Correlation: Sync depth range to tornado and use RFT curve depth values for filtering

ApplicationLibCode/ProjectDataModel/WellLog/RimWellLogRftCurve.cpp

@@ -1220,6 +1220,28 @@ std::vector<double> RimWellLogRftCurve::measuredDepthValues( QString& prefixText
     return {};
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+std::vector<double> RimWellLogRftCurve::rftCurveDepthValues( RifReaderRftInterface*      reader,
+                                                             const QString&              wellName,
+                                                             const QDateTime&            timeStep,
+                                                             RigEclipseWellLogExtractor* extractor )
+{
+    if ( !reader ) return {};
+
+    auto mdAddress = RifEclipseRftAddress::createAddress( wellName, timeStep, RifEclipseRftAddress::RftWellLogChannelType::MD );
+    std::vector<double> depths;
+    reader->values( mdAddress, &depths );
+    if ( depths.empty() && extractor ) depths = reader->computeMeasuredDepth( wellName, timeStep, extractor );
+    if ( depths.empty() )
+    {
+        auto tvdAddress = RifEclipseRftAddress::createAddress( wellName, timeStep, RifEclipseRftAddress::RftWellLogChannelType::TVD );
+        reader->values( tvdAddress, &depths );
+    }
+    return depths;
+}
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------

ApplicationLibCode/ProjectDataModel/WellLog/RimWellLogRftCurve.h

@@ -96,6 +96,14 @@ public:
 
     void setScaleFactor( double factor );
 
+    // Returns the depth values an RFT curve uses for its depth axis for the given well/time step.
+    // Fallback chain: RFT MD channel, then extractor-derived MD, then TVD channel as a final
+    // fallback (the RFT plot displays TVD on the depth axis when MD is missing).
+    static std::vector<double> rftCurveDepthValues( RifReaderRftInterface*      reader,
+                                                    const QString&              wellName,
+                                                    const QDateTime&            timeStep,
+                                                    RigEclipseWellLogExtractor* extractor );
+
 protected:
     QString     createCurveAutoName() override;
     QString     createCurveNameFromTemplate( const QString& templateText ) override;