title: training the area learning in project tango with other data sources
body: <p>Is it possible to train the area-learning module in a project tango device with other data than the one automatically input through the sensors?</p>
  
  <p>I am asking because I want to teach the area algorithm a preexisting 3D model, thereby making object recognition possible. 
  I am not asking for a highlevel ability to convert any 3D model to an ADF. If I have to generate several point clouds and color buffers myself based on the 3D model, that would also work.</p>
  
  <p>I am also not asking to know about any Google secrets of the internal format of ADFs. Only to have some way to put data in there.</p>