comparison layer/Colour3DPlotRenderer.h @ 1364:7d28e7522dbd

Add show-derivative option but, like inverting the colour scale, I don't think it's as useful as I'd hoped

             binDisplay(BinDisplay::AllBins),
             binScale(BinScale::Linear),
             alwaysOpaque(false),
             interpolate(false),
             invertVertical(false),
+            showDerivative(false),
             scaleFactor(1.0),
             colourRotation(0) { }
 
         /** A complete ColourScale object by value, used for colour
          *  map conversion. Note that the final display gain setting is

          */
         bool interpolate;
 
         /** Whether to render the whole caboodle upside-down. */
         bool invertVertical;
+
+        /** Whether to show the frame-to-frame difference instead of
+         *  the actual value */
+        bool showDerivative;
 
         /** Initial scale factor (e.g. for FFT scaling). This factor
          *  is applied to all values read from the underlying model
          *  *before* magnitude ranges are calculated, in contrast to
          *  the display gain found in the ColourScale parameter. */

     QImage scaleDrawBufferImage(QImage source, int targetWidth, int targetHeight)
         const;
     
     ColumnOp::Column getColumn(int sx, int minbin, int nbins,
                                int peakCacheIndex) const; // -1 => don't use cache
+    ColumnOp::Column getColumnRaw(int sx, int minbin, int nbins,
+                                  int peakCacheIndex) const; // -1 => don't use cache
 
     void getPreferredPeakCache(const LayerGeometryProvider *,
                                int &peakCacheIndex, int &binsPerPeak) const;
 
     void updateTimings(const RenderTimer &timer, int xPixelCount);