The spectrum charts improvements.

index.html

@@ -457,8 +457,11 @@ <h4>Workspace</h4>
                             <select id="spectrumTypeSelect">
                                 <option value="0">Frequency</option>
                                 <option value="1">Freq. vs Throttle</option>
-                                <option value="3">Freq. vs RPM</option>
-                                <option value="2">Error vs Setpoint</option>
+                                <option value="2">Freq. vs RPM</option>
+                                <option value="3">Power spectral density</option>
+                                <option value="4">PSD vs Throttle</option>
+                                <option value="5">PSD vs RPM</option>
+                                <option value="6">Error vs Setpoint</option>
                             </select>
                         </div>
 

src/css/main.css

@@ -616,7 +616,7 @@ html.has-analyser-fullscreen.has-analyser
   height: 0;
   overflow: hidden;
   opacity: 0;
-  left: 120px;
+  left: 130px;
   float: left;
   z-index: 9;
   position: absolute;

src/graph_spectrum.js

@@ -112,10 +112,22 @@ export function FlightLogAnalyser(flightLog, canvas, analyserCanvas) {
           fftData = GraphSpectrumCalc.dataLoadFrequencyVsRpm();
           break;
 
+        case SPECTRUM_TYPE.PSD_VS_THROTTLE:
+          fftData = GraphSpectrumCalc.dataLoadPowerSpectralDensityVsThrottle();
+          break;
+
+        case SPECTRUM_TYPE.PSD_VS_RPM:
+          fftData = GraphSpectrumCalc.dataLoadFrequencyVsRpm(true);
+          break;
+
         case SPECTRUM_TYPE.PIDERROR_VS_SETPOINT:
           fftData = GraphSpectrumCalc.dataLoadPidErrorVsSetpoint();
           break;
 
+        case SPECTRUM_TYPE.POWER_SPECTRAL_DENSITY:
+          fftData = GraphSpectrumCalc.dataLoadPSD(analyserZoomY);
+          break;
+
         case SPECTRUM_TYPE.FREQUENCY:
         default:
           fftData = GraphSpectrumCalc.dataLoadFrequency();
@@ -187,6 +199,11 @@ export function FlightLogAnalyser(flightLog, canvas, analyserCanvas) {
         debounce(100, function () {
           analyserZoomY = 1 / (analyserZoomYElem.val() / 100);
           GraphSpectrumPlot.setZoom(analyserZoomX, analyserZoomY);
+          // Recalculate PSD with updated samples per segment count
+          if (userSettings.spectrumType == SPECTRUM_TYPE.POWER_SPECTRAL_DENSITY) {
+            dataLoad();
+            GraphSpectrumPlot.setData(fftData, userSettings.spectrumType);
+          }
           that.refresh();
         })
       )