* gr_ofdm_insert_preamble
* gr_ofdm_mapper_bcv
* gr_ofdm_sampler
+* size params for the graphical sinks
+* callbacks for set average on fft, waterfall, number sinks
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# Features
* configuration option for adding block paths
* orientations for ports (top, right, bottom, left)
* source defaults to right, sink defaults to left
-* grid params take a notebook argument
- * add a wx notebook block
* separation of variables and gui controls
* speedup w/ background layer and animation layer
* multiple doxygen directories (doc_dir becomes doc_path)
* params dialog needs to dynamically update for all params
* will not update for non-enum params
* needs to account for added or removed params
+ * example with grid params need update after notebook change
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# Future