printing changes tuning for publication quality

sphear_fir_render_directions.m

@@ -67,18 +67,20 @@ function [BFF] = sphear_fir_render_directions(FIR, fmin, fmax, N, Npre, Nfft, pl
       cext = "_color";
     else
       %% mono plot
-      wopts = '-;W;';
-      popts = '--;X;';
-      dopts = '-.;Y;';
+      wopts = '-';
+      popts = '--';
+      dopts = ':';
       copt = '-mono';
       cext = "_mono";
     end
     f = figure;
     hold on;
     grid on;
-    axis([fmin, fmax, -30, 0]);
+    axis([fmin, fmax, -40, 0]);
     tics('y', [6, 0, -3, -6, -9, -12, -15, -20, -25, -30]);
     tics('x', [300, 500, 1000, 2000, 3000, 5000, 7000, 10000, 15000, 20000]);
+    ca=get (gcf, "currentaxes");
+    set(ca,"fontweight","bold","linewidth",1.5)
 
     idx = 1;
     for m = [1, 5, 9, 13, 3, 7, 11, 15]
@@ -95,24 +97,28 @@ function [BFF] = sphear_fir_render_directions(FIR, fmin, fmax, N, Npre, Nfft, pl
       end
       fr = (1:Nfft/2) * Fs/Nfft;
       %% W
-      semilogx(fr, bfft(idx,1,1:end/2) * 10^(6/20), wopts);
+      p1 = semilogx(fr, bfft(idx,1,1:end/2) * 10^(-6/20), wopts, "linewidth", 1.5);
       %% print principal and diagonal directions with different colors
-      if (idx > 4)
-	col = popts;
-      else
-	col = dopts;
-      end
       if (rem(idx, 2) == 1)
-	semilogx(fr, bfft(idx,2,1:end/2), col);
+	if (idx > 4)
+	  p2 = semilogx(fr, bfft(idx,2,1:end/2) * 10^(6/20), dopts, "linewidth", 1.5);
+	else
+	  p3 = semilogx(fr, bfft(idx,2,1:end/2) * 10^(6/20), popts, "linewidth", 1.5);
+	end
       else
-	semilogx(fr, bfft(idx,3,1:end/2), col);
+	if (idx > 4)
+	  p2 = semilogx(fr, bfft(idx,3,1:end/2) * 10^(6/20), dopts, "linewidth", 1.5);
+	else
+	  p3 = semilogx(fr, bfft(idx,3,1:end/2) * 10^(6/20), popts, "linewidth", 1.5);
+	end
       end
 
       idx = idx + 1;
     end
 
-    l = legend('W (+6dB)', 'XY principal', 'XY diagonal');
-    legend(l, 'location', 'west');
+    l = legend([p1, p2, p3],
+	       {"XY principal directions", "W (+12dB for clarity)", "XY diagonal directions"});
+    legend(l, 'location', 'southwest');
     if (strcmp(plot_on, 'eps') || strcmp(plot_on, 'epsc') || plot_on == 1)
       print(f, '-deps', '-tight', copt,["figures/sphear_directions.eps"]);
     else