comparison layer/VerticalBinLayer.h @ 1083:7122aae95a88 spectrogram-minor-refactor

Start introducing render code

 #define VERTICAL_BIN_LAYER_H
 
 /**
  * Interface for layers in which the Y axis corresponds to bin number
  * rather than scale value. Colour3DPlotLayer is the obvious example.
+ *!!! should just be a mapper interface, not a layer one?
+ *!!! or even an application of RangeMapper
  */
 class VerticalBinLayer
 {
 public:
     /**