src/experiments/k4/K4GUI/src/encoder.cc
void initialize_trends(){

  current_axis[0] = 0;
  current_axis[1] = 1;
  current_axis[2] = 2;
  current_axis[3] = 3;
  
}
/* this function initializes current_axis such that viewers initially display
   axis 0,1,2,3 */
this function initializes current_axis such that viewers initially display
axis 0,1,2,3
this function initializes current_axis such that viewers initially display axis 0 1 2 3
void initialize_trends(){
  current_axis[0] = 0;
  current_axis[1] = 1;
  current_axis[2] = 2;
  current_axis[3] = 3;
}
void initialize_trends ( ) { current_axis [ 0 ] = 0 ; current_axis [ 1 ] = 1 ; current_axis [ 2 ] = 2 ; current_axis [ 3 ] = 3 ; }
this function initializes current_axis such that viewers initially display
axis 0,1,2,3
this function initializes current_axis such that viewers initially display axis 0 1 2 3