code: public void process( int c_x , int c_y , TupleDesc_B feature ) {
  		if( BoofMiscOps.checkInside(image,c_x, c_y, definition.radius) ) {
  			processInside(c_x,c_y,feature);
  		} else {
  			processBorder(c_x,c_y,feature);
  		}
  	}
docs: Computes the descriptor at the specified point.  If the region go outside of the image then a description
  will not be made.
  
  @param c_x Center of region being described.
  @param c_y Center of region being described.
  @param feature Where the descriptor is written to.