code: public void eFeature1Init(int y, int yp) {
  	ftype = EDGE_FEATURE1;
  	idx = -1;
  	this.y = y;
  	this.yp = yp;
  	val = 1;
  	wgt = 0.0;	
  	strId = "e1_" + Integer.toString(y) + "_" + Integer.toString(yp);
      }
docs: E feature1 init.
  
  @param y the y
  @param yp the yp