Display connecting lines and indices for lists of curves.

Input parameters:

1. Cr → Curve list to display.
2. Ts → Styling of curve label display.
   • 0 → None
   • 1 → Index At Start
   • 2 → Index At Middle
   • 3 → Fraction At Start
   • 4 → Fraction At Middle
3. Ls → Styling of connecting arrow display.
   • 0 → None
   • 1 → AtStart
   • 2 → AtEnds
   • 3 → AtMiddle
   • 4 → AtSpans
   • 5 → Sparse
   • 6 → Light
   • 7 → Medium
   • 8 → Dense