wolffd@0: function col = num2col(k);
wolffd@0: 
wolffd@0: switch k
wolffd@0:     case 1 
wolffd@0:         col = [0 0 1];
wolffd@0:     case 2 
wolffd@0:         col = [1 0 0];
wolffd@0:     case 3 
wolffd@0:         col = [0 1 0];
wolffd@0:     case 4
wolffd@0:         col = [0 0 0];
wolffd@0:     case 5 
wolffd@0:         col = [1 0 1];
wolffd@0:     case 6 
wolffd@0:         col = [1 1 0];
wolffd@0:     case 7 
wolffd@0:         col = [0 1 1];
wolffd@0:     case 8
wolffd@0:         col = [1 0 .5];
wolffd@0:     case 9
wolffd@0:         col = [.5 1 0];
wolffd@0:     case 10
wolffd@0:         col = [0 .5 1];
wolffd@0:     case 11
wolffd@0:         col = [1 .5 0];
wolffd@0:     case 12
wolffd@0:         col = [.5 0 1];
wolffd@0:     case 13
wolffd@0:         col = [0 1 .5];
wolffd@0:     otherwise
wolffd@0:         col = [rand rand rand];
wolffd@0: end