Added one log PSD curves into import list by press Insert key to spectrum comparison

Author: demvlad

src/graph_imported_curves.js

@@ -6,7 +6,7 @@ export function ImportedCurves(curvesChanged) {
   this.maxX = -Number.MAX_VALUE;
   this.minY = Number.MAX_VALUE;
   this.maxY = -Number.MAX_VALUE;
-  
+
   this.curvesCount = function() {
     return this._curvesData.length;
   };
@@ -64,6 +64,29 @@ export function ImportedCurves(curvesChanged) {
       }
     };
 
+  this.addCurve = function(points, name) {
+    this._curvesData.push({
+      name: name,
+      points: points,
+    });
+    for (const point of points) {
+      this.minX = Math.min(point.x, _that.minX);
+      this.maxX = Math.max(point.x, _that.maxX);
+      this.minY = Math.min(point.y, _that.minY);
+      this.maxY = Math.max(point.y, _that.maxY);
+    }
+    curvesChanged();
+  }
+
+  this.isNewCurve = function(name) {
+    for (const curve of this._curvesData) {
+      if (curve.name == name) {
+        return false;
+      }
+    }
+    return true;
+  }
+
   this.removeCurves = function() {
     this._curvesData.length = 0;
     this.minX = Number.MAX_VALUE;

src/graph_spectrum_plot.js

@@ -1801,8 +1801,19 @@ GraphSpectrumPlot.removeImportedCurves = function() {
 };
 
 GraphSpectrumPlot.addCurrentSpectrumIntoImport = function() {
-  if (this._spectrumType === SPECTRUM_TYPE.POWER_SPECTRAL_DENSITY) {
-    alert("The PSD curve is added into import");
+  if (this._spectrumType === SPECTRUM_TYPE.POWER_SPECTRAL_DENSITY &&
+      this._importedPSD.isNewCurve(this._fftData.fieldName)) {
+    const fftLength = this._fftData.fftLength;
+    const frequencyStep = 0.5 * this._fftData.blackBoxRate / fftLength;
+    const points = [];
+    for (let index = 0; index < fftLength; index++) {
+      const frequency = frequencyStep * index;
+      points.push({
+        x: frequency,
+        y: this._fftData.fftOutput[index],
+      });
+    }
+    this._importedPSD.addCurve(points, this._fftData.fieldName);
   }
 };