const DataType& data_type() const { return _type; }
+ /**
+ * Thats how the region parameters play together:
+ * <PRE>
+ * |------------------------------------------------------------------- track
+ * |..........[------------------].....| region
+ * |-----------------------------| _position
+ * |------------------| _length
+ * |----------| _start
+ * </PRE>
+ */
nframes_t position () const { return _position; }
nframes_t start () const { return _start; }
nframes_t length() const { return _length; }