docs: protected void setUpEdges(GrayS32 input , GrayS32 output  ) {
  		if( connectRule == ConnectRule.EIGHT ) {
  			setUpEdges8(input,edgesIn);
  			setUpEdges8(output,edgesOut);
  
  			edges[0].set( 1, 0);
  			edges[1].set( 1, 1);
  			edges[2].set( 0, 1);
  			edges[3].set(-1, 0);
  		} else {
  			setUpEdges4(input,edgesIn);
  			setUpEdges4(output,edgesOut);
  
  			edges[0].set( 1,0);
  			edges[1].set( 0, 1);
  		}
  	}