Trelis 16.4 User Documentation
To view your model based on a color-coded curve valence scale, click on the curve valence button on the Display Toolbar. Curve valence refers to the number of surfaces attached to each curve. Curves with exactly two surfaces attached are shown in blue. Curves with exactly one surface are shown in red. Curves with more than two attached surfaces are shown in white.
This tool is useful for quickly visualizing merged/unmerged topology. Merged curves will usually have a valence > 2, while unmerged curves typically have a valence of 2. Curves with a valence of 1 may indicate a floating surface.