
if plot_sw; plot_sw = 0; else; plot_sw = 1; end
endif
until (k == 'q')
printf("\n");
endfunction
function [textfontsize linewidth] = set_fonts(font_size=12)
textfontsize = get(0,"defaulttextfontsize");
linewidth = get(0,"defaultlinelinewidth");
set(0, "defaulttextfontsize", font_size);
set(0, "defaultaxesfontsize", font_size);
set(0, "defaultlinelinewidth", 0.5);
end
function restore_fonts(textfontsize,linewidth)
set(0, "defaulttextfontsize", textfontsize);
set(0, "defaultaxesfontsize", textfontsize);
set(0, "defaultlinelinewidth", linewidth);
end
function print_eps_restore(fn,sz,textfontsize,linewidth)
print(fn,"-depslatex",sz);
printf("printing... %s\n", fn);
restore_fonts(textfontsize,linewidth);
end
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