RF antenna azimuth, plotting improvements

@rfSensor/plotParameters.m

@@ -7,32 +7,49 @@ function f = plotParameters(obj)
     end
     
     % Distance and tilt sample points
-    d_values = [0.01, 0.1, 0.25, 0.5, 0.75, 1, 2, 3, 4, 5:5:100];
-    % t = zeros(size(d));
-    t_values = -90:15:90;
+    d_values = [0.1, 0.5, 1:1:9, 10:2:19, 20:5:49, 50:10:100];
+    t_values = -90:0.5:90;
+    a_values = 0:0.5:360;
 
     % Make grid of values of distances and tilts
-    [d_mg, t_mg] = meshgrid(d_values, t_values);
-    d = d_mg(:); t = t_mg(:); % flatten
+    [d_mg, t_mg, a_mg] = meshgrid(d_values, t_values, a_values);
+    d = d_mg(:); t = t_mg(:); a = a_mg(:); % flatten
 
-    % Sample SINR (SNR) function by distances, tilts
-    % using SINR method with no other transmitters defined is equivalent to SNR
-    s_x = obj.sensorPerformance(d, t); % don't define other sensors
+    % Sample received signal strength (no interference or noise)
+    s_x = obj.RSS(d, t, a);
     s_x = reshape(s_x, size(d_mg));
 
-    % Plot resultant sigmoid curves
+    [T, A] = meshgrid(t_values, a_values);   % Naz x Nel
+    Tr = deg2rad(T);
+    Ar = deg2rad(A);
+    
     figure;
-    plot(d_values.', s_x(repmat((t_values == 0).', 1, size(d_values, 2))), "LineWidth", 2);
-    grid("on");
-    title("SNR vs Distance at 0 tilt");
-    xlabel("Distance (m)");
-    ylabel("SNR (dB)");
+    hold("on");
 
-    figure;
-    surf(d_mg, t_mg, s_x);
+    for ii = 1:numel(d_values)
+        % geometry (your "tilt from nadir, stack by distance")
+        X = d_values(ii) * cos(Ar) .* sin(Tr);
+        Y = d_values(ii) * sin(Ar) .* sin(Tr);
+        Z = d_values(ii) * ones(size(X));
+    
+        % evaluate or extract this slice
+        Fslice = squeeze(s_x(:, ii, :))';
+    
+        % plot as its own surface
+        h = surf(X, Y, Z, Fslice);
+        h.EdgeColor = 'none';
+        h.FaceColor = 'interp';
+        h.FaceAlpha = 0.25;
+    end
+
+    colormap(turbo);
+    colorbar;
+    daspect([1 1 0.2])   % Separate Z further for more distinct layers
+    xlabel('X'); ylabel('Y'); zlabel('Distance (m)');
+    set(gca,'ZDir','reverse');
+    view(3); 
+    axis("vis3d");
     grid("on");
-    title("SNR vs Distance and Tilt");
-    xlabel("Distance (m)");
-    ylabel("Tilt (deg)");
-    zlabel("SNR (dB)");
+    scatter3(0, 0, 0, 'rx');
+    hold("off");
 end