provide de-embedding data for rData() if available

Software/PC_Application/LibreVNA-GUI/Traces/Math/tracemath.h

@@ -110,7 +110,7 @@ public:
     void assignInput(TraceMath *input);
 
     DataType getDataType() const;
-    std::vector<Data>& rData() { return data;}
+    virtual std::vector<Data>& rData() { return data;}
     Status getStatus() const;
     QString getStatusDescription() const;
     virtual Type getType() = 0;

Software/PC_Application/LibreVNA-GUI/Traces/trace.cpp

@@ -1484,6 +1484,15 @@ unsigned int Trace::numSamples()
     }
 }
 
+std::vector<Trace::Data> &Trace::rData()
+{
+    if(deembeddingActive && deembeddingAvailable()) {
+        return deembeddingData;
+    } else {
+        return TraceMath::rData();
+    }
+}
+
 double Trace::getUnwrappedPhase(unsigned int index)
 {
     if(index >= size()) {

Software/PC_Application/LibreVNA-GUI/Traces/trace.h

@@ -93,6 +93,7 @@ public:
     virtual Data getSample(unsigned int index) override;
     virtual Data getInterpolatedSample(double x) override;
     virtual unsigned int numSamples() override;
+    virtual std::vector<Data>& rData() override;
 
     double getUnwrappedPhase(unsigned int index);
     // returns a (possibly interpolated sample) at a specified frequency/time/power