Many coloring methods are provided. They can be classified into three groups. The first group is coloring by variables. This group provides as many choices as the number of variables of a problem plus 1 for the time. The second group is coloring by parameters. These parameters are defined by the AUTO user. in the AUTO constants file. There are as many choices as the number of parameters defined in the AUTO constants file. The third group includes ``TYPE'', type of solution, ``PONT'', point number, ``BRAN'', the branch to which the solution belongs, and ``LABL'', label of the solution. Different coloring methods cannot be used at the same time. Figure 8.10 shows the difference between coloring by type and coloring by label. From Figure 8.10(a), we can see that there is only one branching orbit in this family, which is shown in cyan. In Figure 8.10(b), the start solution is colored in blue, and the last solution is colored in red. When using time to color the diagram, 0 is set to blue, while 1 is set to red.
We can set the default value in the PLAUT04 resource file.